Q32 Bio Doses First Patients in Both Part A Open-Label Extension and Part B of SIGNAL-AA Phase 2a Trial Evaluating Bempikibart in Alopecia Areata

-- SIGNAL-AA Part B topline data readout on-track for 1H'26 --

WALTHAM, Mass., April 16, 2025 /PRNewswire/ -- Q32 Bio Inc. (Nasdaq: QTTB) ("Q32 Bio" or the "Company"), a clinical stage biotechnology company focused on developing innovative therapies for alopecia areata and other autoimmune and inflammatory diseases, today announced that the Company has dosed the first patients in both the Part A open-label extension (OLE) and Part B of the SIGNAL-AA Phase 2a clinical trial evaluating bempikibart in patients with alopecia areata (AA).

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