Irinotecan. Definition

Medical Definition: Irinotecan

The active ingredient in a drug is used alone or in combination with other medicines to treat cancer of the colon or rectal cancer that has spread to other body parts or returned after treatment with fluorouracil. Is also being studied for treating other cancers. Irinotecan blocks certain enzymes needed for cell division and DNA repair, and can kill cancer cells. Is a type of topoisomerase inhibitor and a type of camptothecin analog.

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