Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study

Susumu Yoshino,1 Riyo Awa,1 Yasuo Miyake,1 Ikuo Fukuhara,2 Hisao Sato,3 Toyotada Ashino,3 Shinpei Tomita,3 Hiroshige Kuwahara1 1Research and Development Division, Research Center, Maruzen Pharmaceuticals Co., Ltd., Hiroshima, Japan; 2Fukuhara Clinic, Hokkaido, Japan; 3Clinical Research Department, N...

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Autores principales:	Yoshino S, Awa R, Miyake Y, Fukuhara I, Sato H, Ashino T, Tomita S, Kuwahara H
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	healthy subjects Kaempferia parviflora obesity randomized clinical trial triglyceride visceral fat Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/937ca3880bca4dfd86f1af06058700b9
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spelling	oai:doaj.org-article:937ca3880bca4dfd86f1af06058700b92021-12-02T03:45:18ZDaily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study1178-7007https://doaj.org/article/937ca3880bca4dfd86f1af06058700b92018-08-01T00:00:00Zhttps://www.dovepress.com/daily-intake-of-kaempferia-parviflora-extract-decreases-abdominal-fat--peer-reviewed-article-DMSOhttps://doaj.org/toc/1178-7007Susumu Yoshino,1 Riyo Awa,1 Yasuo Miyake,1 Ikuo Fukuhara,2 Hisao Sato,3 Toyotada Ashino,3 Shinpei Tomita,3 Hiroshige Kuwahara1 1Research and Development Division, Research Center, Maruzen Pharmaceuticals Co., Ltd., Hiroshima, Japan; 2Fukuhara Clinic, Hokkaido, Japan; 3Clinical Research Department, New Drug Research Center, Inc., Hokkaido, Japan Purpose: Obesity is a serious problem, which is now a worldwide health problem. Kaempferia parviflora extract (KPE) exhibits anti-obesity effects in animals. However, as no clinical trials have evaluated the anti-obesity effects of KPE in humans, we examined the effects of KPE in reducing abdominal fat in overweight and preobese Japanese subjects. Materials and methods: A 12-week, single-center, randomized, double-blind, placebo-controlled clinical trial was conducted. Seventy-six subjects (males and females aged 20 to <65 years) with a body mass index ≥24 and <30 kg/m2 were randomly assigned into two groups. The subjects in each group ingested one capsule of placebo or active KPE (containing 150 mg of KPE) once daily for 12 weeks. The primary outcome was reduction in visceral fat area as determined by computed tomography scanning. The key secondary outcomes were reductions in subcutaneous fat area and total fat area. Subgroup analysis was also performed in healthy subjects without dyslipidemia, hypertension, or hyperglycemia. The safety of KPE ingestion was also evaluated. Results: Compared with the placebo group, the active KPE group exhibited significant reduction in abdominal fat area (visceral, subcutaneous, and total fat) and triglyceride levels after 12 weeks. Subgroup analyses demonstrated a significant reduction in abdominal fat area and triglyceride levels in healthy subjects compared with the placebo group after 12 weeks. Neither group exhibited adverse events related to the test foods or clinically relevant abnormal changes in physical, biochemical, or hematologic parameters, or in urinalysis results and medical interview. Conclusion: Daily ingestion of KPE safely reduces body fat, particularly abdominal fat, in Japanese overweight and preobese subjects. Keywords: healthy subjects, metabolic disorder, obesity, randomized clinical trial, triglyceride, visceral fatYoshino SAwa RMiyake YFukuhara ISato HAshino TTomita SKuwahara HDove Medical Pressarticlehealthy subjectsKaempferia parvifloraobesityrandomized clinical trialtriglyceridevisceral fatSpecialties of internal medicineRC581-951ENDiabetes, Metabolic Syndrome and Obesity: Targets and Therapy, Vol Volume 11, Pp 447-458 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	healthy subjects Kaempferia parviflora obesity randomized clinical trial triglyceride visceral fat Specialties of internal medicine RC581-951
spellingShingle	healthy subjects Kaempferia parviflora obesity randomized clinical trial triglyceride visceral fat Specialties of internal medicine RC581-951 Yoshino S Awa R Miyake Y Fukuhara I Sato H Ashino T Tomita S Kuwahara H Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
description	Susumu Yoshino,1 Riyo Awa,1 Yasuo Miyake,1 Ikuo Fukuhara,2 Hisao Sato,3 Toyotada Ashino,3 Shinpei Tomita,3 Hiroshige Kuwahara1 1Research and Development Division, Research Center, Maruzen Pharmaceuticals Co., Ltd., Hiroshima, Japan; 2Fukuhara Clinic, Hokkaido, Japan; 3Clinical Research Department, New Drug Research Center, Inc., Hokkaido, Japan Purpose: Obesity is a serious problem, which is now a worldwide health problem. Kaempferia parviflora extract (KPE) exhibits anti-obesity effects in animals. However, as no clinical trials have evaluated the anti-obesity effects of KPE in humans, we examined the effects of KPE in reducing abdominal fat in overweight and preobese Japanese subjects. Materials and methods: A 12-week, single-center, randomized, double-blind, placebo-controlled clinical trial was conducted. Seventy-six subjects (males and females aged 20 to <65 years) with a body mass index ≥24 and <30 kg/m2 were randomly assigned into two groups. The subjects in each group ingested one capsule of placebo or active KPE (containing 150 mg of KPE) once daily for 12 weeks. The primary outcome was reduction in visceral fat area as determined by computed tomography scanning. The key secondary outcomes were reductions in subcutaneous fat area and total fat area. Subgroup analysis was also performed in healthy subjects without dyslipidemia, hypertension, or hyperglycemia. The safety of KPE ingestion was also evaluated. Results: Compared with the placebo group, the active KPE group exhibited significant reduction in abdominal fat area (visceral, subcutaneous, and total fat) and triglyceride levels after 12 weeks. Subgroup analyses demonstrated a significant reduction in abdominal fat area and triglyceride levels in healthy subjects compared with the placebo group after 12 weeks. Neither group exhibited adverse events related to the test foods or clinically relevant abnormal changes in physical, biochemical, or hematologic parameters, or in urinalysis results and medical interview. Conclusion: Daily ingestion of KPE safely reduces body fat, particularly abdominal fat, in Japanese overweight and preobese subjects. Keywords: healthy subjects, metabolic disorder, obesity, randomized clinical trial, triglyceride, visceral fat
format	article
author	Yoshino S Awa R Miyake Y Fukuhara I Sato H Ashino T Tomita S Kuwahara H
author_facet	Yoshino S Awa R Miyake Y Fukuhara I Sato H Ashino T Tomita S Kuwahara H
author_sort	Yoshino S
title	Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
title_short	Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
title_full	Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
title_fullStr	Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
title_full_unstemmed	Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
title_sort	daily intake of kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/937ca3880bca4dfd86f1af06058700b9
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Daily intake of Kaempferia parviflora extract decreases abdominal fat in overweight and preobese subjects: a randomized, double-blind, placebo-controlled clinical study

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