During postmarketing surveillance, 52 deaths were reported in patients using cerivastatin, mainly from rhabdomyolysis and its resultant renal failure. Risks were higher in patients using fibrates, mainly gemfibrozil (Lopid), and in patients using the highest (0.8 mg/day) dose of cerivastatin. Bayer A.G. added a contraindication for the concomitant use of cerivastatin and gemfibrozil to the package 18 months after the drug interaction was found. The frequency of deadly cases of rhabdomyolysis with cerivastatin was 16 to 80 times higher than with other statins. Another 385 nonfatal cases of rhabdomyolysis were reported. This put the risk of this (rare) complication at 5-10 times that of the other statins. Cerivastatin also induced myopathy in a dose-dependent manner when administered as monotherapy, but that was revealed only after Bayer was sued and unpublished company documents were opened.
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