The FDA is using a range of science-based investigative tools as it strives to learn more about this emergence of DCM and its potential link to certain diets or ingredients.įollowing an update in February 2019 that covered investigative activities through November 30, 2018, this is the FDA’s third public report on the status of this investigation.
We understand the concern that pet owners have about these reports: the illnesses can be severe, even fatal, and many cases report eating “grain-free” labeled pet food. Based on the data collected and analyzed thus far, the agency believes that the potential association between diet and DCM in dogs is a complex scientific issue that may involve multiple factors. The FDA’s Center for Veterinary Medicine (CVM) and the Veterinary Laboratory Investigation and Response Network (Vet-LIRN), a collaboration of government and veterinary diagnostic laboratories, continue to investigate this potential association. Many of these case reports included breeds of dogs not previously known to have a genetic predisposition to the disease. In July 2018, the FDA announced that it had begun investigating reports of canine dilated cardiomyopathy (DCM) in dogs eating certain pet foods, many labeled as "grain-free," which contained a high proportion of peas, lentils, other legume seeds (pulses), and/or potatoes in various forms (whole, flour, protein, etc.) as main ingredients (listed within the first 10 ingredients in the ingredient list, before vitamins and minerals). FDA continues to encourage research and collaboration by academia, veterinarians, and industry. While adverse event numbers can be a potential signal of an issue with an FDA regulated product, by themselves, they do not supply sufficient data to establish a causal relationship with reported product(s). FDA has followed up on a subset of these reports, but is unable to investigate every report to verify or confirm the reported information. A count of reports of DCM in dogs submitted to FDA as of November 1, 2022, has been added to Questions & Answers: FDA’s Work on Potential Causes of Non-Hereditary DCM in Dogs. FDA does not intend to release further public updates until there is meaningful new scientific information to share.
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