- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT02215343
Effect of Prebiotic and PUFA on the Gut Microbiota and Metabolic Risk Markers (MyNewGut)
Effect of Prebiotic Fibre and Polyunsaturated Fatty Acid (PUFA) on the Gut Microbiota and Metabolic Risk Markers in a Metabolically Challenged Population
The main objective of this study is to investigate in detail how a high-(prebiotic)fibre diet and a high-PUFA diet affect the gut microbiota composition in a metabolic challenged population, and if the diet-induced modulation of the gut microbiota mediates changes in metabolic risk markers.
Intake of both experimental diets over 4 weeks are expected to induce beneficial changes in the gut microbiota composition and to affect markers for insulin sensitivity, lipid metabolism and inflammation. The investigators hypothesize that the effect of both interventions on the metabolic risk markers will be partly mediated by the diet-induced changes in the gut microbiota composition.
연구 개요
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Frederiksberg, 덴마크, 1958
- Department of Nutrition, Exercise and sports, University of Copenhagen
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- BMI: 25-40 kg/m2
- Non-smoking
- Indices of the Metabolic Syndrome defined by the International Diabetes Federation (IDF 2006):
Central obesity (waist circumference; men: ≥94 cm and women: ≥80 cm) + any one of the following; raised triglyceride level (≥1.7 mmol/L), reduced HDL cholesterol (men: <1.03 mmol/L, women: <1.29 mmol/L), raised BP (systolic ≥130 mm Hg or diastolic ≥85 mm Hg) or raised fasting plasma glucose (≥5.6 mmol/L).
Exclusion Criteria:
- Use of antibiotics
- Weight change >3 kg 2 months prior to study start
- Intensive physical training/ elite athlete
- Medication for dyslipidemia, type 2 diabetes or elevated blood pressure
- Dietary supplements with pro/prebiotics, dietary fibre or fish oil supplement
- Lactation, pregnancy or planning of pregnancy during the study
- Gastro intestinal and liver disorders
- Chronic inflammatory disorders
- Diagnosed psychiatric disorder including treatment required depression
- Surgical treatment of obesity and abdominal surgery
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 방지
- 할당: 무작위
- 중재 모델: 크로스오버 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: High fibre diet (wheat bran extract)
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Patients will be provided with 15g of wheat bran extract (WBE) (Cargill R&D Centre Europe).
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실험적: High PUFA diet (fish oil supplement)
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Patients will be provided with a fish oil supplement (capsules), containing 3-4g of N-3 fatty acids (Axellus A/S, Ishøj, Denmark).
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Change in gut microbiota composition
기간: Week 0, 4, 8, 12
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Gut microbiota composition will be analyzed by use of fecal samples.
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Week 0, 4, 8, 12
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Change in markers for insulin sensitivity
기간: Week 0, 4, 8, 12
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Will be measured by use of fasting blood samples
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Week 0, 4, 8, 12
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Change in markers for lipid metabolism
기간: Week 0, 4, 8, 12
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Will be measured by use of fasting blood samples
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Week 0, 4, 8, 12
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Change in markers for inflammation
기간: Week 0, 4, 8, 12
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Will be measured by use of fasting blood samples
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Week 0, 4, 8, 12
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Faecal SCFA and bile acid composition
기간: Week 0, 4, 8, 12
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Will be analyzed by use of fecal samples.
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Week 0, 4, 8, 12
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Lipidomics
기간: Week 0, 4, 8, 12
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Will be analyzed by use of fasting blood samples and fecal samples.
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Week 0, 4, 8, 12
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Metabolomics
기간: Week 0, 4, 8, 12
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Will be analyzed by use of fasting blood samples, urine and fecal samples.
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Week 0, 4, 8, 12
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기타 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Change in energy expenditure
기간: Week 0, 4, 8, 12
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Resting energy expenditure will be measured by indirect calorimetry in a ventilated hood system
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Week 0, 4, 8, 12
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Gene expression
기간: Week 0, 4, 8, 12
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Adipose tissue biopsies will be used for epigenetic analyses, gene and protein expression (no whole genome or exome sequencing).
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Week 0, 4, 8, 12
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Compliances markers
기간: Week 0, 4, 8, 12
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Compliance will be evaluated from 3-days diet registration and self-reported intake of dietary supplements, PUFA complance markes (fatty acid composition) and body composition
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Week 0, 4, 8, 12
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공동 작업자 및 조사자
수사관
- 수석 연구원: Lesli H Larsen, PhD, Department of Nutrition, Exercise and sports, University of Copenhagen
간행물 및 유용한 링크
일반 간행물
- Benitez-Paez A, Kjolbaek L, Gomez Del Pulgar EM, Brahe LK, Astrup A, Matysik S, Schott HF, Krautbauer S, Liebisch G, Boberska J, Claus S, Rampelli S, Brigidi P, Larsen LH, Sanz Y. A Multi-omics Approach to Unraveling the Microbiome-Mediated Effects of Arabinoxylan Oligosaccharides in Overweight Humans. mSystems. 2019 May 28;4(4):e00209-19. doi: 10.1128/mSystems.00209-19.
- Kjolbaek L, Benitez-Paez A, Gomez Del Pulgar EM, Brahe LK, Liebisch G, Matysik S, Rampelli S, Vermeiren J, Brigidi P, Larsen LH, Astrup A, Sanz Y. Arabinoxylan oligosaccharides and polyunsaturated fatty acid effects on gut microbiota and metabolic markers in overweight individuals with signs of metabolic syndrome: A randomized cross-over trial. Clin Nutr. 2020 Jan;39(1):67-79. doi: 10.1016/j.clnu.2019.01.012. Epub 2019 Feb 19.
유용한 링크
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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