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The effects of two monophasic oral contraceptives containing 30 mcg of ethinyl estradiol and either 2 mg of chlormadinone acetate or 0.15 mg of desogestrel on lipid, hormone and metabolic parameters.

Author(s): Winkler UH, Sudik R

Affiliation(s): Department of Gynaecology and Obstetrics, Clinic of Wetzlar-Braunfels, 35578 Wetzlar, Germany. ulrich.winkler@klinikum-wetzlar-braunfe.de

Publication date & source: 2009-01, Contraception., 79(1):15-23. Epub 2008 Nov 17.

Publication type: Research Support, Non-U.S. Gov't

BACKGROUND: This study was conducted to compare the effects of two monophasic oral contraceptives (OCs) containing ethinyl estradiol (EE) 30 mcg+either chlormadinone acetate (CMA) 2 mg (Belara) or 0.15 mg desogestrel (Marvelon) on lipid, hormone and other relevant metabolic parameters. STUDY DESIGN: Markers of lipid and carbohydrate metabolism, and reproductive hormone levels, were measured in 45 subjects randomly assigned to 6 months of treatment with one of the two OCs. The cortisol response to adrenocorticotrophic hormone (ACTH) stimulation was also evaluated. RESULTS: In both treatment groups, triglycerides, high-density lipoprotein cholesterol (HDL-C), apolipoprotein (Apo) AI and Apo AII levels increased; low-density lipoprotein cholesterol (LDL-C) and the LDL-C/HDL-C ratio decreased; and total cholesterol and lipoprotein(a) were unchanged during treatment. Effects on HDL-C, Apo AI, LDL-C and the LDL-C/HDL-C ratio were more evident in the EE 30 mcg+CMA 2 mg group. Follicle-stimulating hormone, luteinizing hormone and androgen levels decreased and sex hormone-binding globulin levels increased in both groups. Both OCs increased basal cortisol levels and cortisol response to ACTH. Oral contraceptive did not have a clinically significant impact on carbohydrate metabolism. CONCLUSIONS: Both low-dose monophasic OCs had comparable effects on lipid, hormone and metabolic parameters during six cycles of treatment in healthy female subjects. There was some evidence of a beneficial effect on atherogenic cardiovascular risk markers, which was slightly more pronounced with EE 30 mcg+CMA 2 mg.

Page last updated: 2009-02-08

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