Cholesterol lowering in the elderly: Results of the cholesterol reduction in seniors program (CRISP) pilot study

John C. LaRosa, William Applegate, John R. Crouse, Donald B. Hunninghake, Richard Grimm, Robert Knopp, John H. Eckfeldt, Clarence E. Davis, David J. Gordon

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93 Scopus citations


Background: Total and lipoprotein cholesterol levels continue to be predictors of coronary heart disease risk in men and women over 65 years old. Cholesterol-lowering trials, however, while sometimes including such subjects, have not concentrated on this age group. The Cholesterol Reduction in Seniors Program was a liver-center pilot study to assess feasibility of recruitment and efficacy of cholesterol lowering in this age group. Methods: The study was a randomized, double-masked clinical trial with placebo, 20-mg lovastatin, and 40-mg lovastatin arms. Major efforts were made to recruit women and minorities. Participants were followed up for 1 year on a cholesterol-lowering diet plus placebo or study drug. End points were changes in blood lipid levels. Data on other blood chemistry values, as well as quality-of-life measures and coronary heart disease morbidity and mortality, were also collected. Results: Four hundred thirty-one subjects with low- density lipoprotein cholesterol levels greater than 4.1 and less than 5.7 mmol/L (159 and 221 mg/dL) were randomized, of whom 71% were women and 21% were African Americans; the mean age was 71 years. In the 20- and 40-mg lovastatin groups, total cholesterol levels fell 17% and 20%; low-density lipoprotein cholesterol levels fell 24% and 28%, triglyceride levels fell 4.4% and 9.9%, respectively. High-density lipoprotein cholesterol levels rose 7.0% and 9.0%, respectively. No changes were observed in the placebo group. Gender, race, and age did not significantly affect responses. Coronary heart disease morbidity and mortality data were collected but not analyzed for this study. Conclusion: Older subjects of both genders and a variety of racial and ethnic groups can be successfully recruited into a cholesterol-lowering trial. Lovastatin has effects similar to those reported in younger subjects in previous controlled trials. There is little advantage to the higher lovastatin daily dose. Side effects were remarkably low in all groups.

Original languageEnglish (US)
Pages (from-to)529-539
Number of pages11
JournalArchives of Internal Medicine
Issue number5
StatePublished - Mar 14 1994


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