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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:42 PM EDT

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Showing 73–96 of 182 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Genetic Polymorphism Clear all
Completed No phase listed Observational

A Pilot Study of Varying Doses of Tamoxifen in the Setting of Genetic Polymorphisms of CYP2D6

NCT00900744
View directory record Official record
Conditions
Breast Cancer
Interventions
Tamoxifen
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2017 · Synced Oct 17, 2026, 4:42 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Desiccated Thyroid Extract Versus Synthetic T3/T4 Combination (ThyrolarTM) Versus L-T4 Alone in the Therapy of Primary Hypothyroidism With Special Attention to the Gene Polymorphism

NCT02317926
View directory record Official record
Conditions
Hypothyroidism
Interventions
Levothyroxine, Levothyroxine Plus Liothyronine, Desiccated Thyroid Extract
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2015
U.S. locations
1
States / cities
Besthesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 17, 2026, 4:42 PM 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 Sep 16, 2026 · Synced Oct 17, 2026, 4:42 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A to Z Study Follow-up: Collection of DNA Data From Buccal Swabs

NCT00866151
View directory record Official record
Conditions
Weight Management, Diet Conditions, Dietary Recommendations, Overweight Management, Obesity
Interventions
Not listed
Lead sponsor
Interleukin Genetics, Inc.
Industry
Eligibility
25 Years to 50 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2009 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Parkinson's Diseases Susceptibility Genes and Pesticides

NCT00044590
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
1,870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational

Genetic Predictors of Cardiovascular Disease

NCT00339599
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
2,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 8, 2019 · Synced Oct 17, 2026, 4:42 PM EDT
Not listed No phase listed Observational

Observational Study Linking Genetic Variants With Clinical Outcomes in Pain Management

NCT02480075
View directory record Official record
Conditions
Pain, Chronic Pain
Interventions
Observational
Other
Lead sponsor
Proove Bioscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced Oct 17, 2026, 4:42 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Genetics of Congenital Heart Disease

NCT01192048
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
Blood Sample Collection
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 17, 2026, 4:42 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pharmacologically-augmented Cognitive Therapies (PACTs) for Schizophrenia.

NCT02634684
View directory record Official record
Conditions
Schizophrenia
Interventions
Dextroamphetamine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 17, 2026, 4:42 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 3, 2019 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational

Genetic Susceptibility to Cardiovascular Disease in Patients on Kidney Dialysis

NCT00340119
View directory record Official record
Conditions
End Stage Renal Disease, ESRD
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
19 Years and older
Enrollment
871 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 17, 2026, 4:42 PM 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 4, 2026 · Synced Oct 17, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relationship of Skin Related SNP to Topical Skin Care Product

NCT03446079
View directory record Official record
Conditions
Genetics, Skin Aging
Interventions
Topical Anti Aging Cream
Other
Lead sponsor
HelicalCodeMD
Industry
Eligibility
21 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Laguna Hills, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational

YouScript IMPACT Registry

NCT02191358
View directory record Official record
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Not listed
Lead sponsor
Genelex Corporation
Industry
Eligibility
65 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2017 · Synced Oct 17, 2026, 4:42 PM EDT
Terminated No phase listed Observational

Host Genetic Factors Influencing HIV1 and HCV Viral Loads and AIDS Clinical Progression in a Hemophilia Cohort (HGDS-3)

NCT00340548
View directory record Official record
Conditions
Hemophilia, AIDS
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
4 Years to 100 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2020
U.S. locations
15
States / cities
La Jolla, California • Los Angeles, California • Indianapolis, Indiana + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 17, 2026, 4:42 PM 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 6, 2017 · Synced Oct 17, 2026, 4:42 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacogenetics of Cannabinoid Response

NCT00678730
View directory record Official record
Conditions
COMT Gene Polymorphism
Interventions
delta 9 tetrahydrocannabinol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 17, 2026, 4:42 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 31, 2026 · Synced Oct 17, 2026, 4:42 PM 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 31, 2026 · Synced Oct 17, 2026, 4:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Asthma and Obesity Diet Versus Exercise

NCT03644355
View directory record Official record
Conditions
Obesity, Childhood, Asthma in Children, Inflammatory Response, Metabolic Syndrome, Nutrition Poor, Physical Activity, Behavior, Eating, Molecular Biology, Restriction Fragment Length Polymorphisms, Maternal Exposure, Genetic Change
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
13 Years to 19 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational

Polymorphisms at Distinct Genetic Loci Affect Response to Anti-CD20 Monoclonal Antibody Therapies

NCT02694913
View directory record Official record
Conditions
Lymphoma
Interventions
Non Interventional
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 17, 2026, 4:42 PM EDT
Completed No phase listed Observational

Risk of Psychopathology and Neurocognitive Impairment in Leukemia Survivors

NCT01014195
View directory record Official record
Conditions
Neurocognitive Impairment, Acute Lymphoblastic Leukemia
Interventions
Neurocognitive and behavioral evaluation
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
8 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Oct 17, 2026, 4:42 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 6, 2017 · Synced Oct 17, 2026, 4:42 PM EDT
Not listed No phase listed Observational

A Study of Gene Polymorphisms Associated With Specific Presentations of Sexual Addiction

NCT02844985
View directory record Official record
Conditions
Sexual Addiction
Interventions
No Intervention
Other
Lead sponsor
American Foundation for Addiction Research
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
8
States / cities
Scottsdale, Arizona • Wickenburg, Arizona • Los Angeles, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 17, 2026, 4:42 PM EDT