X4 Pharmaceuticals says FDA backs reduced enrollment target for 4WARD Phase 3 chronic neutropenia trial
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XFOR• FDA backs reduced enrollment target for 4WARD trial
X4 Pharmaceuticals reached alignment with the FDA to cut enrollment in its 4WARD Phase 3 trial of mavorixafor in chronic neutropenia.The agency backed the revised design as sufficient to support a potential supplemental new drug application.No clinical results have been presented; enrollment is expected to finish by year-end 2026.Topline data are expected in H1 2028, moving the program toward a potential label expansion.X4 Pharmaceuticals says FDA backs reduced enrollment target for 4WARD Phase 3 chronic neutropenia trial - XFOR News | Rallies