๐ Medicine Name:
Cytosine Arabinoside
(Common name: Cytarabine)
๐ Formulation:
Injection โ Lyophilized powder for reconstitution, for intravenous (IV) or subcutaneous (SC) use
๐ช Strength:
100 mg per vial
๐ Description:
Cytarabine is an antimetabolite chemotherapy drug used primarily in the treatment of various forms of leukemia and lymphoma. It is a synthetic nucleoside analogue that disrupts DNA synthesis in rapidly dividing cells.
๐ฟ Nature:
- Cytotoxic antineoplastic agent
- Belongs to the antimetabolite class (pyrimidine analogues)
- Cell cycle specific, mainly active in the S-phase
- Used in both induction and consolidation therapy for hematologic cancers
๐ Advantages:
- Highly effective in the treatment of acute leukemias, particularly acute myeloid leukemia (AML)
- Integral part of standard chemotherapy regimens such as “7+3” (cytarabine + daunorubicin)
- Available in low-dose, standard-dose, and high-dose regimens depending on indication
- Can be used intrathecally (via spinal canal) for CNS prophylaxis or treatment
- Well-established clinical protocols and long-term use experience
๐งพ Prescription:
- Prescription-only (Rx)
- To be administered under specialist supervision in oncology or hematology settings
๐ฏ Indications / Uses:
- Acute Myeloid Leukemia (AML) โ primary use
- Acute Lymphoblastic Leukemia (ALL)
- Chronic Myelogenous Leukemia (CML) โ blast crisis
- Non-Hodgkin Lymphoma (off-label or combination regimens)
- CNS leukemia โ via intrathecal injection
๐ฆ Packaging:
- Supplied in glass vials with lyophilized powder
- Labeled with “Cytotoxic โ Handle with care”
- Reconstitution instructions included in the package insert
๐ง Storage:
- Store at 15โ25ยฐC (room temperature)
- Protect from light and moisture
- Once reconstituted, solutions are stable for limited time depending on storage temperature and dilution fluid โ follow local guidelines
- Do not freeze reconstituted solution
๐จโโ๏ธ Patient Advice:
- Administered in cycles, often with other cytotoxic agents
- May require frequent blood tests to monitor bone marrow function
- Patient should report symptoms such as fever, bleeding, or fatigue promptly
- Avoid pregnancy and live vaccines during treatment
- May require eye drops during high-dose therapy to prevent ocular toxicity

