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Zabihi M, Askarian F, Hekmati Moghaddam S H, Rajaee M. Carvedilol: A Promising Drug Combined With Lipid-lowering Medications for Patients With Hypertension and Heart Failure. IJT 2020; 14 (4) :245-252
URL: http://ijt.arakmu.ac.ir/article-1-866-en.html

Background: Statins frequently cause myopathy especially in combination with fibrates, and physical activity is considered a trigger for the muscle disorder. Elevated plasma levels of creatine kinase (CK), lactate dehydrogenase (LDH) and aldolase, are the main indicators of the severity of myopathy. Carvedilol is commonly used with lipid-lowering drugs in the management of heart failure, hypertension and dyslipidemia. It is not yet clear whether carvedilol, an alpha and β blocker, and anti-oxidant, may influence the development of myopathy when combined with statins and fibrates in cardiac patients. 
Methods: In this animal experiment, a 10 days regimen containing oral atorvastatin and gemfibrozil at doses of 80 and 1000 mg/kg/day, respectively, was used to induce myopathy in rats. The animals were forced to swim in a pool on days 8, 9 and 10 into the study. Carvedilol (2.5 mg/kg/day) was added to atorvastatin and gemfibrozil during the 10-day study period, in addition to the exercise protocol given to the treatment groups only. The mean of swimming tolerance times and the serum levels of CK, LDH and aldolase were measured at the completion of the study. 
Results: Carvedilol did not significantly alter the swimming tolerance time or the plasma levels of CK, LDH and aldolase in the rats receiving ATV, GMF and carvedilol plus the exercise protocol, compared with those that did not receive carvedilol (P>0.05).
Conclusion: Carvedilol may be used in combination with lipid-lowering drug in the management of patients with heart failure and hypertension, pending its safety approval by clinical studies in humans.