It is well known that pharma companies are ready to chip on shoulders with rival companies in any regulatory or marketing disputes. Recently pfizer has took a dig against Amgen, Johnson & Johnson and Genentech for allegedly distribiting false and misleading information about use of biosimilars in the U.S. Pfizer filed citizen petition and requested FDA that they should issue guidance to ensure truthful and non-misleading communications by sponsors concerning the safety and effectiveness of biosimilars, including interchangeable biologics.
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