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Active ingredient: Amsacrine - Brands, Medical Use, Clinical Data

Brands, Medical Use, Clinical Data

Drug Category

  • Antineoplastic Agents

Dosage Forms

  • Liquid

Brands / Synonyms

Acridinyl Anisidide; AMSA P-D; Amsidine; Amsidyl; Amsine; M-AMSA; MAMSA

Indications

For treatment of acute myeloid leukaemia.

Pharmacology

Amsacrine is an aminoacridine derivative that is a potent intercalating antineoplastic agent. It is effective in the treatment of acute leukemias and malignant lymphomas, but has poor activity in the treatment of solid tumors. It is frequently used in combination with other antineoplastic agents in chemotherapy protocols. It produces consistent but acceptable myelosuppression and cardiotoxic effects.

Mechanism of Action

Amsacrine binds to DNA through intercalation and external binding. It has a base specificity for A-T pairs. Rapidly dividing cells are two to four times more sensitive to amsacrine than are resting cells. Amsacrine appears to cleave DNA by inducing double stranded breaks. Amsacrine also targets and inhibits topoisomerase II. Cytotoxicity is greatest during the S phase of the cell cycle when topoisomerase levels are at a maximum.

Absorption

Poorly absorbed

Toxicity

Symptoms of overdose include nausea and vomiting, diarrhea, some cardiotoxicity (rarely).

Biotrnasformation / Drug Metabolism

Extensive, primarily hepatic, converted to glutathione conjugate.

Contraindications

Avoid using with patients suffering bone marrow depression

Drug Interactions

Not Available

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