Otsuka Pharmaceutical Co. Ltd. reported another clinical study win with once-daily centanafadine, a non-stimulant compound targeting attention deficit hyperactivity disorder (ADHD). Top-line results of a dedicated phase IIIb study in patients with ADHD and comorbid anxiety found that centanafadine met the primary endpoint, defined as score improvements on the Adult Investigator Symptom Rating Scale, compared with placebo at week 8.

Samsung Bioepis Co. Ltd. announced positive top-line phase I and phase III data for SB-27, a proposed biosimilar to Merck & Co. Inc.’s blockbuster immunotherapy Keytruda (pembrolizumab). Preliminary analysis of parallel-run global phase I and phase III studies demonstrated SB-27’s clinical and pharmacokinetic (PK) equivalence to the reference product, according to a company announcement.

The oversubscribed $330 million series B round secured by Ollin Biosciences Inc. marks more than another large venture round in ophthalmology. It also highlights an emerging biotech financing model in which Chinese pharma companies discover and clinically validate promising drugs before handing global development to well-capitalized U.S. startups backed by blue-chip venture investors.