Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 16, 2026, 5:21 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Diet History Questionnaire Clear all
Completed No phase listed Observational

Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease

NCT03626246
View directory record Official record
Conditions
Chronic Kidney Disease, End Stage Kidney Disease, Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Secondary Hyperparathyroidism
Interventions
Kidney disease
Other
Lead sponsor
Columbia University
Other
Eligibility
40 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Microbiome, Bile Acids, and Notch in Barrett's Esophagus (BE)

NCT05524844
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Adenocarcinoma
Interventions
Sample Collection, Endoscopy results, Dietary questionnaire
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Susceptibility Biomarkers in Children With Neuroblastoma (Also Known as Neuroblastoma Epidemiology in North America [NENA])

NCT01119560
View directory record Official record
Conditions
Neuroblastoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Not listed
Enrollment
576 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
141
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 119 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational

CT Scans in Screening for Lung Cancer in Current and Former Smokers

NCT00625690
View directory record Official record
Conditions
Lung Cancer
Interventions
questionnaire administration, computed tomography, evaluation of cancer risk factors, study of high risk factors
Other · Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 120 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 16, 2026, 5:21 PM EDT
Terminated Phase 4 Interventional Results available

Nutrition and Pharmacological Algorithm for Oncology Patients Study

NCT04155008
View directory record Official record
Conditions
Oncologic Complications, Quality of Life, Nutrition Poor, Head and Neck Cancer, Lung Cancer, Pancreatic Cancer
Interventions
Dexamethasone, Dronabinol, Mirtazapine, Nutrition Intervention
Drug · Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 16, 2026, 5:21 PM EDT
Completed Not applicable Interventional

Brain, Appetite, Teens, and Exercise

NCT03783390
View directory record Official record
Conditions
Energy Balance, Appetitive Behavior, Obesity
Interventions
Exercise Intervention, Newsletter
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Oct 16, 2026, 5:21 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effect of Nutrient Sequencing in Healthy Adults

NCT07873437
View directory record Official record
Conditions
Pre Diabetes
Interventions
Finger Prick- Blood Glucose, Whole Blood Draw, Diet History Questionnaire, Physical Activity Assessment
Procedure · Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Effect of PPI Therapy on Weight, Gut Microbiome, and Expression of GPR41 and GPR43

NCT02457104
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Obesity
Interventions
Colonoscopy, Weight and diet questionnaire
Procedure · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 59 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 16, 2026, 5:21 PM EDT
Completed Not applicable Interventional

Virtual Mindfulness and Weight Management to Mitigate Risk of Relapse and Improve Wellbeing in Cancer Survivors

NCT06030427
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm, Obesity-Related Malignant Neoplasm
Interventions
Behavioral Dietary Intervention, Educational Intervention, Health Promotion and Education, Internet-Based Intervention, Interview, Medical Device Usage and Evaluation, Mindfulness Relaxation, Physical Performance Testing, Questionnaire Administration
Behavioral · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 24, 2025 · Synced Oct 16, 2026, 5:21 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?

NCT06616363
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer

NCT05732623
View directory record Official record
Conditions
Colorectal Cancer, Early Onset Colorectal Cancer, Diet Habit, Risk Reduction
Interventions
Semi Quantitative Food Frequency Questionnaire (SQFFQ)
Behavioral
Lead sponsor
San Raffaele University
Other
Eligibility
18 Years to 49 Years
Enrollment
2,300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2035
U.S. locations
2
States / cities
Denver, Colorado • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Assessing Intestinal Microbiota Diversification and Changes After Travel to South(East) Asia From the US

NCT03043300
View directory record Official record
Conditions
Dysbiosis
Interventions
Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

World Trade Center Adolescent Health Study

NCT02068183
View directory record Official record
Conditions
Asthma, Hypertension, Cardiovascular Risk Factor, Insulin Resistance, Stress Disorders, Post-Traumatic, Exposure to Toxic Dust
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
12 Years to 20 Years
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Environment and Reproductive Health; Human Exposure to Bisphenol A, Phthalates and Fertility and Pregnancy Outcomes

NCT00011713
View directory record Official record
Conditions
Infertility
Interventions
Completion questionnaires/providing biological samples
Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 55 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2020 · Synced Oct 16, 2026, 5:21 PM EDT
Recruiting No phase listed Observational

The REgistry of Very Early Estrogen and AnovuLation

NCT06583408
View directory record Official record
Conditions
Hypothalamic Amenorrhea, Functional, Hypothalamic Amenorrhea, Functional Hypogonadotropic Hypogonadism
Interventions
Automated Self-Administered 24-hour Dietary Assessment Tool (ASA24), REVEAL Questionnaire
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 16, 2026, 5:21 PM EDT
Completed Not applicable Interventional Results available

Omega-3 Supplementation for Pediatric Migraine

NCT06899074
View directory record Official record
Conditions
Migraine
Interventions
Omega 3 Polyunsaturated Fats, Matching Placebo
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
10 Years to 17 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Mammography, Early Detection Biomarkers, Risk Assessment, and Imaging Technologies, MERIT Study

NCT03408353
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Biospecimen Collection, Mammography, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 80 Years · Female only
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pancreatic Cancer Collaborative Registry

NCT00661882
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
medical chart review, questionnaire administration, study of socioeconomic and demographic variables, biopsy
Other · Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 100 Years
Enrollment
379 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2013
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying Genes, Environment, and Prostate Cancer Risk in Patients With or Without Prostate Cancer

NCT01013129
View directory record Official record
Conditions
Hereditary Prostate Cancer, Prostate Cancer
Interventions
DNA analysis, polymorphism analysis, laboratory biomarker analysis, medical chart review, questionnaire administration, evaluation of cancer risk factors, study of high risk factors
Genetic · Other · Procedure
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
21 Years to 120 Years · Male only
Enrollment
748 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Oct 16, 2026, 5:21 PM EDT
Completed Not applicable Interventional

Brief Interventions in Chronic Migraine

NCT05979337
View directory record Official record
Conditions
Chronic Migraine
Interventions
Empowered Relief, Health Education (HE), Treatment as Usual
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 16, 2026, 5:21 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Mutations and Environmental Exposure in Young Patients With Retinoblastoma and in Their Parents and Young Healthy Unrelated Volunteers

NCT00690469
View directory record Official record
Conditions
Extraocular Retinoblastoma, Intraocular Retinoblastoma, Recurrent Retinoblastoma
Interventions
Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Not listed
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
49
States / cities
Los Angeles, California • Madera, California • San Francisco, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 16, 2026, 5:21 PM EDT
Terminated Not applicable Interventional

STEPs to Blood Pressure Reduction.

NCT02591394
View directory record Official record
Conditions
Stroke Prevention, Blood Pressure Reduction
Interventions
STEP Clinic, Usual Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Oct 16, 2026, 5:21 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Diabetes/ Endocrine Surveillance in SDS

NCT04275479
View directory record Official record
Conditions
Shwachman-Diamond Syndrome
Interventions
Oral Glucose Tolerance Test, Modified Oral Glucose Tolerance Test, Modified Mixed Meal Tolerance Test, Continuous Glucose Monitor, Food Diary, Medical History Questionnaires
Diagnostic Test · Other · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
3 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 16, 2026, 5:21 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Molecular Predisposition to Hereditary Nonpolyposis Colon Cancer (HNPCC)

NCT01447199
View directory record Official record
Conditions
Bladder Cancer, Colorectal Cancer, Endometrial Cancer, Kidney Cancer, Skin Cancer, Uterus Cancer
Interventions
Health and Diet Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 7, 2020 · Synced Oct 16, 2026, 5:21 PM EDT