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Showing 1–24 of 547 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Fiber on Gastrointestinal Function

NCT01495182
Conditions
Gastrointestinal Health
Interventions
Dietary fiber
Other
Lead sponsor
Ingredion Incorporated
Industry
Eligibility
18 Years to 54 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Glen Ellyn, Illinois
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Contraceptives on Cervico-Vaginal Mucosa

NCT04814927
Conditions
Mucosal Inflammation, Contraceptive; Complications, Intrauterine
Interventions
Copper IUD, Etonogestrel implant, Levonorgestrel IUS, DMPA Sub-cutaneous
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Chronic Pancreatitis
Interventions
CarePrep Online Health Assessment
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Dementia, Chronic Disease, Neoplasm Metastasis, Lung Neoplasms, Pulmonary Disease, Chronic Obstructive, Heart Failure, Congestive, Liver Cirrhosis, Kidney Failure, Chronic, Lung Diseases, Interstitial, Peripheral Vascular Disease, Diabetes With End Organ Injury
Interventions
Survey-based Patient/Clinician Jumpstart, EHR-based Clinician Jumpstart
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
756 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Seattle, Washington
Conditions
Gut Health
Interventions
Butyrate Formulation, Butyrate + Polyphenol Formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Conditions
Colon Cancer, Rectal Cancer, Cancer Survivor, Colorectal Adenocarcinoma, Stage I Colorectal Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage IIA Colorectal Cancer AJCC v8, Stage IIB Colorectal Cancer AJCC v8, Stage IIC Colorectal Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage IIIA Colorectal Cancer AJCC v8, Stage IIIB Colorectal Cancer AJCC v8, Stage IIIC Colorectal Cancer AJCC v8
Interventions
Dietary Intervention (resistant starch), Dietary Intervention (regular starch), Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Thoracic Diseases
Interventions
Fiberoptic Endoscopic Evaluation of Swallowing
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Gainesville, Florida
Recruiting No phase listed Observational Accepts healthy volunteers

Skeletal Health and Bone Marrow Composition in Adolescents With Cystic Fibrosis

NCT06216704
Conditions
Cystic Fibrosis
Interventions
Magnetic resonance relaxometry, Magnetic resonance spectroscopy, Blood Draw, DXA, pQCT
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
13 Years to 20 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional

Fermented Foods and Bowel Health in SCI

NCT07640152
Conditions
Spinal Cord Injury
Interventions
fermented foods, Control diet, Sitz Marker Test
Other · Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Colorectal Cancer (Diagnosis), Anal Cancer, Sexual Dysfunction Female
Interventions
Mind-Body Group Intervention, Enhanced Usual Care Control (EUCC)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Gastrointestinal Dysfunction
Interventions
PreforPro+B. subtilis DE111 probiotics, Placebo, B. subtilis DE111
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 75 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Initiation of Colon Cancer Screening in Veterans or "Start Screening Now"

NCT01079533
Conditions
Colorectal Neoplasms
Interventions
Stepped CRCS Interventions, Control
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
50 Years to 64 Years
Enrollment
1,892 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Houston, Texas
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Natural History Study of Early Life Exposures in Agriculture (ELEA)

NCT07328516
Conditions
Prostate Cancer, Leukemia, Breast Cancer, Melanoma, Colorectal Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
64,277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Results available

Facilitating Communication Study

NCT03721952
Conditions
Chronic Disease, Neoplasm Metastasis, Lung Neoplasm, Pulmonary Disease, Chronic Obstructive, Heart Failure, Congestive, Liver Cirrhosis, Kidney Failure, Chronic, Multiple Organ Failure, Health Care Quality, Access, and Evaluation, Intensive Care Units, Palliative Care, Health Services, Palliative Care, Patient Care, Lung Diseases, Cerebrovascular Disorders, Brain Injuries
Interventions
Facilitator-Based Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
977 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
3
States / cities
Seattle, Washington
Conditions
Digestion, GI Health
Interventions
Placebo GI Health Control, Active GI Health Product
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Del Mar, California
Conditions
Gastrointestinal Diseases
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Patient Satisfaction With Propofol for Out Patient Colonoscopy

NCT02937506
Conditions
Colon Cancer, IBS, Polyps
Interventions
Propofol, Fentanyl Plus Midazolam
Drug
Lead sponsor
Mount Carmel Health System
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Colorectal Disorders, Anorectal Disorder, Patient Satisfaction, Pain, Postoperative, Opioid Use, Opioid Abuse, Opioid Dependence
Interventions
ReCOVER Enhanced Recovery Protocol
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Inflammatory Bowel Diseases, Anxiety, Depression, Ulcerative Colitis, Crohn Disease
Interventions
Mental health support session
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Recruiting Not applicable Interventional

Building Connections

NCT07091032
Conditions
Cancer Colorectal, Cancer Cervix, Depression, Anxiety, Obesity
Interventions
Treatment as Usual, Building Connections Intervention
Other · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
3,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Striated Esophageal Motor Function Modulation in Health and Disease

NCT05708885
Conditions
Dysphagia, Esophageal
Interventions
Concurrent manometry/impedance and fluoroscopy with and without laryngeal restriction, Concurrent manometry/impedance and fluoroscopy before and after six weeks of using swallow muscle exercising device
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 90 Years
Enrollment
557 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Survivorship Care Plans in a Community Oncology Practice

NCT03028584
Conditions
Breast Cancer, Prostate Cancer, Colorectal Cancer
Interventions
Survey
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Waukesha, Wisconsin
Conditions
Colorectal Cancer
Interventions
Education presented by trained caregiver
Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 45 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Bacillus Subtilis R0179 in Healthy Young Adults

NCT01802151
Conditions
Healthy
Interventions
B. subtilis R0179, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida