Much anticipated knockoff versions of costly biotech medicines are facing delays and obstacles that could cost patients and health systems billions in missed savings.
Several high-profile projects to create so-called biosimilar drugs have faltered in recent months. Merck & Co. dissolved a dedicated biosimilar unit last year and in December retreated from a plan to copy arthritis treatment Enbrel after maker Amgen Inc. gained a new patent. Last fall, Samsung Electronics Co.'s biosimilar unit suspended trials for a version of the cancer drug Rituxan, and generic-drug maker Teva Pharmaceutical Industries Ltd. halted its own Rituxan push.
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Source: The Wall Street Journal