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Secondary prevention of cardiogenic arterial thromboembolism in the cat: the double-blind, randomized, positive-controlled feline arterial thromboembolism; clopidogrel vs. aspirin trial (FAT CAT)

Author:
Daniel F. Hogan, Philip R. Fox, Kristin Jacob, Bruce Keene, Nancy J. Laste, Steven Rosenthal, Kimberly Sederquist, Hsin-Yi Weng
Source:
Journal of veterinary cardiology 2015 v.17 pp. S306
ISSN:
1760-2734
Subject:
Maine coon, adverse effects, aspirin, cats, death, heart diseases, long term effects, males, mixed breeds
Abstract:
To determine if clopidogrel administration is associated with a reduced likelihood of recurrent cardiogenic arterial thromboembolism (CATE) in cats compared to aspirin administration. Secondary aims were to determine if clopidogrel administration had an effect on the composite endpoint of recurrent CATE and cardiac death and to identify adverse effects of chronic clopidogrel or aspirin therapy.Seventy-five cats that survived a CATE event.Multicenter, double-blind, randomized, positive-controlled study. Cats were assigned to clopidogrel (18.75 mg/cat PO q 24 h) or aspirin (81 mg/cat PO q 72 h). Kaplan–Meier survival curves were created for each endpoint and the log rank test performed to compare treatment groups with respect to time to event and the likelihood of the event occurring.The mean age of all cats was 8.0 ± 3.5 yr and 57/75 (76%) were male (p < 0.001); 62/75 (83%) were mixed breed with the remainder including Persian, Abyssinian, American Shorthair, Bengal, Birman, Himalayan, Maine Coon, Ragdoll, Snowshoe, and Sphynx breeds. Only 15% (11/75) of cats had a history of heart disease recorded prior to the CATE event. Clopidogrel administration was associated with significantly reduced likelihood of recurrent CATE compared to aspirin (p = 0.024) and had a longer median time to recurrence [443 (95% CI 185–990) days vs. 192 (95% CI 62–364) days, respectively]. Clopidogrel was also associated with a significantly reduced likelihood of the composite endpoint of recurrent CATE or cardiac death (p = 0.033) with a longer median time to event [346 (95% CI 146–495) days vs. 128 (95% CI 58–243) days].Clopidogrel administration significantly reduces the likelihood of recurrent CATE compared with aspirin in cats; both drugs were well tolerated.
Agid:
5337809