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Topotecan

Topoisomerase inhibitor

MECHANISM OF ACTION

Binds to DNA topoisomerase preventing re-ligation of cleaved DNA

MECHANISM OF KIDNEY INJURY

CLINICAL KIDNEY SYNDROME

myelosuppresion and diarrhea (acute and chronic)

CARDIOVASCULAR ADVERSE EFFECTS

LYTE ABNORMALITIES

RISK FACTORS

MITIGATION STRATEGIES

SUGGESTIONS 

Avoid use in dialysis

NOTES/COMMENTS

eGFR 30-59 ml/min, 75-80% of usual dose
eGFR < 30 ml/min, 50-70% of usual dose

PHARMACOKINETICS

Molecular Weight

Volume of Distribution

Plasma Protein Binding

Metabolism

Bioavailability

Half-life elimination

Time to peak

Excretion

Renal, 20-68%

Dialyzable?

REF:

PATHOLOGY SLIDES:

ENTRY UPDATES:

Raad Chowdhury

United States

Sep 25, 2022

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