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Title: [The effects of simvastatin combined with different antioxidant vitamin regimens on serum lipid profile in patients with low HDL cholesterol levels].
Author: Pirat B, Korkmaz ME, Eroğlu S, Tayfun E, Yildirir A, Uluçam M, Ozin B, Müderrisoğlu H.
Journal: Anadolu Kardiyol Derg; 2004 Dec; 4(4):318-22. PubMed ID: 15590360.
Abstract:
OBJECTIVE: This study was designed to compare the effects of simvastatin versus a combination of simvastatin with vitamin C or E on serum lipid profile, particularly, high-density lipoprotein (HDL)-cholesterol (C) level, in patients with a low HDL-C level. METHODS: Fifty-nine women and 49 men, who had a baseline HDL-C level equal to or lower than 40 mg/dl were randomized to one of the following study treatment groups: Group S (n=39) simvastatin 20 mg/day, Group S+C (n=33) simvastatin 20 mg/day + vitamin C 500 mg/day, and Group S+E (n=36) simvastatin 20 mg/day + vitamin E 400 IU/day. The groups' lipid profiles were obtained at baseline, 3rd and 6th months. RESULTS: Comparing with baseline values, total-C and low-density cholesterol (LDL-C) values significantly reduced (p<0.001) and HDL-C values significantly increased (Group S--33.9+/-3.9 mg/dl vs. 39.8+/-6.9 mg/dl, Group S+C--34.2+/-3.5 mg/dl vs. 38.1+/-6.1 mg/dl, Group S+E--33.1+/-3.6 mg/dl vs. 34.8+/-5.9 mg/dl, p<0.001) on therapy within the groups; however, there were no significant differences among the groups with regards to these parameters. The HDL-C levels increased from baseline by 14.0%, 11.7% and 10.2% in Group S, S+C, and S+E, respectively (p>0.05). CONCLUSION: A combination of simvastatin with antioxidant vitamins does not offer any beneficial effect over simvastatin alone. Particularly vitamin E seems to blunt the simvastatin induced HDL-C increase.

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