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Brand names: NELARABINE
12.1 Mechanism of Action Nelarabine is a prodrug of the deoxyguanosine analogue 9-β- D -arabinofuranosylguanine (ara-G), a nucleoside metabolic inhibitor. Nelarabine is demethylated by adenosine deaminase (ADA) to ara-G, mono-phosphorylated by deoxyguanosine kinase and deoxycytidine kinase, and subsequently converted to the active 5’-triphosphate, ara-GTP. Accumulation of ara-GTP in leukemic blasts allows for incorporation into deoxyribonucleic acid (DNA), leading to inhibition of DNA synthesis and cell death. Other mechanisms may contribute to the cytotoxic and systemic toxicity of nelarabine.
Contraindications
1 documented side effects by frequency
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Dosage Forms
Tablet
Route
Intravenous