WebDrug type: Irinotecan is an anti-cancer ("antineoplastic" or "cytotoxic") chemotherapy drug. This medication is classified as a "plant alkaloid" and "topoisomerase I inhibitor." (For … WebHistory of severe hypersensitivity to irinotecan or to any of the excipients listed in section 6.1. Breast-feeding (see section 4.6). 4.4 Special warnings and precautions for use : General : ONIVYDE pegylated liposoma l is a liposomal formulation of irinotecan with different pharmacokinetic properties compared to non-liposomal irinotecan.
Irinotecan in the treatment of colorectal cancer - PubMed
WebApr 1, 2024 · Irinotecan injection is given together with other medicines (eg, 5-fluorouracil, leucovorin) to treat patients with metastatic cancer (a cancer that has already spread) of the colon or rectum. This medicine is also given to patients with metastatic cancer of the colon or rectum who have received fluorouracil but disease has progressed or recurred. WebMECHANISM OF ACTION: Irinotecan is a semisynthetic, water -soluble derivative of camptothecin, which is a cytotoxic alkaloid extracted from plants such as Camptotheca acuminata. 1. Irinotecan and its active metabolite, SN-38, inhibit the action of topoisomerase I, an enzyme that produces reversible single-strand breaks in DNA during DNA ... church family fun day ideas
New drugs for colorectal cancer - mechanisms of action
WebMechanism of action. Topotecan has the same mechanism of action as irinotecan and is believed to exert its cytotoxic effects during the S-phase of DNA synthesis. Topoisomerase I relieves torsional strain in DNA by inducing reversible single strand breaks. Topotecan binds to the topoisomerase I-DNA complex and prevents religation of these single ... WebStudies of the camptothecin analog irinotecan suggest the following general mechanisms of resistance: (i) variable levels of the enzymes involved in the conversion of irinotecan; (ii) reduced cellular accumulation from active drug efflux; (iii) reduced levels of Topo I expression; (iv) alterations in the structure of Topo I from different … Irinotecan, sold under the brand name Camptosar among others, is a medication used to treat colon cancer, and small cell lung cancer. For colon cancer it is used either alone or with fluorouracil. For small cell lung cancer it is used with cisplatin. It is given intravenously. Common side effects include diarrhea, vomiting, bone marrow suppression, hai… devices marketing