FDA Warns Glaxo UK Active Pharmaceutical Ingredient Facility

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FDA has cited a GlaxoSmithKline active pharmaceutical ingredient manufacturing facility in the UK after an inspection a year ago raised cross-contamination concerns. A just-released 6/30 Warning Letter says GSK failed to have appropriate procedures in place to prevent cross-contamination from a dedicated penicillin manufacturing area to non-dedicated areas. “We documented findings of penicillin in non-penicillin manufacturing areas approximately 69 times in 2012, 72 times in 2013, 30 times in 2014, and 16 times through July 7, 2015,” the letter says. “Your facility and controls to prevent contamination of non-penicillin drugs with penicillin are wholly inadequate. It notes that an internal product quality risk assessment after the inspection resulted in a recall involving various lots of Bactroban (mupirocin calcium) products “because of potential contamination with penicillin and foreign substances such as glass, paint fragments, and fibers.”

FDA also took issue with GSK’s method for detecting penicillin in non-penicillin drugs because it was not validated to detect the different types of penicillin manufactured at its facility. “In addition, you could not locate the raw data for the method validation,” the agency says. “Your firm has changed the method since the original validation.”

Additionally, the letter cites GSK’s investigations into microbial contamination in certain water systems. “Your investigations failed to adequately establish root causes,” it says. “In 16 of the 25 investigations, you concluded that the root cause was sampling error but had no supporting evidence. You did not determine a root cause in the remaining nine investigations.”

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