Insmed Inc.’s chair and CEO, Will Lewis, called the phase IIb trial of TPIP in pulmonary arterial hypertension a “clear and unequivocal success,” with analysts and investors wholeheartedly agreeing, as the company’s shares surged 28.7% June 10.

Despite the June 9 gutting of the U.S. CDC’s Advisory Committee for Immunization Practices, the Department of Health and Human Services said the committee’s June 25-27 meeting will continue as scheduled. But a new panel has yet to be named, and typically ACIP members have a lot of behind-the-scenes work to do before a meeting.

With the U.S. FDA’s approval of Enflonsia (cesrovimab) to prevent respiratory syncytial virus (RSV) infection lower respiratory tract disease in newborns and infants, Merck & Co. Inc. steps into a space of competition and regulatory shifts. The preventive, long-acting monoclonal antibody (MAb) will take its place in the market alongside the blockbuster Beyfortus (nirsevimab) from Sanofi SA and Astrazeneca plc. The MAb for pediatric use brought in about $1.77 billion in 2024.