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JAIDS Journal of Acquired Immune Deficiency Syndromes:
doi: 10.1097/QAI.0b013e3182a60e82
Clinical Science

Comparative Effectiveness of Fish Oil Versus Fenofibrate, Gemfibrozil, and Atorvastatin on Lowering Triglyceride Levels Among HIV-Infected Patients in Routine Clinical Care

Muñoz, Monica A. PharmD, MS*,†; Liu, Wei MD, MS*; Delaney, Joseph A.C. PhD*,‡; Brown, Elizabeth PhD; Mugavero, Michael J. MD§; Mathews, W. Chris MD; Napravnik, Sonia PhD; Willig, James H. MD§; Eron, Joseph J. MD; Hunt, Peter W. MD#; Kahn, James O. MD#; Saag, Michael S. MD§; Kitahata, Mari M. MD, MPH; Crane, Heidi M. MD, MPH

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Abstract

Objective: The goal of this study was to compare the effectiveness of fish oil, fenofibrate, gemfibrozil, and atorvastatin on reducing triglyceride (TG) levels among a large cohort of HIV-infected patients in clinical care.

Design: Retrospective observational cohort study.

Methods: The primary endpoint was absolute change in TG levels measured using the last TG value pretreatment and the first TG value posttreatment. A pre–post quasi-experimental design was used to estimate the change in TG because of initiating fish oil. Linear regression models examined the comparative effectiveness of treatment with fish oil versus gemfibrozil, fenofibrate, or atorvastatin for TG reduction. Models were adjusted for baseline differences in age, sex, race, CD4+ cell count, diabetes, body mass index, protease inhibitor use, and time between TG measures.

Results: A total of 493 patients (mean age, 46 years; 95% male) were included (46 patients receiving gemfibrozil; 80, fenofibrate; 291, atorvastatin; and 76, fish oil) with a mean baseline TG of 347 mg/dL. New use of fish oil decreased TG [ΔTG, −45 mg/dL; 95% confidence interval (CI): −80 to −11] in the pre–post study. Compared with fish oil (reference), fibrates were more effective (ΔTG, −66; 95% CI: −120 to −12) in reducing TG levels, whereas atorvastatin was not (ΔTG, −39; 95% CI: −86 to 9).

Conclusions: In HIV-infected patients in routine clinical care, fish oil is less effective than fibrates (but not atorvastatin) at lowering TG values. Fish oil may still represent an attractive alternative for patients with moderately elevated TGs, particularly among patients who may not want or tolerate fibrates.

© 2013 by Lippincott Williams & Wilkins

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