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Efficacy and Safety of Pemafibrate, a Novel Selective Peroxisome Proliferator-Activated Receptor ? Modulator (SPPARM?): Pooled Analysis of Phase 2 and 3 Studies in Dyslipidemic Patients with or without Statin Combination.

ABSTRACT: Hypertriglyceridemia has emerged as an independent risk factor for cardiovascular events, despite low-density lipoprotein-cholesterol (LDL-C) well-controlled with statins. We pooled data from the first 12 weeks of six randomized double-blind placebo-controlled studies of pemafibrate in Japan and investigated its efficacy and safety with and without statins, particularly focusing on patients with renal dysfunction. Subjects were 1253 patients (677 in the "with-statin" group and 576 in the "without-statin" group). At Week 12 (last observation carried forward), triglyceride (TG) was significantly reduced at all pemafibrate doses (0.1, 0.2, and 0.4 mg/day), both with and without statin, compared to placebo (p < 0.001 vs. placebo for all groups). In the "with-statin" group, the estimated percent change from baseline was -2.0% for placebo and -45.1%, -48.5%, and -50.0%, respectively, for the pemafibrate groups. Findings for both groups showed significant decreases in TG-rich lipoproteins and atherogenic lipid parameters compared to placebo. The incidence of adverse events was similar between the pemafibrate and placebo groups and was also similar for patients with and without renal dysfunction in the "with-statin" group. Pemafibrate lowered TG and improved atherogenic dyslipidemia without a significant increase in adverse events in comparison to the placebo, even among "with-statin" patients who had renal dysfunction.

SUBMITTER: Yamashita S

PROVIDER: S-EPMC6888510 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Publications

Efficacy and Safety of Pemafibrate, a Novel Selective Peroxisome Proliferator-Activated Receptor α Modulator (SPPARMα): Pooled Analysis of Phase 2 and 3 Studies in Dyslipidemic Patients with or without Statin Combination.

Yamashita Shizuya S Arai Hidenori H Yokote Koutaro K Araki Eiichi E Matsushita Mitsunori M Nojima Toshiaki T Suganami Hideki H Ishibashi Shun S

International journal of molecular sciences 20191106 22

Hypertriglyceridemia has emerged as an independent risk factor for cardiovascular events, despite low-density lipoprotein-cholesterol (LDL-C) well-controlled with statins. We pooled data from the first 12 weeks of six randomized double-blind placebo-controlled studies of pemafibrate in Japan and investigated its efficacy and safety with and without statins, particularly focusing on patients with renal dysfunction. Subjects were 1253 patients (677 in the "with-statin" group and 576 in the "withou ...[more]

PMID: 31698825

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Project description:BACKGROUND New pharmacological approaches are needed to prevent stent restenosis. This study tested the hypothesis that pemafibrate, a novel clinical selective PPARα (peroxisome proliferator-activated receptor α) agonist, suppresses coronary stent-induced arterial inflammation and neointimal hyperplasia. METHODS AND RESULTS Yorkshire pigs randomly received either oral pemafibrate (30 mg/day; n=6) or control vehicle (n=7) for 7 days, followed by coronary arterial implantation of 3.5 × 12 mm bare metal stents (2-4 per animal; 44 stents total). On day 7, intracoronary molecular-structural near-infrared fluorescence and optical coherence tomography imaging was performed to assess the arterial inflammatory response, demonstrating that pemafibrate reduced stent-induced inflammatory protease activity (near-infrared fluorescence target-to-background ratio: pemafibrate, median [25th-75th percentile]: 2.8 [2.5-3.3] versus control, 4.1 [3.3-4.3], P=0.02). At day 28, animals underwent repeat near-infrared fluorescence-optical coherence tomography imaging and were euthanized, and coronary stent tissue molecular and histological analyses. Day 28 optical coherence tomography imaging showed that pemafibrate significantly reduced stent neointima volume (pemafibrate, 43.1 [33.7-54.1] mm3 versus control, 54.2 [41.2-81.1] mm3; P=0.03). In addition, pemafibrate suppressed day 28 stent-induced cellular inflammation and neointima expression of the inflammatory mediators TNF-α (tumor necrosis factor-α) and MMP-9 (matrix metalloproteinase 9) and enhanced the smooth muscle differentiation markers calponin and smoothelin. In vitro assays indicated that the STAT3 (signal transducer and activator of transcription 3)-myocardin axes mediated the inhibitory effects of pemafibrate on smooth muscle cell proliferation. CONCLUSIONS Pemafibrate reduces preclinical coronary stent inflammation and neointimal hyperplasia following bare metal stent deployment. These results motivate further trials evaluating pemafibrate as a new strategy to prevent clinical stent restenosis.

Dataset Information

Efficacy and Safety of Pemafibrate, a Novel Selective Peroxisome Proliferator-Activated Receptor ? Modulator (SPPARM?): Pooled Analysis of Phase 2 and 3 Studies in Dyslipidemic Patients with or without Statin Combination.

Publications

Efficacy and Safety of Pemafibrate, a Novel Selective Peroxisome Proliferator-Activated Receptor α Modulator (SPPARMα): Pooled Analysis of Phase 2 and 3 Studies in Dyslipidemic Patients with or without Statin Combination.

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