Agios scraps sickle cell program over lackluster Phase 2 data on July 21, 2026 AGIO Agios Pharmaceuticals Anemia, Sickle Cell discontinued hemoglobin response lackluster data Programs - Publication Format Sarah Gheuens tebapivat yruvate Kinase Activator [EPC] +
Agios' Sickle Cell Trial Falls Short as Mitapivat Fails to Significantly Reduce Pain Crises on November 20, 2025 Agios Anemia, Sickle Cell Clinical Trials hemoglobin response mitapivat pain crises PYRUKYND Rise Up trial +