Beam Therapeutics' BEAM-301 Eliminates Starch Supplementation in Two Patients in Early Trial
Bitget2026/10/27 11:09- Beam Therapeutics reported initial Phase 1/2 results for BEAM-301 in six patients with glycogen storage disease type Ia on Oct. 27, 2026.
- Two of three patients receiving 40 mg achieved 15 hours of controlled fasting, eliminating daily starch supplementation at their latest assessments.
- Median fasting tolerance at Day 36 rose from 2.5 to 15 hours with 40 mg, versus 2.9 to 4.3 hours with 20 mg.
- Four of six patients experienced serious treatment-related adverse events; no dose-limiting toxicities occurred.
- Enrollment in the 60 mg cohort is underway; the company plans FDA discussions on a potential approval pathway.
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