- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT04197726
Glycaemic Response to High REsistant STarch Bread (REST)
연구 개요
상세 설명
In an attempt to increase dietary fibre intake, research has focused on developing wheat-based food products with novel fibres and starches to complement fibre intake from whole grain foods. Resistant starch is starch that escapes digestion in the small intestine and may be fermented in the large intestine by the microbiota. Resistant starch is a type of dietary fibre and it is normally found in wheat-based foods made from refined flour but only in small amounts. White bread made from sbeIIa/b wheat, which has high levels of resistant starch (a type of fibre), is showing promise in modulating blood glucose response and increasing satiety compared with conventional white bread.
The primary aim of this study is to determine whether consumption of sbeIIa/b white bread at breakfast, gives rise to a lower postprandial blood glucose response compared with consumption of a reference white bread in healthy individuals.
Additional aims of the study include: determining whether consumption of sbeIIa/b white bread by healthy subjects, gives rise to a lower glucose concentration in interstitial fluid, as measured by a Continuous Glucose Monitoring system (CGM), compared with consumption of control white bread; and exploring satiety and energy intake changes in healthy individuals following consumption of sbeIIa/b white bread at breakfast, compared with consumption of control white bread.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
-
-
Norfolk
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Norwich, Norfolk, 영국, NR4 7UQ
- Quadram Institute
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Men and women
- Aged 18 to 65 years
- BMI between 18-25 kg/m2
- Non-smokers
- Those that live within a 40-mile radius of Norwich
Exclusion Criteria:
- Fasting glucose >6.1 mmol/L and/or HbA1c>42 mmol/mol, as assessed by a fasting blood test
- Eligibility screening results indicate they are not suitable to take part in this study
- Smokers (if they have smoked within the 6 weeks prior to the study or during the study)
- Suffer from allergy, intolerance, or sensitivity to gluten, yeast or any of the food ingredients used in this study
- Have a known allergy to adhesives that would prevent proper attachment of the Continuous Glucose Monitoring sensors
- Are pregnant and/or have been pregnant in the last year or are lactating and/or breastfeeding
- Are currently suffering from, or have ever suffered from eating disorders, any diagnosed gastrointestinal disease, gastrointestinal disorders including regular diarrhoea and constipation (excluding hiatus hernia unless symptomatic) or other inflammatory diseases like rheumatoid arthritis (RA), polymyalgia rheumatica or other connective tissues diseases
- Have undergone gastrointestinal surgery; this will be assessed on an individual basis
- Have been diagnosed with diabetes, anaemia as this may affect the study outcome
- Have been diagnosed with any long-term medical condition that may affect the study outcome (e.g. cardiovascular diseases, cancer)
- Regularly take over-the-counter medications for digestive/gastrointestinal conditions
- Use medications likely to interfere with energy metabolism, appetite regulation and hormonal balance, including long-term steroids, antibiotics. They may be able to participate if 4 weeks or more have passed from the end of a course such medication
- Regularly take laxatives (once a month or more) as this may affect blood glucose levels
- Take certain dietary supplements or herbal remedies and are unwilling to stop taking them (if required) for two weeks prior to and during the study period
- Are on, or plan to start, a diet programme that may affect the study outcome (e.g. 5:2 fasting diet) unless willing to abstain for 1 month prior to and during the study period
- Went through a weight change of ≥ 3kg in the preceding 2 months
- Have a recent history of substance abuse
- Regularly consume more than 14 units of alcohol a week
- Are unwilling to suspend smoking and vaping for the duration of the study.
- Are participating in another research project that involves dietary intervention or blood sampling.
- Are unwilling to provide GPs contact details
- Are related to or living with any member of the study team.
- Are unable to provide written informed consent
- Have not donated blood or taken part in another dietary intervention in the last 16 weeks and are unwilling to wait until 16 weeks have elapsed
- Those with abnormal blood pressure measurements
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 기초 과학
- 할당: 무작위
- 중재 모델: 크로스오버 할당
- 마스킹: 삼루타
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
---|---|
실험적: sbeIIa/b white bread
sbeIIa/b white bread with high resistant starch content
|
one bread roll containing approximately 75 g of available carbohydrates to be consumed at breakfast
one bread roll containing approximately 75 g of available carbohydrates to be consumed at breakfast
|
활성 비교기: Control white bread
Reference white bread (wild-type)
|
one bread roll containing approximately 75 g of available carbohydrates to be consumed at breakfast
one bread roll containing approximately 75 g of available carbohydrates to be consumed at breakfast
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Change in postprandial capillary glucose concentration
기간: 3.5 hours
|
Glucose concentration in capillary blood measured by finger prick test after the consumption of sbeIIa/b white bread compared to control white bread. Measurements will be taken during intervention visit 1 and 2 at -15, -10, -5, 15, 30, 45, 60, 75, 90, 120, 150, 180, 210 min. |
3.5 hours
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
---|---|---|
Change in postprandial glucose concentration in interstitial fluid
기간: 4 hours
|
Glucose concentration in interstitial fluid measured by continuous glucose monitoring system after the consumption of sbeIIa/b white bread compared to control white bread. Measurements will be taken during intervention visit 1 and 2 between -30 to 210 min. |
4 hours
|
Ad libitum intake
기간: 2 hours
|
Mean energy intake (kcal) at lunch after consumption of sbeIIa/b and control white bread. Measurements will be taken once during intervention visit 1 and 2. |
2 hours
|
Change in postprandial glucose concentration in interstitial fluid
기간: 4 hours
|
Glucose concentration in interstitial fluid measured by continuous glucose monitoring system after the consumption of ad libitum lunch to explore any second meal effects caused by prior intake of either sbeIIa/b white bread and control white bread at breakfast. Measurements will be taken during intervention visit 1 and 2 between 225 to 465 min. |
4 hours
|
Satiety
기간: 3 hours
|
Change of hunger feeling (appetite) will be examined using visual analog scale (0-10), 0 least and 10 greatest. Measurements will be taken during intervention visit 1 and 2, at 0, 32, 92, 182 min. |
3 hours
|
Sensory questionnaire
기간: 30 minutes
|
Sensory perception of sbeIIa/b white bread and control white bread will be evaluated using a nine-point hedonic scale to determine any differences overall acceptability based on specific attributes. A Just-About-Right (JAR) scale with five anchor points will be used to measure the appropriateness of the level of specific attributes to evaluate aroma, appearance, taste and texture of breads. Measurements will be taken once during intervention visit 1 and 2. |
30 minutes
|
공동 작업자 및 조사자
수사관
- 수석 연구원: Marina Corrado, MSc, PhD student
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
IPD 공유 기간
IPD 공유 액세스 기준
IPD 공유 지원 정보 유형
- 연구 프로토콜
- 통계 분석 계획(SAP)
- 정보에 입각한 동의서(ICF)
- 임상 연구 보고서(CSR)
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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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