Key Takeaways MRK faces major headwinds as Keytruda, its top seller, nears the loss of exclusivity in 2028. Gardasil sales dropped 40% in Q1 2025 due to weak China demand, despite strength in other regions. MRK expects IRA's Medicare drug pricing to impact Januvia in 2026 and Keytruda starting in 2028.Merck (MRK) is expected to face several hurdles over the next few years that could affect its long-term growth trajectory, starting with the anticipated loss of exclusivity of its blockbuster PD-L1 inhibitor ...

Key Takeaways PFE expects steady 2025 COVID sales but anticipates major LOE losses and IRA headwinds in the future. Medicare Part D changes may cut into sales of key PFE drugs like Vyndaqel, Ibrance, Xtandi and Xeljanz. PFE trades at 7.82x forward earnings, below industry average, with EPS estimates rising for 2025 and 2026.Pfizer (PFE) is likely to encounter several headwinds in the next couple of years that can hurt its sales and profits, the first being declining sales of COVID products, Comirnaty and ...