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ClinicalTrials.gov public records Last synced Sep 3, 2026, 5:34 AM EDT

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Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Conventional diet Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Antimicrobial-free Production of Beef Cattle's Affect on Gut Microbiome

NCT04023604
View directory record Official record
Conditions
Diet Modification
Interventions
Controlled diet with beef raised without antibiotics, Controlled diet with beef produced in conventional systems
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 69 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 3, 2026, 5:34 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of Agro-ecological Farming Systems on Human Health

NCT05575258
View directory record Official record
Conditions
Inflammatory Response
Interventions
44-Day Diet Conventionally Sourced - YELLOW Diet, 44-Day Diet Agro-Ecologically Sourced - GREEN Diet
Other
Lead sponsor
Utah State University
Other
Eligibility
35 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketogenic Diet Therapy for Autism Spectrum Disorder

NCT02477904
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Ketogenic Diet
Other
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
2 Years to 21 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Early Phase 1 Interventional

Effects of Probiotics on the Gut Microbiome and Immune System in Operable Stage I-III Breast or Lung Cancer

NCT04857697
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Adenocarcinoma, Stage I Lung Cancer AJCC v8, Stage II Lung Cancer AJCC v8, Stage III Lung Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Probiotic, Therapeutic Conventional Surgery
Procedure · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Phase 1 Interventional

Leucine Enriched Essential Amino Acid Powder as an Add-on to a Classic Ketogenic Diet in Refractory Epilepsy

NCT06387186
View directory record Official record
Conditions
Refractory Epilepsy, Drug Resistant Epilepsy
Interventions
Leucine-Enriched Essential Amino Acid powder
Drug
Lead sponsor
Elizabeth Anne Thiele
Other
Eligibility
2 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Phase 3 Interventional

8-week Pilot Study of Relaxation for Weight Loss in Adults With Chronic Kidney Disease

NCT00944138
View directory record Official record
Conditions
Obesity
Interventions
Relaxation methods
Behavioral
Lead sponsor
Edward Hines Jr. VA Hospital
Federal
Eligibility
18 Years to 88 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2010 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Feasibility of a Mental-Health Intervention Based on Contemplative Sleep Practices

NCT07217340
View directory record Official record
Conditions
Anxiety
Interventions
Dream Yoga Inspired Intervention, Sleep Health Enhancement program
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Evanston, Illinois • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PillCam® Platform With the PillCam Crohn's Disease Capsule

NCT01631435
View directory record Official record
Conditions
Crohn's Disease
Interventions
Pillcam colon capsule and PillCam™ Prep Procedure, Ileocolonoscopy
Other · Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Sep 3, 2026, 5:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

PKU Skin Stripping

NCT04368624
View directory record Official record
Conditions
Phenylketonurias
Interventions
Skin Tape, Blood Draw
Other · Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Sep 3, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Nicotinamide Mononucleotide Supplementation for Exercise Tolerance Improvement in Healthy Older Adults

NCT07144527
View directory record Official record
Conditions
Aging, Frailty, Exercise Tolerance, Healthy Male and Female Subjects
Interventions
NMN, betaine, low-dose hydrogen peroxide (EGA), Nicotinamide Mononucleotide (NMN), Placebo
Dietary Supplement
Lead sponsor
Scott Silveira
Other
Eligibility
60 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Beverly Hills, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 3, 2026, 5:34 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Using Signos mHealth Platform in Adults for Weight Management

NCT06214221
View directory record Official record
Conditions
Overweight and Obesity, Metabolic Syndrome, Weight Loss
Interventions
Signos System, Standard Lifestyle Education
Device · Other
Lead sponsor
Signos Inc
Industry
Eligibility
22 Years and older
Enrollment
380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
5
States / cities
Phoenix, Arizona • Walnut Creek, California • North Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 3, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional

GF-NOURISH (Gluten Free Nutrition Optimization Through Ultra-processed Food Reduction and Improved Strategies for Health)

NCT06356220
View directory record Official record
Conditions
Celiac Disease in Children, Nutrition Disorder, Child
Interventions
Gluten-Free Diet Education
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional

Mood and Nutrition Interventions in Polycystic Ovary Syndrome

NCT01899001
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS)
Interventions
Cognitive Behavioral Therapy, Nutrition Counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional

The Acute Effects of Specialty Coffee on Cognitive Function in People With Type 2 Diabetes

NCT07420699
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Coffee
Other
Lead sponsor
University of Reading
Other
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 3, 2026, 5:34 AM EDT
Not listed Not applicable Interventional

The Surgical Treatment of Type 2 Diabetes Mellitus in Non-Morbidly Obese Patients: A Community Hospital Study

NCT01323114
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Laparoscopic duodenal exclusion, Conventional Medical Treatment
Procedure · Other
Lead sponsor
McKenzie Health System
Other
Eligibility
20 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Sandusky, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 12, 2011 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional Results available

Weight Management for Adolescents With IDD

NCT02561754
View directory record Official record
Conditions
Developmental Disabilities, Weight Loss, Body Weight, Down Syndrome, Body Weight Changes, Intellectual Disability
Interventions
Enhanced Stop Light Diet (eSLD), Conventional Diet (CD), Face-to-face (FTF), Technology (TECH), iPad with FaceTime
Dietary Supplement · Behavioral · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
13 Years to 21 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Kansas City, Kansas • Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 3, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional

Reverse-Engineering of Exclusive Enteral Nutrition (RE-EEN) in Crohn's Disease: A Multi-Center Trial

NCT06216899
View directory record Official record
Conditions
Crohn Disease
Interventions
Whole-food based smoothie, Formula
Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
8 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Personalized Diet on Cardiometabolic, Microbiome and Metabolomics Profiles in Minority Young Adults

NCT04635917
View directory record Official record
Conditions
Diet Intervention
Interventions
Personalized diet, Conventional dietary advice
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 35 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional

PACIFIC: Providing Adults Collaborative Interventions For Ideal Changes

NCT02516839
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Regulation of Cues (ROC), Behavioral Weight Loss (BWL), BWL + ROC, Nutrition Education, Stress Management and Social Support
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Not applicable Interventional

Remote Monitoring in Diabetes Disease Management

NCT00675311
View directory record Official record
Conditions
Type 1 Diabetes, Type 2 Diabetes
Interventions
DM-Standard, Disease Management Plus
Behavioral
Lead sponsor
LifeScan
Industry
Eligibility
18 Years to 64 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2009 · Synced Sep 3, 2026, 5:34 AM EDT
Not listed Not applicable Interventional

Treatment of Type 2 Diabetes With Ketogenic Diet

NCT03652649
View directory record Official record
Conditions
Type2 Diabetes Mellitus, Obesity
Interventions
3:1 ratio Ketogenic diet
Other
Lead sponsor
Mid-Atlantic Epilepsy and Sleep Center, LLC
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Sep 3, 2026, 5:34 AM EDT
Completed Phase 2 Interventional

Doxercalciferol Before Surgery in Treating Localized Prostate Cancer

NCT00022412
View directory record Official record
Conditions
Prostate Cancer
Interventions
doxercalciferol, conventional surgery
Dietary Supplement · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 120 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
6
States / cities
Iowa City, Iowa • Rochester, New York • Madison, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 3, 2026, 5:34 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Evaluate Harm Reduction Products as a Second Line Intervention for Adult Smokers Who Do Not Quit With NRT

NCT06088862
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
Nicoderm, Nicorette 4Mg Chewing Gum, Nicorette Lozenge Product, BIDI e-cigarette, on!
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 3, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional

A Bowel Management Program (Retrograde Rectal Enema) for the Treatment of Low Anterior Resection Syndrome in Rectal Cancer Patients

NCT06424522
View directory record Official record
Conditions
Low Anterior Resection Syndrome, Rectal Carcinoma
Interventions
Dietary Fiber, Enema Administration, Loperamide Hydrochloride, Physical Therapy, Questionnaire Administration, X-Ray Imaging
Dietary Supplement · Procedure · Drug + 1 more
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 3, 2026, 5:34 AM EDT