Takeda Pharmaceutical Co. Ltd. filed a 6-K form reporting that the U.S. FDA accepted their New Drug Application for rusfertide, granting it Priority Review for treating Polycythemia Vera, effective as of March 2, 2026. This filing signals a significant partnership with Protagonist Therapeutics and highlights the positive clinical study results, although it indicates that the financial impact for the fiscal year ending March 31, 2026, will be immaterial.