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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 2, 2026, 5:18 AM 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 181 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Polymorphism-Genetic Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers

Nicotinic Receptor Genetic Variation and Alcohol Reward

NCT03294460
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Alcohol (Oral), Alcohol (IV), Alcohol (Ethanol)
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational

Imaging and Genetic Investigation of Learning and Decision Making

NCT01950377
View directory record Official record
Conditions
Polymorphism- Genetic, Reward Mediating System
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 23, 2022 · Synced Sep 2, 2026, 5:18 AM EDT
Completed Early Phase 1 Interventional

Vitamin D, Leptin, Vitamin D Receptor Polymorphism, and Treatment-Related Morbidity in Ovarian Cancer

NCT03028519
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Vitamin D3
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Sep 2, 2026, 5:18 AM EDT
Active, not recruiting Phase 4 Interventional

Investigating Dupilumab's Effect in Asthma by Genotype

NCT03694158
View directory record Official record
Conditions
Asthma
Interventions
Dupilumab, Placebo
Drug · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • Detroit, Michigan • The Bronx, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Recruiting No phase listed Observational

Genetic Polymorphisms in Idiopathic Pulmonary Fibrosis (IPF)

NCT00258570
View directory record Official record
Conditions
Pulmonary Fibrosis
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2035
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Personalized Environment and Genes Study

NCT00341237
View directory record Official record
Conditions
Diabetes, Heart Disease, Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Can Immune Parameters Predict Acute and Chronic Rejection in Lung Recipients?

NCT00340951
View directory record Official record
Conditions
Lung Transplantation
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
2
States / cities
Durham, North Carolina • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational

The Role of Bacteria and Genetic Variations in Cystic Fibrosis

NCT00043225
View directory record Official record
Conditions
Psuedomas Infection, Cystic Fibrosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
9 Years to 80 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2018
U.S. locations
4
States / cities
Bethesda, Maryland • Seattle, Washington • Madison, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 2, 2026, 5:18 AM EDT
Completed Early Phase 1 Interventional

Neurobiology of Functional Movement Disorder and Non-Epileptic Seizures

NCT00500994
View directory record Official record
Conditions
Movement Disorders
Interventions
MRI
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 99 Years
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2022
U.S. locations
2
States / cities
Bethesda, Maryland • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Malaria Transmission Studies in Mali

NCT01829737
View directory record Official record
Conditions
Malaria, Falciparum
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 65 Years
Enrollment
534 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Sep 2, 2026, 5:18 AM EDT
Terminated No phase listed Observational

Evaluation of Single Nucleotide Polymorphisms (SNPs) in Patients With and Without Diabetic Macular Edema

NCT01168258
View directory record Official record
Conditions
Diabetic Retinopathy, Diabetic Macular Edema
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 2, 2026, 5:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Polymorphic Effects of Cytochrome P450 3A5 on Pharmacokinetics of Maraviroc and Its Metabolites

NCT01980329
View directory record Official record
Conditions
Cytochrome P450 CYP3A5 Enzyme Polymorphism, Healthy Subjects, Pharmacokinetics of Maraviroc
Interventions
Maraviroc
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2015 · Synced Sep 2, 2026, 5:18 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of the Genetics of Bipolar Disorder

NCT00001174
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 100 Years
Enrollment
4,185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1994
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Contribution of UGT2B17 to the Pharmacokinetics of Diclofenac

NCT06053411
View directory record Official record
Conditions
Interaction
Interventions
Diclofenac, curcumin
Drug · Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Model for Genetic Susceptibility: Melanoma

NCT00591500
View directory record Official record
Conditions
Melanoma, Skin Cancer
Interventions
Questionnaire
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
4,082 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Recruiting No phase listed Observational

Implementation of Onsite Rapid CYP2C19 Assay for Genotype Guided Dual Antiplatelet Therapy After Acute Ischemic Stroke

NCT06292117
View directory record Official record
Conditions
Ischemic Stroke, CYP2C19 Polymorphism
Interventions
CYP2C19 Genotype
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Determine the Effects of Gene Differences and Voriconazole on Enzyme CYP2B6 Activity in the Liver in Healthy Volunteers

NCT01104376
View directory record Official record
Conditions
Efavirenz, Metabolism and Pharmacokinetics Changes
Interventions
Efavirenz, voriconazole
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Sep 2, 2026, 5:18 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Role of CYP2B6, CYP3A4, and MDR1 in the Metabolic Clearance of Methadone

NCT00504413
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
midazolam(drug), digoxin (drug), Bupropion (drug), Methadone (drug)
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2010 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational

Angiotensin-Converting Enzyme Gene Polymorphism and the Risk of Chronic Allograft Nephropathy

NCT00006328
View directory record Official record
Conditions
Kidney Disease
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational

Exposure to Neurotoxins as Risk Factors for ALS

NCT00340301
View directory record Official record
Conditions
ALS
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Not listed
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational Results available

Extracellular Matrix Marker of Arrhythmia Risk (EMMA)

NCT00376532
View directory record Official record
Conditions
Myocardiopathies, Ischemia, Myocardial, Arrythmia, Death, Sudden, Cardiac
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2014 · Synced Sep 2, 2026, 5:18 AM EDT
Completed No phase listed Observational

Pharmacogenomic Response to Thyrotropin-Releasing Hormone Stimulation in Healthy Volunteers: The Influence of a Common Type 2 Deiodinase Genetic Polymorphism on Serum T3

NCT00812149
View directory record Official record
Conditions
Thyroid Disease, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 2, 2026, 5:18 AM EDT
Not listed No phase listed Observational

DNA Diagnostics for Minimizing Metabolic Side-Effects of Antipsychotics

NCT00752960
View directory record Official record
Conditions
Psychoses
Interventions
Not listed
Lead sponsor
Genomas, Inc
Industry
Eligibility
18 Years to 59 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Hartford, Connecticut • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 15, 2008 · Synced Sep 2, 2026, 5:18 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Bioequivalence ANDA SNP Clinical Study - Raloxifene and Single Nucleotide Polymorphisms

NCT06062810
View directory record Official record
Conditions
Breast Cancer
Interventions
Raloxifene - Usual, Raloxifene - Study
Drug
Lead sponsor
Han Xu, M.D., Ph.D., FAPCR, Sponsor-Investigator, IRB Chair
Industry
Eligibility
24 Years to 64 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 2, 2026, 5:18 AM EDT