Science2000sUnited Stateshigh confidence

Both bevacizumab and ranibizumab were originally developed by the same company, Genentech.

Notes on verification

Multiple independent sources including drug approval histories, clinical trial registries, and a first-hand account by a key researcher confirm both drugs were developed by Genentech, with ranibizumab derived from the same antibody as bevacizumab. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.85 clusters=5 claim_tier=notable | kind=empirical eligibility=high]

Sources