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Cholesterol Drugs Linked to Increased Fatigue
Study shows a trend, but heart specialists remain skeptical
By Randy Dotinga
HealthDay Reporter
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THURSDAY, March 12 (HealthDay News) -- People prescribed widely used cholesterol-busting drugs called statins may be more likely to feel fatigued than those who don't, a new study finds.
But the findings don't prove that the medications make people tired, and heart specialists remain skeptical about the study, which focused on two statins, Pravachol and Zocor.
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"There is not sufficient evidence that statins cause fatigue," said Dr. Gregg C. Fonarow, professor of cardiology at the University of California, Los Angeles. "This is not a serious issue for most patients."
The research was expected to be presented this week at a meeting of the American Heart Association in Palm Harbor, Fla.
In the study, researchers led by Beatrice Golomb, associate professor of medicine at the University of California, San Diego, randomly divided 1,016 adults without heart disease or diabetes into three groups and gave them daily doses of 20 milligrams of simvastatin (Zocor), 40 milligrams of pravastatin (Pravachol), or a placebo for six months.
On average, the subjects were in their mid-50s during the study, which took place between 2000 and 2005.
The researchers found that people on simvastatin reported reduced energy and activity levels, while those on pravastatin reported reduced energy levels only. On average, Golomb said that those who took the statins reported levels of energy that were 5 percent lower than those who took a placebo.
"One concern is that fatigue and loss of interest in activity translates to reduced activity," Golomb said. "Activity protects against several major adverse outcomes in terms of cardiovascular disease, cancer, depression and cognitive loss."
While the study only looked at two cholesterol-lowering drugs, it appears that other drugs included in this class might have similar effects, Golomb said. Other popular statins include drugs such as Crestor, Lipitor and Mevacor.
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Copyright © 2009 ScoutNews, LLC. All rights reserved.
Last updated 3/12/2009
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SOURCES: Gregg C. Fonarow, M.D., professor, cardiology, University of California, Los Angeles; Beatrice Golomb, M.D., Ph.D., associate professor of medicine, University of California, San Diego; Donald Smith, M.D., director of lipids and metabolism, Cardiovascular Institute, Mount Sinai Medical Center, New York City; American Heart Association's Cardiovascular Disease Epidemiology and Prevention Annual Conference, Palm Harbor, Fla.
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