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flag GEN Pharmaceuticals reports SUL-238, a promising Alzheimer’s and Parkinson’s drug, showed safety and brain delivery in early trial.

flag GEN Pharmaceuticals reported positive Phase 1 trial results for SUL-238, an oral drug targeting mitochondria for Alzheimer’s and Parkinson’s diseases. flag In healthy elderly volunteers, the drug was safe and well-tolerated at doses of 4,000 mg or 4,500 mg daily for 14 days, with no serious side effects or significant changes in vital signs or lab results. flag It showed rapid absorption, stable blood levels, and high penetration into cerebrospinal fluid, indicating effective brain delivery. flag The compound activates mitochondrial complexes I and IV to boost cellular energy, supporting its advancement into later-stage trials. flag Results were presented at the 18th Clinical Trials on Alzheimer’s Disease conference on December 2, 2025.

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