Sinovant Sciences and Nabriva Therapeutics Announce Positive Topline Results from Phase 3 Trial of Lefamulin
In 125 CABP subjects, Sinovant conducted a multi-center, randomized, double-blind trial to compare intravenous (IV) safety and efficacy to oral lefamulin versus IV/oral moxifloxacin.
FREMONT, CA: Sinovant Sciences, a biopharmaceutical company dedicated to conducting innovative biomedical research in China, and Nabriva Therapeutics, a biopharmaceutical company focused on the commercialization and development of novel anti-infective agents to treat serious infections, announced positive topline results from Sinovant’s Phase 3 bridging study of lefamulin in Chinese adults with Community-Acquired Bacterial Pneumonia (CABP).
“We are delighted with the results of this trial,” said Dr. Rae Yuan, CEO, Sinovant. “These data strongly support the use of lefamulin as an empiric monotherapy for CABP, a disease that affects millions of Chinese patients annually. We look forward to submitting an NDA to Chinas NMPA as soon as possible.”
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In 125 CABP subjects, Sinovant conducted a multi-center, randomized, double-blind trial to compare intravenous (IV) safety and efficacy to oral lefamulin versus IV/oral moxifloxacin. Prior antibiotic exposure, pneumonia severity index (PSI) risk class, and renal impairment were used to stratify the subjects who were given lefamulin and moxifloxacin in a 2:1 ratio. The medications used in the study were dosed in a double-dummy, double-blinded method (lefamulin: 150 mg IV every 12 hours, 600 mg oral every 12 hours; moxifloxacin: 400 mg IV once daily, 400 mg oral once daily).
In the modified intent to treat (mITT) population, lefamulin met the primary endpoint of non-inferiority vs. moxifloxacin for Investigator Assessment of Clinical Response at Test of Cure (IACR-TOC), with success rates of 76.8% (n = 63/82) for lefamulin and 71.4 percent (n = 30/42) for moxifloxacin. All subgroups shared this conclusion. In the clinically evaluable (CE) population, success rates in the lefamulin and moxifloxacin arms were 86.0 percent (n = 49/57) and 86.2 percent (n = 25/29), respectively, on the primary-secondary goal of IACR-TOC. These findings are identical to those shown in Nabriva’s global Phase 3 LEAP 1 and LEAP 2 clinical studies.
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