Cytabin 100 mg/ml is indicated in Leukaemic meningitis, Induction and maintenance of remission in acute leukaemias
Theropeutic Class
Cytotoxic Chemotherapy
Pharmacology
Cytabin 100 mg/ml inhibits deoxyribonucleic acid (DNA) synthesis specifically at the S-phase of the cell cycle. It also has an antiviral and immunosuppressant activity.
Dosage & Administration of Cytabin 100 mg/ml
Intrathecal (Adult)-
Leukaemic meningitis: 5-75 mg/m2 or 30-100 mg once every 2-7 days to once daily for 4 or 5 days.
For lymphomatous meningitis: 50 mg every 2 wk for 5 doses, then every 4 wk for 5 doses.
Parenteral (Adult)-Induction and maintenance of remission in acute leukaemias:
As monotherapy: 200 mg/m2 daily by continuous IV infusion for 5 days, at intervals of approx 2 wk.
In combination therapy: 100 mg/m2 bid by rapid IV inj or 100 mg/m2 daily by continuous IV infusion both for 7 days. Maintenance: 1-1.5 mg/kg once or twice wkly via IV or SC.
Dosage of Cytabin 100 mg/ml
Intrathecal (Adult)-
Leukaemic meningitis: 5-75 mg/m2 or 30-100 mg once every 2-7 days to once daily for 4 or 5 days.
For lymphomatous meningitis: 50 mg every 2 wk for 5 doses, then every 4 wk for 5 doses.
Parenteral (Adult)-Induction and maintenance of remission in acute leukaemias:
As monotherapy: 200 mg/m2 daily by continuous IV infusion for 5 days, at intervals of approx 2 wk.
In combination therapy: 100 mg/m2 bid by rapid IV inj or 100 mg/m2 daily by continuous IV infusion both for 7 days. Maintenance: 1-1.5 mg/kg once or twice wkly via IV or SC.
Interaction of Cytabin 100 mg/ml
May reduce efficacy of 5-fluorocytosine, digoxin, gentamicin. May increase risk of neurotoxicity with other cytotoxic agents (intrathecal).
Contraindications
Patient with active meningeal infection.
Side Effects of Cytabin 100 mg/ml
Nausea, vomiting, fever, rash, diarrhoea, anorexia, oral and anal inflammation or ulceration, hepatic dysfunction, headache, weakness, confusion, thrombocytopenia, fatigue.
Pregnancy & Lactation
Pregnancy Category D. There is positive evidence of human foetal risk, but the benefits from use in pregnant women may be acceptable despite the risk (e.g., if the drug is needed in a life-threatening situation or for a serious disease for which safer drugs cannot be used or are ineffective).
Precautions & Warnings
Patient with previous drug-induced bone marrow suppression. Renal or hepatic impairment. Pregnancy and lactation.
Overdose Effects of Cytabin 100 mg/ml
Symptoms: Irreversible CNS toxicity and death. Severe arachnoiditis including encephalopathy. Management: Therapy cessation followed by treatment of ensuing bone marrow depression including whole blood or platelet transfusion and antibiotics. Maintain vital functions.
Storage Conditions
IV/SC: Store between 15-25°C. Intrathecal: Store between 2-8°C. Avoid freezing.
Reconstitution
Intravenous: Reconstitute with bacteriostatic water for inj (standard-dose), further dilute in 250-1,000 ml NaCl 0.9% or dextrose 5% in water for infusion. Intrathecal: Reconstitute with preservative free NaCl 0.9%, further dilute with Elliot’s B soln, NaCl 0.9% or lactated Ringer’s inj to preferred final vol (up to 12 ml).
Drug Classes
Cytotoxic Chemotherapy
Mode Of Action
Cytabin 100 mg/ml inhibits deoxyribonucleic acid (DNA) synthesis specifically at the S-phase of the cell cycle. It also has an antiviral and immunosuppressant activity.
Pregnancy
Pregnancy Category D. There is positive evidence of human foetal risk, but the benefits from use in pregnant women may be acceptable despite the risk (e.g., if the drug is needed in a life-threatening situation or for a serious disease for which safer drugs cannot be used or are ineffective).
Frequently Asked Questions
What is Cytabin 100 mg/ml used for?
Cytabin 100 mg/ml is indicated in Leukaemic meningitis, Induction and maintenance of remission in acute leukaemias
What is the dosage of Cytabin 100 mg/ml?
Intrathecal (Adult)- Leukaemic meningitis: 5-75 mg/m2 or 30-100 mg once every 2-7 days to once daily for 4 or 5 days. For lymphomatous meningitis: 50 mg every 2 wk for 5 doses, then every 4 wk for 5 doses. Parenteral (Adult)-Induction and maintenance of remission in acute leukaemias: As monotherapy: 200 mg/m2 daily by continuous IV infusion for 5 days, at intervals of approx 2 wk. In combination t…
What are the side effects of Cytabin 100 mg/ml?
Nausea, vomiting, fever, rash, diarrhoea, anorexia, oral and anal inflammation or ulceration, hepatic dysfunction, headache, weakness, confusion, thrombocytopenia, fatigue.
Who should not take Cytabin 100 mg/ml?
Patient with active meningeal infection.
What precautions should be taken with Cytabin 100 mg/ml?
Patient with previous drug-induced bone marrow suppression. Renal or hepatic impairment. Pregnancy and lactation.
Is Cytabin 100 mg/ml safe during pregnancy and breastfeeding?
Pregnancy Category D. There is positive evidence of human foetal risk, but the benefits from use in pregnant women may be acceptable despite the risk (e.g., if the drug is needed in a life-threatening situation or for a serious disease for which safer drugs cannot be used or are ineffective).
Disclaimer
The information provided is accurate to our best practices, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy. The absence of specific information about a drug should not be seen as an endorsement. We are not responsible for any consequences resulting from this information, so consult a healthcare professional for any concerns or questions.