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DNA topoisomerase I inhibitor

Exatecan is a small molecule drug that works as a DNA topoisomerase I inhibitor. It is currently being studied in clinical trials (Phase 3) and is not yet FDA-approved for general use.

How it worksExatecan works by inhibiting an enzyme called DNA topoisomerase I, which helps stop the growth of certain cells.

Class
Small moleculeDNA topoisomerase I inhibitor

How to take

Exatecan is currently in Phase 3 clinical trials and is not an approved medication for consumer use at this time.

Talk to your doctor

Questions to ask

  • ·What stage of clinical trials is Exatecan currently in?
  • ·How does Exatecan's mechanism as a DNA topoisomerase I inhibitor work?

Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-26.