NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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liposomal topotecan FF-10850
A liposome encapsulated formulation of the semisynthetic camptothecin analogue topotecan with potential antineoplastic activity. Upon administration, liposomal topotecan FF-10850 preferentially releases topotecan, a cytotoxic, quinoline-based alkaloid extracted from the Asian tree Camptotheca acuminate, into the tumor environment. Topotecan inhibits topoisomerase I activity by stabilizing the topoisomerase I-DNA covalent complexes during S phase of the cell cycle, thereby inhibiting religation of topoisomerase I-mediated single-strand DNA breaks and producing potentially lethal double-strand DNA breaks when encountered by the DNA replication machinery. The novel liposome used in this agent prolongs its serum half-life while promoting efficient drug delivery into the cytosol from the endosome compartment of the tumor cell, which may minimize the adverse effect of bone marrow suppression. Check for active clinical trials using this agent. (NCI Thesaurus)

Code name:FF 10850
FF10850
FF-10850