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Statins may decrease serum testosterone levels via decreasing cholesterol. This longitudinal study detected the effects of rosuvastatin on free testosterone levels and sexual function in men with type 2 diabetes.
Methods:
Investigator enroll 150 men with type 2 diabetes and hypercholesterolemia. Biochemical assessments include serum total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein, triglyceride, prolactin, thyroid-stimulating hormone, luteinizing hormone, follicle stimulating hormone, total testosterone and serum sex hormone binding globulin (SHBG). All parameters are measured before statin treatment, after 6 months of statin treatment and 6 months after discontinuing statin treatment. Scores of the sexual health inventory for men (SHIM) are also evaluated.
Full description
Autonomic neuropathy and hypogonadism are the cause of impotence in men with diabetes. Hypercholesterolemia is also one of the dominant co-morbidity of diabetes. Many men with diabetes are being treated with statins to low down the serum levels of cholesterol. However, cholesterol is the major substrate for testosterone biosynthesis, statin may decrease serum testosterone levels via decreasing cholesterol level. In previous studies, few longitudinal studies with few enrolled subject were done before and with conflict results. Free testosterone is also not routinely used, so compromised the accuracy. The investigators will analyze the effect of statins on free testosterone levels in a longitudinal study of men with type 2 diabetes and do animal study to realize if the statin will influence the sex organ of rat.
Methods:
Investigator will enroll 150 men with type 2 diabetes and hypercholesterolemia. Clinical and biochemical assessments include blood pressure, HbA1C, lipid profile, height, weight, and waist circumference, luteinizing hormone (LH), follicle stimulating hormone (FSH) and free testosterone , which will be measured before statin treatment, after 3 months of statin treatment and then after quitted statin treatment for 3 months, and also give questionnaire about sex function.
The investigators expect:
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151 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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