Legend Biotech's Ying Huang, Ph.D., resigned after a six-year stint as CEO. | Legend Biotech's Ying Huang, Ph.D., resigned after a six-year stint as CEO. Merck briefly posted—and then quickly deleted—a clinical trial plan to test its PD-1xVEGF bispecific in combination with its TROP2 ADC. The FDA approved a new class of ADHD therapy in Otsuka's Simtriyo. And more.