Label: TOPOSAR- etoposide injection, solution, concentrate
- NDC Code(s): 0703-5653-01, 0703-5656-01, 0703-5657-01
- Packager: Teva Parenteral Medicines, Inc.
- Category: HUMAN PRESCRIPTION DRUG LABEL
Drug Label Information
Updated April 30, 2017
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Toposar® (etoposide injection USP) (also commonly known as VP-16) is a semisynthetic derivative of podophyllotoxin used in the treatment of certain neoplastic diseases. It is 4'-demethylepipodophyllotoxin 9-[4,6-0-(R)-ethylidene-β-D-glucopyranoside]. It is very soluble in methanol and chloroform, slightly soluble in ethanol, and sparingly soluble in water and ether. It is made more miscible with water by means of organic solvents.
Toposar (etoposide injection USP) is available for intravenous use as a sterile 20 mg/mL solution in 100 mg (5 mL), 500 mg (25 mL), or 1 g (50 mL) sterile, multiple dose vials. The pH of the clear, yellow liquid is 3.0 to 4.0.
Each mL contains: 20 mg etoposide, USP, 2 mg citric acid anhydrous, 80 mg polysorbate 80, 650 mg polyethylene glycol 300 (57.5% v/v and 65.0% w/v), and 262 mg dehydrated alcohol (33.2% v/v and 26.2% w/v).
The structural formula is:
C29H32O13 M.W. 588.56
Toposar has been shown to cause metaphase arrest in chick fibroblasts. Its main effect, however, appears to be at the G2 portion of the cell cycle in mammalian cells. Two different dose-dependent responses are seen. At high concentrations (10 mcg/mL or more), lysis of cells entering mitosis is observed. At low concentrations (0.3 to 10 mcg/mL), cells are inhibited from entering prophase. It does not interfere with microtubular assembly. The predominant macromolecular effect of etoposide appears to be the induction of DNA strand breaks by an interaction with DNA topoisomerase II or the formation of free radicals.
On intravenous administration, the disposition of etoposide is best described as a biphasic process with a distribution half-life of about 1.5 hours and terminal elimination half-life ranging from 4 to 11 hours. Total body clearance values range from 33 to 48 mL/min or 16 to 36 mL/min/m2 and, like the terminal elimination half-life, are independent of dose over a range 100 to 600 mg/m2. Over the same dose range, the areas under the plasma concentration vs time curves (AUC) and the maximum plasma concentration (Cmax) values increase linearly with dose. Etoposide does not accumulate in the plasma following daily administration of 100 mg/m2 for 4 to 5 days.
The mean volumes of distribution at steady state fall in the range of 18 to 29 liters or 7 to 17 L/m2. Etoposide enters the CSF poorly. Although it is detectable in CSF and intracerebral tumors, the concentrations are lower than in extracerebral tumors and in plasma. Etoposide concentrations are higher in normal lung than in lung metastases and are similar in primary tumors and normal tissues of the myometrium. In vitro, etoposide is highly protein bound (97%) to human plasma proteins. An inverse relationship between plasma albumin levels and etoposide renal clearance is found in children. In a study determining the effect of other therapeutic agents on the in vitro binding of carbon-14 labeled etoposide to human serum proteins, only phenylbutazone, sodium salicylate, and aspirin displaced protein-bound etoposide at concentrations achieved in vivo.
Etoposide binding ratio correlates directly with serum albumin in patients with cancer and in normal volunteers. The unbound fraction of etoposide significantly correlated with bilirubin in a population of cancer patients. Data have suggested a significant inverse correlation between serum albumin concentration and free fraction of etoposide (see PRECAUTIONS section).
After intravenous administration of 14C-etoposide (100 to 124 mg/m2), mean recovery of radioactivity in the urine was 56% of the dose at 120 hours, 45% of which was excreted as etoposide; fecal recovery of radioactivity was 44% of the dose at 120 hours.
In children, approximately 55% of the dose is excreted in the urine as etoposide in 24 hours. The mean renal clearance of etoposide is 7 to 10 mL/min/m2 or about 35% of the total body clearance over a dose range of 80 to 600 mg/m2. Etoposide, therefore, is cleared by both renal and nonrenal processes, i.e., metabolism and biliary excretion. The effect of renal disease on plasma etoposide clearance is not known.
Biliary excretion of unchanged drug and/or metabolites is an important route of etoposide elimination as fecal recovery of radioactivity is 44% of the intravenous dose. The hydroxy acid metabolite [4'-demethylepipodophyllic acid-9-(4,6-O-(R)-ethylidene-β-D-glucopyranoside)], formed by opening of the lactone ring, is found in the urine of adults and children. It is also present in human plasma, presumably as the trans isomer. Glucuronide and/or sulfate conjugates of etoposide are also excreted in human urine. Only 8% or less of an intravenous dose is excreted in the urine as radiolabeled metabolites of 14C-etoposide. In addition, O-demethylation of the dimethoxyphenol ring occurs through the CYP450 3A4 isoenzyme pathway to produce the corresponding catechol.
After either intravenous infusion or oral capsule administration, the Cmax and AUC values exhibit marked intra- and inter-subject variability.
In adults, the total body clearance of etoposide is correlated with creatinine clearance, serum albumin concentration, and nonrenal clearance. Patients with impaired renal function receiving etoposide have exhibited reduced total body clearance, increased AUC and a lower volume of distribution at steady state (see PRECAUTIONS section). Use of cisplatin therapy is associated with reduced total body clearance. In children, elevated serum SGPT levels are associated with reduced drug total body clearance. Prior use of cisplatin may also result in a decrease of etoposide total body clearance in children.
Although some minor differences in pharmacokinetic parameters between age and gender have been observed, these differences were not considered clinically significant.
INDICATIONS AND USAGE
Toposar (etoposide injection) is indicated in the management of the following neoplasms:
Refractory Testicular Tumors
Toposar (etoposide injection) in combination therapy with other approved chemotherapeutic agents in patients with refractory testicular tumors who have already received appropriate surgical, chemotherapeutic, and radiotherapeutic therapy.
Patients being treated with Toposar must be frequently observed for myelosuppression both during and after therapy. Myelosuppression resulting in death has been reported. Dose-limiting bone marrow suppression is the most significant toxicity associated with Toposar therapy. Therefore, the following studies should be obtained at the start of therapy and prior to each subsequent cycle of Toposar: platelet count, hemoglobin, white blood cell count, and differential. The occurrence of a platelet count below 50,000/mm3 or an absolute neutrophil count below 500/mm3 is an indication to withhold further therapy until the blood counts have sufficiently recovered.
Physicians should be aware of the possible occurrence of an anaphylactic reaction manifested by chills, fever, tachycardia, bronchospasm, dyspnea, and hypotension. Higher rates of anaphylactic-like reactions have been reported in children who received infusions at concentrations higher than those recommended. The role that concentration of infusion (or rate of infusion) plays in the development of anaphylactic-like reactions is uncertain (see ADVERSE REACTIONS section). Treatment is symptomatic. The infusion should be terminated immediately, followed by the administration of pressor agents, corticosteroids, antihistamines, or volume expanders at the discretion of the physician.
For parenteral administration, Toposar should be given only by slow intravenous infusion (usually over a 30- to 60-minute period) since hypotension has been reported as a possible side effect of rapid intravenous injection.
Toposar can cause fetal harm when administered to a pregnant woman. Etoposide has been shown to be teratogenic in mice and rats.
In rats, an intravenous etoposide dose of 0.4 mg/kg/day (about 1/20th of the human dose on a mg/m2 basis) during organogenesis caused maternal toxicity, embryotoxicity, and teratogenicity (skeletal abnormalities, exencephaly, encephalocele, and anophthalmia); higher doses of 1.2 and 3.6 mg/kg/day (about 1/7th and 1/2 of human dose on a mg/m2 basis) resulted in 90 and 100% embryonic resorptions. In mice, a single 1 mg/kg (1/16th of human dose on a mg/m2 basis) dose of etoposide administered intraperitoneally on days 6, 7, or 8 of gestation caused embryotoxicity, cranial abnormalities, and major skeletal malformations. An I.P. dose of 1.5 mg/kg (about 1/10th of human dose on a mg/m2 basis) on day 7 of gestation caused an increase in the incidence of intrauterine death and fetal malformations and a significant decrease in the average fetal body weight.
Women of childbearing potential should be advised to avoid becoming pregnant. If this drug is used during pregnancy, or if the patient becomes pregnant while receiving this drug, the patient should be warned of the potential hazard to the fetus.
Toposar should be considered a potential carcinogen in humans. The occurrence of acute leukemia with or without a preleukemic phase has been reported in rare instances in patients treated with etoposide alone or in association with other neoplastic agents. The risk of development of a preleukemic or leukemic syndrome is unclear. Carcinogenicity tests with Toposar have not been conducted in laboratory animals.
In all instances where the use of Toposar is considered for chemotherapy, the physician must evaluate the need and usefulness of the drug against the risk of adverse reactions. Most such adverse reactions are reversible if detected early. If severe reactions occur, the drug should be reduced in dosage or discontinued and appropriate corrective measures should be taken according to the clinical judgment of the physician. Reinstitution of Toposar therapy should be carried out with caution, and with adequate consideration of the further need for the drug and alertness as to possible recurrence of toxicity.
Patients with low serum albumin may be at an increased risk for etoposide associated toxicities.
High-dose cyclosporin A resulting in concentrations above 2000 ng/mL administered with oral etoposide has led to an 80% increase in etoposide exposure with a 38% decrease in total body clearance of etoposide compared to etoposide alone.
Periodic complete blood counts should be done during the course of Toposar treatment. They should be performed prior to each cycle of therapy and at appropriate intervals during and after therapy. At least one determination should be done prior to each dose of Toposar.
In patients with impaired renal function, the following initial dose modification should be considered based on measured creatinine clearance:
Measured Creatinine Clearance
15 to 50 mL/min
100% of dose
75% of dose
Subsequent Toposar dosing should be based on patient tolerance and clinical effect.
Data are not available in patients with creatinine clearances <15 mL/min and further dose reduction should be considered in these patients.
Carcinogenesis, Mutagenesis, Impairment of Fertility
(see WARNINGS section)
Etoposide has been shown to be mutagenic in Ames assay.
Treatment of Swiss-Albino mice with 1.5 mg/kg I.P. of Toposar on day 7 of gestation increased the incidence of intrauterine death and fetal malformations as well as significantly decreased the average fetal body weight. Maternal weight gain was not affected.
Irreversible testicular atrophy was present in rats treated with etoposide intravenously for 30 days at 0.5 mg/kg/day (about 1/16th of the human dose on a mg/m2 basis).
Pregnancy "Category D."
(See WARNINGS section.)
It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants from Toposar, 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.
Safety and effectiveness in pediatric patients have not been established.
Toposar contains polysorbate 80. In premature infants, a life-threatening syndrome consisting of liver and renal failure, pulmonary deterioration, thrombocytopenia, and ascites has been associated with an injectable vitamin E product containing polysorbate 80. Anaphylactic reactions have been reported in pediatric patients (see WARNINGS section).
Clinical studies of Toposar for the treatment of refractory testicular tumors did not include sufficient numbers of patients aged 65 years and over to determine whether they respond differently from younger patients. Of more than 600 patients in four clinical studies in the NDA databases who received Toposar or etoposide phosphate in combination with other chemotherapeutic agents for the treatment of small cell lung cancer (SCLC), about one third were older than 65 years. When advanced age was determined to be a prognostic factor for response or survival in these studies, comparisons between treatment groups were performed for the elderly subset. In the one study (etoposide in combination with cyclophosphamide and vincristine compared with cyclophosphamide and vincristine or cyclophosphamide, vincristine, and doxorubicin) where age was a significant prognostic factor for survival, a survival benefit for elderly patients was observed for the etoposide regimen compared with the control regimens. No differences in myelosuppression were seen between elderly and younger patients in these studies except for an increased frequency of WHO Grade III or IV leukopenia among elderly patients in a study of etoposide phosphate or etoposide in combination with cisplatin. Elderly patients in this study also had more anorexia, mucositis, dehydration, somnolence, and elevated BUN levels than younger patients.
In five single-agent studies of etoposide phosphate in patients with a variety of tumor types, 34% of patients were age 65 years or more. WHO Grade III or IV leukopenia, granulocytopenia, and asthenia were more frequent among elderly patients.
Postmarketing experience also suggests that elderly patients may be more sensitive to some of the known adverse effects of etoposide, including myelosuppression, gastrointestinal effects, infectious complications, and alopecia.
Although some minor differences in pharmacokinetic parameters between elderly and nonelderly patients have been observed, these differences were not considered clinically significant.
Etoposide and its metabolites are known to be substantially excreted by the kidney, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function (see PRECAUTIONS, Renal Impairment for recommended dosing adjustments in patients with renal impairment).
The following data on adverse reactions are based on both oral and intravenous administration of Toposar as a single agent, using several different dose schedules for treatment of a wide variety of malignancies.
Myelosuppression is dose related and dose limiting, with granulocyte nadirs occurring 7 to 14 days after drug administration and platelet nadirs occurring 9 to 16 days after drug administration. Bone marrow recovery is usually complete by day 20, and no cumulative toxicity has been reported. Fever and infection have also been reported in patients with neutropenia. Death associated with myelosuppression has been reported.
The occurrence of acute leukemia with or without a preleukemic phase has been reported rarely in patients treated with Toposar in association with other antineoplastic agents (see WARNINGS section).
Nausea and vomiting are the major gastrointestinal toxicities. The severity of such nausea and vomiting is generally mild to moderate with treatment discontinuation required in 1% of patients. Nausea and vomiting can usually be controlled with standard antiemetic therapy. Mild to severe mucositis/esophagitis may occur. Gastrointestinal toxicities are slightly more frequent after oral administration than after intravenous infusion.
Transient hypotension following rapid intravenous administration has been reported in 1% to 2% of patients. It has not been associated with cardiac toxicity or electrocardiographic changes. No delayed hypotension has been noted. To prevent this rare occurrence, it is recommended that Toposar be administered by slow intravenous infusion over a 30- to 60-minute period. If hypotension occurs, it usually responds to cessation of the infusion and administration of fluids or other supportive therapy as appropriate. When restarting the infusion, a slower administration rate should be used.
Anaphylactic-like reactions characterized by chills, fever, tachycardia, bronchospasm, dyspnea, and/or hypotension have been reported to occur in 0.7% to 2% of patients receiving intravenous Toposar and in less than 1% of the patients treated with the oral capsules. These reactions have usually responded promptly to the cessation of the infusion and administration of pressor agents, corticosteroids, antihistamines, or volume expanders as appropriate; however, the reactions can be fatal. Hypertension and/or flushing have also been reported. Blood pressure usually normalizes within a few hours after cessation of the infusion. Anaphylactic-like reactions have occurred during the initial infusion of Toposar.
Facial/tongue swelling, coughing, diaphoresis, cyanosis, tightness in throat, laryngospasm, back pain, and/or loss of consciousness have sometimes occurred in association with the above reactions. In addition, an apparent hypersensitivity-associated apnea has been reported rarely.
Rash, urticaria, and/or pruritus have infrequently been reported at recommended doses. At investigational doses, a generalized pruritic erythematous maculopapular rash, consistent with perivasculitis, has been reported.
Reversible alopecia, sometimes progressing to total baldness, was observed in up to 66% of patients.
The following adverse reactions have been infrequently reported: abdominal pain, aftertaste, constipation, dysphagia, asthenia, fatigue, malaise, somnolence, transient cortical blindness, optic neuritis, interstitial pneumonitis/pulmonary fibrosis, fever, seizure (occasionally associated with allergic reactions), Stevens-Johnson syndrome, and toxic epidermal necrolysis, pigmentation, and a single report of radiation recall dermatitis.
Hepatic toxicity, generally in patients receiving higher doses of the drug than those recommended, has been reported with Toposar. Metabolic acidosis has also been reported in patients receiving higher doses.
Reports of extravasation with swelling have been received postmarketing. Rarely extravasation has been associated with necrosis and venous induration.
The incidences of adverse reactions in the table that follows are derived from multiple data bases from studies in 2,081 patients when Toposar was used either orally or by injection as a single agent.
ADVERSE DRUG EFFECT
PERCENT RANGE OF REPORTED INCIDENCE
Leukopenia (less than 1,000 WBC/mm3)
3 to 17
Leukopenia (less than 4,000 WBC/mm3)
60 to 91
Thrombocytopenia (less than 50,000 platelets/mm3)
1 to 20
Thrombocytopenia (less than 100,000 platelets/mm3)
22 to 41
0 to 33
Nausea and vomiting
31 to 43
0 to 2
10 to 13
1 to 13
1 to 6
0 to 3
8 to 66
1 to 2
1 to 2
1 to 2
DOSAGE AND ADMINISTRATION
Note: Plastic devices made of acrylic or ABS (a polymer composed of acrylonitrile, butadiene, and styrene) have been reported to crack and leak when used with undiluted Toposar Injection.
The usual dose of Toposar Injection in testicular cancer in combination with other approved chemotherapeutic agents ranges from 50 to 100 mg/m2/day on days 1 through 5 to 100 mg/m2/day on days 1, 3, and 5.
In small cell lung cancer, the Toposar Injection dose in combination with other approved chemotherapeutic drugs ranges from 35 mg/m2/day for 4 days to 50 mg/m2/day for 5 days.
For recommended dosing adjustments in patients with renal impairment see PRECAUTIONS section.
Chemotherapy courses are repeated at 3- to 4-week intervals after adequate recovery from any toxicity.
The dosage should be modified to take into account the myelosuppressive effects of other drugs in the combination or the effects of prior x-ray therapy or chemotherapy which may have compromised bone marrow reserve.
As with other potentially toxic compounds, caution should be exercised in handling and preparing the solution of Toposar Injection. Skin reactions associated with accidental exposure to Toposar Injection may occur. The use of gloves is recommended. If Toposar Injection solution contacts the skin or mucosa, immediately and thoroughly wash the skin with soap and water and flush the mucosa with water.
Preparation for Intravenous Administration
Toposar Injection must be diluted prior to use with either 5% Dextrose Injection, USP, or 0.9% Sodium Chloride Injection, USP, to give a final concentration of 0.2 to 0.4 mg/mL. If solutions are prepared at concentrations above 0.4 mg/mL, precipitation may occur. Hypotension following rapid intravenous administration has been reported, hence, it is recommended that the Toposar Injection solution be administered over a 30- to 60-minute period. A longer duration of administration may be used if the volume of fluid to be infused is a concern. Toposar Injection should not be given by rapid intravenous injection.
Parenteral drug products should be inspected visually for particulate matter and discoloration (see DESCRIPTION section) prior to administration whenever solution and container permit.
Unopened vials of Toposar Injection are stable until the date indicated on the package at room temperature (25°C). Vials diluted as recommended to a concentration of 0.2 to 0.4 mg/mL are stable for 96 and 24 hours, respectively, at room temperature (25°C) under normal room fluorescent light in both glass and plastic containers.
Procedures for proper handling and disposal of anticancer drugs should be considered. Several guidelines on this subject have been published.1-8 There is no general agreement that all of the procedures recommended in the guidelines are necessary or appropriate.
Toposar® (etoposide injection USP), 20 mg/mL is supplied as follows:
NDC Number Contents Size
5 mL Multiple-dose Vials
25 mL Multiple-dose Vials
50 mL Multiple-dose Vials
All are available individually packaged.
Store at 20° to 25°C (68° to 77°F) [See USP Controlled Room Temperature].
DO NOT FREEZE.
- ONS Clinical Practice Committee. Cancer Chemotherapy Guidelines and Recommendations for Practice Pittsburgh, PA: Oncology Nursing Society; 1999:32-41.
- Recommendations for the safe handling of parenteral antineoplastic drugs. Washington, DC: Division of Safety, National Institutes of Health; 1983. US Dept of Health and Human Services, Public Health Service publication NIH 83-2621.
- AMA Council on Scientific Affairs. Guidelines for handling parenteral antineoplastics. JAMA. 1985;253:1590-1591.
- National Study Commission on Cytotoxic Exposure. Recommendations for handling cytotoxic agents. 1987. Available from Louis P. Jeffrey, Chairman, National Study Commission on Cytotoxic Exposure. Massachusetts College of Pharmacy and Allied Health Sciences, 179 Longwood Avenue, Boston, MA 02115.
- Clinical Oncological Society of Australia. Guidelines and recommendations for safe handling of antineoplastic agents. Med J Australia. 1983;1:426-428.
- Jones RB, Frank R, Mass T. Safe handling of chemotherapeutic agents: a report from the Mount Sinai Medical Center. CA-A Cancer J for Clin. 1983;33:258-263.
- American Society of Hospital Pharmacists. ASHP technical assistance bulletin on handling cytotoxic and hazardous drugs. Am J Hosp Pharm. 1990;47:1033-1049.
- Controlling Occupational Exposure to Hazardous Drugs. (OSHA Work-Practice Guidelines.). Am J Health-SystPharm. 1996;53:1669-1685.
Teva Pharmaceuticals USA, Inc.
North Wales, PA 19454
Rev. B 4/2017
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INGREDIENTS AND APPEARANCE
etoposide injection, solution, concentrate
Product Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0703-5653 Route of Administration INTRAVENOUS Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength ETOPOSIDE (UNII: 6PLQ3CP4P3) (ETOPOSIDE - UNII:6PLQ3CP4P3) ETOPOSIDE 20 mg in 1 mL Inactive Ingredients Ingredient Name Strength ANHYDROUS CITRIC ACID (UNII: XF417D3PSL) POLYSORBATE 80 (UNII: 6OZP39ZG8H) POLYETHYLENE GLYCOL 300 (UNII: 5655G9Y8AQ) ALCOHOL (UNII: 3K9958V90M) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:0703-5653-01 1 in 1 CARTON 08/01/1996 1 5 mL in 1 VIAL, MULTI-DOSE; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA074529 08/01/1996 TOPOSAR
etoposide injection, solution, concentrate
Product Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0703-5656 Route of Administration INTRAVENOUS Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength ETOPOSIDE (UNII: 6PLQ3CP4P3) (ETOPOSIDE - UNII:6PLQ3CP4P3) ETOPOSIDE 20 mg in 1 mL Inactive Ingredients Ingredient Name Strength ANHYDROUS CITRIC ACID (UNII: XF417D3PSL) POLYSORBATE 80 (UNII: 6OZP39ZG8H) POLYETHYLENE GLYCOL 300 (UNII: 5655G9Y8AQ) ALCOHOL (UNII: 3K9958V90M) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:0703-5656-01 1 in 1 CARTON 08/01/1996 1 25 mL in 1 VIAL, MULTI-DOSE; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA074529 08/01/1996 TOPOSAR
etoposide injection, solution, concentrate
Product Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0703-5657 Route of Administration INTRAVENOUS Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength ETOPOSIDE (UNII: 6PLQ3CP4P3) (ETOPOSIDE - UNII:6PLQ3CP4P3) ETOPOSIDE 20 mg in 1 mL Inactive Ingredients Ingredient Name Strength ANHYDROUS CITRIC ACID (UNII: XF417D3PSL) POLYSORBATE 80 (UNII: 6OZP39ZG8H) POLYETHYLENE GLYCOL 300 (UNII: 5655G9Y8AQ) ALCOHOL (UNII: 3K9958V90M) Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC:0703-5657-01 1 in 1 CARTON 05/01/1997 1 50 mL in 1 VIAL, MULTI-DOSE; Type 0: Not a Combination Product Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA074529 05/01/1997 Labeler - Teva Parenteral Medicines, Inc. (794362533)