NCI Drug Dictionary

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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.

pegylated liposomal mitomycin C lipid-based prodrug
A pegylated liposomal formulation comprised of a lipophilic prodrug of the antineoplastic antibiotic mitomycin C containing a cleavable disulfide bond (PL-MLP), with potential antineoplastic activity. Upon administration of the pegylated liposomal mitomycin C lipid-based prodrug, the MLP moiety becomes activated upon thiolysis at the tumor site, thereby releasing mitomycin C. Bioreduced mitomycin C generates oxygen radicals, alkylates DNA, and produces interstrand DNA cross-links, thereby inhibiting DNA synthesis. The thiolytic environment and upregulated expression of thioredoxins at the tumor site allow for the activation and release of mitomycin C. This prodrug formulation allows for greater circulation time, less systemic toxicity and increased accumulation of mitomycin C at the tumor site. Check for active clinical trials using this agent. (NCI Thesaurus)

Foreign brand name:Promitil