Merck forecasts 2026 sales below estimates on patent losses

Core Viewpoint - Merck & Co has projected 2026 sales and profits to be below Wall Street estimates due to the anticipated impact of losing patent exclusivity on its diabetes drug Januvia and other medications, which is expected to be more significant than analysts had previously estimated [1] Group 1 - The loss of patent exclusivity on Januvia is a major factor contributing to the forecasted decline in sales and profits [1] - Analysts had previously underestimated the impact of patent expirations on Merck's financial performance [1] - The company is facing challenges from increased competition in the diabetes medication market following the expiration of patents [1]