AimsCo-primary objectives were to evaluate dalcetrapib (JTT-705/RO4607381), which targets cholesteryl ester transfer protein (CETP), effects on high-density lipoprotein cholesterol (HDL-C) in participants with coronary heart disease or risk equivalents and to evaluate potential changes in mesenteric lymph nodes.Methods and resultsDouble-blind trial with participants randomized (2:1) to dalcetrapib 900 mg/day (higher than 600 mg phase III dose) or placebo, both with atorvastatin, for 24 weeks (n = 135; one without post-baseline efficacy data was excluded from intent-to-treat population); a subset continued for 24-week extension (n = 77). Lipid changes and safety parameters were assessed. Mesenteric lymph nodes were evaluated by magnetic resonance imaging. Dalcetrapib increased HDL-C (33.4%, Week 24; 33.8%, Week 48), decreased CETP activity (–53.5%, Week 24; –56.5%, Week 48), and increased apolipoprotein A-I (11.4%, Week 24; 16.4%, Week 48). Dalcetrapib showed no clinically relevant differences vs. placebo in adverse events, laboratory parameters including aldosterone, electrocardiograms, and vital signs including blood pressure (BP). Dalcetrapib had no measurable, clinically relevant effect on lymph node size.ConclusionDalcetrapib 900 mg administered for up to 48 weeks showed no clinically relevant changes in lymph nodes, BP, or other safety parameters. Dalcetrapib effectively increased HDL-C over 48 weeks of treatment.

Colesevelam HCl plus ezetimibe combination therapy significantly reduced mean LDL-C, TC, non-HDL-C, and apo B levels and increased apo A-I levels (p < 0.005 for all) without significantly increasing median TG levels in hypercholesterolemic subjects compared with ezetimibe alone. Although limited in that atherosclerotic coronary heart disease outcomes were not evaluated, this study demonstrated that combining colesevelam HCl with ezetimibe is a therapeutic option in hypercholesterolemic patients, such as those in whom statins are contraindicated and/or who may have intolerances to statin therapy.

This long-term study demonstrated that fenofibric acid + moderate-dose statin was generally well tolerated with no new or unexpected safety concerns, and resulted in comprehensive and sustained lipid improvements in patients with mixed dyslipidaemia.

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