Generic name: ; CARMUSTINE 100mg in 30mL
Dosage form: injection
The information at Drugs.com is not a substitute for medical advice. Always consult your doctor or pharmacist.
The recommended dose of BiCNU as a single agent in previously untreated patients is 150 to 200 mg/m2 intravenously every 6 weeks. This may be given as a single dose or divided into daily injections such as 75 to 100 mg/m2 on 2 successive days. When BiCNU is used in combination with other myelosuppressive drugs or in patients in whom bone marrow reserve is depleted, the doses should be adjusted accordingly.
Doses subsequent to the initial dose should be adjusted according to the hematologic response of the patient to the preceding dose. The following schedule is suggested as a guide to dosage adjustment:
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A repeat course of BiCNU should not be given until circulating blood elements have returned to acceptable levels (platelets above 100,000/mm3, leukocytes above 4,000/mm3), and this is usually in 6 weeks. Adequate number of neutrophils should be present on a peripheral blood smear. Blood counts should be monitored weekly and repeat courses should not be given before 6 weeks because the hematologic toxicity is delayed and cumulative.
As with other potentially toxic compounds, caution should be exercised in handling BiCNU and preparing the solution of BiCNU. Procedures for proper handling and disposal of anticancer drugs should be considered. Several guidelines on this subject have been published.1-4 Accidental contact of reconstituted BiCNU with the skin has caused transient hyperpigmentation of the affected areas. To minimize the risk of dermal exposure, always wear impervious gloves when handling vials containing BiCNU. If BiCNU lyophilized material or solution contacts the skin or mucosa, immediately wash the skin or mucosa thoroughly with soap and water. More information is available in the references listed below.
Reconstituted solution should only be administered by slow intravenous infusion. Administration of BiCNU over a period of less than 2 hours can lead to pain and burning at the site of injection.
Preparation of Intravenous Solutions
First, dissolve BiCNU with 3 mL of the supplied sterile diluent (Dehydrated Alcohol Injection, USP). Second, aseptically add 27 mL Sterile Water for Injection, USP. Each mL of resulting solution contains 3.3 mg of BiCNU in 10% ethanol. Such solutions should be protected from light.
Reconstitution as recommended results in a clear, colorless to yellowish solution which may be further diluted with 5% Dextrose Injection, USP. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.
The lyophilized dosage formulation contains no preservatives and is not intended for use as a multiple dose vial.
The unopened vial of the dry drug must be stored in a refrigerator (2°-8°C, 36°-46°F). The diluent vials must be stored in a refrigerator (2°-8°C, 36°-46°F). The recommended storage of unopened BiCNU vials provides a stable product for up to 3 years. After reconstitution as recommended, BiCNU is stable for 24 hours under refrigeration (2°-8°C, 36°-46°F). Reconstituted vials should be examined for crystal formation prior to use. If crystals are observed, they may be redissolved by warming the vial to room temperature with agitation.
Vials reconstituted as directed and further diluted to a concentration of 0.2 mg/mL in 5% Dextrose Injection, USP, should be stored at room temperature, protected from light and utilized within 8 hours.Glass containers were used for the stability data provided in this section. Only use glass containers for BiCNU administration.
BiCNU has a low melting point (30.5°-32.0°C or 86.9°-89.6°F). Exposure of the drug to this temperature or above will cause the drug to liquefy and appear as an oil film on the vials. This is a sign of decomposition and vials should be discarded. If there is a question of adequate refrigeration upon receipt of this product, immediately inspect the vial in each individual carton. Hold the vial to a bright light for inspection. The BiCNU will appear as a very small amount of dry flakes or dry congealed mass.
If this is evident, the BiCNU is suitable for use and should be refrigerated immediately.
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