Proceedings of the National Academy of Sciences, Volume 123, Issue 37, September 2026. The 2026 Lasker~DeBakey Clinical Medical Research Award has been awarded to Kunihiro Hattori, Takehisa Kitazawa, and Tomoyuki Igawa (Chugai Pharmaceuticals, Tokyo, Japan) for invention of a bispecific antibody that joins blood clotting Factors IXa (FIXa) …