In 2021, the FDA approved a new insulin drug, Semglee, that was interchangeable with a brand-name insulin called Lantus. Lantus cost $292 for a 30-day supply. Drugmaker Viatris launched two

Campbell’s lawsuit highlights the impact PBMs have on one drug. In Massachusetts, about 500,000 residents are living with diabetes, nearly all of whom rely on the daily use of insulin to survive.