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Showing 1–24 of 534 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

The Effects of a High Protein Diet on Microbiota, Gastrointestinal Function and Wellness in Older Women

NCT02445560
View directory record Official record
Conditions
Aging
Interventions
Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
Gainesville, Florida • Ocala, Florida
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional

A Computer-Based Intervention for Medically Unexplained Physical Symptoms

NCT00468013
View directory record Official record
Conditions
Fibromyalgia, Irritable Bowel Syndrome, Chronic Fatigue Syndrome
Interventions
Resilience Building Exercises, Journaling
Behavioral
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 8, 2015 · Synced Sep 8, 2026, 4:48 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Intermediate Wheatgrass Products and Gut Health

NCT07773441
View directory record Official record
Conditions
Gut Health, Gastrointestinal Symptoms, Gut Microbiome, Dietary Fiber
Interventions
Intermediate Wheatgrass-Based Products, Whole Wheat-Based Products
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational

The U.S. Embryologist Fatigue Study

NCT05326802
View directory record Official record
Conditions
Fatigue, Stress, Burnout, Professional, Musculoskeletal Pain, Back Pain, Neck Pain, Headache, Dizziness, Sleep Disturbance, Chest Pain, Syncope, Cardiovascular Diseases, Shortness of Breath, Gastrointestinal Diseases
Interventions
Not listed
Lead sponsor
TMRW Life Sciences
Industry
Eligibility
22 Years to 65 Years
Enrollment
246 participants
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Sep 8, 2026, 4:48 PM EDT
Withdrawn No phase listed Observational

STRENGTH Expansion

NCT04520867
View directory record Official record
Conditions
Esophageal Cancer, Gastroesophageal Junction Cancer
Interventions
STRENGTH
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional

Men Together Making a Difference: Health Promotion for Black Men

NCT02572414
View directory record Official record
Conditions
HIV, Cardiovascular Disease, Diabetes, Hypertension, Colon Cancer
Interventions
Health Promotion Intervention, Health Awareness Control Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years and older · Male only
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Sep 8, 2026, 4:48 PM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Colorectal Cancer Control in Appalachian Churches

NCT00137683
View directory record Official record
Conditions
Colorectal Cancer
Interventions
one-on-one education, group education, small media
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
50 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an 8-day Advanced Meditation, Samyama on Physical, Psychological and Spiritual Wellbeing ,and Associated Neural Mechanisms

NCT04366544
View directory record Official record
Conditions
Mental Health Wellness 1, Happiness, Depression, Consciousness, Level Altered, Ecstasy, Dietary Habits, Stress, Inflammatory Bowel Diseases
Interventions
Part A1: Survey, Part A2: Sample collection, Part B:
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
759 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Shared Decision-making and Colorectal Cancer Screening

NCT04748380
View directory record Official record
Conditions
Colorectal Cancer
Interventions
CRC decision aid pamphlet, Home Safety Pamphlet
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
75 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 8, 2026, 4:48 PM EDT
Not yet recruiting Not applicable Interventional

Pilot Study of Sensor-Informed Smartphone-based Mental Health Interventions for Mood in Early Psychosis

NCT07503093
View directory record Official record
Conditions
Psychosis, Anxiety, Depression, Rumination
Interventions
Smartphone-based Mindfulness Exercise, Smartphone-based Psychoeducation, Neutral Control Message
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 8, 2026, 4:48 PM EDT
Not listed Not applicable Interventional

Adapting the Tumor Board Model for Mental Illness and Cancer

NCT05837598
View directory record Official record
Conditions
Cancer, Severe Major Depression, Schizophrenia, Bipolar Disorder, Lung Cancer, Breast Cancer, Head and Neck Cancer, Gastrointestinal Cancer, Genitourinary Cancer
Interventions
Virtual Cancer and Mental Health Tumor Board
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Danvers, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2023 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Systems of Support (SOS) to Increase Colon Cancer Screening and Follow-up Supplement

NCT01052922
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
3 sample g-SENSA, 2 sample InSure, 1 sample OC-Micron
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years to 74 Years
Enrollment
2,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Results available

Gulf War Digestive Health Study

NCT00680836
View directory record Official record
Conditions
Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Placebo, Rifaximin
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
35 Years to 72 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 28, 2014 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Results available

Project to Improve Communication About Serious Illness--Hospital Study: Comparative Effectiveness Trial (Trial 2)

NCT04283994
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Sep 8, 2026, 4:48 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Persea Americana for Total Health (PATH)-2

NCT05941728
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Avocado, Oil + Fiber, Average American Diet
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
25 Years to 74 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational

Dysphagia in Thoracic Surgical Patients

NCT04487028
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional

A Clinical Study to Assess the Effect of a Supplement on Digestive Health, Overall Well-being, and Participant Experience.

NCT06283732
View directory record Official record
Conditions
Digestive System Disease
Interventions
Greens powder
Dietary Supplement
Lead sponsor
Amway Corp
Industry
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Implementing Fit Kit Colorectal Cancer (CRC) Screening in High Risk Populations

NCT04848051
View directory record Official record
Conditions
Colorectal Cancer
Interventions
CRC screening reminder, CRC Reminder & Short message, CRC Reminder and Navigation Program, CRC Reminder & CRC education
Behavioral
Lead sponsor
Yale University
Other
Eligibility
50 Years to 74 Years
Enrollment
3,127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Sep 8, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional

A Brief Psychological Intervention to Improve Emotional Well-Being During Neoadjuvant Therapy for Pancreatic Cancer

NCT07124611
View directory record Official record
Conditions
Localized Pancreatic Ductal Adenocarcinoma, Stage 0 Pancreatic Cancer AJCC v8, Stage I Pancreatic Cancer AJCC v8, Stage IIA Pancreatic Cancer AJCC v8
Interventions
Interview, Nutritional Therapy, Physical Therapy, Psychosocial Care, Questionnaire Administration
Other · Procedure · Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 8, 2026, 4:48 PM EDT
Not listed No phase listed Observational

Cystic Fibrosis Reproductive and Sexual Health Collaborative: Building Online Research Partnerships

NCT04999865
View directory record Official record
Conditions
Cystic Fibrosis, Patient Engagement
Interventions
4-part educational program to build patient-engagement methodology capacity
Other
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
100 participants
Timeline
2019 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating a Preference-based Intervention for Increasing Colorectal Cancer Screening

NCT00810771
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Standard Information, Preference-tailored Information
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 78 Years
Enrollment
466 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Ann Arbor, Michigan • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2015 · Synced Sep 8, 2026, 4:48 PM EDT
Completed No phase listed Observational

Bone Health of People With Cystic Fibrosis

NCT00008762
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
8 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 8, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Prebiotics on Cognition and Health

NCT04551937
View directory record Official record
Conditions
Physiological Stress, Cognitive Change, Gastrointestinal Health
Interventions
Lactose Free 1% Milk, Lactose Free 1% Milk + 10 g prebiotic
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
25 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 8, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeted Navigation in Hepatocellular Carcinoma (HCC)

NCT06260943
View directory record Official record
Conditions
Hepatocellular Carcinoma, Cholangiocarcinoma, Hepatobiliary Cancer
Interventions
Target Navigation Pilot Program
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 8, 2026, 4:48 PM EDT