Rudolph E. Tanzi
Scientific Founder
Alzheimer's therapies for early intervention and prevention, led by gamma-secretase modulator research
Acta Pharmaceuticals, Inc. is a Boston biotech translating Alzheimer's research pioneered by scientific founder Dr. Rudolph E. Tanzi into clinical candidates for early intervention and prevention. Its lead program, GSM-779690T, is an oral gamma-secretase modulator in a Phase 1 healthy-volunteer study. In October 2026 the company announced closing $24 million in seed financing to advance the pipeline, alongside a combination-therapies discovery effort based on Alzheimer's-in-a-Dish models.
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Scientific Founder
Co-founder and CEO