- ICH GCP
- Rejestr badań klinicznych w USA
- Badanie kliniczne NCT03035799
Comparing Two Types of Diets on Psychological and Gastrointestinal Symptoms
A Randomized Trial Comparing Two Types of Diets on Psychological and Gastrointestinal Symptoms
Przegląd badań
Status
Warunki
Interwencja / Leczenie
Szczegółowy opis
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Nie dotyczy
Kontakty i lokalizacje
Lokalizacje studiów
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-
Maryland
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Baltimore, Maryland, Stany Zjednoczone, 21287
- Johns Hopkins University
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
Akceptuje zdrowych ochotników
Płeć kwalifikująca się do nauki
Opis
Inclusion Criteria:
- Patients with mild to moderate Irritable Bowel Syndrome (IBS) and mild to moderate anxiety or depression
- Other causes of bowel symptoms excluded to the satisfaction of the Study Team
- Age at least 18 years at initial screening visit
- Patients who are able to sign and understand the study's informed consent form
- Patients able to complete all screening evaluations and procedures
Exclusion Criteria:
- Patients in inpatient hospital care
- Severe or refractory bowel or psychological symptoms
- Current consumption of a Paleolithic diet
- Known Celiac disease
- Uncontrolled thyroid disease as indicated by an abnormal thyroid stimulating hormone (TSH) level
- Uncontrolled diabetes as indicated by a HbA1c equal to 6.5 or greater
- Patients unable to speak English
- Inability to obtain informed consent
- Pregnant or nursing women
- Any condition, which in the opinion of the investigator, would interfere with study requirements
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Poczwórny
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
|---|---|
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Eksperymentalny: Paleolithic Diet
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Paleolithic diet
|
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Aktywny komparator: General Healthful Diet
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General Healthful Diet
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
|
Vitality
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Vitality as measured on the vitality subscale of the short form health survey (SF36).
This instrument assesses vitality (energy level and fatigue) and is a subscale of SF36, a general health survey designed for use in clinical practice and research, health policy evaluation and general population surveys.
The Vitality Subscale score is determined by responses to 4 items: Did you feel full of life?
Did you have a lot of energy?
Did you feel worn out?
Did you feel tired?
The lower the score the more disability.
The higher the score the less disability.
|
The change between baseline and 4 weeks (post-intervention).
|
Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
|
Anxiety
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Anxiety as measured by the Generalized Anxiety Disorder 7-item (GAD-7) questionnaire. GAD-7 Questionnaire: This is a 7 item inventory rated on a 4 point Likert-type scale. Its purpose is to allow for brief and accurate detection of anxiety as well as for longitudinal anxiety symptom evaluation. Lower scores indicate less severe symptoms and higher scores equal more severe symptoms. |
The change between baseline and 4 weeks (post-intervention).
|
|
Depression
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Depression as measured by the Patient Health Questionnaire-9' (PHQ-9) questionnaire. PHQ-9: This is a 9 item inventory rated on a 4 point Likert-type scale. Its purpose is to allow for brief and accurate diagnosis of depression as well as for longitudinal depression symptom evaluation. Lower scores indicate less severe symptoms and higher scores equal more severe symptoms. |
The change between baseline and 4 weeks (post-intervention).
|
|
Activity level
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Activity level/amount of exercise as measured by the Godin Leisure-Time Exercise Questionnaire.
The Godin Leisure-Time Exercise Questionnaire is a simple questionnaire to measure a person's leisure time exercise.
It is designed to be reliable valid and easy to complete quickly without a need for detailed review.
Lower scores indicate less activity and higher scores equal more activity.
|
The change between baseline and 4 weeks (post-intervention).
|
|
Gastrointestinal symptoms
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Gastrointestinal symptoms as measured by the NIH-Promis Gastrointestinal Symptom Scale a. NIH-Promis Gastrointestinal Symptom Scales for 8 domains: Gastroesophageal reflux (13 items), disrupted swallowing (7 items), diarrhea (5 items), bowel incontinence/soilage (4 items), nausea and vomiting (4 items), constipation (9 items), belly pain (6 items), and gas/bloat/flatulence (12 items). Lower scores indicate less severe symptoms and higher scores equal more severe symptoms. |
The change between baseline and 4 weeks (post-intervention).
|
|
Visceral sensitivity
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Visceral sensitivity as measured by the Visceral Sensitivity Index.
Visceral Sensitivity Index assesses gastrointestinal-specific anxiety, the cognitive, affective, and behavioral response to fear of gastrointestinal sensations, symptoms, and the context in which these visceral sensations and symptoms occur.
Lower scores indicate less severe symptoms and higher scores equal more severe symptoms.
|
The change between baseline and 4 weeks (post-intervention).
|
|
Overall health status (Short Health Scale)
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Overall health status as measured by the Short Health Scale questionnaires.
The "Short Health Scale" is a 4-item questionnaire covering aspects of subjective health.
Lower scores indicate less severe symptoms and higher scores equal more severe symptoms.
|
The change between baseline and 4 weeks (post-intervention).
|
|
Overall health status (EQ-5D)
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Overall health status (global health outcomes measure) as measured by the EuroQol 5 Dimension (EQ-5D) The EQ-5D descriptive system consists of five dimensions: Mobility, Self-care, Usual activities, Pain/discomfort, Anxiety/depression.
Scores range from 5-25, with higher scores indicating more severe symptoms/decreased quality of life.descriptive
system consists of five dimensions: Mobility, Self-care, Usual activities, Pain/discomfort, Anxiety/depression.
Lower scores indicate less severe symptoms and higher scores equal more severe symptoms.
|
The change between baseline and 4 weeks (post-intervention).
|
Inne miary wyników
Miara wyniku |
Opis środka |
Ramy czasowe |
|---|---|---|
|
Intestinal permeability
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Change in intestinal permeability as measured by plasma zonulin levels
|
The change between baseline and 4 weeks (post-intervention).
|
|
Change in inflammatory markers
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Change in inflammatory markers as measured by serum C-reactive protein levels
|
The change between baseline and 4 weeks (post-intervention).
|
|
Change in stool metabolomics
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Change in stool metabolomics as measured by stool metabolite testing.
|
The change between baseline and 4 weeks (post-intervention).
|
|
Change in stool microbiome profile
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Change in stool microbiota profile as measured by 16S DNA sequencing of stool samples.
|
The change between baseline and 4 weeks (post-intervention).
|
|
Biobank specimen collection of urine.
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Biobank specimen collection of stool, blood, urine, and saliva to be studied in future studies
|
The change between baseline and 4 weeks (post-intervention).
|
|
Biobank specimen collection of stool.
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Biobank specimen collection of stool, blood, urine, and saliva to be studied in future studies
|
The change between baseline and 4 weeks (post-intervention).
|
|
Biobank specimen collection of saliva.
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Biobank specimen collection of stool, blood, urine, and saliva to be studied in future studies
|
The change between baseline and 4 weeks (post-intervention).
|
|
Biobank specimen collection of blood.
Ramy czasowe: The change between baseline and 4 weeks (post-intervention).
|
Biobank specimen collection of stool, blood, urine, and saliva to be studied in future studies
|
The change between baseline and 4 weeks (post-intervention).
|
Współpracownicy i badacze
Sponsor
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów (Rzeczywisty)
Zakończenie podstawowe (Rzeczywisty)
Ukończenie studiów (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Oszacować)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Rzeczywisty)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- IRB00082222
Plan dla danych uczestnika indywidualnego (IPD)
Planujesz udostępniać dane poszczególnych uczestników (IPD)?
Informacje o lekach i urządzeniach, dokumenty badawcze
Bada produkt leczniczy regulowany przez amerykańską FDA
Bada produkt urządzenia regulowany przez amerykańską FDA
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