Non-nutritive Sweeteners in Inflammatory Bowel Disease
The Effect of Non-Nutritive Food Sweeteners in Inflammatory Bowel Disease
調査の概要
詳細な説明
Participation in this study will last for a minimum of 35 days (Phase I: 14-days; baseline with removal of all NNS (eg saccharin, sucralose, steviosides, aspartame, acesulfame-k, erythritol) from the diet, Phase II: 21-days; sucralose intervention, and will involve one virtual visit (study visit 1) and two in-person study visits (study visit 2 and study visit 3).
Fecal & urine samples will be collected before/after each phase. Blood will also be collected.
研究の種類
入学 (推定)
段階
- 適用できない
連絡先と場所
研究連絡先
- 名前：Abigail Raffner, RD PhD
- 電話番号：216-327-6003
- メール：Abigail.Raffner@uhhospitals.org
研究連絡先のバックアップ
- 名前：Sargun Singh, M.B.B.S.
- 電話番号：216-333-6085
- メール：sargun.singh@uhhospitals.org
研究場所
-
-
Ohio
-
Chagrin Falls、Ohio、アメリカ、44122
- 募集
- UH Minoff Health Center
-
副調査官：
- Jeffry Katz, MD
-
コンタクト：
- Abigail Basson, RD PhD
- メール：Abigail.Basson@uhhospitals.org
-
Cleveland、Ohio、アメリカ、44106
- 募集
- University Hospitals Cleveland Medical Center
-
副調査官：
- Jeffry Katz, MD
-
コンタクト：
- Abigail Basson, RD PhD
- メール：Abigail.Basson@uhhospitals.org
-
副調査官：
- Vu Nguyen, MD
-
Westlake、Ohio、アメリカ、44145
- 募集
- UH Westlake Health Center
-
コンタクト：
- Abigail Basson, RD PhD
- メール：Abigail.Basson@uhhospitals.org
-
副調査官：
- Vu Nguyen, MD
-
-
参加基準
適格基準
就学可能な年齢
- 大人
- 高齢者
健康ボランティアの受け入れ
説明
Inclusion Criteria:
Age range from: 18 to 70 years. Male or female. Documented diagnosis of Crohns disease. CD outpatients in remission; Harvey Bradshaw- index in remission (<6 score).
Capable of providing consent to participate. Able to complete daily surveys and take oral nutrition. Able to record meal intake. Healthy controls with no diagnosis of IBD or Irritable Bowel Syndrome (IBS).
Exclusion Criteria:
Short bowel syndrome. Hospitalized patients. Individuals who lack consent capacity, including the mentally ill, prisoners, cognitively impaired participants, dementia patients.
Known drug abuse. Known parasitic disease of the digestive system. Symptomatic intestinal stricture/narrowing. Presence of an ostomy. Known active malignancy. Antibiotic use within last 14 days. Well-founded doubt about the patients cooperation. Existing pregnancy or lactation. History of <1 natural bowel movements per 3 consecutive days. Unable to access to technology that permits the daily completion of study related activities.
Change in IBD medication within past 4 weeks. Body mass Index <18 kg/m or ≥35 kg/m. Documented C.difficile colitis within four weeks of screening. Bariatric surgery Phenylketonuria
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：他の
- 割り当て：非ランダム化
- 介入モデル：並列代入
- マスキング：なし（オープンラベル）
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
実験的：Crohn's participants
Crohn's participants will consume artificial sweetener: sucralose
|
Participants will consume 2 sachets/day during the exposure period resulting in the following daily dose: sucralose 2.5mg/kg.
This dose is below the acceptable daily intakes (ADI) of 5mg/kg.
|
|
実験的：Healthy Controls
Healthy control participants will consume artificial sweetener: sucralose
|
Participants will consume 2 sachets/day during the exposure period resulting in the following daily dose: sucralose 2.5mg/kg.
This dose is below the acceptable daily intakes (ADI) of 5mg/kg.
|
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Change in fecal microbiome measured by metagenome analysis
時間枠：Baseline, three weeks pre-intervention, and three weeks after intervention
|
Quantify the change in the fecal microbiome using metagenome analysis
|
Baseline, three weeks pre-intervention, and three weeks after intervention
|
二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Change in Fecal Myeloperoxidase activity (MPO)
時間枠：Baseline, three weeks pre-intervention, three weeks post-intervention
|
Quantify the change in fecal MPO
|
Baseline, three weeks pre-intervention, three weeks post-intervention
|
|
Change in Fecal Calprotectin
時間枠：Baseline, three weeks pre-intervention, three weeks post-intervention
|
Quantify the change in fecal calprotectin
|
Baseline, three weeks pre-intervention, three weeks post-intervention
|
|
Change in Crohn's Disease Activity Index (CDAI)
時間枠：Study visit 2 (three weeks pre-intervention) & 3 (three weeks post-intervention)
|
Quantify the change in Crohn's Disease Activity Index.
The Crohn's Disease Activity Index (CDAI) is a validated clinical instrument used to quantify Crohn's disease activity.
It evaluates 8 components over a 7-day period: number of liquid or very soft stools, severity of abdominal pain, general well-being, extraintestinal complications, use of antidiarrheal medications, presence of an abdominal mass, hematocrit levels, and body weight deviation.
Each component is multiplied by a specific weighting factor and summed to calculate a total score.
Total scores range from 0 to approximately 600 points, where lower scores indicate lower disease activity.
A score of <150 indicates clinical remission, while a score of >450 indicates severe disease.
A negative change from baseline indicates clinical improvement.
|
Study visit 2 (three weeks pre-intervention) & 3 (three weeks post-intervention)
|
|
Change in C-reactive protein (CRP)
時間枠：Study visit 2 (three weeks pre-intervention) & 3 (three weeks post-intervention_
|
Quantify change in CRP
|
Study visit 2 (three weeks pre-intervention) & 3 (three weeks post-intervention_
|
協力者と研究者
捜査官
- 主任研究者：Fabio Cominelli, MD PhD、University Hospitals Cleveland Medical Center
- 主任研究者：Abigail Raffner, RD PhD、Case Western Reserve University
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。