Sanofi Challenges Novartis' Dominance with Clinically Meaningful Pancreatic Tumor Data from AlphaMedix Phase II Trial on October 09, 2025 AlphaMedix gastroenteropancreatic neuroendocrine tumors GEP-NETs Novartis Orano Overall Survival Phase 2 Clinical Trials Progression-Free Survival radioligand therapy radiopharma safety profile sanofi +