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CP: Intestinal Permeability

2026년 5월 22일 업데이트: Rousselot BVBA

Effects of Collagen Peptide on Intestinal Permeability Following an Acute Aspirin Challenge in Adults With Moderate GI Symptoms: a Double-blind, Placebo-controlled, Randomised Study.

The goal of this clinical trial is to evaluate the effects of 45 days daily administration of three different doses (2.5g, 5g, and 10g) of collagen peptide in healthy adults as compared to a Placebo on intestinal permeability following an acute aspirin challenge. The main question it aims to answer is change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide, respectively as compared to a Placebo on intestinal permeability measured by the urinary lactulose : mannitol ratio (test collected over a period of 5 hours).

연구 개요

연구 유형

중재적

등록 (추정된)

92

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 장소

    • Ireland
      • Cork, Ireland, 아일랜드, T23 R50R
        • 모병
        • Atlantia Clinical Trials

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

예

설명

Inclusion Criteria:

  1. Be able to give written informed consent.
  2. Be between 18-65 years (inclusive)
  3. Gastrointestinal symptoms confirmed by an average GSRS-IBS score between ≥2.5 and ≤4.5 at Visit 1 and Visit 2 (+0.5).
  4. If Participant has used aspirin in the past and they have not experienced adverse events.
  5. Willing to avoid alcohol consumption 2 days prior to each permeability test.
  6. Willing to refrain from lactulose, sugar substitutes, and sucralose or mannitol-containing products, for 24-hours prior to the urine collection period.
  7. Willing to consume the study product daily for the duration of the study.

Exclusion Criteria:

  1. Participants who are pregnant or wish to become pregnant during the study or who are lactating and/or currently breastfeeding.
  2. Participants currently of biological childbearing potential, but not using a continuous effective method of contraception, as outlined below:

    1. Complete abstinence from intercourse two weeks prior to administration of the Study Product, throughout the clinical study, until the completion of follow-up procedures or for two weeks following discontinuation of the Study Product in cases where Participant discontinues the study prematurely. (Participants utilising this method must agree to use an alternate method of contraception if they should become sexually active and will be queried on whether they have been abstinent in the preceding two weeks when they present to the clinic for the final visit).
    2. Has a male sexual partner who is surgically sterilised prior to the Screening Visit and is the only male sexual partner for that Participant.
    3. Sexual partner(s) is/are exclusively female.
    4. Use of acceptable method of contraception, such as a spermicide, mechanical barrier (e.g., male condom, female diaphragm), tubal ligation, or contraceptive pill. The Participant must be using this method for at least one week prior to and one week following the end of the study.
    5. Use of any intrauterine device (IUD) or contraceptive implant. The Participant must have the device inserted at least two weeks prior to the first screening visit, throughout the study, and two weeks following the end of the study.
  3. DASS-21 Depression score of >21 at screening.
  4. Has a history of drug and/or alcohol abuse. (Drinks more than nationally recommended units per week (>11 units for women; >17 units for men); alcohol/substance abuse disorder).
  5. Has food allergies or other issues with foods that would preclude intake of the Study Products
  6. Lactose intolerance
  7. Vegetarians not willing to consume animal-based food supplement.
  8. Intolerant to aspirin.
  9. Has any significant acute or chronic coexisting health conditions that would prevent them from fulfilling the study requirements, put the Participant at risk or would confound the interpretation of the study results as judged by the investigator on the basis of medical history and routine laboratory test results. Excluded health conditions include:

    1. Diagnosed gastrointestinal condition
    2. Severe or uncontrolled cardiovascular disease
    3. Severe renal disease/ renal impairment
    4. Liver disease
    5. Diabetes
    6. Any known bleeding disorder
  10. Current or recent use of a medication that the investigator believes would interfere with the objectives of the study or pose a safety risk or confound the interpretation of the study results. Prohibited medications include:

    1. Medications affecting gut/intestinal motility (2 weeks prior to visit 1)
    2. Daily usage of non-steroidal anti-inflammatory drugs (NSAIDs) in the last 2 months or incidental use in the last 2 weeks prior to screening
    3. Antibiotics (4 weeks prior to visit 1)
  11. Current or recent (in the past 4-weeks) use of prohibited nutritional or non-nutritional supplements that the investigator believes would interfere with the objectives of the study or pose a safety risk or confound the interpretation of the study results. Prohibited supplements include:

    1. Collagen supplements (e.g., for bone and joint health and/or skin)
    2. Supplements effecting gut motility (e.g. iron, magnesium citrate)
    3. Cannabidiol or hemp containing products or supplements
    4. Probiotics
    5. Prebiotics
    6. Postbiotics
  12. Individuals who, in the opinion of the investigator, are considered to be poor attendees or unlikely for any reason to be able to comply with the study.
  13. Participants may not be participating in other clinical studies. If the participant has previously taken part in an experimental study, the Investigator must ensure sufficient time has elapsed before entry to this study to ensure the integrity of the results.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 지지 요법
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 네 배로

무기와 개입

참가자 그룹 / 팔
개입 / 치료
위약 비교기: 위약 제품
위약
실험적: AP GUT collagen peptides 2.5 g
2.5 g AP GUT collagen peptides
AP GUT collagen peptides
실험적: AP GUT collagen peptides 5 g
5 g AP GUT collagen peptides
AP GUT collagen peptides
실험적: AP GUT collagen peptides 10 g
10 g AP GUT collagen peptides
AP GUT collagen peptides

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Intestinal permeability
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide respectively as compared to a Placebo on intestinal permeability measured by the urinary lactulose : mannitol ratio (test collected over a period of 5 hours
Day 42 to Day 45

2차 결과 측정

결과 측정
측정값 설명
기간
Intestinal permeability
기간: Day 42 to day 45
Change from Day 42 to day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on intestinal permeability as measured by 5h % urinary lactulose excretion
Day 42 to day 45
Intestinal permeability
기간: Day 42 to day 45
Change from Day 42 to day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on intestinal permeability as measured by 5h % urinary mannitol excretion
Day 42 to day 45
Intestinal permeability
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on intestinal permeability as measured by Lactulose:Mannitol ratio
Baseline to Day 42
Intestinal permeability
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on intestinal permeability as measured by 5h % urinary mannitol excretion
Baseline to Day 42
Gastrointestinal symptoms
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo as measured by Gastrointestinal symptoms as assessed by Gastrointestinal Symptom Rating Scale (GSRS) -Irritable Bowel Syndrome (IBS) Total score.
Baseline to Day 42
Gastrointestinal symptoms
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo as measured by Gastrointestinal symptoms as assessed by Gastrointestinal Symptom Rating Scale (GSRS) -Irritable Bowel Syndrome (IBS) Total score. The GSRS-IBS questionnaire includes 13 items that measure the severity of IBS symptoms in five clusters (pain, bloating, constipation, diarrhea and early satiety) during the last seven days. A decrease is desirable.
Day 42 to Day 45
Concentration of bacterial endotoxins
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Bacterial endotoxins (LPS-binding protein (LBP))
Day 42 to Day 45
Concentration of intestinal permeability markers/ tight junction dysfunction Markers
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Intestinal permeability markers (Occludin, Zonulin)
Day 42 to Day 45
Concentration of an intestinal damage marker
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Intestinal damage markers (Intestinal fatty acid binding protein (I-FABP))
Day 42 to Day 45
Concentration of cytokines
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Cytokines (TNFa, IFNg, IL6, IL1b, IL17 and IL10)
Day 42 to Day 45
Concentration of an Inflammation marker
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Inflammation marker (Calprotectin)
Day 42 to Day 45
Quality of life Physical Component Summary
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Quality of life as assessed by SF-12 Physical Component Summary Score, The Short Form 12 Health Survey (SF-12) produces Component Summary scores using norm-based scoring (mean 50, standard deviation 10), with higher scores indicating better health-related quality of life.
Day 42 to Day 45
Quality of Life Mental Component Summary
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Quality of life as assessed by SF-12 Mental Component Summary Score, The Short Form 12 Health Survey (SF-12) produces Component Summary scores using norm-based scoring (mean 50, standard deviation 10), with higher scores indicating better health-related quality of life.
Day 42 to Day 45
Stress
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Stress as assessed by DASS-21 - Stress scores. The Depression Anxiety Stress Scales-21 (DASS-21) produces subscale scores based on summed item responses on a 4-point Likert scale (0-3), with higher scores indicating greater severity of symptoms.
Day 42 to Day 45
Anxiety
기간: Day 42 to Day 45
Change from Day 42 to Day 45 following an acute aspirin challenge (NSAID) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Anxiety as assessed by DASS-21 - Anxiety scores. The Depression Anxiety Stress Scales-21 (DASS-21) produces subscale scores based on summed item responses on a 4-point Likert scale (0-3), with higher scores indicating greater severity of symptoms.
Day 42 to Day 45
Percentage urinary lactulose excretion
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on intestinal permeability as measured by 5h % urinary lactulose excretion
Baseline to Day 42
Concentration of bacterial endotoxins
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Bacterial endotoxins (LPS-binding protein (LBP))
Baseline to Day 42
Concentration of intestinal permeability markers
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Intestinal permeability markers (Occludin, Zonulin)
Baseline to Day 42
Concentration if intestinal damage marker
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Intestinal damage markers (Intestinal fatty acid binding protein (I-FABP))
Baseline to Day 42
Concentration of Cytokines
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Cytokines (TNFa, IFNg, IL6, IL1b, IL17 and IL10)
Baseline to Day 42
Concentration of an inflammation marker
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Inflammation marker (Calprotectin)
Baseline to Day 42
Quality of life as assessed by SF-12- Physical Component Summary
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Quality of life as assessed by SF-12 PCS (Physical Component Summary). The Short Form 12 Health Survey (SF-12) produces Component Summary scores using norm-based scoring (mean 50, standard deviation 10), with higher scores indicating better health-related quality of life.
Baseline to Day 42
Quality of life - Mental Component Summary
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Quality of life as assessed by SF-12 MCS (Mental Component Summary). The Short Form 12 Health Survey (SF-12) produces Component Summary scores using norm-based scoring (mean 50, standard deviation 10), with higher scores indicating better health-related quality of life.
Baseline to Day 42
Stress
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on Stress as assessed by DASS-21 - Stress scores. The Depression Anxiety Stress Scales-21 (DASS-21) produces subscale scores based on summed item responses on a 4-point Likert scale (0-3), with higher scores indicating greater severity of symptoms.
Baseline to Day 42
Anxiety
기간: Baseline to Day 42
Change from Baseline to Day 42 (prior to aspirin challenge) between three different doses (2.5g, 5g, and 10g) of collagen peptide as compared to a Placebo on anxiety as assessed by DASS-21 - Anxiety scores. The Depression Anxiety Stress Scales-21 (DASS-21) produces subscale scores based on summed item responses on a 4-point Likert scale (0-3), with higher scores indicating greater severity of symptoms
Baseline to Day 42

기타 결과 측정

결과 측정
측정값 설명
기간
Occurrence of any Adverse Events (AEs/SAEs)
기간: Baseline to Day 45
  • Incidence of AEs per group by product causality.
  • Incidence of mild, moderate, and severe AEs per group by product causality.
  • Incidence of AEs by MedDRA System Organ Classification (SOC) and preferred term (PT) by product allocation.
  • Incidence of SAEs per group by product causality.
Baseline to Day 45
Composition of the gut microbiome
기간: Baseline to Day 45
To evaluate the effects of 45 days daily administration of three different doses (2.5g, 5g, and 10g) of collagen peptide in healthy adults as compared to a Placebo on Gut microbiome
Baseline to Day 45
Concentration of plasma GLP-2
기간: Baseline to Day 45
To evaluate the effects of 45 days daily administration of three different doses (2.5g, 5g, and 10g) of collagen peptide in healthy adults as compared to a Placebo on Plasma GLP-2
Baseline to Day 45

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2026년 3월 25일

기본 완료 (추정된)

2026년 11월 2일

연구 완료 (추정된)

2026년 11월 23일

연구 등록 날짜

최초 제출

2026년 5월 8일

QC 기준을 충족하는 최초 제출

2026년 5월 8일

처음 게시됨 (실제)

2026년 5월 14일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 5월 27일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 5월 22일

마지막으로 확인됨

2026년 5월 1일

추가 정보

이 연구와 관련된 용어

기타 연구 ID 번호

  • AFCRO-207

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

IPD 계획 설명

Individual participant data will not be shared due to confidentiality, participant consent limitations, and data protection requirements.

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아니

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