4D Molecular Therapeutics Reports Positive Interim Phase 1 Results for 4D-710 in Cystic Fibrosis

Reuters
2025.12.17 12:00
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4D Molecular Therapeutics announced positive interim Phase 1 results for 4D-710 in treating cystic fibrosis lung disease. The drug was well tolerated, showed relevant CFTR expression levels, and improved lung function and quality of life. Phase 2 enrollment is expected to complete in early 2026, with updates later that year. The data was presented in a webcast on December 17, 2025.