NCIt definition : A narrow-spectrum, 18-membered macrolide antibiotic isolated from the actinomycete
Dactylosporangium aurantiacum subsp. hamdenensis with potential antibacterial activity.
Although the exact mechanism of action has yet to be fully elucidated, fidaxomicin
may bind to and inhibit bacterial DNA-dependent RNA polymerase, thereby inhibiting
the initiation of bacterial RNA synthesis. When orally administered, this agent is
minimally absorbed into the systemic circulation, acting locally in the gastrointestinal
tract. Fidaxomicin appears to be active against pathogenic Gram-positive bacteria,
such as clostridia, enterococci, and staphylococci, but does not appear to be active
against other beneficial intestinal bacteria.;
Alternative definition : NCI-GLOSS: A substance being studied in the treatment of diarrhea caused by infection
with Clostridium difficile (a type of bacteria that can grow without oxygen) in cancer
patients. OPT-80 is a type of antibiotic.;
UNII : Z5N076G8YQ;
InChIKey : ZVGNESXIJDCBKN-UUEYKCAUSA-N;
CAS number : 873857-62-6; 56645-60-4; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 873857-62-6
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G-SRS /a ; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 56645-60-4
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G-SRS /a ;
Drug name : Dificid;
Molecule name : PAR-101; OPT-80;
Chemical formula : C52H74Cl2O18;
Codes from synonyms : CDR0000559075; CDR0000559076; CDR0000537331;