The FDA issued a Complete Response Letter for bitopertin in erythropoietic protoporphyria, acknowledging the drug lowers PPIX levels but requiring Phase 3 APOLLO trial results to demonstrate clinical benefit before approval.
The FDA issued a Complete Response Letter for Disc Medicine's bitopertin New Drug Application for erythropoietic protoporphyria, requiring results from the ongoing Phase 3 APOLLO study before making an approval decision. Topline data is expected in Q4 2026.
Disc Medicine received a complete response letter from the FDA for bitopertin as a treatment for erythropoietic protoporphyria. The FDA acknowledged the drug lowers PPIX levels but requires evidence from the ongoing Phase 3 APOLLO study before approval.
