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Archives 2015
Myanmar Health Sciences Research Journal
Volume 27, Number 3
TITLE: Lipid Lowering and Antioxidant Effects of Atorvastatin and Rosuvastatin in Myanmar Hypercholesterolemic Subjects
AUTHOR: Nilar Win Htut, Win Win May & May Hla Thwin
SOURCE: Myanmar Health Sciences Research Journal. 2015; 27(3): 174-179
ABSTRACT: Hypercholesterolemia is a major risk factor for atherosclerosis. Atorvastatin
is one of the routinely used statins and rosuvastatins, newest and efficacious
statin, which is less frequently used in management of hypercholesterolemia
in Myanmar. This study aimed to compare the lipid lowering effect
and antioxidant effect {by measuring plasma malondialdehyde (MDA)
level} of atorvastatin 10 mg with that of rosuvastatin 10 mg in Myanmar
hypercholesterolemic subjects for 6 weeks therapy. Community-based,
interventional study was done in North Okkalapa Township, in which
forty-two hypercholesterolemic subjects screening blood total cholesterol
(TC>200 mg/dl) were divided into two groups of equal number by randomized
computerization. Serum TC, triglyceride (TG), high density
lipoprotein (HDL) and MDA levels were measured. Low density lipoprotein
(LDL) level was calculated. Lipid lowering and antioxidant effects of both
drugs were not significantly different at baseline. After 6-week therapy,
both atorvastatin and rosuvastatin significantly reduced TC (180.98±19.87
and 149.40±17.62 mg/dl, p<0.001), LDL (108.77±18.82 and 79.38±
15.49 mg/dl, p<0.001), TG (107.51±31.82 and 83.91±28.63 mg/dl, p<0.05),
respectively and increased HDL (48.82±3.21 and 51.79±3.78 mg/dl, p<0.05),
respectively. Although both drugs effectively reduced lipid profile,
rosuvastatin significantly produced more reduction in lipid profile than
atorvastatin. Both atorvastatin and rosuvastatin significantly reduced
MDA (2.63±0.991 and 2.28±1.123 mol/L, p<0.05) and rosuvastatin
produced significantly greater reduction than atorvastatin (p<0.05).
Therefore, this study suggested that rosuvastatin can also be used as a firstline
agent in atherosclerosis because of more efficacious lipid lowering
effect and antioxidant (MDA lowering) effect than that of atorvastatin.
SUBJECT HEADINGS: Atorvastatin, Rosuvastatin, Lipid lowering effect, Antioxidant effect, Malondialdehyde
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