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Showing 1–24 of 181 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polymorphism-genetic Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

Naproxen Pharmacogenetic Study (Project 1, Aim 2)

NCT04449471
View directory record Official record
Conditions
Pharmacogenetics
Interventions
Naproxen tablet
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

Association of Genes to Resistance to Weight Loss in Obese Patients

NCT00858221
View directory record Official record
Conditions
Obesity, Metabolic Syndrome, Dyslipidemia
Interventions
Not listed
Lead sponsor
Interleukin Genetics, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
824 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 19, 2009 · Synced Jul 21, 2026, 12:32 PM 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 Jul 21, 2026, 12:32 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias

NCT02413450
View directory record Official record
Conditions
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), Early Repolarization Syndrome (ERS), Arrhythmogenic Cardiomyopathy (AC, ARVD/C), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy), Normal Control Subjects
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Not applicable Interventional

Genetic Determinations for Side Effects and Response Rate for Patients Receiving Chemotherapy With Diffuse Large Cell Lymphoma

NCT00590941
View directory record Official record
Conditions
Lymphoma, Diffuse Large Cell
Interventions
Blood draw
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 15, 2013 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

Mapping of End Stage Renal Disease Genetic Susceptibility in African Americans by Admixture Linkage Disequilibrium

NCT00559767
View directory record Official record
Conditions
End Stage Renal Disease (ESRD)
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
21 Years and older
Enrollment
2,860 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

Influence of Genes on Sirolimus Metabolism in Patients With Kidney Transplantation

NCT00352547
View directory record Official record
Conditions
Renal Transplant
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Jul 21, 2026, 12:32 PM 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 Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

Case-Control Viramune (Nevirapine) Toxicogenomics Study

NCT00310843
View directory record Official record
Conditions
HIV Infections
Interventions
Nevirapine
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
889 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
12
States / cities
Birmingham, Alabama • Denver, Colorado • Baltimore, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mu-Opioid Receptor Genetic Polymorphism and Intrathecal Analgesia

NCT00418015
View directory record Official record
Conditions
Labor Pain, Post-cesarean Delivery
Interventions
Blood Draw
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Delta Opioid Receptor Gene (OPRD1) Variations on Treatment Outcome in African Americans

NCT02225184
View directory record Official record
Conditions
Genetic Underpinning of Substance Abuse, Polymorphism-genetic, Drug Abuse/Dependence, Opiod-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2019 · Synced Jul 21, 2026, 12:32 PM 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 Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stem Cell Study of Genetics and Drug Addiction

NCT01534624
View directory record Official record
Conditions
Induced Pluripotent Stem Cells
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

The Fibrosis-Lymphedema Continuum in Head and Neck Cancer

NCT01187173
View directory record Official record
Conditions
Head and Neck Neoplasms, Fibrosis, Lymphedema, Biomarkers, Polymorphism, Genetic, Depression
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

Effect of Functional Genetic Polymorphisms on Brain Morphology and Function

NCT01035723
View directory record Official record
Conditions
Drug Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Jul 21, 2026, 12:32 PM EDT
Active, not recruiting No phase listed Observational

Genetic Testing of CYP2C19 in Prognostic Evaluation of Long-Term Major Adverse Cardiac and Vascular Events

NCT06855394
View directory record Official record
Conditions
Atherosclerotic Vascular Disease, Coronary Arterial Disease (CAD), Atherosclerosis of Coronary Artery, Atherosclerosis of Arteries of the Extremities, Unspecified, Heart Diseases, Stroke, Venous Thromboembolic Disease
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
13,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Phase 2 Interventional Results available

Genetic Effects on Dopamine Response to an Opiate

NCT01878006
View directory record Official record
Conditions
Polymorphism-Genetic, Pain, Addiction
Interventions
Morphine, Placebo
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 55 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Jul 21, 2026, 12:32 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Genetic Variation and Immune Responses After Injury

NCT00294697
View directory record Official record
Conditions
Sepsis, Pneumonia, Trauma, Burn, Injury
Interventions
Not listed
Lead sponsor
National Institute of General Medical Sciences (NIGMS)
NIH
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2010 · Synced Jul 21, 2026, 12:32 PM EDT
Withdrawn No phase listed Observational

Protocol for Postmenopausal Women at Increased Risk of Developing Breast Cancer

NCT00329017
View directory record Official record
Conditions
Breast Cancer
Interventions
Fine needle aspiration
Procedure
Lead sponsor
Carol Fabian, MD
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Jul 21, 2026, 12:32 PM EDT
Completed No phase listed Observational

The Genetic Basis of Atrial Fibrillation (AF)

NCT00248326
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2016 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Early Phase 1 Interventional Results available

ONES Grant: CXCL10/CXCR3 Regulation of Ozone-Induced Epithelial Permeability

NCT03599206
View directory record Official record
Conditions
Environmental and Genetic Factors on Lung Function
Interventions
Ozone, Filtered Air
Drug · Other
Lead sponsor
Robert Tighe, MD
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Diet on Men and Women With Genetic Alterations Associated With Abnormal Blood Tests

NCT00108212
View directory record Official record
Conditions
Dyslipidemia
Interventions
Diet
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Not applicable Interventional

Gene - Exercise Research Study

NCT00976742
View directory record Official record
Conditions
Cardiovascular Disease Risk Factors
Interventions
Endurance exercise training
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
50 Years to 75 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jul 21, 2026, 12:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Inherited Changes of Receptors Located on Blood Vessels

NCT00001741
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Losartan
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 12:32 PM EDT