{"title":"每周一次皮下注射西马鲁肽对日本超重和肥胖成人腹部内脏脂肪面积的影响：step6试验的事后分析","authors":"Takashi Kadowaki, Tomoyuki Nishida, Wataru Ogawa, Maria Overvad, Kazuyuki Tobe, Toshimasa Yamauchi","doi":"10.1016/j.orcp.2025.03.003","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>A post hoc analysis of a subset of participants with visceral fat area (VFA) measurements in the STEP 6 trial was conducted to examine both the correlation between VFA and clinical parameters and the effect of semaglutide on VFA in key subgroups.</p><p><strong>Methods: </strong>Participants were Japanese adults aged ≥ 20 years with obesity disease, randomized to once-weekly subcutaneous semaglutide 2.4 mg, semaglutide 1.7 mg, or placebo, plus lifestyle recommendations, for 68 weeks. Correlation between baseline VFA (and change in VFA from baseline to week 68) and clinical parameters (body weight, body mass index [BMI], waist circumference, hepatic parameters, glycated hemoglobin, blood pressure, lipids, high-sensitivity C-reactive protein, and plasminogen activator inhibitor-1 [PAI-1]) was evaluated. Percentage change in VFA between semaglutide and placebo was compared across subgroups.</p><p><strong>Results: </strong>Among 180 participants (semaglutide 2.4 mg, n = 89; semaglutide 1.7 mg, n = 46; placebo, n = 45), mean VFA was 170.0 cm<sup>2</sup> across subgroups. A positive correlation (Pearson's correlation coefficient [r] ≥0.3) was observed between baseline VFA and body weight (r = 0.415), BMI (r = 0.374), and both JASSO and WHO criterion waist circumference (r = 0.458 and r = 0.555). Correlation between changes in VFA and body weight, waist circumference, high-density and very low-density lipoprotein cholesterol, triglycerides, PAI-1, aspartate aminotransferase, and alanine transaminase were observed in ≥ 1 treatment arm. Semaglutide 2.4 mg and 1.7 mg reduced VFA compared with placebo in all subgroups.</p><p><strong>Conclusions: </strong>VFA partially correlated with clinical parameters in Japanese adults with obesity disease. Subcutaneous semaglutide was an efficacious treatment option for the reduction of VFA, regardless of clinical characteristics.</p><p><strong>Trial registry name: </strong>CT.gov TRIAL REGISTRATION IDENTIFICATION NUMBER: NCT03811574.</p>","PeriodicalId":19408,"journal":{"name":"Obesity research & clinical practice","volume":" ","pages":""},"PeriodicalIF":2.5000,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of once-weekly subcutaneous semaglutide on abdominal visceral fat area in Japanese adults with overweight and obesity: A post hoc analysis of the STEP 6 trial.\",\"authors\":\"Takashi Kadowaki, Tomoyuki Nishida, Wataru Ogawa, Maria Overvad, Kazuyuki Tobe, Toshimasa Yamauchi\",\"doi\":\"10.1016/j.orcp.2025.03.003\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>A post hoc analysis of a subset of participants with visceral fat area (VFA) measurements in the STEP 6 trial was conducted to examine both the correlation between VFA and clinical parameters and the effect of semaglutide on VFA in key subgroups.</p><p><strong>Methods: </strong>Participants were Japanese adults aged ≥ 20 years with obesity disease, randomized to once-weekly subcutaneous semaglutide 2.4 mg, semaglutide 1.7 mg, or placebo, plus lifestyle recommendations, for 68 weeks. Correlation between baseline VFA (and change in VFA from baseline to week 68) and clinical parameters (body weight, body mass index [BMI], waist circumference, hepatic parameters, glycated hemoglobin, blood pressure, lipids, high-sensitivity C-reactive protein, and plasminogen activator inhibitor-1 [PAI-1]) was evaluated. Percentage change in VFA between semaglutide and placebo was compared across subgroups.</p><p><strong>Results: </strong>Among 180 participants (semaglutide 2.4 mg, n = 89; semaglutide 1.7 mg, n = 46; placebo, n = 45), mean VFA was 170.0 cm<sup>2</sup> across subgroups. A positive correlation (Pearson's correlation coefficient [r] ≥0.3) was observed between baseline VFA and body weight (r = 0.415), BMI (r = 0.374), and both JASSO and WHO criterion waist circumference (r = 0.458 and r = 0.555). Correlation between changes in VFA and body weight, waist circumference, high-density and very low-density lipoprotein cholesterol, triglycerides, PAI-1, aspartate aminotransferase, and alanine transaminase were observed in ≥ 1 treatment arm. Semaglutide 2.4 mg and 1.7 mg reduced VFA compared with placebo in all subgroups.</p><p><strong>Conclusions: </strong>VFA partially correlated with clinical parameters in Japanese adults with obesity disease. Subcutaneous semaglutide was an efficacious treatment option for the reduction of VFA, regardless of clinical characteristics.</p><p><strong>Trial registry name: </strong>CT.gov TRIAL REGISTRATION IDENTIFICATION NUMBER: NCT03811574.</p>\",\"PeriodicalId\":19408,\"journal\":{\"name\":\"Obesity research & clinical practice\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-04-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Obesity research & clinical practice\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1016/j.orcp.2025.03.003\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENDOCRINOLOGY & METABOLISM\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Obesity research & clinical practice","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1016/j.orcp.2025.03.003","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENDOCRINOLOGY & METABOLISM","Score":null,"Total":0}
Effect of once-weekly subcutaneous semaglutide on abdominal visceral fat area in Japanese adults with overweight and obesity: A post hoc analysis of the STEP 6 trial.
Objective: A post hoc analysis of a subset of participants with visceral fat area (VFA) measurements in the STEP 6 trial was conducted to examine both the correlation between VFA and clinical parameters and the effect of semaglutide on VFA in key subgroups.
Methods: Participants were Japanese adults aged ≥ 20 years with obesity disease, randomized to once-weekly subcutaneous semaglutide 2.4 mg, semaglutide 1.7 mg, or placebo, plus lifestyle recommendations, for 68 weeks. Correlation between baseline VFA (and change in VFA from baseline to week 68) and clinical parameters (body weight, body mass index [BMI], waist circumference, hepatic parameters, glycated hemoglobin, blood pressure, lipids, high-sensitivity C-reactive protein, and plasminogen activator inhibitor-1 [PAI-1]) was evaluated. Percentage change in VFA between semaglutide and placebo was compared across subgroups.
Results: Among 180 participants (semaglutide 2.4 mg, n = 89; semaglutide 1.7 mg, n = 46; placebo, n = 45), mean VFA was 170.0 cm2 across subgroups. A positive correlation (Pearson's correlation coefficient [r] ≥0.3) was observed between baseline VFA and body weight (r = 0.415), BMI (r = 0.374), and both JASSO and WHO criterion waist circumference (r = 0.458 and r = 0.555). Correlation between changes in VFA and body weight, waist circumference, high-density and very low-density lipoprotein cholesterol, triglycerides, PAI-1, aspartate aminotransferase, and alanine transaminase were observed in ≥ 1 treatment arm. Semaglutide 2.4 mg and 1.7 mg reduced VFA compared with placebo in all subgroups.
Conclusions: VFA partially correlated with clinical parameters in Japanese adults with obesity disease. Subcutaneous semaglutide was an efficacious treatment option for the reduction of VFA, regardless of clinical characteristics.
期刊介绍：
The aim of Obesity Research & Clinical Practice (ORCP) is to publish high quality clinical and basic research relating to the epidemiology, mechanism, complications and treatment of obesity and the complication of obesity. Studies relating to the Asia Oceania region are particularly welcome, given the increasing burden of obesity in Asia Pacific, compounded by specific regional population-based and genetic issues, and the devastating personal and economic consequences. The journal aims to expose health care practitioners, clinical researchers, basic scientists, epidemiologists, and public health officials in the region to all areas of obesity research and practice. In addition to original research the ORCP publishes reviews, patient reports, short communications, and letters to the editor (including comments on published papers). The proceedings and abstracts of the Annual Meeting of the Asia Oceania Association for the Study of Obesity is published as a supplement each year.
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