Avibactam free acid is a potent β-lactamase inhibitor exhibiting covalent and reversible properties, capable of inhibiting TEM-1, P99, and CTX-M-15 at nanomolar concentrations. Avibactam free acid and Ceftazidime may be combined for treating urinary tract infections.
Avanafil metabolite M16 is a major inactive metabolite of the phosphodiesterase 5 (PDE5) inhibitor avanafil . Avanafil is metabolized by the cytochrome P450 (CYP450) isoforms CYP3A4 and CYP2C to the major metabolites avanafil metabolite M16 and avanafil metabolite M4 , as well as minor metabolites.
Lopinavir Metabolite M-1, an active metabolite derived from Lopinavir, effectively inhibits the HIV protease enzyme with a Ki value of 0.7 pM. Additionally, in vitro studies have revealed notable antiviral properties associated with Lopinavir Metabolite M-1.