Label: SUMATRIPTAN SUCCINATE- sumatriptan succinate injection, solution

  • NDC Code(s): 0781-3169-07, 0781-3170-07, 0781-3172-07, 0781-3173-07, view more
    0781-3174-14, 0781-3174-71
  • Packager: Sandoz Inc
  • Category: HUMAN PRESCRIPTION DRUG LABEL
  • DEA Schedule: None
  • Marketing Status: New Drug Application

Drug Label Information

Updated 01/13

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  • HIGHLIGHTS OF PRESCRIBING INFORMATION
    These highlights do not include all the information needed to use Sumatriptan Succinate safely and effectively. See full prescribing information for Sumatriptan Succinate.
    Sumatriptan Succinate Injection
    For Subcutaneous Use
    Initial U.S. Approval: 1992

    INDICATIONS AND USAGE

    Sumatriptan Succinate is a serotonin (5-HT1B/1D) receptor agonist (triptan) indicated for: (1)

    Acute treatment of migraine with or without aura in adults (1)
    Acute treatment of cluster headache in adults (1)

    Limitations of Use: (1)

    Use only if a clear diagnosis of migraine or cluster headache has been established. (1)
    Not indicated for the prevention of migraine attacks. (1)

    DOSAGE AND ADMINISTRATION

    For subcutaneous use only. (2.1)
    Acute treatment of migraine: 1- to 6-mg Single dose. (2.1)
    Acute treatment of cluster headache: 6-mg Single dose. (2.1)
    Maximum dose in a 24-hour period: 12 mg, Separate doses by at least 1 hour. (2.1)
    Patients receiving doses other than 4 or 6 mg: Use the 6-mg single-dose vial. (2.3)

    DOSAGE FORMS AND STRENGTHS

    Injection: 4- and 6-mg single-dose prefilled syringe cartridges for use with autoinjector pen (3)
    Injection: 6-mg single-dose vial (3)

    CONTRAINDICATIONS

    Coronary artery disease or coronary vasospasm (4)
    Wolff-Parkinson-White syndrome or other cardiac accessory conduction pathway disorders (4)
    History of stroke, transient ischemic attack, or hemiplegic or basilar migraine (4)
    Peripheral vascular disease (4)
    Ischemic bowel disease (4)
    Uncontrolled hypertension (4)
    Recent (within 24 hours) use of another 5-HT 1 agonist (e.g., another triptan) or of an ergotamine-containing medication (4)
    Concurrent or recent (past 2 weeks) use of monoamine oxidase-A inhibitor (4)
    Known hypersensitivity to sumatriptan (4)
    Severe hepatic impairment (4)

    WARNINGS AND PRECAUTIONS

    Myocardial ischemia/infarction and Prinzmetal’s angina: Perform cardiac evaluation in patients with multiple cardiovascular risk factors. (5.1)
    Arrhythmias: Discontinue Sumatriptan Succinate if occurs. (5.2)
    Chest/throat/neck/jaw pain, tightness, pressure, or heaviness: Generally not associated with myocardial ischemia; evaluate for coronary artery disease in patients at high risk. (5.3)
    Cerebral hemorrhage, subarachnoid hemorrhage, and stroke: Discontinue Sumatriptan Succinate if occurs. (5.4)
    Gastrointestinal ischemia and infarction events, peripheral vasospastic reactions: Discontinue Sumatriptan Succinate if occurs. (5.5)
    Medication overuse headache: Detoxification may be necessary. (5.6)
    Serotonin syndrome: Discontinue Sumatriptan Succinate if occurs. (5.7)
    Increase in blood pressure: Monitor blood pressure. (5.8)
    Anaphylactic/anaphylactoid reactions: Discontinue Sumatriptan Succinate if occurs. (5.9)
    Seizures: Use with caution in patients with epilepsy or a lowered seizure threshold. (5.10)

    ADVERSE REACTIONS

    Most common adverse reactions (≥5% and > placebo) were injection site reactions, tingling, dizziness/vertigo, warm/hot sensation, burning sensation, feeling of heaviness, pressure sensation, flushing, feeling of tightness, and numbness. (6.1)

    To report SUSPECTED ADVERSE REACTIONS, contact Sandoz Inc. at 1-800-525-8747 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch

    USE IN SPECIFIC POPULATIONS

    Pregnancy: Based on animal data, may cause fetal harm (8.1)
    Geriatric use: A cardiovascular evaluation is recommended in those who have other cardiovascular risk factors prior to receiving Sumatriptan Succinate. (8.5)

    See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.

    Revised: 1/2013

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  • FULL PRESCRIBING INFORMATION: CONTENTS*

    1 INDICATIONS AND USAGE

    2 DOSAGE AND ADMINISTRATION

    2.1 Dosing Information

    2.2 Administration Using the Autoinjector Pen

    2.3 Administration of Doses of Sumatriptan Succinate Other Than 4 or 6 mg

    3 DOSAGE FORMS AND STRENGTHS

    4 CONTRAINDICATIONS

    5 WARNINGS AND PRECAUTIONS

    5.1 Myocardial Ischemia, Myocardial Infarction, and Prinzmetal’s Angina

    5.2 Arrhythmias

    5.3 Chest, Throat, Neck, and/or Jaw Pain/Tightness/Pressure

    5.4 Cerebrovascular Events

    5.5 Other Vasospasm Reactions

    5.6 Medication Overuse Headache

    5.7 Serotonin Syndrome

    5.8 Increase in Blood Pressure

    5.9 Anaphylactic/Anaphylactoid Reactions

    5.10 Seizures

    6 ADVERSE REACTIONS

    6.1 Clinical Trials Experience

    6.2 Postmarketing Experience

    7 DRUG INTERACTIONS

    7.1 Ergot-Containing Drugs

    7.2 Monoamine Oxidase-A Inhibitors

    7.3 Other 5-HT1 Agonists

    7.4 Selective Serotonin Reuptake Inhibitors/Serotonin Norepinephrine Reuptake Inhibitors and Serotonin Syndrome

    8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    8.3 Nursing Mothers

    8.4 Pediatric Use

    8.5 Geriatric Use

    10 OVERDOSAGE

    11 DESCRIPTION

    12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    12.2 Pharmacodynamics

    12.3 Pharmacokinetics

    13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

    13.2 Animal Toxicology and/or Pharmacology

    14 CLINICAL STUDIES

    14.1 Migraine

    14.2 Cluster Headache

    16 HOW SUPPLIED/STORAGE AND HANDLING

    17 PATIENT COUNSELING INFORMATION

    17.1 Risk of Myocardial Ischemia and/or Infarction, Prinzmetal’s Angina, Other Vasospasm-Related Events, Arrhythmias, and Cerebrovascular Events

    17.2 Anaphylactic/Anaphylactoid Reactions

    17.3 Medication Overuse Headache

    17.4 Pregnancy

    17.5 Nursing Mothers

    17.6 Ability To Perform Complex Tasks

    17.7 Serotonin Syndrome

    17.8 How to Use Sumatriptan Succinate Injection

    Patient Information

    Patient Instructions for Use

    *
    Sections or subsections omitted from the full prescribing information are not listed.
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  • 1 INDICATIONS AND USAGE

    Sumatriptan Succinate Injection is indicated in adults for (1) the acute treatment of migraine, with or without aura, and (2) the acute treatment of cluster headache.

    Limitations of Use:

    Use only if a clear diagnosis of migraine or cluster headache has been established.
    If a patient has no response to the first migraine attack treated with Sumatriptan Succinate, reconsider the diagnosis of migraine before Sumatriptan Succinate is administered to treat any subsequent attacks.
    Sumatriptan Succinate is not indicated for the prevention of migraine attacks.
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  • 2 DOSAGE AND ADMINISTRATION

    2.1 Dosing Information

    The maximum single recommended adult dose of Sumatriptan Succinate Injection for the acute treatment of migraine or cluster headache is 6 mg injected subcutaneously. For the treatment of migraine, if side effects are dose limiting, lower doses (1 to 5 mg) may be used [see Clinical Studies (14.1)]. For the treatment of cluster headache, the efficacy of lower doses has not been established.

    The maximum cumulative dose that may be given in 24 hours is 12 mg, two 6-mg injections separated by at least 1 hour. A second 6-mg dose should only be considered if some response to a first injection was observed.

    2.2 Administration Using the Autoinjector Pen

    An autoinjector device is available for use with 4- and 6-mg prefilled syringe cartridges. With this device, the needle penetrates approximately 1/4 inch (5 to 6 mm). The injection is intended to be given subcutaneously, and intramuscular or intravascular delivery must be avoided. Instruct patients on the proper use of the autoinjector pen and direct them to use injection sites with an adequate skin and subcutaneous thickness to accommodate the length of the needle.

    2.3 Administration of Doses of Sumatriptan Succinate Other Than 4 or 6 mg

    In patients receiving doses other than 4 or 6 mg, use the 6-mg single-dose vial; do not use the autoinjector pen. Visually inspect the vial for particulate matter and discoloration before administration. Do not use if particulates and discolorations are noted.

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  • 3 DOSAGE FORMS AND STRENGTHS

    Injection: 4- and 6-mg single-dose prefilled syringe cartridges for use with the autoinjector pen
    Injection: 6-mg single-dose vial
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  • 4 CONTRAINDICATIONS

    Sumatriptan Succinate Injection is contraindicated in patients with:

    Ischemic coronary artery disease (CAD) (angina pectoris, history of myocardial infarction, or documented silent ischemia) or coronary artery vasospasm, including Prinzmetal’s angina [see Warnings and Precautions (5.1)].
    Wolff-Parkinson-White syndrome or arrhythmias associated with other cardiac accessory conduction pathway disorders [see Warnings and Precautions (5.2)].
    History of stroke or transient ischemic attack (TIA) because these patients are at a higher risk of stroke [see Warnings and Precautions (5.4)].
    History of hemiplegic or basilar migraine.
    Peripheral vascular disease [see Warnings and Precautions (5.5)].
    Ischemic bowel disease [see Warnings and Precautions (5.5)].
    Uncontrolled hypertension [see Warnings and Precautions (5.8)].
    Recent (i.e., within 24 hours) use of ergotamine-containing medication, ergot-type medication (such as dihydroergotamine or methysergide), or another 5-hydroxytryptamine 1 (5-HT 1) agonist [see Drug Interactions (7.1, 7.3)].
    Concurrent administration of an MAO-A inhibitor or recent (within 2 weeks) use of an MAO-A inhibitor [see Drug Interactions (7.2) and Clinical Pharmacology (12.3)].
    Known hypersensitivity to sumatriptan [see Warnings and Precautions (5.9) and Adverse Reactions (6.2)].
    Severe hepatic impairment [see Clinical Pharmacology (12.3)].
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  • 5 WARNINGS AND PRECAUTIONS

    5.1 Myocardial Ischemia, Myocardial Infarction, and Prinzmetal’s Angina

    The use of Sumatriptan Succinate Injection is contraindicated in patients with ischemic or vasospastic CAD. There have been rare reports of serious cardiac adverse reactions, including acute myocardial infarction, occurring within a few hours following administration of sumatriptan succinate injection. Some of these reactions occurred in patients without known CAD. 5-HT1 agonists, including sumatriptan succinate injection, may cause coronary artery vasospasm (Prinzmetal’s angina), even in patients without a history of CAD.

    Perform a cardiovascular evaluation in triptan-naive patients who have multiple cardiovascular risk factors (e.g., increased age, diabetes, hypertension, smoking, obesity, strong family history of CAD) prior to receiving Sumatriptan Succinate Injection. If there is evidence of CAD or coronary artery vasospasm, Sumatriptan Succinate Injection is contraindicated. For patients with multiple cardiovascular risk factors who have a negative cardiovascular evaluation, consider administering the first dose of Sumatriptan Succinate Injection in a medically supervised setting and performing an electrocardiogram (ECG) immediately following Sumatriptan Succinate Injection. For such patients, consider periodic cardiovascular evaluation in intermittent long-term users of Sumatriptan Succinate Injection.

    Evaluate patients with signs or symptoms suggestive of angina following Sumatriptan Succinate Injection for the presence of CAD or Prinzmetal’s angina before receiving additional doses of Sumatriptan Succinate Injection.

    5.2 Arrhythmias

    Life-threatening disturbances of cardiac rhythm, including ventricular tachycardia and ventricular fibrillation leading to death, have been reported within a few hours following the administration of 5-HT1 agonists. Discontinue Sumatriptan Succinate Injection if these disturbances occur. Sumatriptan Succinate Injection is contraindicated in patients with Wolff-Parkinson-White syndrome or arrhythmias associated with other cardiac accessory conduction pathway disorders.

    5.3 Chest, Throat, Neck, and/or Jaw Pain/Tightness/Pressure

    As with other 5-HT1 agonists, sensations of tightness, pain, pressure, and heaviness in the precordium, throat, neck, and jaw commonly occur after treatment with sumatriptan succinate injection and are usually non-cardiac in origin. However, perform a cardiac evaluation if these patients are at high cardiac risk. The use of Sumatriptan Succinate Injection is contraindicated in patients shown to have CAD and those with Prinzmetal’s variant angina.

    5.4 Cerebrovascular Events

    Cerebral hemorrhage, subarachnoid hemorrhage, and stroke have occurred in patients treated with 5-HT1 agonists, and some have resulted in fatalities. In a number of cases, it appears possible that the cerebrovascular events were primary, the 5-HT1 agonist having been administered in the incorrect belief that the symptoms experienced were a consequence of migraine when they were not. Also, patients with migraine may be at increased risk of certain cerebrovascular events (e.g., stroke, hemorrhage, TIA). Discontinue Sumatriptan Succinate Injection if a cerebrovascular event occurs.

    As with other acute migraine therapies, before treating headaches in patients not previously diagnosed as migraineurs, and in migraineurs who present with atypical symptoms, exclude other potentially serious neurological conditions. Sumatriptan Succinate Injection is contraindicated in patients with a history of stroke or TIA.

    5.5 Other Vasospasm Reactions

    5-HT1 agonists, including Sumatriptan Succinate Injection, may cause non-coronary vasospastic reactions, such as peripheral vascular ischemia, gastrointestinal vascular ischemia and infarction (presenting with abdominal pain and bloody diarrhea), splenic infarction, and Raynaud’s syndrome. Until further evaluation, Sumatriptan Succinate Injection is contraindicated in patients who experience symptoms or signs suggestive of non-coronary vasospasm reaction following the use of any 5-HT1 agonist.

    Reports of transient and permanent blindness and significant partial vision loss have been reported with the use of 5-HT1 agonists. Since visual disorders may be part of a migraine attack, a causal relationship between these events and the use of 5-HT1 agonists have not been clearly established.

    5.6 Medication Overuse Headache

    Overuse of acute migraine drugs (e.g., ergotamine, triptans, opioids, combination of drugs for 10 or more days per month) may lead to exacerbation of headache (medication overuse headache). Medication overuse headache may present as migraine-like daily headaches, or as a marked increase in frequency of migraine attacks. Detoxification of patients, including withdrawal of the overused drugs, and treatment of withdrawal symptoms (which often includes a transient worsening of headache) may be necessary.

    5.7 Serotonin Syndrome

    Serotonin syndrome may occur with triptans, including Sumatriptan Succinate Injection, particularly during coadministration with selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), and MAO inhibitors [see Drug Interactions (7.4)]. Serotonin syndrome symptoms may include mental status changes (e.g., agitation, hallucinations, coma), autonomic instability (e.g., tachycardia, labile blood pressure, hyperthermia), neuromuscular aberrations (e.g., hyperreflexia, incoordination), and/or gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea). The onset of symptoms usually occurs within minutes to hours of receiving a new or a greater dose of a serotonergic medication. Discontinue Sumatriptan Succinate Injection if serotonin syndrome is suspected.

    5.8 Increase in Blood Pressure

    Significant elevation in blood pressure, including hypertensive crisis with acute impairment of organ systems, has been reported on rare occasions in patients treated with 5-HT1 agonists, including patients without a history of hypertension. Monitor blood pressure in patients treated with Sumatriptan Succinate Injection. Sumatriptan Succinate Injection is contraindicated in patients with uncontrolled hypertension.

    5.9 Anaphylactic/Anaphylactoid Reactions

    Anaphylactic/anaphylactoid reactions have occurred in patients receiving sumatriptan. Such reactions can be life threatening or fatal. In general, anaphylactic reactions to drugs are more likely to occur in individuals with a history of sensitivity to multiple allergens. Sumatriptan Succinate Injection is contraindicated in patients with prior serious anaphylactic reaction.

    5.10 Seizures

    Seizures have been reported following administration of sumatriptan. Some have occurred in patients with either a history of seizures or concurrent conditions predisposing to seizures. There are also reports in patients where no such predisposing factors are apparent. Sumatriptan Succinate Injection should be used with caution in patients with a history of epilepsy or conditions associated with a lowered seizure threshold.

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  • 6 ADVERSE REACTIONS

    The following adverse reactions are discussed in more detail in other sections of the labeling:

    Myocardial ischemia, myocardial infarction, and Prinzmetal’s angina [see Warnings and Precautions (5.1)]
    Arrhythmias [see Warnings and Precautions (5.2)]
    Chest, throat, neck, and/or jaw pain/tightness/pressure [see Warnings and Precautions (5.3)]
    Cerebrovascular events [see Warnings and Precautions (5.4)]
    Other vasospasm reactions [see Warnings and Precautions (5.5)]
    Medication overuse headache [see Warnings and Precautions (5.6)]
    Serotonin syndrome [see Warnings and Precautions (5.7)]
    Increase in blood pressure [see Warnings and Precautions (5.8)]
    Anaphylactic/anaphylactoid reactions [see Warnings and Precautions (5.9)]
    Seizures [see Warnings and Precautions (5.10)]

    6.1 Clinical Trials Experience

    Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared with rates in the clinical trials of another drug and may not reflect the rates observed in practice.

    Migraine Headache: Table 1 lists adverse reactions that occurred in 2 US placebo-controlled clinical trials in migraine subjects [Studies 2 and 3, see Clinical Studies (14.1)] following either a single 6-mg dose of sumatriptan succinate injection or placebo. Only reactions that occurred at a frequency of 2% or more in groups treated with sumatriptan succinate injection 6 mg and that occurred at a frequency greater than the placebo group are included in Table 1.

    Table 1. Adverse Reactions Reported by at Least 2% of Subjects and at a Greater Frequency Than Placebo in 2 Placebo-Controlled Migraine Clinical Trials (Studies 2 and 3)a

    Adverse Reaction

    Percent of Subjects Reporting

    Sumatriptan Succinate Injection

    6 mg Subcutaneous

    (n = 547)

    Placebo

    (n = 370)

    Atypical sensations

    42

    9

     
    Tingling

    14

    3

     
    Warm/hot sensation

    11

    4

     
    Burning sensation

    7

    <1

     
    Feeling of heaviness

    7

    1

     
    Pressure sensation

    7

    2

     
    Feeling of tightness

    5

    <1

     
    Numbness

    5

    2

     
    Feeling strange

    2

    <1

     
    Tight feeling in head

    2

    <1

    Cardiovascular

     
    Flushing

    7

    2

     
    Chest discomfort

    5

    1

     
    Tightness in chest

    3

    <1

     
    Pressure in chest

    2

    <1

    Ear, nose, and throat

     
    Throat discomfort

    3

    <1

     
    Discomfort: nasal cavity/sinuses

    2

    <1

    Injection site reactionb

    59

    24

    Miscellaneous

     
    Jaw discomfort

    2

    0

    Musculoskeletal

     
    Weakness

    5

    <1

     
    Neck pain/stiffness

    5

    <1

     
    Myalgia

    2

    <1

    Neurological

     
    Dizziness/vertigo

    12

    4

     
    Drowsiness/sedation

    3

    2

     
    Headache

    2

    <1

    Skin

     
    Sweating

    2

    1

    a The sum of the percentages cited is greater than 100% because subjects may have experienced more than 1 type of adverse reaction. Only reactions that occurred at a frequency of 2% or more in groups treated with sumatriptan succinate injection and occurred at a frequency greater than the placebo groups are included.

    bIncludes injection site pain, stinging/burning, swelling, erythema, bruising, bleeding.

    The incidence of adverse reactions in controlled clinical trials was not affected by gender or age of the subjects. There were insufficient data to assess the impact of race on the incidence of adverse reactions.

    Cluster Headache: In the controlled clinical trials assessing the efficacy of sumatriptan succinate injection as a treatment for cluster headache [Studies 4 and 5, see Clinical Studies (14.2)], no new significant adverse reactions were detected that had not already been identified in trials of sumatriptan succinate in subjects with migraine.

    Overall, the frequency of adverse reactions reported in the trials of cluster headache was generally lower than in the migraine trials. Exceptions include reports of paresthesia (5% sumatriptan succinate, 0% placebo), nausea and vomiting (4% sumatriptan succinate, 0% placebo), and bronchospasm (1% sumatriptan succinate, 0% placebo).

    Other Adverse Reactions: In the paragraphs that follow, the frequencies of less commonly reported adverse reactions are presented. Reaction frequencies were calculated as the number of subjects reporting a reaction divided by the total number of subjects (N = 6,218) exposed to subcutaneous sumatriptan succinate injection. All reported reactions are included except those already listed in the previous table. Reactions are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent are defined as those occurring in at least 1/100 subjects, infrequent are those occurring in 1/100 to 1/1,000 subjects, and rare are those occurring in fewer than 1/1,000 subjects.

    Cardiovascular: Infrequent were hypertension, hypotension, bradycardia, tachycardia, palpitations, and syncope. Rare was arrhythmia.

    Gastrointestinal: Frequent was abdominal discomfort.

    Musculoskeletal: Frequent were muscle cramps.

    Neurological: Frequent was anxiety. Infrequent were mental confusion, euphoria, agitation, tremor. Rare were myoclonia, sleep disturbance, and dystonia.

    Respiratory: Infrequent was dyspnea.

    Skin: Infrequent were erythema, pruritus, and skin rashes.

    Miscellaneous: Infrequent was “serotonin agonist effect”.

    Adverse Events Observed With Other Formulations of Sumatriptan: The following adverse events occurred in clinical trials with sumatriptan tablets and nasal spray. Because the reports include events observed in open and uncontrolled trials, the role of sumatriptan in their causation cannot be reliably determined. All reported events are included except those already listed, those too general to be informative, and those not reasonably associated with the use of the drug.

    Cardiovascular: Angina, cerebrovascular lesion, heart block, peripheral cyanosis, phlebitis, thrombosis.

    Gastrointestinal: Abdominal distention and colitis.

    Neurological: Convulsions, hallucinations, syncope, suicide, and twitching.

    Miscellaneous: Edema, hypersensitivity, swelling of extremities, and swelling of face.

    6.2 Postmarketing Experience

    The following adverse reactions have been identified during postapproval use of sumatriptan tablets, nasal spray, and injection. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. These reactions have been chosen for inclusion due to either their seriousness, frequency of reporting, or causal connection to sumatriptan or a combination of these factors.

    Blood: Hemolytic anemia, pancytopenia, thrombocytopenia.

    Ear, Nose, and Throat: Deafness.

    Eye: Ischemic optic neuropathy, retinal artery occlusion, retinal vein thrombosis.

    Neurological: Central nervous system vasculitis, cerebrovascular accident, serotonin syndrome, subarachnoid hemorrhage.

    Non-Site Specific: Angioedema, cyanosis, temporal arteritis.

    Skin: Exacerbation of sunburn, hypersensitivity reactions (allergic vasculitis, erythema, pruritus, rash, shortness of breath, urticaria), photosensitivity. Following subcutaneous administration of sumatriptan, pain, redness, stinging, induration, swelling, contusion, subcutaneous bleeding, and, on rare occasions, lipoatrophy (depression in the skin) or lipohypertrophy (enlargement or thickening of tissue) have been reported.

    Urogenital: Acute renal failure.

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  • 7 DRUG INTERACTIONS

    7.1 Ergot-Containing Drugs

    Ergot-containing drugs have been reported to cause prolonged vasospastic reactions. Because these effects may be additive, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and Sumatriptan Succinate Injection within 24 hours of each other is contraindicated.

    7.2 Monoamine Oxidase-A Inhibitors

    MAO-A inhibitors increase systemic exposure by 2-fold. Therefore, the use of Sumatriptan Succinate Injection in patients receiving MAO-A inhibitors is contraindicated [see Clinical Pharmacology (12.3)].

    7.3 Other 5-HT1 Agonists

    Because their vasospastic effects may be additive, coadministration of Sumatriptan Succinate Injection and other 5-HT1 agonists (e.g., triptans) within 24 hours of each other is contraindicated.

    7.4 Selective Serotonin Reuptake Inhibitors/Serotonin Norepinephrine Reuptake Inhibitors and Serotonin Syndrome

    Cases of serotonin syndrome have been reported during coadministration of triptans and SSRIs, or SNRIs, TCAs, and MAO inhibitors [see Warnings and Precautions (5.7)].

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  • 8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    Pregnancy Category C: There are no adequate and well-controlled trials of Sumatriptan Succinate Injection in pregnant women. Sumatriptan Succinate Injection should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

    When sumatriptan was administered intravenously to pregnant rabbits daily throughout the period of organogenesis, embryolethality was observed at doses at or close to those producing maternal toxicity. These doses were less than the maximum recommended human dose (MRHD) of 12 mg/day on a mg/m2 basis. Oral administration of sumatriptan to rabbits during organogenesis was associated with increased incidences of fetal vascular and skeletal abnormalities. The highest no-effect dose for these effects was 15 mg/kg/day. The intravenous administration of sumatriptan to pregnant rats throughout organogenesis at doses that are approximately 10 times the MRHD on a mg/m2 basis, did not produce evidence of embryolethality. The subcutaneous administration of sumatriptan to pregnant rats prior to and throughout pregnancy did not produce evidence of embryolethality or teratogenicity.

    8.3 Nursing Mothers

    It is not known whether sumatriptan is excreted in human breast milk following subcutaneous administration. Because many drugs are excreted in human milk, and because of the potential for serious adverse reactions in nursing infants from sumatriptan, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

    8.4 Pediatric Use

    Safety and effectiveness of Sumatriptan Succinate Injection in pediatric patients under 18 years of age have not been established; therefore, Sumatriptan Succinate Injection is not recommended for use in patients under 18 years of age.

    Two controlled clinical trials evaluated sumatriptan nasal spray (5 to 20 mg) in 1,248 adolescent migraineurs aged 12 to 17 years who treated a single attack. The trials did not establish the efficacy of sumatriptan nasal spray compared with placebo in the treatment of migraine in adolescents. Adverse reactions observed in these clinical trials were similar in nature to those reported in clinical trials in adults.

    Five controlled clinical trials (2 single-attack trials, 3 multiple-attack trials) evaluating oral sumatriptan (25 to 100 mg) in pediatric subjects aged 12 to 17 years enrolled a total of 701 adolescent migraineurs. These trials did not establish the efficacy of oral sumatriptan compared with placebo in the treatment of migraine in adolescents. Adverse reactions observed in these clinical trials were similar in nature to those reported in clinical trials in adults. The frequency of all adverse reactions in these subjects appeared to be both dose- and age-dependent, with younger subjects reporting reactions more commonly than older adolescents.

    Postmarketing experience documents that serious adverse reactions have occurred in the pediatric population after use of subcutaneous, oral, and/or intranasal sumatriptan. These reports include reactions similar in nature to those reported rarely in adults, including stroke, visual loss, and death. A myocardial infarction has been reported in a 14-year-old male following the use of oral sumatriptan; clinical signs occurred within 1 day of drug administration. Since clinical data to determine the frequency of serious adverse reactions in pediatric patients who might receive subcutaneous, oral, or intranasal sumatriptan are not presently available, the use of Sumatriptan Succinate Injection in patients under 18 years of age is not recommended.

    8.5 Geriatric Use

    Clinical trials of sumatriptan succinate injection did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger subjects. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function and of concomitant disease or other drug therapy.

    A cardiovascular evaluation is recommended for geriatric patients who have other cardiovascular risk factors (e.g., diabetes, hypertension, smoking, obesity, strong family history of CAD) prior to receiving Sumatriptan Succinate Injection [see Warnings and Precautions (5.1)].

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  • 10 OVERDOSAGE

    No gross overdoses in clinical practice have been reported. Coronary vasospasm was observed after intravenous administration of sumatriptan succinate injection [see Contraindications (4)]. Overdoses would be expected from animal data (dogs at 0.1 g/kg, rats at 2 g/kg) to possibly cause convulsions, tremor, inactivity, erythema of the extremities, reduced respiratory rate, cyanosis, ataxia, mydriasis, injection site reactions (desquamation, hair loss, and scab formation), and paralysis.

    The elimination half-life of sumatriptan is about 2 hours [see Clinical Pharmacology (12.3)], and therefore monitoring of patients after overdose with Sumatriptan Succinate Injection should continue for at least 10 hours or while symptoms or signs persist.

    It is unknown what effect hemodialysis or peritoneal dialysis has on the serum concentrations of sumatriptan.

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  • 11 DESCRIPTION

    Sumatriptan Succinate Injection contains sumatriptan succinate, a selective 5-HT1B/1D receptor agonist. Sumatriptan succinate is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-indole-5-methanesulfonamide succinate (1:1), and it has the following structure:

    chemical structure

    The empirical formula is C14H21N3O2S•C4H6O4, representing a molecular weight of 413.5. Sumatriptan succinate is a white to off-white powder that is readily soluble in water and in saline.

    Sumatriptan Succinate Injection is a clear, colorless to pale yellow, sterile, nonpyrogenic solution for subcutaneous injection. Each 0.5 mL of Sumatriptan Succinate Injection 8 mg/mL solution contains 4 mg of sumatriptan (base) as the succinate salt and 3.8 mg of sodium chloride, USP in Water for Injection, USP. Each 0.5 mL of Sumatriptan Succinate Injection 12 mg/mL solution contains 6 mg of sumatriptan (base) as the succinate salt and 3.5 mg of sodium chloride, USP in Water for Injection, USP. The pH range of both solutions is approximately 4.2 to 5.3. The osmolality of both injections is 291 mOsmol.

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  • 12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    Sumatriptan binds with high affinity to human cloned 5-HT1B/1D receptors. Sumatriptan presumably exerts its therapeutic effects in the treatment of migraine headache by binding to 5-HT1B/1D receptors located on intracranial blood vessels and sensory nerves of the trigeminal system.

    Current theories proposed to explain the etiology of migraine headache suggest that symptoms are due to local cranial vasodilatation and/or to the release of sensory neuropeptides (including substance P and calcitonin gene-related peptide) through nerve endings in the trigeminal system. The therapeutic activity of sumatriptan for the treatment of migraine and cluster headaches is thought to be due to the agonist effects at the 5-HT1B/1D receptors on intracranial blood vessels (including the arterio-venous anastomoses) and sensory nerves of the trigeminal system, which result in cranial vessel constriction and inhibition of pro-inflammatory neuropeptide release.

    12.2 Pharmacodynamics

    Blood Pressure: Significant elevation in blood pressure, including hypertensive crisis, has been reported in patients with and without a history of hypertension [see Warnings and Precautions (5.8)].

    Peripheral (Small) Arteries: In healthy volunteers (N = 18), a trial evaluating the effects of sumatriptan on peripheral (small vessel) arterial reactivity failed to detect a clinically significant increase in peripheral resistance.

    Heart Rate: Transient increases in blood pressure observed in some subjects in clinical trials carried out during sumatriptan’s development as a treatment for migraine were not accompanied by any clinically significant changes in heart rate.

    12.3 Pharmacokinetics

    Absorption and Bioavailability: The bioavailability of sumatriptan via subcutaneous site injection to 18 healthy male subjects was 97% ± 16% of that obtained following intravenous injection.

    After a single 6-mg subcutaneous manual injection into the deltoid area of the arm in 18 healthy males (age: 24 ± 6 years, weight: 70 kg), the maximum serum concentration (Cmax) of sumatriptan was (mean ± standard deviation) 74 ± 15 ng/mL and the time to peak concentration (Tmax) was 12 minutes after injection (range: 5 to 20 minutes). In this trial, the same dose injected subcutaneously in the thigh gave a Cmax of 61 ± 15 ng/mL by manual injection versus 52 ± 15 ng/mL by autoinjector techniques. The Tmax or amount absorbed was not significantly altered by either the site or technique of injection.

    Distribution: Protein binding, determined by equilibrium dialysis over the concentration range of 10 to 1,000 ng/mL, is low, approximately 14% to 21%. The effect of sumatriptan on the protein binding of other drugs has not been evaluated.

    Following a 6-mg subcutaneous injection into the deltoid area of the arm in 9 males (mean age: 33 years, mean weight: 77 kg) the volume of distribution central compartment of sumatriptan was 50 ± 8 liters and the distribution half‑life was 15 ± 2 minutes.

    Metabolism: In vitro studies with human microsomes suggest that sumatriptan is metabolized by MAO, predominantly the A isoenzyme. Most of a radiolabeled dose of sumatriptan excreted in the urine is the major metabolite indole acetic acid (IAA) or the IAA glucuronide, both of which are inactive.

    Elimination: After a single 6-mg subcutaneous dose, 22% ± 4% was excreted in the urine as unchanged sumatriptan and 38% ± 7% as the IAA metabolite.

    Following a 6-mg subcutaneous injection into the deltoid area of the arm, the systemic clearance of sumatriptan was 1,194 ± 149 mL/min and the terminal half-life was 115 ± 19 minutes.

    Special Populations: Age: The pharmacokinetics of sumatriptan in the elderly (mean age: 72 years, 2 males and 4 females) and in subjects with migraine (mean age: 38 years, 25 males and 155 females) were similar to that in healthy male subjects (mean age: 30 years).

    Renal Impairment: The effect of renal impairment on the pharmacokinetics of sumatriptan has not been examined.

    Hepatic Impairment: The effect of mild to moderate hepatic disease on the pharmacokinetics of subcutaneously administered sumatriptan has been evaluated. There were no significant differences in the pharmacokinetics of subcutaneously administered sumatriptan in moderately hepatically impaired subjects compared with healthy controls. The pharmacokinetics of subcutaneously administered sumatriptan in patients with severe hepatic impairment has not been studied. The use of Sumatriptan Succinate Injection in this population is contraindicated [see Contraindications (4)].

    Race: The systemic clearance and Cmax of sumatriptan were similar in black (n = 34) and Caucasian (n = 38) healthy male subjects.

    Drug Interaction Studies: Monoamine Oxidase-A Inhibitors: In a trial of 14 healthy females, pretreatment with an MAO-A inhibitor decreased the clearance of sumatriptan, resulting in a 2-fold increase in the area under the sumatriptan plasma concentration-time curve (AUC), corresponding to a 40% increase in elimination half-life.

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  • 13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

    Carcinogenesis: In carcinogenicity studies, rats and mice were given sumatriptan by oral gavage. Mice were dosed for 78 weeks and rats were dosed for 104 weeks. Average exposures achieved in mice receiving the highest dose were approximately 110 times the exposure attained in humans after the maximum recommended single dose of 6 mg. The highest dose to rats was approximately 260 times the maximum single dose of 6 mg on a mg/m2 basis. There was no evidence of an increase in tumors in either species related to sumatriptan administration.

    Mutagenesis: Sumatriptan was not mutagenic in the presence or absence of metabolic activation when tested in 2 gene mutation assays (the Ames test and the in vitro mammalian Chinese hamster V79/HGPRT assay). It was not clastogenic in 2 cytogenetics assays (the in vitro human lymphocyte assay and the in vivo rat micronucleus assay).

    Impairment of Fertility: A fertility study (Segment I) by the subcutaneous route, during which male and female rats were dosed daily with sumatriptan prior to and throughout the mating period, has shown no evidence of impaired fertility at doses equivalent to approximately 100 times the maximum recommended single human dose of 6 mg on a mg/m2 basis. However, following oral administration, a treatment-related decrease in fertility, secondary to a decrease in mating, was seen for rats treated with 50 and 500 mg/kg/day. The no-effect dose for this finding was approximately 8 times the maximum recommended single human dose of 6 mg on a mg/m2 basis. It is not clear whether the problem is associated with the treatment of males or females or both.

    13.2 Animal Toxicology and/or Pharmacology

    Corneal Opacities: Dogs receiving oral sumatriptan developed corneal opacities and defects in the corneal epithelium. Corneal opacities were seen at the lowest dosage tested, 2 mg/kg/day, and were present after 1 month of treatment. Defects in the corneal epithelium were noted in a 60-week study. Earlier examinations for these toxicities were not conducted and no-effect doses were not established; however, the relative exposure at the lowest dose tested was approximately 5 times the human exposure after a 100-mg oral dose or 3 times the human exposure after a 6-mg subcutaneous dose.

    Melanin Binding: In rats with a single subcutaneous dose (0.5 mg/kg) of radiolabeled sumatriptan, the elimination half-life of radioactivity from the eye was 15 days, suggesting that sumatriptan and its metabolites bind to the melanin of the eye. The clinical significance of this binding is unknown.

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  • 14 CLINICAL STUDIES

    14.1 Migraine

    In controlled clinical trials enrolling more than 1,000 subjects during migraine attacks who were experiencing moderate or severe pain and 1 or more of the symptoms enumerated in Table 3, onset of relief began as early as 10 minutes following a 6-mg sumatriptan succinate injection. Lower doses of sumatriptan succinate injection may also prove effective, although the proportion of subjects obtaining adequate relief was decreased and the latency to that relief is greater with lower doses.

    In Study 1, 6 different doses of sumatriptan succinate injection (n = 30 each group) were compared with placebo (n = 62), in a single-attack, parallel-group design, the dose response relationship was found to be as shown in Table 2.

    Table 2. Proportion of Subjects With Migraine Relief and Incidence of Adverse Events by Time and by Sumatriptan Succinate Dose in Study 1

    Dose of Sumatriptan Succinate Injection

    Percent Subjects With Reliefa

    Adverse Events Incidence (%)

    at 10 Minutes

    at 30 Minutes

    at 1 Hour

    at 2 Hours

    Placebo

    5

    15

    24

    21

    55

    1 mg

    10

    40

    43

    40

    63

    2 mg

    7

    23

    57

    43

    63

    3 mg

    17

    47

    57

    60

    77

    4 mg

    13

    37

    50

    57

    80

    6 mg

    10

    63

    73

    70

    83

    8 mg

    23

    57

    80

    83

    93

    aRelief is defined as the reduction of moderate or severe pain to no or mild pain after dosing without use of rescue medication.

    In 2 randomized, placebo-controlled clinical trials of sumatriptan succinate injection 6 mg in 1,104 subjects with moderate or severe migraine pain (Studies 2 and 3), the onset of relief was less than 10 minutes. Headache relief, as defined by a reduction in pain from severe or moderately severe to mild or no headache, was achieved in 70% of the subjects within 1 hour of a single 6-mg subcutaneous dose of sumatriptan succinate injection. Approximately 82% and 65% of subjects treated with sumatriptan succinate 6 mg had headache relief and were pain free within 2 hours, respectively.

    Table 3 shows the 1- and 2-hour efficacy results for sumatriptan succinate injection 6 mg in Studies 2 and 3.

    Table 3. Proportion of Subjects With Pain Relief and Relief of Migraine Symptoms After 1 and 2 Hours of Treatment in Studies 2 and 3

    1-Hour Data

    Study 2

    Study 3

    Placebo

    (n = 190)

    Sumatriptan Succinate

    6 mg

    (n = 384)

    Placebo

    (n = 180)

    Sumatriptan Succinate

    6 mg

    (n = 350)

    Subjects with pain relief (grade 0/1)

    18%

    70%a

    26%

    70%a

    Subjects with no pain

    5%

    48%a

    13%

    49%a

    Subjects without nausea

    48%

    73%a

    50%

    73%a

    Subjects without photophobia

    23%

    56%a

    25%

    58%a

    Subjects with little or no clinical disabilityb

    34%

    76%a

    34%

    76%a

    2-Hour Data

    Study 2

    Study 3

    Placeboc

    Sumatriptan Succinate

    6 mgd

    Placeboc

    Sumatriptan Succinate

    6 mgd

    Subjects with pain relief (grade 0/1)

    31%

    81%a

    39%

    82%a

    Subjects with no pain

    11%

    63%a

    19%

    65%a

    Subjects without nausea

    56%

    82%a

    63%

    81%a

    Subjects without photophobia

    31%

    72%a

    35%

    71%a

    Subjects with little or no clinical disabilityb

    42%

    85%a

    49%

    84%a

    aP<0.05 versus placebo.

    bA successful outcome in terms of clinical disability was defined prospectively as ability to work mildly impaired or ability to work and function normally.

    cIncludes subjects that may have received an additional placebo injection 1 hour after the initial injection.

    dIncludes subjects that may have received an additional 6 mg of sumatriptan succinate injection 1 hour after the initial injection.

    Sumatriptan succinate injection also relieved photophobia, phonophobia (sound sensitivity), nausea, and vomiting associated with migraine attacks. Similar efficacy was seen when subjects self-administered sumatriptan succinate injection using the autoinjector pen.

    The efficacy of sumatriptan succinate injection was unaffected by whether or not the migraine was associated with aura, duration of attack, gender or age of the subject, or concomitant use of common migraine prophylactic drugs (e.g., beta-blockers).

    14.2 Cluster Headache

    The efficacy of sumatriptan succinate injection in the acute treatment of cluster headache was demonstrated in 2 randomized, double-blind, placebo-controlled, 2-period crossover trials (Studies 4 and 5). Subjects aged 21 to 65 years were enrolled and were instructed to treat a moderate to very severe headache within 10 minutes of onset. Headache relief was defined as a reduction in headache severity to mild or no pain. In both trials, the proportion of individuals gaining relief at 10 or 15 minutes was significantly greater among subjects receiving 6 mg of sumatriptan succinate injection compared with those who received placebo (see Table 4).

    Table 4. Proportion of Subjects With Cluster Headache Relief by Time in Studies 4 and 5

    Study 4

    Study 5

    Placebo

    (n = 39)

    Sumatriptan Succinate

    6 mg

    (n = 39)

    Placebo

    (n = 88)

    Sumatriptan Succinate

    6 mg

    (n = 92)

    Subjects with pain relief (no/mild)

    5 Minutes post-injection

    8%

    21%

    7%

    23%a

    10 Minutes post-injection

    10%

    49%a

    25%

    49%a

    15 Minutes post-injection

    26%

    74%a

    35%

    75%a

    aP<0.05.

    (n = Number of headaches treated.)

    An estimate of the cumulative probability of a subject with a cluster headache obtaining relief after being treated with either sumatriptan succinate injection or placebo is presented in Figure 1.

    Figure 1. Time to Relief of Cluster Headache from Time of Injectiona

    Figure 1

    aThe figure uses Kaplan-Meier (product limit) Survivorship Plot. Subjects taking rescue medication were censored at 15 minutes.

    The plot was constructed with data from subjects who either experienced relief or did not require (request) rescue medication within a period of 2 hours following treatment. As a consequence, the data in the plot are derived from only a subset of the 258 headaches treated (rescue medication was required in 52 of the 127 placebo-treated headaches and 18 of the 131 headaches treated with sumatriptan succinate injection).

    Other data suggest that treatment with sumatriptan succinate injection is not associated with an increase in early recurrence of headache and has little effect on the incidence of later-occurring headaches (i.e., those occurring after 2, but before 18 or 24 hours).

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  • 16 HOW SUPPLIED/STORAGE AND HANDLING

    Sumatriptan Succinate Injection contains sumatriptan (base) as the succinate salt and is supplied as a clear, colorless to pale yellow, sterile, nonpyrogenic solution as follows:

    Prefilled Syringe and/or Autoinjector Pen: Each pack contains a Patient Information and Patients Instructions for Use leaflet.

    Sumatriptan Succinate Injection Kit, 4 mg, containing 1 autoinjector pen, 2 prefilled single-dose syringe cartridges, and 1 carrying case (NDC 0781-3169-07).
    Sumatriptan Succinate Injection Kit, 6 mg, containing 1 autoinjector pen, 2 prefilled single-dose syringe cartridges, and 1 carrying case (NDC 0781-3172-07).
    Two 4-mg single-dose prefilled syringe cartridges for use with Sumatriptan Succinate Injection Kit (NDC 0781-3170-07).
    Two 6-mg single-dose prefilled syringe cartridges for use with Sumatriptan Succinate Injection Kit (NDC 0781-3173-07).

    Single-Dose Vial:

    Sumatriptan Succinate Injection single-dose vial (6 mg/0.5 mL) in cartons containing 5 vials (NDC 0781-3174-14).

    Store between 2° and 30°C (36° and 86°F). Protect from light.

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  • 17 PATIENT COUNSELING INFORMATION

    See FDA-approved patient labeling (Patient Information and Instructions for Use).

    17.1 Risk of Myocardial Ischemia and/or Infarction, Prinzmetal’s Angina, Other Vasospasm-Related Events, Arrhythmias, and Cerebrovascular Events

    Inform patients that Sumatriptan Succinate Injection may cause serious cardiovascular side effects such as myocardial infarction or stroke. Although serious cardiovascular events can occur without warning symptoms, patients should be alert for the signs and symptoms of chest pain, shortness of breath, irregular heartbeat, significant rise in blood pressure, weakness, and slurring of speech and should ask for medical advice when observing any indicative sign or symptoms. Patients should be apprised of the importance of this follow-up [see Warnings and Precautions (5.1, 5.2, 5.4, 5.5, 5.8)].

    17.2 Anaphylactic/Anaphylactoid Reactions

    Inform patients that anaphylactic/anaphylactoid reactions have occurred in patients receiving sumatriptan succinate injection. Such reactions can be life threatening or fatal. In general, anaphylactic reactions to drugs are more likely to occur in individuals with a history of sensitivity to multiple allergens [see Warnings and Precautions (5.9)].

    17.3 Medication Overuse Headache

    Inform patients that use of acute migraine drugs for 10 or more days per month may lead to an exacerbation of headache and encourage patients to record headache frequency and drug use (e.g., by keeping a headache diary) [see Warnings and Precautions (5.6)].

    17.4 Pregnancy

    Inform patients that Sumatriptan Succinate Injection should not be used during pregnancy unless the potential benefit justifies the potential risk to the fetus [see Use in Specific Populations (8.1)].

    17.5 Nursing Mothers

    Advise patients to notify their healthcare provider if they are breastfeeding or plan to breastfeed [see Use in Specific Populations (8.3)].

    17.6 Ability To Perform Complex Tasks

    Since migraines or treatment with Sumatriptan Succinate Injection may cause somnolence and dizziness, instruct patients to evaluate their ability to perform complex tasks during migraine attacks and after administration of Sumatriptan Succinate Injection.

    17.7 Serotonin Syndrome

    Patients should be cautioned about the risk of serotonin syndrome with the use of Sumatriptan Succinate Injection or other triptans, particularly during combined use with SSRIs, SNRIs, TCAs, and MAO inhibitors [see Warnings and Precautions (5.7) and Drug Interactions (7.4)].

    17.8 How to Use Sumatriptan Succinate Injection

    Provide patients instruction on the proper use of Sumatriptan Succinate Injection if they are able to self-administer Sumatriptan Succinate Injection in medically unsupervised situation.

    Inform patients that the needle in the autoinjector pen penetrates approximately 1/4 of an inch (5 to 6 mm). Inform patients that the injection is intended to be given subcutaneously and intramuscular or intravascular delivery should be avoided. Instruct patients to use injection sites with an adequate skin and subcutaneous thickness to accommodate the length of the needle.

    Manufactured by GlaxoSmithKline.

    Research Triangle Park, NC 27709

    for Sandoz Inc.

    Princeton, NJ 08540

    SMJ-SZ:5PI

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  • PATIENT PACKAGE INSERT

    Patient Information

    Sumatriptan Succinate Injection

    Read this Patient Information before you start taking Sumatriptan Succinate and each time you get a refill. There may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or treatment.

    What is the most important information I should know about Sumatriptan Succinate?

    Sumatriptan Succinate can cause serious side effects, including:

    Heart attack and other heart problems. Heart problems may lead to death.

    Stop taking Sumatriptan Succinate and get emergency medical help right away if you have any of the following symptoms of a heart attack:

    discomfort in the center of your chest that lasts for more than a few minutes, or that goes away and comes back
    severe tightness, pain, pressure, or heaviness in your chest, throat, neck, or jaw
    pain or discomfort in your arms, back, neck, jaw, or stomach
    shortness of breath with or without chest discomfort
    breaking out in a cold sweat
    nausea or vomiting
    feeling lightheaded

    Sumatriptan Succinate is not for people with risk factors for heart disease unless a heart exam is done and shows no problem. You have a higher risk for heart disease if you:

    have high blood pressure
    have high cholesterol levels
    smoke
    are overweight
    have diabetes
    have a family history of heart disease

    What is Sumatriptan Succinate?

    Sumatriptan Succinate is a prescription medicine used to treat acute migraine headaches with or without aura and acute cluster headaches in adults who have been diagnosed with migraine or cluster headaches.

    Sumatriptan Succinate is not used to treat other types of headaches such as hemiplegic (that make you unable to move on one side of your body) or basilar (rare form of migraine with aura) migraines.

    Sumatriptan Succinate is not used to prevent or decrease the number of migraine or cluster headaches you have.

    It is not known if Sumatriptan Succinate is safe and effective in children under 18 years of age.

    Who should not take Sumatriptan Succinate?

    Do not take Sumatriptan Succinate if you have:

    heart problems or a history of heart problems
    narrowing of blood vessels to your legs, arms, stomach, or kidney (peripheral vascular disease)
    uncontrolled high blood pressure
    hemiplegic migraines or basilar migraines. If you are not sure if you have these types of migraines, ask your healthcare provider.
    had a stroke, transient ischemic attacks (TIAs), or problems with your blood circulation
    taken any of the following medicines in the last 24 hours:
    almotriptan (AXERT®)
    eletriptan (RELPAX®)
    frovatriptan (FROVA®)
    naratriptan (AMERGE®)
    rizatriptan (MAXALT®, MAXALT-MLT®)
    sumatriptan (IMITREX®)
    sumatriptan and naproxen (TREXIMET®)
    ergotamines (CAFERGOT®, ERGOMAR®, MIGERGOT®)
    dihydroergotamine (D.H.E. 45®, MIGRANAL®)

    Ask your healthcare provider if you are not sure if your medicine is listed above.

    an allergy to sumatriptan or any of the ingredients in Sumatriptan Succinate. See the end of this leaflet for a complete list of ingredients in Sumatriptan Succinate.

    What should I tell my healthcare provider before taking Sumatriptan Succinate?

    Before you take Sumatriptan Succinate, tell your healthcare provider about all of your medical conditions, including if you:

    have high blood pressure
    have high cholesterol
    have diabetes
    smoke
    are overweight
    have heart problems or family history of heart problems or stroke
    have liver problems
    have had epilepsy or seizures
    are not using effective birth control
    become pregnant while taking Sumatriptan Succinate
    are breastfeeding or plan to breastfeed. Sumatriptan Succinate passes into your breast milk and may harm your baby. Talk with your healthcare provider about the best way to feed your baby if you take Sumatriptan Succinate.

    Tell your healthcare provider about all the medicines you take, including prescription and nonprescription medicines, vitamins, and herbal supplements.

    Using Sumatriptan Succinate with certain other medicines can affect each other, causing serious side effects.

    Especially tell your healthcare provider if you take anti-depressant medicines called:

    selective serotonin reuptake inhibitors (SSRIs)
    serotonin norepinephrine reuptake inhibitors (SNRIs)
    tricyclic antidepressants (TCAs)
    monoamine oxidase inhibitors (MAOIs)

    Ask your healthcare provider or pharmacist for a list of these medicines if you are not sure.

    Know the medicines you take. Keep a list of them to show your healthcare provider or pharmacist when you get a new medicine.

    How should I take Sumatriptan Succinate?

    Certain people should take their first dose of Sumatriptan Succinate in their healthcare provider’s office or in another medical setting. Ask your healthcare provider if you should take your first dose in a medical setting.
    Use Sumatriptan Succinate exactly as your healthcare provider tells you to use it.
    Your healthcare provider may change your dose. Do not change your dose without first talking with your healthcare provider.
    For adults, the usual dose is a single injection given just below the skin.
    You should give an injection as soon as the symptoms of your headache start, but it may be given at any time during a migraine attack.
    If you did not get any relief after the first injection, do not give a second injection without first talking with your healthcare provider.
    You can take a second injection 1 hour after the first injection, but not sooner, if your headache came back after your first injection.
    Do not take more than 12 mg in a 24‑hour period.
    If you use too much Sumatriptan Succinate, call your healthcare provider or go to the nearest hospital emergency room right away.
    You should write down when you have headaches and when you take Sumatriptan Succinate so you can talk with your healthcare provider about how Sumatriptan Succinate is working for you.

    What should I avoid while taking Sumatriptan Succinate?

    Sumatriptan Succinate can cause dizziness, weakness, or drowsiness. If you have these symptoms, do not drive a car, use machinery, or do anything where you need to be alert.

    What are the possible side effects of Sumatriptan Succinate?

    Sumatriptan Succinate may cause serious side effects. See “What is the most important information I should know about Sumatriptan Succinate?”

    These serious side effects include:

    changes in color or sensation in your fingers and toes (Raynaud’s syndrome)
    stomach and intestinal problems (gastrointestinal and colonic ischemic events). Symptoms of gastrointestinal and colonic ischemic events include:
    sudden or severe stomach pain
    stomach pain after meals
    weight loss
    nausea or vomiting
    constipation or diarrhea
    bloody diarrhea
    fever
    problems with blood circulation to your legs and feet (peripheral vascular ischemia). Symptoms of peripheral vascular ischemia include:
    cramping and pain in your legs or hips
    feeling of heaviness or tightness in your leg muscles
    burning or aching pain in your feet or toes while resting
    numbness, tingling, or weakness in your legs
    cold feeling or color changes in 1 or both legs or feet
    medication overuse headaches. Some people who use too many Sumatriptan Succinate injections may have worse headaches (medication overuse headache). If your headaches get worse, your healthcare provider may decide to stop your treatment with Sumatriptan Succinate.
    serotonin syndrome. Serotonin syndrome is a rare but serious problem that can happen in people using Sumatriptan Succinate, especially if Sumatriptan Succinate is used with anti‑depressant medicines called SSRIs or SNRIs.

    Call your healthcare provider right away if you have any of the following symptoms of serotonin syndrome:

    seizures. Seizures have happened in people taking Sumatriptan Succinate who have never had seizures before. Talk with your healthcare provider about your chance of having seizures while you take Sumatriptan Succinate.

    The most common side effects of Sumatriptan Succinate include:

    pain or redness at your injection site
    tingling or numbness in your fingers or toes
    dizziness
    warm, hot, burning feeling to your face (flushing)
    discomfort or stiffness in your neck
    feeling weak, drowsy, or tired

    Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

    These are not all the possible side effects of Sumatriptan Succinate. For more information, ask your healthcare provider or pharmacist.

    Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    How should I store Sumatriptan Succinate Injection?

    Store Sumatriptan Succinate Injection between 36°F to 86°F (2°C to 30°C).
    Store your medicine away from light.
    Keep your medicine in the packaging or carrying case provided with it.

    Keep Sumatriptan Succinate and all medicines out of the reach of children.

    General information about the safe and effective use of Sumatriptan Succinate

    Medicines are sometimes prescribed for purposes other than those listed in Patient Information leaflets. Do not use Sumatriptan Succinate for a condition for which it was not prescribed. Do not give Sumatriptan Succinate to other people, even if they have the same symptoms you have. It may harm them.

    This Patient Information leaflet summarizes the most important information about Sumatriptan Succinate. If you would like more information, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about Sumatriptan Succinate that is written for healthcare professionals.

    What are the ingredients in Sumatriptan Succinate Injection?

    Active ingredient: sumatriptan succinate

    Inactive ingredients: sodium chloride, water for injection

    This Patient Information and Instructions for Use has been approved by the U.S. Food and Drug Administration.

    IMITREX, AMERGE, TREXIMET are registered trademarks of GlaxoSmithKline. The other brands listed are trademarks of their respective owners and are not trademarks of GlaxoSmithKline. The makers of these brands are not affiliated with and do not endorse GlaxoSmithKline or its products.

    Manufactured by GlaxoSmithKline

    Research Triangle Park, NC 27709

    for Sandoz Inc.

    Princeton, NJ 08540

    January 2013

    SMJ-SZ:5PPI

    Patient Instructions for Use

    Sumatriptan Succinate Injection Kit

    Sumatriptan Succinate Injection Kit

    Read this Patient Instructions for Use before you start to use the Sumatriptan Succinate Injection Kit. There may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or treatment. You and your healthcare provider should talk about Sumatriptan Succinate Injection when you start taking it and at regular checkups.

    Keep the Sumatriptan Succinate Injection Kit out of the reach of children.

    Before you use the Sumatriptan Succinate Injection Kit

    When you first open the Sumatriptan Succinate Injection Kit, the Cartridge Pack and the autoinjector Pen are already in the Carrying Case for your convenience.

    Parts

    The grey and blue Carrying Case is used for storing the unloaded autoinjector Pen and the Cartridge Pack when they are not being used.

    The Cartridge Pack holds 2 individually sealed Syringe Cartridges. Each Syringe Cartridge holds 1 dose of Sumatriptan Succinate Injection. The Cartridge Pack for the 4-mg strength of this medicine is yellow, and the Cartridge Pack for the 6-mg strength is blue (as shown). Refill Cartridge Packs are available.

    The grey and blue Pen is used to automatically inject 1 dose of medicine from a Syringe Cartridge. Do not touch the Blue Button until you have pressed the Pen against your skin to give a dose. If you press it at any other time, you might lose a dose. The Safety Catch keeps the Pen from accidentally firing until you are ready. The Pen will only work when you slide the grey part of the barrel down to the blue part. Always check to make sure that the white Priming Rod is not sticking out from the end of the Pen (as shown in Figure B) before you load a new Syringe Cartridge. If it is sticking out, you will lose that dose.

    How to load the Pen

    Do not load the Pen until you are ready to give yourself an injection.

    Do not touch the Blue Button on top of the Pen (see Figure A) while you are loading the Pen.

    1. Open the lid of the Carrying Case. The tamper-evident seals over the 2 Syringe Cartridges are labeled “A” and “B” (see Figure A inset) .

    Always use the Syringe Cartridge marked “A” before the one marked “B” to help you keep track of your doses. Do not use if either seal is broken or missing when you first open the Carrying Case.

    Sumatriptan_FIG_A

    Figure A

    2. Tear off one of the tamper-evident seals (see Figure A) . Throw away the seal. Open the lid over the Syringe Cartridge.

    3. Hold the Pen by the ridges at the top. Take the Pen out of the Carrying Case (see Figure B) .

    Check to make sure the white Priming Rod is not sticking out from the lower end of the Pen (see Figure B inset) . If it is sticking out, put the Pen back into the Carrying Case and press down firmly until you feel it click. Take the Pen out of the Carrying Case.

    Sumatriptan_FIG_B

    Figure B

    4. Put the Pen in the Cartridge Pack. Turn it to the right (clockwise) until it will not turn any more (about half a turn) (see Figure C) .

    Sumatriptan_FIG_C

    Figure C

    5. Hold the loaded Pen by the ridges and pull it straight out (see Figure D) . You may need to pull hard on the Pen, but this is normal. Do not press the Blue Button yet.

    Sumatriptan_FIG_D

    Figure D

    The Pen is now ready to use. Do not put the loaded Pen back into the Carrying Case because that will damage the needle.

    How to use the Pen to take your medicine

    Before injecting your medicine, choose an area with a fatty tissue layer (see Figure E or Figure F). Ask your healthcare provider if you have a question about where to inject your medicine.

    To prepare the area of skin where Sumatriptan Succinate is to be injected, wipe the injection site with an alcohol swab. Do not touch this area again before giving the injection.

    Figure E

    Figure E

    Figure F

    Figure F

    6. Without pushing the Blue Button, press the loaded Pen firmly against the skin so that the grey barrel slides down toward the blue section that holds the Syringe Cartridge (see Figure D) . (This releases the Safety Catch that keeps the Pen from firing by mistake until you are ready.)

    7. Push the Blue Button. Hold the Pen still for at least 5 seconds . If the Pen is taken away from the skin too soon, not all the medicine will come out.

    8. After 5 seconds , carefully take the Pen away from your skin. The needle will be showing (see Figure G) . Do not touch the needle.

    SumatriptanFigure G

    Figure G

    How to unload the Pen after taking your medicine

    Right after you take a dose with the Pen, you need to return the used Syringe Cartridge to the Cartridge Pack.

    9. Push the Pen down into the empty side of the Cartridge Pack as far as it will go (see Figure H) .

    Sumatriptan_FIG_H

    Figure H

    10. Turn the Pen to the left (counterclockwise) about half a turn until it is released from the Syringe Cartridge (see Figure I) .

    Figure I

    Figure I

    11. Pull the empty Pen out of the Cartridge Pack (see Figure J) .

    Because the Pen has now been used, the white Priming Rod will stick out from the lower end of the Pen (see Figure J).

    Sumatriptan_FIG_J

    Figure J

    12. Close the Cartridge Pack lid over the used Syringe Cartridge. When the used Syringe Cartridges are inserted correctly, the Cartridge Pack is a disposable, protective case to help you avoid needle sticks and use the syringes correctly.

    13. Put the Pen back into the Carrying Case and press it down firmly until you feel it click. Close the Carrying Case lid. This gets the Pen ready for the next use.

    If the lid will not close, push the Pen down until you feel it click. Then close the lid.

    How to take out a used Cartridge Pack

    After both Syringe Cartridges have been used, take the Cartridge Pack out of the Carrying Case. Never reuse or recycle a Syringe Cartridge.

    14. Open the Carrying Case lid.

    15. Hold the Carrying Case with one hand and press the 2 buttons on either side of the Carrying Case (see Figure K) .

    Sumatriptan_FIG_K

    Figure K

    16. Gently pull out the Cartridge Pack with the other hand (see Figure L) .

    Sumatriptan_FIG_L

    Figure L

    17. Throw away the Cartridge Pack or dispose of it as instructed by your healthcare provider. There may be special state and local laws for disposing of used needles and syringes. Always keep out of the reach of children.

    How to insert a new Cartridge Pack

    18. Take the new Cartridge Pack out of its box. Do not take off the tamper evident seals (see Figure M).

    Sumatriptan_FIG_M

    Figure M

    19. Put the Cartridge Pack in the Carrying Case. Slide it down smoothly (see Figure N) .

    Sumatriptan_FIG_N

    Figure N

    20. The Cartridge Pack will click into place when the 2 buttons show through the holes in the Carrying Case (see Figure O) . Close the lid.

    Sumatriptan_FIG_O

    Figure O

    This Patient Information and Instructions for Use has been approved by the U.S. Food and Drug Administration.

    imitrex, AMERGE, TREXIMET are registered trademarks of GlaxoSmithKline. The other brands listed are trademarks of their respective owners and are not trademarks of GlaxoSmithKline. The makers of these brands are not affiliated with and do not endorse GlaxoSmithKline or its products.

    Manufactured by GlaxoSmithKline

    Research Triangle Park, NC 27709

    for Sandoz Inc.

    Princeton, NJ 08540

    October 2012

    SMJ-SZ:3PIL

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  • PRINCIPAL DISPLAY PANEL

    Principal Display Panel

    NDC 0781-3173-07

    Sumatriptan Succinate Injection

    6 mg

    0.5 mL

    For subcutaneous injection only.

    Rx only

    2 Single-Dose Syringe Cartridges for Use With Sumatriptan Autoinjector Pen

    SANDOZ

    10000000102390 Rev. 01/12

    Sumatriptan Injection for Sandoz 6mg 2 syringe carton
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  • PRINCIPAL DISPLAY PANEL

    Principal Display Panel

    NDC 0781-3174-14

    Sumatriptan Succinate Injection

    6 mg

    0.5 mL

    For subcutaneous injection only.

    Single-dose vial. Discard unused portion.

    Rx only

    5 Single-Dose Vials

    SANDOZ

    10000000103861 Rev. 2/12

    Sumatriptan Injection 6mg 5 vial carton
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  • PRINCIPAL DISPLAY PANEL

    Principal Display Panel

    NDC 0781-3169-07

    Sumatriptan Succinate Injection

    4 mg

    Rx only

    This carton contains:

    Sumatriptan Succinate Injection

    2 prefilled 0.5-mL syringe cartridges, each containing 4 mg of sumatriptan for subcutaneous injection only

    1 Sumatriptan Autoinjector Pen
    1 Carrying Case
    Instructions for Use/Information for the Patient
    Prescribing Information

    10000000101136  Rev. 12/11

    Sumatriptan Succinate Injection 4mg trade kit carton
    Close
  • PRINCIPAL DISPLAY PANEL

    Principal Display Panel

    NDC 0781-3170-07

    Sumatriptan Succinate Injection

    4 mg

    0.5 mL

    For subcutaneous injection only.

    Rx only

    2 Single-Dose Syringe

    Cartridges for Use With

    Sumatriptan Autoinjector Pen

    10000000101139 Rev. 12/11

    Sumatriptan Succinate Injection4mg trade refill Carton
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  • PRINCIPAL DISPLAY PANEL

    Principal Display Panel

    NDC 0781-3172-07

    Sumatriptan Succinate Injection

    6 mg

    Rx only

     This carton contains:

    Sumatriptan Succinate Injection

    2 prefilled 0.5-mL syringe cartridges, each containing 6 mg of sumatriptan for subcutaneous injection only

    1 Sumatriptan Autoinjector Pen
    1 Carrying Case
    Instructions for Use/Information for the Patient
    Prescribing Information

    10000000101131 Rev. 12/11

    Sumatriptan Succinate Injection 6mg Trade Kit Carton
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  • INGREDIENTS AND APPEARANCE
    SUMATRIPTAN SUCCINATE 
    sumatriptan succinate injection, solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0781-3173
    Route of Administration SUBCUTANEOUS DEA Schedule     
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    SUMATRIPTAN SUCCINATE (SUMATRIPTAN) SUMATRIPTAN 6 mg  in 0.5 mL
    Inactive Ingredients
    Ingredient Name Strength
    SODIUM CHLORIDE  
    WATER  
    Product Characteristics
    Color YELLOW (clear, colorless to pale yellow) Score     
    Shape Size
    Flavor Imprint Code
    Contains     
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:0781-3173-07 2 in 1 PACKAGE
    1 0.5 mL in 1 SYRINGE
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    NDA NDA020080 09/09/2008
    SUMATRIPTAN SUCCINATE 
    sumatriptan succinate injection, solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0781-3174
    Route of Administration SUBCUTANEOUS DEA Schedule     
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    SUMATRIPTAN SUCCINATE (SUMATRIPTAN) SUMATRIPTAN 6 mg  in 0.5 mL
    Inactive Ingredients
    Ingredient Name Strength
    SODIUM CHLORIDE  
    WATER  
    Product Characteristics
    Color YELLOW (clear, colorless to pale yellow) Score     
    Shape Size
    Flavor Imprint Code
    Contains     
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:0781-3174-14 5 in 1 CARTON
    1 NDC:0781-3174-71 0.5 mL in 1 VIAL
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    NDA NDA020080 09/09/2008
    SUMATRIPTAN SUCCINATE 
    sumatriptan succinate injection, solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0781-3169
    Route of Administration SUBCUTANEOUS DEA Schedule     
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    SUMATRIPTAN SUCCINATE (SUMATRIPTAN) SUMATRIPTAN 4 mg  in 0.5 mL
    Inactive Ingredients
    Ingredient Name Strength
    SODIUM CHLORIDE  
    WATER  
    Product Characteristics
    Color YELLOW (clear, colorless to pale yellow) Score     
    Shape Size
    Flavor Imprint Code
    Contains     
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:0781-3169-07 1 in 1 CARTON
    1 2 in 1 PACKAGE
    1 0.5 mL in 1 SYRINGE
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    NDA NDA020080 01/12/2012
    SUMATRIPTAN SUCCINATE 
    sumatriptan succinate injection, solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0781-3170
    Route of Administration SUBCUTANEOUS DEA Schedule     
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    SUMATRIPTAN SUCCINATE (SUMATRIPTAN) SUMATRIPTAN 4 mg  in 0.5 mL
    Inactive Ingredients
    Ingredient Name Strength
    SODIUM CHLORIDE  
    WATER  
    Product Characteristics
    Color YELLOW (clear, colorless to pale yellow) Score     
    Shape Size
    Flavor Imprint Code
    Contains     
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:0781-3170-07 2 in 1 PACKAGE
    1 0.5 mL in 1 SYRINGE
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    NDA NDA020080 01/12/2012
    SUMATRIPTAN SUCCINATE 
    sumatriptan succinate injection, solution
    Product Information
    Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:0781-3172
    Route of Administration SUBCUTANEOUS DEA Schedule     
    Active Ingredient/Active Moiety
    Ingredient Name Basis of Strength Strength
    SUMATRIPTAN SUCCINATE (SUMATRIPTAN) SUMATRIPTAN 6 mg  in 0.5 mL
    Inactive Ingredients
    Ingredient Name Strength
    SODIUM CHLORIDE  
    WATER  
    Product Characteristics
    Color YELLOW (clear, colorless to pale yellow) Score     
    Shape Size
    Flavor Imprint Code
    Contains     
    Packaging
    # Item Code Package Description Marketing Start Date Marketing End Date
    1 NDC:0781-3172-07 1 in 1 CARTON
    1 2 in 1 PACKAGE
    1 0.5 mL in 1 SYRINGE
    Marketing Information
    Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
    NDA NDA020080 01/12/2012
    Labeler - Sandoz Inc (110342024)
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