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www.fdanews.com/articles/156170-fda-enforcement-actions-target-foreign-particles-in-drugs

FDA Enforcement Actions Target Foreign Particles in Drugs

June 7, 2013
The FDA issued two enforcement alerts last month, highlighting an ever-present quality hurdle for drugmakers: keeping particulates out of their products. The agency posted a warning letter it delivered to Boehringer Ingelheim last month highlighting issues with multiple types of foreign particles found in active pharmaceutical ingredient batches at its Ingelheim am Rhein, Germany, plant.
Drug GMP Report