Highest development stage: Phase 3

Development status: Inactive

Gram-positive activity

Gram-negative activity

Mechanism of Action/Target pathogen: Potent antibiotic activity against a number of tested clinical isolates including PRSP, M. catarrhalis and B. pertussis to name a few

Additional information: Yoshizumi S, Domon H, Miyazaki S, et al. In vitro and in vivo activity of HSR-9903 against major respiratory pathogens. 38th-Intersci-Conf-Antimicrobial-Agents-Chemother 1998; 253