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Showing 1–24 of 193 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Genetic Polymorphisms Clear all
Completed No phase listed Observational Results available

Genetic and Biochemical Markers of Interferon-Induced Depression.

NCT00252538
View directory record Official record
Conditions
Depression
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
Long Beach, California • Minneapolis, Minnesota • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Sep 5, 2026, 6:08 AM 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 Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Role of Glucocorticoid Receptor SNPs in Receptor Function and Metabolic Disease

NCT01143493
View directory record Official record
Conditions
Glucose Homeostasis, Protein Metabolism, Lipid Metabolism, Respiratory Function, Connective Tissue Metabolism
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 5, 2026, 6:08 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Genetic Factors in Age-Related Macular Degeneration

NCT00058695
View directory record Official record
Conditions
Macular Degeneration
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
50 Years and older
Enrollment
477 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

Follicle Stimulating Hormone (FSH) Receptor Polymorphisms in In-Vitro Fertilization Cycles.

NCT01002885
View directory record Official record
Conditions
Infertility
Interventions
Not listed
Lead sponsor
University Reproductive Associates
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Hasbrouck Heights, New Jersey • Hoboken, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

The COX-2 Gene and the Immune System

NCT01678222
View directory record Official record
Conditions
Allergic Inflammation, Asthma
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 150 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

THE GIRAFFE Study: Genomic Risk Markers for Atrial Fibrillation Following Extended Cardiac Rhythm Monitoring

NCT01970969
View directory record Official record
Conditions
Patients With Symptoms of Cardiac Arrhythmia at Risk for Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
928 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 5, 2026, 6:08 AM 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 Sep 5, 2026, 6:08 AM EDT
Recruiting No phase listed Observational

Assoc. of Genomic Polymorphisms With Cancer Cachexia in Subjects With Panc Adenocarcinoma

NCT05376592
View directory record Official record
Conditions
Pancreas Adenocarcinoma, Cachexia
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
2
States / cities
Charlotte, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 5, 2026, 6:08 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Pharmacogenomics IND SNP Clinical Trial - Alectinib and Single Nucleotide Polymorphisms

NCT05987956
View directory record Official record
Conditions
ALK-Positive Non-Small Cell Lung Cancer (NSCLC)
Interventions
ALECENSA - alectinib hydrochloride capsule
Drug
Lead sponsor
Han Xu, M.D., Ph.D., FAPCR, Medical Director,, IRB Chair
Industry
Eligibility
24 Years to 64 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Doral, Florida • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 5, 2026, 6:08 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Three Interacting Single Nucleotide Polymorphisms (SNPs) and the Risk of Preterm Birth in Black Families

NCT00675753
View directory record Official record
Conditions
Premature Birth
Interventions
Blood spot specimens will be drawn
Genetic
Lead sponsor
University of Miami
Other
Eligibility
1 Minute to 28 Days
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
2
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vitamin D Receptor Polymorphisms and Non-Melanoma Skin Cancer Risk

NCT03040492
View directory record Official record
Conditions
Skin Cancer, Non-Melanoma
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 5, 2026, 6:08 AM 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 Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pathogenesis and Genetics of Environmental Asthma Ozone Study

NCT00574158
View directory record Official record
Conditions
Asthma, Inflammation
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 35 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 5, 2026, 6:08 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 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

Investigating Cytokine Genes of Stem Cell Donors

NCT00353821
View directory record Official record
Conditions
Stem Cell Transplantation
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 5, 2026, 6:08 AM 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 Sep 5, 2026, 6:08 AM 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 Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

Genetics of Hepatitis C Virus Infection

NCT00005657
View directory record Official record
Conditions
Hepatitis C, Liver Disease
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
2 Years and older
Enrollment
870 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 6:08 AM EDT
Completed Phase 2 Interventional Results available

Satraplatin and Prednisone to Treat Prostate Cancer

NCT00634647
View directory record Official record
Conditions
Prostate Cancer, Genetic Polymorphism
Interventions
Satraplatin, prednisone
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 5, 2026, 6:08 AM EDT
Completed Phase 3 Interventional

Predicting the Response to Montelukast by Genetic Variation in Asthmatics

NCT00116324
View directory record Official record
Conditions
Asthma
Interventions
Montelukast
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 5, 2026, 6:08 AM 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 25, 2019 · Synced Sep 5, 2026, 6:08 AM EDT
Completed No phase listed Observational

Intraprostatic Androgenicity in Relation to Circulating Levels of Hormones and Polymorphisms of Hormone-Related Genes: A Methodologic Study

NCT00342433
View directory record Official record
Conditions
Prostate
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Male only
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2020
U.S. locations
6
States / cities
San Francisco, California • Washington D.C., District of Columbia • Lanham, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Sep 5, 2026, 6:08 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 5, 2026, 6:08 AM EDT