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Basic & clinical pharmacology & toxicology

Opposite Modulatory Effects of Selective and Non-Selective Cyclooxygenase Inhibition on Cardiovascular and Autonomic Consequences of Cyclosporine in Female Rats.


PMID 28054752

Abstract

Non-steroidal anti-inflammatory drugs (NSAIDs) and the immunosuppressant drug cyclosporine (CSA) are concurrently administered in arthritis. Here, we investigated whether diclofenac (non-selective inhibitor of cyclooxygenase-1 and 2, COX-1/COX-2), celecoxib (selective COX-2 inhibitor) or SC560 (selective COX-1 inhibitor) interact variably with haemodynamic effects of CSA in conscious female rats. Changes caused by CSA (10 mg/kg i.v.) in blood pressure (BP), heart rate (HR), HR variability (HRV) and myocardial contractility were assessed in the absence and presence of individual NSAIDs (10 mg/kg each). Compared with vehicle values, CSA caused immediate and sustained (i) increases in BP and decreases in pulse pressure index (PPI) and HR, (ii) elevations in left ventricular (LV) contractility (dP/dt

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