Label: BUSULFAN injection

  • NDC Code(s): 16729-351-03, 16729-351-92
  • Packager: Accord Healthcare, Inc
  • Category: HUMAN PRESCRIPTION DRUG LABEL
  • DEA Schedule: None
  • Marketing Status: Abbreviated New Drug Application

Drug Label Information

Updated January 5, 2024

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  • HIGHLIGHTS OF PRESCRIBING INFORMATION
    These highlights do not include all the information needed to use BUSULFAN INJECTION safely and effectively. See full prescribing information for BUSULFAN INJECTION.



    BUSULFAN Injection, for intravenous use

    Initial U.S. Approval: 1999

    WARNING: MYELOSUPPRESSION

    See full prescribing information for complete boxed warning.

    • Causes severe and prolonged myelosuppression ( 5.1).
    • Hematopoietic progenitor cell transplantation is required to prevent potentially fatal complications of the prolonged myelosuppression ( 5.1) .

    INDICATIONS AND USAGE

    Busulfan Injection is an alkylating drug indicated for:

    • Use in combination with cyclophosphamide as a conditioning regimen prior to allogeneic hematopoietic progenitor cell transplantation for chronic myelogenous leukemia (CML) ( 1)

    DOSAGE AND ADMINISTRATION

    • Pre-medicate with anticonvulsants (e.g. benzodiazepines, phenytoin, valproic acid or levetiracetam) and antiemetic ( 2.1, 5.2)
    • Dilute and administer as intravenous infusion. Do not administer as intravenous push or bolus ( 2.1, 2.3)
    • Recommended adult dose: 0.8 mg per kg of ideal body weight or actual body weight, whichever is lower, administered intravenously via a central venous catheter as a two-hour infusion every six hours for four consecutive days for a total of 16 doses ( 2.1)

    DOSAGE FORMS AND STRENGTHS

    • Injection: 60 mg/10 mL (6 mg/mL) single-dose vial ( 3)

    CONTRAINDICATIONS

    • Busulfan Injection is contraindicated in patients with a history of hypersensitivity to any of its components ( 4)

    WARNINGS AND PRECAUTIONS

    • Seizures: Initiate anticonvulsant prophylactic therapy prior to treatment with Busulfan Injection. Monitor patients with history of seizure disorder, head trauma or receiving epileptogenic drugs ( 5.2)
    • Hepatic Veno-Occlusive Disease (HVOD): Increased risk of developing HVOD at AUC greater than 1,500 µM•min. Monitor serum transaminases, alkaline phosphatase and bilirubin daily ( 5.3)
    • Embryo-fetal Toxicity: Can cause fetal harm. Advise of potential risk to a fetus and use of effective contraception ( 5.4, 8.1, 8.3)
    • Cardiac tamponade has been reported in pediatric patients with thalassemia who received high doses of oral busulfan and cyclophosphamide. Abdominal pain and vomiting preceded the tamponade in most patients ( 5.5)

    ADVERSE REACTIONS

    Most common adverse reactions (incidence > 60%) were: myelosuppression, nausea, stomatitis, vomiting, anorexia, diarrhea, insomnia, fever, hypomagnesemia, abdominal pain, anxiety, headache, hyperglycemia and hypokalemia ( 6.1)


    To report SUSPECTED ADVERSE REACTIONS, contact Accord Healthcare Inc. at 1-866-941-7875 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

    DRUG INTERACTIONS

    • Drugs that Decrease Busulfan Injection Clearance: Metronidazole, itraconazole, iron chelating agents, acetaminophen. ( 7.1)
    • Drugs that Increase Busulfan Injection Clearance: Phenytoin. ( 7.2)

    USE IN SPECIFIC POPULATIONS

    • Lactation: Advise women not to breastfeed. ( 8.2)

    See 17 for PATIENT COUNSELING INFORMATION.

    Revised: 10/2023

  • Table of Contents
  • BOXED WARNING (What is this?)

    WARNING: MYELOSUPPRESSION

    Busulfan Injection causes severe and prolonged myelosuppression at the recommended dosage. Hematopoietic progenitor cell transplantation is required to prevent potentially fatal complications of the prolonged myelosuppression. [seeWarnings and Precautions (5.1)].

  • 1 INDICATIONS AND USAGE

    Busulfan Injection is indicated for use in combination with cyclophosphamide as a conditioning regimen prior to allogeneic hematopoietic progenitor cell transplantation for chronic myelogenous leukemia.

  • 2 DOSAGE AND ADMINISTRATION

    2.1 Initial Dosing Information

    • Administer Busulfan Injection in combination with cyclophosphamide as a conditioning regimen prior to bone marrow or peripheral blood progenitor cell replacement. For patients weighing more than 12 kg, the recommended doses are:
      • Busulfan 0.8 mg per kg (ideal body weight or actual body weight, whichever is lower) intravenously via a central venous catheter as a two-hour infusion every six hours for four consecutive days for a total of 16 doses (Days -7, ‑6, -5 and -4).
      • Cyclophosphamide 60 mg per kg intravenously as a one-hour infusion on each of two days beginning no sooner than six hours following the 16 thdose of Busulfan (Days -3 and -2).
      • Administer hematopoietic progenitor cells on Day 0.
    • Premedicate patients with anticonvulsants (e.g., benzodiazepines, phenytoin, valproic acid or levetiracetam) to prevent seizures reported with the use of high dose Busulfan Injection. Administer anticonvulsants 12 hours prior to Busulfan Injection to 24 hours after the last dose of Busulfan Injection [seeWarnings and Precautions (5.2)].
    • Administer antiemetics prior to the first dose of Busulfan Injection and continue on a fixed schedule through Busulfan Injection administration.
    • Busulfan Injection clearance is best predicted when the Busulfan Injection dose is administered based on adjusted ideal body weight. Dosing Busulfan Injection based on actual body weight, ideal body weight or other factors can produce significant differences in Busulfan Injection clearance among lean, normal and obese patients.
      • Calculate ideal body weight (IBW) as follows (height in cm, and weight in kg):
        Men        :   IBW (kg)=50+0.91x (height in cm -152)
        Women   :   IBW (kg)=45+0.91x (height in cm -152)
      • For obese or severely obese patients, base Busulfan Injection dosing on adjusted ideal body weight (AIBW):
        AIBW= IBW +0.25x (actual weight -IBW).

    2.2 Preparation and Administration Precautions

    Busulfan Injection is incompatible with polycarbonate. Do not use any infusion components (syringes, filter needles, intravenous tubing, etc.) containing polycarbonate with Busulfan Injection.

    Use an administration set with minimal residual hold-up volume (2-5 cc) for product administration.

    Busulfan Injection is a cytotoxic drug. Follow applicable special handling and disposal procedures. Skin reactions may occur with accidental exposure. Use gloves when preparing Busulfan Injection. If Busulfan Injection or diluted Busulfan Injection solution contacts the skin or mucosa, wash the skin or mucosa thoroughly with water.

    Visually inspect parenteral drug products for particulate matter and discoloration prior to administration whenever the solution and container permit. Do not use if particulate matter is seen in the Busulfan Injection vial.

    2.3 Preparation for Intravenous Administration

    Busulfan Injection must be diluted prior to intravenous infusion with either 0.9% Sodium Chloride Injection, USP (normal saline) or 5% Dextrose Injection, USP (D5W). The diluent quantity should be 10 times the volume of Busulfan Injection, so that the final concentration of busulfan is approximately 0.5 mg per mL. Calculation of the dose for a 70 kg patient would be performed as follows:

    • (70 kg patient) x (0.8 mg per kg) ÷ (6 mg per mL) =9.3 mL Busulfan Injection (56 mg total dose).

    To prepare the final solution for infusion, add 9.3 mL of Busulfan Injection to 93 mL of diluent (normal saline or D5W) as calculated below:

    (9.3 mL Busulfan Injection) x (10) =93 mL of either diluent plus the 9.3 mL of Busulfan Injection to yield a final concentration of busulfan of 0.54 mg per mL (9.3 mL x 6 mg per mL ÷ 102.3 mL =0.54 mg per mL).

    All transfer procedures require strict adherence to aseptic techniques, preferably employing a vertical laminar flow safety hood while wearing gloves and protective clothing.

    Always add the Busulfan Injection to the diluent, not the diluent to the Busulfan Injection. Mix thoroughly by inverting several times. Discard unused portion.

    Infusion pumps should be used to administer the diluted Busulfan Injection solution. Set the flow rate of the pump to deliver the entire prescribed Busulfan Injection dose over two hours. Prior to and following each infusion, flush the indwelling catheter line with approximately 5 mL of 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP. DO NOT infuse concomitantly with another intravenous solution of unknown compatibility. WARNING: RAPID INFUSION OF BUSULFAN INJECTION HAS NOT BEEN TESTED AND IS NOT RECOMMENDED .

  • 3 DOSAGE FORMS AND STRENGTHS

    Injection: 60 mg/10 mL (6 mg/mL) as a clear, colorless, sterile, solution in a single-dose vial for intravenous use only.

  • 4 CONTRAINDICATIONS

    Busulfan Injection is contraindicated in patients with a history of hypersensitivity to any of its components.

  • 5 WARNINGS AND PRECAUTIONS

    5.1 Myelosuppression

    The most frequent serious consequence of treatment with Busulfan Injection at the recommended dose and schedule is prolonged myelosuppression, occurring in all patients (100%). Severe granulocytopenia, thrombocytopenia, anemia, or any combination thereof may develop. Hematopoietic progenitor cell transplantation is required to prevent potentially fatal complications of the prolonged myelosuppression. Monitor complete blood counts, including white blood cell differentials, and quantitative platelet counts daily during treatment and until engraftment is demonstrated. Absolute neutrophil counts dropped below 0.5x10 9/L at a median of 4 days post-transplant in 100% of patients treated in the Busulfan Injection clinical trial. The absolute neutrophil count recovered at a median of 13 days following allogeneic transplantation when prophylactic filgrastim was used in the majority of patients. Thrombocytopenia (less than 25,000/mm 3or requiring platelet transfusion) occurred at a median of 5-6 days in 98% of patients. Anemia (hemoglobin less than 8.0 g/dL) occurred in 69% of patients. Use antibiotic therapy and platelet and red blood cell support when medically indicated.

    5.2 Seizures

    Seizures have been reported in patients receiving high-dose oral busulfan at doses producing plasma drug levels similar to those achieved following the recommended dosage of Busulfan Injection. Despite prophylactic therapy with phenytoin, one seizure (1/42 patients) was reported during an autologous transplantation clinical trial of Busulfan Injection. This episode occurred during the cyclophosphamide portion of the conditioning regimen, 36 hours after the last Busulfan Injection dose. Initiate phenytoin therapy or any other alternative anti-convulsant prophylactic therapy (e.g., benzodiazepines, valproic acid or levetiracetam) prior to Busulfan Injection treatment [see Dosage and Administration (2.1)]. Use caution when administering the recommended dose of Busulfan Injection to patients with a history of a seizure disorder or head trauma or who are receiving other potentially epileptogenic drugs.

    5.3 Hepatic Veno-Occlusive Disease (HVOD)

    Current literature suggests that high busulfan area under the plasma concentration verses time curve (AUC) values (greater than 1,500 µM•min) may be associated with an increased risk of developing HVOD. Patients who have received prior radiation therapy, greater than or equal to three cycles of chemotherapy, or a prior progenitor cell transplant may be at an increased risk of developing HVOD with the recommended Busulfan Injection dose and regimen. Based on clinical examination and laboratory findings, HVOD was diagnosed in 8% (5/61) of patients treated with Busulfan Injection in the setting of allogeneic transplantation, was fatal in 2/5 cases (40%), and yielded an overall mortality from HVOD in the entire study population of 2/61 (3%).Three of the five patients diagnosed with HVOD were retrospectively found to meet the Jones’ criteria. The incidence of HVOD reported in the literature from the randomized, controlled trials was 7.7%-12% [see Clinical Studies (14)].Monitor serum transaminases, alkaline phosphatase, and bilirubin daily through BMT Day +28 to detect hepatotoxicity, which may herald the onset of HVOD.

    5.4 Embryo-fetal Toxicity

    Busulfan Injection can cause fetal harm when administered to a pregnant woman based on animal data. Busulfan was teratogenic in mice, rats, and rabbits. The solvent, DMA, may also cause fetal harm when administered to a pregnant woman based on findings in animals. Advise pregnant women of the potential risk to a fetus. Advise females and males of reproductive potential to use effective contraception during and after treatment with Busulfan Injection [see Use in Specific Populations (8.1, 8.3)

    5.5 Cardiac Tamponade

    Cardiac tamponade has been reported in pediatric patients with thalassemia (8/400 or 2% in one series) who received high doses of oral busulfan and cyclophosphamide as the preparatory regimen for hematopoietic progenitor cell transplantation. Six of the eight children died and two were saved by rapid pericardiocentesis. Abdominal pain and vomiting preceded the tamponade in most patients. Monitor for signs and symptoms, promptly evaluate and treat if cardiac tamponade is suspected.

    5.6 Bronchopulmonary Dysplasia

    Bronchopulmonary dysplasia with pulmonary fibrosis is a rare but serious complication following chronic busulfan therapy. The average onset of symptoms is 4 years after therapy (range 4 months to 10 years) .

    5.7 Cellular Dysplasia

    Busulfan may cause cellular dysplasia in many organs. Cytologic abnormalities characterized by giant, hyperchromatic nuclei have been reported in lymph nodes, pancreas, thyroid, adrenal glands, liver, lungs and bone marrow. This cytologic dysplasia may be severe enough to cause difficulty in the interpretation of exfoliative cytologic examinations of the lungs, bladder, breast and the uterine cervix .

  • 6 ADVERSE REACTIONS

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

    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 to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

    Adverse reaction information is primarily derived from the clinical study (N=61) of Busulfan Injection and the data obtained for high-dose oral busulfan conditioning in the setting of randomized, controlled trials identified through a literature review.

    In the Busulfan Injection allogeneic stem cell transplantation clinical trial, all patients were treated with Busulfan 0.8 mg per kg as a two-hour infusion every six hours for 16 doses over four days, combined with cyclophosphamide 60 mg per kg x2 days. Ninety-three percent (93%) of evaluable patients receiving this dose of Busulfan maintained an AUC less than 1,500 µM•min for dose 9, which has generally been considered the level that minimizes the risk of HVOD.

    Table 1 lists the non-hematologic adverse reactions events through Bone Marrow Transplantation (BMT) Day +28 at a rate greater than or equal to 20% in patients treated with Busulfan Injection prior to allogeneic hematopoietic cell transplantation.

    Table 1: Summary of the Incidence (greater than or equal to 20%) of Non-Hematologic Adverse Reactions through BMT Day +28 in Patients who Received Busulfan Injection Prior to Allogeneic Hematopoietic Progenitor Cell Transplantation

    1. Includes all reported adverse reactions regardless of severity (toxicity grades 1-4)

    Non-Hematological Adverse Reactions 1

    Percent Incidence

    BODY AS A WHOLE

            Fever

    80

            Headache

    69

            Asthenia

    51

            Chills

    46

            Pain

    44

            Edema General

    28

            Allergic Reaction

    26

            Chest Pain

    26

            Inflammation at Injection Site

    25

            Back Pain

    23

    CARDIOVASCULAR SYSTEM

            Tachycardia

    44

            Hypertension

    36

            Thrombosis

    33

            Vasodilation

    25

    DIGESTIVE SYSTEM

            Nausea

    98

            Stomatitis (Mucositis)

    97

            Vomiting

    95

            Anorexia

    85

            Diarrhea

    84

            Abdominal Pain

    72

            Dyspepsia

    44

            Constipation

    38

            Dry Mouth

    26

            Rectal Disorder

    25

            Abdominal Enlargement

    23

    METABOLIC AND NUTRITIONAL SYSTEM

            Hypomagnesemia

    77

            Hyperglycemia

    66

            Hypokalemia

    64

            Hypocalcemia

    49

            Hyperbilirubinemia

    49

            Edema

    36

            SGPT Elevation

    31

            Creatinine Increased

    21

    NERVOUS SYSTEM

            Insomnia

    84

            Anxiety

    72

            Dizziness

    30

            Depression

    23

    RESPIRATORY SYSTEM

            Rhinitis

    44

            Lung Disorder

    34

            Cough

    28

            Epistaxis

    25

            Dyspnea

    25

    SKIN AND APPENDAGES

            Rash

    57

            Pruritus

    28

    Additional Adverse Reactions by Body System

    Hematologic:Prolonged prothrombin time

    Gastrointestinal: Esophagitis, ileus, hematemesis, pancreatitis, rectal discomfort

    Hepatic: Alkaline phosphatase increases, jaundice, hepatomegaly

    Graft-versus-host disease:Graft-versus-host disease. There were 3 deaths (5%) attributed to GVHD.

    Edema:Hypervolemia, or documented weight increase

    Infection:Infection, pneumonia (fatal in one patient and life-threatening in 3% of patients)

    Cardiovascular:Arrhythmia, atrial fibrillation, ventricular extrasystoles, third degree heart block, thrombosis (all episodes were associated with the central venous catheter), hypotension, flushing and hot flashes, cardiomegaly, ECG abnormality, left-sided heart failure, and pericardial effusion

    Pulmonary:Hyperventilation, alveolar hemorrhage (fatal in 3%), pharyngitis, hiccup, asthma, atelectasis, pleural effusion, hypoxia, hemoptysis, sinusitis, and interstitial fibrosis (fatal in a single case)

    Neurologic:Cerebral hemorrhage, coma, delirium, agitation, encephalopathy, confusion, hallucinations, lethargy, somnolence

    Renal:BUN increased, dysuria, oliguria, hematuria, hemorrhagic cystitis

    Skin:Alopecia, vesicular rash, maculopapular rash, vesiculo-bullous rash, exfoliative dermatitis, erythema nodosum, acne, skin discoloration

    Metabolic:Hypophosphatemia, hyponatremia

    Other Events:Injection site pain, myalgia, arthralgia, ear disorder

    6.2 Postmarketing Experience

    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. The following adverse reactions have been identified during post-approval use of Busulfan Injection:

    Blood and Lymphatic System Disorders: febrile neutropenia

    Gastrointestinal Disorders: tooth hypoplasia

    Metabolism and Nutrition Disorders: tumor lysis syndrome

    Vascular Disorders: thrombotic microangiopathy (TMA)

    Infections and Infestations: severe bacterial, viral (e.g., cytomegalovirus viremia) and fungal infections; and sepsis.

    6.3 Oral Busulfan Literature Review

    A literature review identified four randomized, controlled trials that evaluated a high-dose oral busulfan-containing conditioning regimen for allogeneic bone marrow transplantation in the setting of CML [see Clinical Studies (14)] . The safety outcomes reported in those trials are summarized in Table 2 below for a mixed population of hematological malignancies (AML, CML, and ALL).

    Table 2: Summary of safety analyses from the randomized, controlled trials utilizing a high dose oral busulfan-containing conditioning regimen that were identified in a literature review.

    1. TRM = Transplantation Related Mortality

    2. VOD = Veno-Occlusive Disease of the liver

    3. GVHD = Graft versus Host Disease

    Clift

    CML Chronic Phase

    TRM 1

    VOD 2

    GVHD 3

    Pulmonary

    Hemorrhagic

    Seizure

    Cystitis

    Death

    No Report

    Acute≥Grade 2

    1 death from

    No Report

    No Report

    ≤100d

    =35%

    Idiopathic

    =4.1%

    Chronic=41%

    Interstitial

    (3/73)

    (30/73)

    Pneumonitis

    And

    1 death from

    Pulmonary

    Fibrosis

    Devergie

    CML Chronic Phase

    TRM

    VOD

    GVHD

    Pulmonary

    Hemorrhagic

    Seizure

    Cystitis

    38%

    7.7% (5/65)

    Acute≥Grade 2

    Interstitial

    10.8% (7/65)

    No Report

    Deaths=4.6%

    =41%

    Pneumonitis=

    (3/65)

    (24/59 at risk)

    16.9% (11/65)

    Ringden

    CML, AML, ALL

    TRM

    VOD

    GVHD

    Pulmonary

    Hemorrhagic

    Seizure

    Cystitis

    28%

    12%

    Acute≥Grade 2

    Interstitial

    24%

    6%

    GVHD=26%

    Pneumonitis

    Chronic GVHD

    =14%

    =45%

    Blume

    CML, AML, ALL

    TRM

    VOD

    GVHD

    Pulmonary

    Hemorrhagic

    Seizure

    Cystitis

    No Report

    Deaths

    Acute≥Grade 2

    No Report

    No Report

    No Report

    =4.9%

    GVHD=22%

    (13/58 at risk)

    Chronic GVHD

    =31%

    (14/45 at risk)

  • 7 DRUG INTERACTIONS

    7.1 Drugs that Decrease Busulfan Injection Clearance

    Itraconazole decreases busulfan clearance by up to 25%. Metronidazole decreases the clearance of busulfan to a greater extent than does itraconazole; metronidazole coadministration has been associated with increased busulfan toxicity. Fluconazole (200 mg) has been used with Busulfan Injection.

    Decreased clearance of busulfan was observed with concomitant use with deferasirox. The mechanism of this interaction is not fully elucidated. Discontinue iron chelating agents well in advance of administration of Busulfan Injection to avoid increased exposure to busulfan.

    Because busulfan is eliminated from the body via conjugation with glutathione, use of acetaminophen prior to (less than 72 hours) or concurrent with Busulfan Injection may result in reduced busulfan clearance based upon the known property of acetaminophen to decrease glutathione levels in the blood and tissues.

    7.2 Drugs that Increase Busulfan Injection Clearance

    Phenytoin increases the clearance of busulfan by 15% or more, possibly due to the induction of glutathione-S-transferase. Since the pharmacokinetics of Busulfan Injection were studied in patients treated with phenytoin, the clearance of Busulfan Injection at the recommended dose may be lower and exposure (AUC) higher in patients not treated with phenytoin.

  • 8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    Risk Summary

    Busulfan Injection can cause fetal harm when administered to a pregnant woman based on animal data. Busulfan was teratogenic in mice, rats, and rabbits following administration during organogenesis. The solvent, DMA, may also cause fetal harm when administered to a pregnant woman. In rats, DMA doses of approximately 40% of the daily dose of DMA in the Busulfan dose on a mg/m 2basis given during organogenesis caused significant developmental anomalies ( see Data). There are no available human data informing the drug-associated risk. Advise pregnant women of the potential risk to a fetus.

    The background risk of major birth defects and miscarriage for the indicated populations are unknown. However, the background risk in the U.S. general population of major birth defects is 2-4% and of miscarriage is 15-20% of clinically recognized pregnancies.

    Animal Data

    Following administration during organogenesis in animals, busulfan caused malformations and anomalies, including significant alterations in the musculoskeletal system, body weight gain, and size. In pregnant rats, busulfan produced sterility in both male and female offspring due to the absence of germinal cells in the testes and ovaries. The solvent, DMA, administered to rats at doses of 400 mg/kg/day (about 40% of the daily dose of N,N-dimethylacetamide (DMA) in the Busulfan Injection dose on a mg/m 2basis) during organogenesis caused significant developmental anomalies. The most striking abnormalities included anasarca, cleft palate, vertebral anomalies, rib anomalies, and serious anomalies of the vessels of the heart.

    8.2 Lactation

    Risk Summary

    It is not known whether Busulfan Injection is present in human milk. Because many drugs are excreted in human milk and because of the potential for tumorigenicity shown for busulfan in human and animal studies, discontinue breastfeeding during treatment with Busulfan Injection.

    8.3 Females and Males of Reproductive Potential

    Contraception

    Females

    Busulfan Injection can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1)] . Advise females of reproductive potential to use effective contraception during treatment with Busulfan Injection and for 6 months following cessation of therapy.

    Males

    Busulfan Injection may damage spermatozoa and testicular tissue, resulting in possible genetic fetal abnormalities. Males with female sexual partners of reproductive potential should use effective contraception during treatment with Busulfan Injection and for 3 months after cessation of therapy [see Nonclinical Toxicology (13.1)].

    Infertility

    Females

    Ovarian suppression and amenorrhea commonly occur in premenopausal women undergoing chronic, low-dose busulfan therapy for chronic myelogenous leukemia. Busulfan Injection may cause temporary or permanent infertility in prepubertal girls or in females of child-bearing potential treated with high-dose Busulfan Injection in the conditioning regimen prior to allogeneic hematopoietic progenitor cell transplantation.

    Males

    Sterility, azoospermia, and testicular atrophy have been reported in male patients.

    8.4 Pediatric Use

    The effectiveness of Busulfan Injection in the treatment of CML has not been specifically studied in pediatric patients. An open-label, uncontrolled study evaluated the pharmacokinetics of Busulfan Injection in 24 pediatric patients receiving Busulfan Injection as part of a conditioning regimen administered prior to hematopoietic progenitor cell transplantation for a variety of malignant hematologic (N=15) or non-malignant diseases (N=9). Patients ranged in age from 5 months to 16 years (median 3 years). Busulfan Injection dosing was targeted to achieve an area under the plasma concentration curve (AUC) of 900-1350 µM•min with an initial dose of 0.8 mg per kg or 1.0 mg per kg (based on Actual Body Weight (ABW)) if the patient was greater than 4 or less than or equal to 4 years, respectively. The dose was adjusted based on plasma concentration after completion of dose 1.

    Patients received Busulfan Injection doses every six hours as a two-hour infusion over four days for a total of 16 doses, followed by cyclophosphamide 50 mg per kg once daily for four days. After one rest day, hematopoietic progenitor cells were infused. All patients received phenytoin as seizure prophylaxis. The target AUC (900-1350±5% µM•min) for Busulfan Injection was achieved at dose 1 in 71% (17/24) of patients. Steady state pharmacokinetic testing was performed at dose 9 and 13. Busulfan Injection levels were within the target range for 21 of 23 evaluable patients.

    All 24 patients experienced neutropenia (absolute neutrophil count (ANC) less than 0.5x10 9/L) and thrombocytopenia (platelet transfusions or platelet count less than 20,000/mm 3). Seventy-nine percent (19/24) of patients experienced lymphopenia (absolute lymphocyte count less than 0.1x10 9). In 23 patients, the ANC recovered to greater than 0.5x10 9/L (median time to recovery = BMT day +13; range = BMT day +9 to +22). One patient who died on day +20 had not recovered to an ANC >0.5x10 9/L.

    Four (17%) patients died during the study. Two patients died within 28 days of transplant; one with pneumonia and capillary leak syndrome, and the other with pneumonia and veno-occlusive disease. Two patients died prior to day 100; one due to progressive disease and one due to multi-organ failure.

    Adverse reactions were reported in all 24 patients during the study period (BMT day -10 through BMT day +28) or post-study surveillance period (day +29 through +100). These included vomiting (100%), nausea (83%), stomatitis (79%), HVOD (21%), graft-versus host disease (GVHD) (25%), and pneumonia (21%).

    Based on the results of this 24-patient clinical trial, a suggested dosing regimen of Busulfan Injection in pediatric patients is shown in the following dosing nomogram:

    Busulfan Injection Dosing Nomogram

    Patient’s Actual Body Weight (ABW)

    Busulfan Injection Dosage

    less than or equal to 12 kgs

    1.1 (mg per kg)

    greater than 12 kgs

    0.8 (mg per kg)

    Simulations based on a pediatric population pharmacokinetic model indicate that approximately 60% of pediatric patients will achieve a target Busulfan Injection exposure (AUC) between 900 to 1350 µM•min with the first dose of Busulfan Injection using this dosing nomogram. Therapeutic drug monitoring and dose adjustment following the first dose of Busulfan Injection is recommended.

    Dose Adjustment Based on Therapeutic Drug Monitoring

    Instructions for measuring the AUC of busulfan at dose 1 (see Blood Sample Collection for AUC Determination) and the formula for adjustment of subsequent doses to achieve the desired target AUC (1125 µM•min), are provided below.

    Adjusted dose (mg) = Actual Dose (mg) x Target AUC (µM•min)/Actual AUC (µM•min)

    For example, if a patient received a dose of 11 mg busulfan and if the corresponding AUC measured was 800 µM•min, for a target AUC of 1125 µM•min, the target mg dose would be:

    Mg dose =11 mg x 1125 µM•min /800 µM•min =15.5 mg

    Busulfan Injection dose adjustment may be made using this formula and instructions below.

    Blood Sample Collection for AUC Determination

    Calculate the AUC (µM•min) based on blood samples collected at the following time points:

    For dose 1:2 hr (end of infusion), 4 hr and 6 hr (immediately prior to the next scheduled Busulfan Injection administration). Actual sampling times should be recorded.

    For doses other than dose 1: Pre-infusion (baseline), 2 hr (end of infusion), 4 hr and 6 hr (immediately prior to the next scheduled Busulfan Injection administration).

    AUC calculations based on fewer than the three specified samples may result in inaccurate AUC determinations.

    For each scheduled blood sample, collect one to three mL of blood into heparinized (Na or Li heparin) Vacutainer® tubes. The blood samples should be placed on wet ice immediately after collection and should be centrifuged (at 4°C) within one hour. The plasma, harvested into appropriate cryovial storage tubes, is to be frozen immediately at -20°C. All plasma samples are to be sent in a frozen state (i.e., on dry ice) to the assay laboratory for the determination of plasma busulfan concentrations.

    Calculation of AUC

    Busulfan Injection AUC calculations may be made using the following instructions and appropriate standard pharmacokinetic formula:

    • Dose 1 AUC infinityCalculation: AUC infinity= AUC 0-6hr+AUC extrapolated, where AUC 0-6hris to be estimated using the linear trapezoidal rule and AUC extrapolated can be computed by taking the ratio of the busulfan concentration at Hour 6 and the terminal elimination rate constant, λ z. The λ zmust be calculated from the terminal elimination phase of the busulfan concentration vs. time curve. A “0” pre-dose busulfan concentration should be assumed, and used in the calculation of AUC.

    If the AUC is assessed subsequent to Dose 1, steady-state AUC ss(AUC 0-6hr) is to be estimated from the trough, 2 hr, 4 hr and 6 hr concentrations using the linear trapezoidal rule

    Instructions for Drug Administration and Blood Sample Collection for Therapeutic Drug Monitoring

    Use an administration set with minimal residual hold up (priming) volume (1 to 3 mL) for drug infusion to ensure accurate delivery of the entire prescribed dose and to ensure accurate collection of blood samples for therapeutic drug monitoring and dose adjustment.

    Prime the administration set tubing with drug solution to allow accurate documentation of the start time of Busulfan Injection infusion. Collect the blood sample from a peripheral IV line to avoid contamination with infusing drug. If the blood sample is taken directly from the existing central venous catheter (CVC), DO NOT COLLECT THE BLOOD SAMPLE WHILE THE DRUG IS INFUSINGto ensure that the end of infusion sample is not contaminated with any residual drug. At the end of infusion (2 hr), disconnect the administration tubing and flush the CVC line with 5 mL of normal saline prior to the collection of the end of infusion sample from the CVC port. Collect the blood samples from a different port than that used for the Busulfan Injection infusion. When recording the Busulfan Injection infusion stop time, do not include the time required to flush the indwelling catheter line. Discard the administration tubing at the end of the two-hour infusion [see Dosage and Administration (2.3)].

    8.5 Geriatric Use

    Clinical studies of Busulfan Injection did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects.

  • 10 OVERDOSAGE

    There is no known antidote to Busulfan Injection other than hematopoietic progenitor cell transplantation. In the absence of hematopoietic progenitor cell transplantation, the recommended dosage for Busulfan Injection would constitute an overdose of busulfan. The principal toxic effect is profound bone marrow hypoplasia/aplasia and pancytopenia, but the central nervous system, liver, lungs, and gastrointestinal tract may be affected. Monitor hematologic status closely and institute vigorous supportive measures as medically indicated. Survival after a single 140 mg dose of Myleran® Tablets in an 18 kg, 4-year old child has been reported. Inadvertent administration of a greater than normal dose of oral busulfan (2.1 mg per kg; total dose of 23.3 mg per kg) occurred in a 2-year old child prior to a scheduled bone marrow transplant without sequelae. An acute dose of 2.4 g was fatal in a 10-year old boy. There is one report that busulfan is dialyzable, thus dialysis should be considered in the case of overdose.

  • 11 DESCRIPTION

    Busulfan is a bifunctional alkylating agent known chemically as 1,4-butanediol, dimethanesulfonate. The molecular formula of busulfan is CH 3SO 2O(CH 2) 4OSO 2CH 3with a molecular weight of 246 g/mole. Busulfan has the following chemical structure:

    chemical structure

    Busulfan Injection is supplied as a clear, colorless, sterile, solution in 10 mL single-dose vials for intravenous administration upon dilution. Each vial contains 60 mg of busulfan in N,N-dimethylacetamide (DMA), 3.3 mL and Polyethylene Glycol 400, NF 6.7 mL. The solubility of busulfan in water is 0.1 g per L and the pH of Busulfan Injection diluted to approximately 0.5 mg per mL busulfan in 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP as recommended for infusion reflects the pH of the diluent used and ranges from 3.5 to 5.5.

  • 12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    Busulfan is a bifunctional alkylating agent in which two labile methanesulfonate groups are attached to opposite ends of a four-carbon alkyl chain. In aqueous media, busulfan hydrolyzes to release the methanesulfonate groups. This produces reactive carbonium ions that can alkylate DNA. DNA damage is thought to be responsible for much of the cytotoxicity of busulfan.

    12.3 Pharmacokinetics

    The pharmacokinetics of Busulfan Injection were studied in 59 patients participating in a prospective trial of a Busulfan Injection-cyclophosphamide preparatory regimen prior to allogeneic hematopoietic progenitor stem cell transplantation. Patients received 0.8 mg/kg Busulfan Injection every six hours, for a total of 16 doses over four days. Fifty-five of fifty-nine patients (93%) administered Busulfan Injection maintained AUC values below the target value (less than1500 μM•min).

    Table 3: Steady State Pharmacokinetic Parameters Following Busulfan Injection Infusion (0.8 mg per kg; N=59)

    1. Clearance normalized to actual body weight for all patients.

    Mean

    CV (%)

    Range

    C max(ng per mL)

    1222

    18

    496-1684

    AUC (µM•min)

    1167

    20

    556-1673

    CL (mL per min per kg) 1

    2.52

    25

    1.49-4.31

    Busulfan Injection pharmacokinetics showed consistency between dose 9 and dose 13 as demonstrated by reproducibility of steady state C maxand a low coefficient of variation for this parameter.

    Distribution:Busulfan achieves concentrations in the cerebrospinal fluid approximately equal to those in plasma. Busulfan primarily binds to albumin (Mean ± standard deviation=32.4 ± 2.2%).

    Metabolism:Busulfan is predominantly metabolized by conjugation with glutathione, both spontaneously and by glutathione S-transferase (GST) catalysis. This conjugate undergoes extensive oxidative metabolism in the liver.

    Excretion:Following administration of 14C-labeled busulfan to humans, approximately 30% of the radioactivity was excreted into the urine over 48 hours; negligible amounts were recovered in feces.

    Specific Populations

    Pediatric Patients:In a pharmacokinetic study of Busulfan Injection in 24 pediatric patients, the population pharmacokinetic (PPK) estimates of Busulfan Injection for clearance (CL) and volume of distribution (V) were determined. For actual body weight, PPK estimates of CL and V were 4.04 L/hr per 20 kg (3.37 mL per min per kg; interpatient variability 23%); and 12.8 L per 20 kg (0.64 L per kg; interpatient variability 11%).

  • 13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

    Busulfan is a mutagen and a clastogen. In in vitrotests it caused mutations in Salmonella typhimuriumand Drosophila melanogaster. Chromosomal aberrations induced by busulfan have been reported in vivo(rats, mice, hamsters, and humans) and in vitro(rodent and human cells). The intravenous administration of busulfan (48 mg/kg given as biweekly doses of 12 mg/kg, or 30% of the total Busulfan Injection dose on a mg/m 2basis) has been shown to increase the incidence of thymic and ovarian tumors in mice.

    Busulfan depleted oocytes of female rats and induced sterility in male rats and hamsters. The solvent DMA may also impair fertility. A DMA daily dose of 0.45 g/kg/day given to rats for nine days (equivalent to 44% of the daily dose of DMA contained in the recommended dose of Busulfan Injection on a mg/m 2basis) significantly decreased spermatogenesis in rats. A single subcutaneous dose of 2.2 g/kg (27% of the total DMA dose contained in Busulfan Injection on a mg/m 2basis) four days after insemination terminated pregnancy in 100% of tested hamsters [see Use in Specific Populations (8.3)] .

  • 14 CLINICAL STUDIES

    Documentation of the safety and efficacy of busulfan as a component of a conditioning regimen prior to allogeneic hematopoietic progenitor cell reconstitution is derived from two sources:

    i) analysis of a prospective clinical trial of Busulfan Injection that involved 61 patients diagnosed with various hematologic malignancies, and

    ii) the published reports of randomized, controlled trials that employed high-dose oral busulfan as a component of a conditioning regimen for transplantation, which were identified in a literature review of five established commercial databases.

    Prospective Clinical Trial of Busulfan Injection:The prospective trial was a single-arm, open-label study in 61 patients who received Busulfan Injection as part of a conditioning regimen for allogeneic hematopoietic stem cell transplantation. The study included patients with acute leukemia past first remission (first or subsequent relapse), with high-risk first remission, or with induction failure; chronic myelogenous leukemia (CML) in chronic phase, accelerated phase, or blast crisis; primary refractory or resistant relapsed Hodgkin’s disease or non-Hodgkin’s lymphoma; and myelodysplastic syndrome. Forty-eight percent of patients (29/61) were heavily pretreated, defined as having at least one of the following: prior radiation, greater than or equal to 3 prior chemotherapeutic regimens, or prior hematopoietic stem cell transplant. Seventy-five percent of patients (46/61) were transplanted with active disease.

    Patients received 16 Busulfan Injection doses of 0.8 mg per kg every 6 hours as a two-hour infusion for 4 days, followed by cyclophosphamide 60 mg per kg once per day for two days (BuCy2 regimen). All patients received 100% of their scheduled Busulfan Injection regimen. No dose adjustments were made. After one rest day, allogeneic hematopoietic progenitor cells were infused. The efficacy parameters in this study were myeloablation (defined as one or more of the following: absolute neutrophil count [ANC] less than 0.5x10 9/L, absolute lymphocyte count [ALC] less than 0.1x10 9/L, thrombocytopenia defined as a platelet count less than 20,000/mm 3or a platelet transfusion requirement) and engraftment (ANC greater than or equal to 0.5x10 9/L).

    All patients (61/61) experienced myeloablation. The median time to neutropenia was 4 days. All evaluable patients (60/60) engrafted at a median of 13 days post-transplant (range 9 to 29 days); one patient was considered non-evaluable because he died of a fungal pneumonia 20 days after BMT and before engraftment occurred. All but 13 of the patients were treated with prophylactic G-CSF. Evidence of donor cell engraftment and chimerism was documented in all patients who had a chromosomal sex marker or leukemic marker (43/43), and no patient with chimeric evidence of allogeneic engraftment suffered a later loss of the allogeneic graft. There were no reports of graft failure in the overall study population. The median number of platelet transfusions per patient was 6, and the median number of red blood cell transfusions per patient was 4.

    Twenty-three patients (38%) relapsed at a median of 183 days post-transplant (range 36 to 406 days). Sixty-two percent of patients (38/61) were free from disease with a median follow-up of 269 days post-transplant (range 20 to 583 days). Forty-three patients (70%) were alive with a median follow up of 288 days post-transplant (range 51 to 583 days). There were two deaths before BMT Day +28 and six additional patients died by BMT Day +100. Ten patients (16%) died after BMT Day +100, at a median of 199 days post-transplant (range 113 to 275 days).

    Oral Busulfan Literature Review:Four publications of randomized, controlled trials that evaluated a high-dose oral busulfan-containing conditioning regimen (busulfan 4 mg/kg/d x4 days + cyclophosphamide 60 mg/kg/d x2 days) for allogeneic transplantation in the setting of CML were identified. Two of the studies (Clift and Devergie) had populations confined to CML in chronic phase that were randomized between conditioning with busulfan/cyclophosphamide (BU/CY) and cyclophosphamide/total body irradiation (CY/TBI). A total of 138 patients were treated with BU/CY in these studies. The populations of the two remaining studies (Ringden and Blume) included patients with CML, acute lymphoblastic leukemia (ALL), and acute myelogenous leukemia (AML). In the Nordic BMT Group study published by Ringden, et al., 57 patients had CML, and of those, 30 were treated with BU/CY. Patients with CML in chronic phase, accelerated phase, and blast crisis were eligible for this study. The participants with CML (34/122 patients) in a SWOG study published by Blume, et al., had disease beyond first chronic phase. Twenty of those CML patients were treated with BU/CY, and the TBI comparator arm utilized etoposide instead of cyclophosphamide.

    Table 4 summarizes the efficacy analyses reported from these 4 studies.

    Table 4: Summary of efficacy analyses from the randomized, controlled trials utilizing a high dose oral busulfan-containing conditioning regimen identified in a literature review.
    1. Eto = etoposide. TBI was combined with etoposide in the comparator arm of this study.

    Clift, 1994

    CML Chronic Phase;

    3 year Overall

    3 year DFS

    Relapse

    Time to Engraftment

    Survival

    (p=0.43)

    (ANC greater than or equal to 500)

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    80%

    80%

    71%

    68%

    13%

    13%

    22.6 days

    22.3 days

    Devergie, 1995

    CML Chronic Phase;

    5 year Overall Survival

    5 year DFS (p=0.75)

    Relapse (Relative Risk analysis

    Time to Engraftment (ANC greater than or equal to 500)

    (p=0.5)

    BU/CY:CY/TBI)

    (p=0.04)

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    60.6%

    65.8%

    59.1%

    51.0%

    4.10

    None

    None

    ±11.7%

    ±12.5%

    ±11.8%

    ±14%

    (95%CI =1.00-20.28)

    Given

    Given

    Ringden, 1994

    CML, AML, ALL;

    3 year Overall

    3 year Relapse Free

    Relapse

    Time to Engraftment

    Survival

    Survival

    (p=0.9)

    (ANC greater than 500)

    (p<0.03)

    (p=0.065)

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    BU/CY

    CY/TBI

    62%

    76%

    56%

    67%

    22%

    26%

    20 days

    20 days

    Blume, 19931

    CML, AML, ALL; Relative Risk Analysis BU/CY: Etoposide/TBI

    RR of Mortality

    DFS

    RR of Relapse

    Time to Engraftment

    (Relative Risk analysis

    BU/CY:Eto/TBI)

    BU/CY

    Eto/TBI

    BU/CY

    Eto/TBI

    BU/CY

    Eto/TBI

    BU/CY

    Eto/TBI

    0.97

    Not Given

    1.02

    Not Given

    (95% CI=0.64-1.48)

    (95% CI=0.56-1.86)

    BU = Busulfan

    CY = Cyclophosphamide

    TBI = Total Body Irradiation

    DFS = Disease Free Survival

    ANC = Absolute Neutrophil Count

  • 15 REFERENCES

    1. OSHA Hazardous Drugs. OSHA. [Accessed on June 18, 2014 from http://www.osha.gov/SLTC/hazardousdrugs/index.html]

  • 16 HOW SUPPLIED/STORAGE AND HANDLING

    16.1 How Supplied

    Busulfan Injection is packaged as a sterile solution in 10 mL single-dose clear glass vials, NDC 16729-351-03.

    Busulfan Injection is distributed as a unit carton of eight vials NDC 16729-351-92.

    16.2 Storage and Handling

    Unopened vials of Busulfan Injection must be stored under refrigerated conditions between 2°C to 8°C (36°F to 46°F). Discard unused portion.

    Busulfan Injection diluted in 0.9% Sodium Chloride Injection, USP or 5% Dextrose Injection, USP is stable at room temperature (25°C) for up to 8 hours but the infusion must be completed within that time.

    Busulfan Injection diluted in 0.9% Sodium Chloride Injection, USP is stable at refrigerated conditions (2°C to 8°C) for up to 12 hours but the infusion must be completed within that time.

    Busulfan Injection is a cytotoxic drug. Follow applicable special handling and disposal procedures 1.

  • 17 PATIENT COUNSELING INFORMATION

    Myelosuppression

    Advise patients of the possibility of developing low blood cell counts and the need for hematopoietic progenitor cell infusion. Instruct patients to immediately report to their healthcare provider if fever develops [seeWarnings and Precautions (5.1)].

    Seizures

    Advise patients of the possibility of seizures and that they will be given medication to prevent them. Patients should be asked to report a history of seizure or head trauma [seeWarnings and Precautions (5.2)].

    Hepatic Veno-Occlusive Disease (HVOD)

    Advise patients of the risks associated with the use of Busulfan Injection as well as the plan for regular blood monitoring during therapy. Specifically inform patients of the following: The risk of veno-occlusive liver disease [seeWarnings and Precautions (5.3)].

    Embryo-fetal Toxicity

    Advise females of reproductive potential of the potential risk to a fetus and to inform their healthcare provider with a known or suspected pregnancy [seeWarnings and Precautions (5.4)and Use in Specific Populations (8.1)].

    Females of Reproductive Potential

    Advise females of reproductive potential to use effective contraception during treatment with Busulfan Injection and for 6 months following cessation of therapy [seeUse in Specific Populations (8.3)].

    Males of Reproductive Potential

    Advise males with female sexual partners of reproductive potential to use effective contraception during treatment with Busulfan Injection and for 3 months following cessation of therapy [seeUse in Specific Populations (8.3)]

    Lactation

    Advise females to discontinue breastfeeding during treatment with Busulfan Injection [seeUse in Specific Populations (8.2)].

    Infertility

    Advise females and males of reproductive potential that Busulfan Injection may cause temporary or permanent infertility [seeUse in Specific Populations (8.3)].

    Cardiac Tamponade

    Advise patients of the risk of cardiac tamponade. Instruct patients to report to their healthcare provider symptoms of abdominal pain and vomiting [seeWarnings and Precautions (5.5)].

    Bronchopulmonary Dysplasia

    Advise patients of the possibility of bronchopulmonary dysplasia with pulmonary fibrosis with chronic Busulfan Injection therapy. Instruct patients to report symptoms of shortness of breath and cough to their healthcare provider. These symptoms could occur several months or years after therapy with Busulfan Injection [seeWarnings and Precautions (5.6)].

    Manufactured for:
    Accord Healthcare, Inc.,
    8041 Arco Corporate Drive,
    Suite 200,
    Raleigh, NC 27617,
    USA.

    Manufactured by:
    Intas Pharmaceuticals Limited,
    Plot No.: 457, 458,
    Village – Matoda,
    Bavla Road, Ta.- Sanand,
    Dist.- Ahmedabad – 382 210,
    INDIA.


    Issued October 2023
    10 0114 2 6026246

  • PRINCIPAL DISPLAY PANEL - 60 mg/10 mL Vial Label

    10 mL Vial Label
  • PRINCIPAL DISPLAY PANEL - 60 mg/10 mL Vial Carton

    Carton Label for Eight Vial
  • PRINCIPAL DISPLAY PANEL - 60 mg/10 mL Carton Label for Eight Vial

    Carton Label for One Vial
  • INGREDIENTS AND APPEARANCE
    BUSULFAN 
    busulfan injection
    Product Information
    Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC:16729-351
    Route of AdministrationINTRAVENOUS
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    BUSULFAN (UNII: G1LN9045DK) (BUSULFAN - UNII:G1LN9045DK) BUSULFAN6 mg  in 1 mL
    Inactive Ingredients
    Ingredient NameStrength
    N,N-DIMETHYLACETAMIDE (UNII: JCV5VDB3HY)  
    POLYETHYLENE GLYCOL 400 (UNII: B697894SGQ)  
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:16729-351-928 in 1 CARTON07/22/2019
    1NDC:16729-351-0310 mL in 1 VIAL, SINGLE-DOSE; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    ANDAANDA21014807/22/2019
    Labeler - Accord Healthcare, Inc (604222237)
    Establishment
    NameAddressID/FEIBusiness Operations
    Intas Pharmaceuticals Limited725927649manufacture(16729-351) , analysis(16729-351)