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On September 8, 2026, X4 Pharmaceuticals announced a positive outcome from its Type C meeting with the U.S. Food and…
XFORX4 Pharmaceuticals, Inc
On September 8, 2026, X4 Pharmaceuticals announced a positive outcome from its Type C meeting with the U.S. Food and Drug Administration regarding the global 4WARD Phase 3 clinical trial for mavorixafor. The FDA agreed to reduce the required sample size from 176 to 126 participants while maintaining adequate statistical power for co-primary endpoints: reduction in annualized infection rate and positive absolute neutrophil count response. Management expects enrollment completion by year-end 2026 and topline data release in the first half of 2028. X4 Pharmaceuticals is a biotechnology company focused on developing therapies for rare hematology diseases.