Key Takeaways Pfizer will buy Metsera for $47.50 per share, plus up to$22.50 CVR on clinical milestones.Metsera adds four obesity drug programs, led by GLP-1 agonist MET-097i in phase II studies.The acquisition marks Pfizer's return to obesity after halting danuglipron earlier this year.Pfizer (PFE) announced a definitive agreement to acquire obesity drug developer, Metsera (MTSR) , to re-enter the lucrative obesity space after it scrapped the development of danuglipron, a weight-loss pill, earlier this ye ...