Role of Pitavastatin in Prevention of Osteopenic Changes in Ovariectomized Rats

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
Farida QadirAbeer Qamar Siddiqi

Abstract

To determine the effect of pitavastatin, a third generation statin, on development of osteopenia in ovariectomized rats. Experimental study. Department of Pharmacology, Basic Medical Sciences Institute, Jinnah Postgraduate Medical Center, Karachi, from January to July 2013. Forty female Sprague Dawley rats were divided into ovariectomized (OVX), Sham OVX and OVX given pitavastatin 0.4 mg/kg/day, 0.8 mg/kg/day, for 8 weeks. Bone density measurements using CT scan and Archimedes’ principle were made on femora and tibiae. Blood samples were analyzed for acid phosphatase (ACP) and alkaline phosphatase (ALP) levels. Ovariectomy-induced osteopenic changes were indicated by significant decrease in bone densities and Hounsfield (HU) index of distal femoral and proximal tibial metaphyses and elevation of ACP and ALP levels. 0.4 mg/kg pitavastatin did not significantly alter the evaluated parameters. 0.8 mg/kg produced a restoration of HU of lower femur and femoral density comparable to Sham. HU of upper tibia and tibial density following 0.8 mg/kg was significantly higher than OVX but was not approximate to Sham. ALP and ACP with 0.8 mg/kg were comparable to Sham. Supra-therapeutic dose of pitavastatin was effective in preventing ...Continue Reading

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