Title : Robenacoxib in the dog: target species safety in relation to extent and duration of inhibition of COX-1 and COX-2.

Pub. Date : 2011 Jun

PMID : 21492194






3 Functional Relationships(s)
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1 Robenacoxib in the dog: target species safety in relation to extent and duration of inhibition of COX-1 and COX-2. robenacoxib cytochrome c oxidase subunit I Canis lupus familiaris
2 For the highest dosage of robenacoxib (40 mg/kg in Study 1), the upper limit of the 90% tolerance interval was associated with 71% inhibition of COX-1 at Emax, but 50% inhibition persisted for only 3.5 h. This level of inhibition of COX-1 with robenacoxib was not associated with any detectable toxicity, suggesting that the high safety index of robenacoxib in dogs is a function of both its high COX-2 selectivity and short residence time in the central compartment. robenacoxib cytochrome c oxidase subunit I Canis lupus familiaris
3 For the highest dosage of robenacoxib (40 mg/kg in Study 1), the upper limit of the 90% tolerance interval was associated with 71% inhibition of COX-1 at Emax, but 50% inhibition persisted for only 3.5 h. This level of inhibition of COX-1 with robenacoxib was not associated with any detectable toxicity, suggesting that the high safety index of robenacoxib in dogs is a function of both its high COX-2 selectivity and short residence time in the central compartment. robenacoxib cytochrome c oxidase subunit I Canis lupus familiaris