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.
- silicon phthalocyanine 4
A synthetic photosensitizer agent containing a large macrocyclic ring chelated with silicon. Silicon phthalocyanine 4 localizes primarily in mitochondrial cytosolic membranes and, after photoexcitation, forms reactive oxygen species that induce apoptosis. Check for active clinical trials using this agent. (NCI Thesaurus)
Synonym: Pc-4 (Silicone phthalocyanine) Abbreviation: Pc 4