** Shares of Outlook Therapeutics OTLK.O plunge 59.6% to 64 cents premarket
** U.S. FDA declines to approve co's Lytenava for wet age-related macular degeneration, citing lack of confirmatory evidence of efficacy
** Decision marks third rejection after earlier refusals in 2023 and Aug 2025
** Lytenava, an eye disease-specific adaptation of bevacizumab, failed to match Roche's ROG.S Lucentis in key trial
** Drug already approved in EU and UK; FDA has not indicated what type of confirmatory evidence would be acceptable
** OTLK down 16.4% in 2025
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))