Taysha Gene Therapy Shows Lasting Gains in All 12 Rett Syndrome Trial Patients
All 12 Rett syndrome patients treated with Taysha's TSHA-102 gene therapy in the REVEAL Phase 1/2 trial achieved at least one developmental milestone within one year, with functional gains continuing up to 30 months. The company has completed dosing in the Phase 3 portion and expects top-line data and FDA feedback in early 2027.