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ClinicalTrials.gov public records Last synced Oct 17, 2026, 3:43 PM EDT

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Showing 49–72 of 182 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Genetic Polymorphism Clear all
Completed No phase listed Observational Accepts healthy volunteers

Environmental Polymorphisms Registry Health and Exposures Survey

NCT01688986
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 and older
Enrollment
9,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 17, 2026, 3:43 PM EDT
Terminated Phase 4 Interventional Results available

Examining Genetic Influence on Response to Beta-Blocker Medications in People With Type 2 Diabetes

NCT00925119
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Atenolol
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

REVEAL III: Risk Evaluation and Education for Alzheimer's Disease

NCT00462917
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Pleiotropic info, in-person disclosure, AD-only info, in-person disclosure, Pleiotropic info, phone disclosure, AD-only info, phone disclosure
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Oct 17, 2026, 3:43 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Astronaut Vision Issues in a Ground Analog Population: Polycystic Ovary Syndrome

NCT02896452
View directory record Official record
Conditions
Polycystic Ovarian Syndrome, Idiopathic Intracranial Hypertension
Interventions
Not listed
Lead sponsor
National Aeronautics and Space Administration
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Genetic Predictors of Variability in the Drug-drug Interaction Between Darunavir/Ritonavir and Pravastatin

NCT00630734
View directory record Official record
Conditions
HIV Infections, Hyperlipidemia
Interventions
Pravastatin, Darunavir, Ritonavir, Washout
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Oct 17, 2026, 3:43 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Pharmacogenomics IND Commercial SNP Clinical Study - Abiraterone and Single Nucleotide Polymorphisms

NCT03348670
View directory record Official record
Conditions
Prostate Cancer
Interventions
Abiraterone - Usual, Abiraterone - Study
Drug
Lead sponsor
Han Xu, M.D., Ph.D., FAPCR, Sponsor-Investigator, IRB Chair
Industry
Eligibility
22 Years to 75 Years · Male only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetics of Progressive Multifocal Leukoencephalopathy and Acquired Immunodeficiency Syndrome

NCT00342602
View directory record Official record
Conditions
PML, AIDS
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
6
States / cities
Los Angeles, California • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2009 · Synced Oct 17, 2026, 3:43 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 4, 2008 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational

The Role of Genetic Polymorphisms in Innate Immune Response Genes in Susceptibility to Infections

NCT00597090
View directory record Official record
Conditions
Infections
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 20, 2011 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational

Nicotine Reinforcement and Smoking-Cue Reactivity: Association With Genetic Polymorphisms

NCT01505725
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 17, 2026, 3:43 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Influence of Histo-blood Group Antigen Polymorphism on the Composition of the Microbiota

NCT02349932
View directory record Official record
Conditions
Microbiota Analysis in Healthy Subjects
Interventions
Healthy Adults
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Oct 17, 2026, 3:43 PM 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 16, 2025 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational

Genetic Influences of Albuterol Response In Children With Bronchiolitis

NCT00570297
View directory record Official record
Conditions
Bronchiolitis
Interventions
Not listed
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
Up to 2 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 17, 2026, 3:43 PM EDT
Recruiting No phase listed Observational

Mechanisms of Increased Disease Severity in AD Patients With the IL-4Ra R576 Polymorphism

NCT04455906
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 65 Years
Enrollment
111 participants
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utilizing Non-Invasive Fibroscan® Technology to Identify Genetic Markers for Fatty Liver Progression

NCT02267148
View directory record Official record
Conditions
Non-alcoholic Fatty Liver Disease
Interventions
Not listed
Lead sponsor
UNC Nutrition Research Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 17, 2026, 3:43 PM 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 6, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed Phase 4 Interventional Results available

A Pharmacodynamic Study Comparing Prasugrel Versus Ticagrelor in Patients Undergoing PCI With CYP2C19 Loss-of-function:

NCT02065479
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Prasugrel, Ticagrelor
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 74 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational

NIEHS/UNC Environmental Polymorphism Study

NCT00340886
View directory record Official record
Conditions
Genetic Polymorphisms
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 17, 2026, 3:43 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Genetic Characterization of Movement Disorders and Dementias

NCT02014246
View directory record Official record
Conditions
Dementia, Movement Disorder
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 120 Years
Enrollment
12,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2059
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Purine Metabolism Enzyme SNP to Uric Acid Production

NCT01830725
View directory record Official record
Conditions
Gout, Hyperuricemia
Interventions
Not listed
Lead sponsor
Keesler Air Force Base Medical Center
Federal
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Keesler Air Force Base, Mississippi
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Oct 17, 2026, 3:43 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 14, 2014 · Synced Oct 17, 2026, 3:43 PM EDT
Completed No phase listed Observational

Haptoglobin Polymorphism as a Determinant of Adverse Outcome After Cardiac Surgery in Diabetic Patients

NCT02771808
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
biomarker samples
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 17, 2026, 3:43 PM EDT
Terminated No phase listed Observational

Post-surgical Pain Assessment in Children: Roles of Skin Conductance and Genomics

NCT02534168
View directory record Official record
Conditions
Pain
Interventions
Skin conductance monitor for measuring skin conductance
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
Up to 5 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Oct 17, 2026, 3:43 PM 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 19, 2022 · Synced Oct 17, 2026, 3:43 PM EDT