*Cats are generally more likely to develop hypertrophic cardiomyopathy (a heart disease)ĭilated cardiomyopathy is recognized as a genetic condition in dogs, typically in large or giant breeds, such as the Doberman Pinscher, Great Dane, or the Irish Wolfhound.
(Please see the Vet-LIRN DCM Investigative Update for more technical information on the reported cases, including those without a formal diagnosis of DCM). Although the FDA first received a few sporadic reports of DCM as early as 2014, the vast majority of the reports were submitted after the agency notified the public about the potential DCM/diet issue in July 2018. However, this case information is still valuable, as it may show heart changes that occur before a dog develops symptomatic DCM. We did not include in these numbers the many general cardiac reports submitted to the FDA that did not have a DCM diagnosis. The numbers below only include reports in which the dog or cat was diagnosed with DCM by a veterinarian and/or veterinary cardiologist. Many of the reports submitted to the FDA included extensive clinical information, including echocardiogram results, cardiology/veterinary records, and detailed diet histories. On this page:Īdditional Information Cases Reported to FDAįor the purposes of this investigation, the FDA defines a “case” as an illness reported to FDA involving a dog or cat that includes a diagnosis of DCM. 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).
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