• Erin K Reindl, Bradley M Wright, and Kurt A Wargo.
• Saint Thomas Hospital, Nashville, TN, USA. erin.reindl@stthomas.org
• Ann Pharmacother. 2010 Sep 1; 44 (9): 1459-70.

ObjectiveTo evaluate the safety, efficacy, and cost of alternate-day statin therapy in the treatment of hyperlipidemia.Data SourcesSystematic searches were conducted for primary literature sources involving alternative statin regimens using PubMed, EMBASE, Google Scholar, and International Pharmaceutical Abstracts (January 1966-March 2010). Articles selected were limited to those published in the English language. Reference citations from relevant publications identified were also reviewed.Study Selection And Data ExtractionAll English-language articles identified were reviewed and 17 trials (14 prospective and 3 retrospective) involving alternate-day statin dosing were included. Studies involving alternative statin dosing regimens other than alternating days were excluded from this review.Data SynthesisDaily administration of statins is the standard of therapy used to reduce low-density lipoprotein cholesterol (LDL-C) levels as well as atherosclerosis that may lead to coronary events. Through LDL-C lowering and pleiotropic effects, statins decrease cardiovascular morbidity and mortality. Unfortunately, due to cost and adverse effects of statins, some patients are nonadherent to statin therapy. Several small studies have found alternate-day statin therapy to be as effective at reducing LDL-C as daily administration, while also lowering the incidence of adverse reactions and potentially lowering cost.ConclusionsAlternate-day statin therapy may decrease cost and therapy-limiting adverse reactions while potentially increasing regimen adherence and positively affecting the lipid panel. Further research is needed to determine whether this alternative regimen produces similar cardiovascular outcomes as those with daily statin therapy.

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