Sionna Therapeutics Reports First Quarter 2026 Financial Results

Enrollment completed in the PreciSION CF Phase 2a proof-of-concept trial evaluating NBD1 stabilizer SION-719 as an add-on to standard of care in participants with cystic fibrosis; topline data on track for the summer of 2026 Ongoing Phase 1 trial evaluating NBD1 stabilizer SION-451 in proprietary dual combinations with SION-2222 and with SION-109 in healthy volunteers is also on track for topline data in the summer of 2026 Maintained strong cash position with approximately $289.9 million in cash and cash equivalents, expected to fund operations into 2028 WALTHAM, Mass., May 12, 2026 (GLOBE NEWSWIRE) -- Sionna Therapeutics, Inc. (Nasdaq: SION), a clinical-stage biopharmaceutical company on a mission to revolutionize the current treatment paradigm for cystic fibrosis (CF) today reported financial results for the first quarter ended March 31, 2026, and provided a business update.