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United States Department of Agriculture

Agricultural Research Service

Research Project: Dietary Guidelines Adherence and Healthy Body Weight Maintenance Title: Lifestyle intervention and/or statins for the reduction of C-reactive Protein in Type 2 diabetes: From the Look AHEAD Study

Author
item Raatz, Susan

Submitted to: Obesity
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: February 9, 2013
Publication Date: May 1, 2013
Citation: Raatz, S.K. 2013. Lifestyle intervention and/or statins for the reduction of C-reactive Protein in Type 2 diabetes: From the Look AHEAD Study. Obesity. 21(5):944-950.

Interpretive Summary: Cardiovascular risk remains high despite statin use. Overweight/obese diabetic persons usually have normal/low LDL-cholesterol but high C-reactive protein (CRP) levels. We aimed to examine the effects of intensive lifestyle intervention for weight loss (ILI) on CRP levels in overweight/obese diabetic individuals by statin use. The reduction in CRP levels with ILI at 1 year in men and women on statins higher than for those on statins and usual care. Weight loss was associated with 1-year CRP reduction in statin and nonstatin users. Our findings suggest that in overweight/obese diabetic persons, ILI and statin therapy may have substantial additive anti-inflammatory benefits.

Technical Abstract: Objective: Cardiovascular risk remains high despite statin use. Overweight/obese diabetic persons usually have normal/low LDL-cholesterol but high C-reactive protein (CRP) levels. We aimed to examine the effects of intensive lifestyle intervention for weight loss (ILI) on CRP levels in overweight/obese diabetic individuals by statin use. Design and Methods: Look AHEAD was a randomized trial in overweight/obese type 2 diabetic individuals testing whether ILI would reduce cardiovascular mortality, when compared to usual care. CRP changes in 1,431 participants with biomarker levels, who remained on or off statin treatment for 1 year, were evaluated. Results: The reduction in CRP levels with ILI at 1 year in men and women on statins was -44.9 and -42.3%, respectively, compared to -13.7 and -21.0% for those on statins and usual care (P < 0.0001). At 1 year, median CRP levels were: 1.8 mg L-1 in participants randomized to ILI on statin therapy; 2.6 mg L-1 for those on statins randomized to usual care and 2.9 mg L-1 for participants not on statins but randomized to ILI. Weight loss was associated with 1-year CRP reduction (P < 0.0001) in statin and nonstatin users. Conclusions: Our findings suggest that in overweight/obese diabetic persons, ILI and statin therapy may have substantial additive anti-inflammatory benefits.

Last Modified: 9/1/2014
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