Sangamo Therapeutics Receives U.S. FDA Fast Track Designation for ST-503 for the Treatment of Small Fiber Neuropathy

RICHMOND, Calif., Dec. 02, 2025 (GLOBE NEWSWIRE) -- Sangamo Therapeutics, Inc. (Nasdaq: SGMO), a genomic medicine company, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track Designation to ST-503, an investigational epigenetic regulator for the treatment of intractable pain due to small fiber neuropathy (SFN), a type of chronic neuropathic pain.

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