Zydus gains regulatory milestone in $31.7bn Keytruda biosimilar market
The FDA has accepted FYB206, a proposed biosimilar to Merck's Keytruda, for review, with a decision potentially due in the third quarter of 2027. Zydus and Formycon pursued a streamlined development programme without a comparative Phase 3 efficacy trial, but approval, patent clearance and commercial launch remain separate hurdles.