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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Genetic Polymorphism Clear all
Recruiting No phase listed Observational

Examining Genetic Factors That Affect the Severity of 22q11.2 Deletion Syndrome

NCT00556530
View directory record Official record
Conditions
DiGeorge Syndrome, 22q11.2 Deletion Syndrome
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 2, 2026, 10:13 AM 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 29, 2016 · Synced Sep 2, 2026, 10:13 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 2, 2026, 10:13 AM 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 12, 2016 · Synced Sep 2, 2026, 10:13 AM EDT
Completed No phase listed Observational

Mechanisms of Lung Allograft Rejection

NCT00340418
View directory record Official record
Conditions
Lung Transplant, Chronic Allograft Rejection
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
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, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

DNA Variations in the Gene in Young Patients With Wilms' Tumor

NCT00088803
View directory record Official record
Conditions
Kidney Cancer
Interventions
molecular genetic technique, polymerase chain reaction, polymorphism analysis
Genetic
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 18 Years
Enrollment
471 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
205
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 150 more
Source: ClinicalTrials.gov public record
Updated May 18, 2016 · Synced Sep 2, 2026, 10:13 AM 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 15, 2015 · Synced Sep 2, 2026, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Influence on Susceptibility to Type 1 Diabetes Mellitus

NCT00001985
View directory record Official record
Conditions
Diabetes Mellitus, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Sep 2, 2026, 10:13 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 2, 2026, 10:13 AM 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 4, 2018 · Synced Sep 2, 2026, 10:13 AM 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 Sep 2, 2026, 10:13 AM 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 15, 2017 · Synced Sep 2, 2026, 10:13 AM 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 Sep 2, 2026, 10:13 AM EDT
Recruiting No phase listed Observational

Toxicity Genetic Determinants and Response to Azacitidine and Venetoclax in AML

NCT06580106
View directory record Official record
Conditions
Leukemia, Myeloid, Acute
Interventions
Biospecimen samples
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Charlotte, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 2, 2026, 10:13 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 2, 2026, 10:13 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, 10:13 AM EDT
Completed No phase listed Observational

How Our Immune System Can Help Fight Cancer

NCT01042847
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Not listed
Lead sponsor
Winthrop University Hospital
Other
Eligibility
20 Years to 90 Years · Female only
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 2, 2026, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of Genes Associated With Lung Disease in Patients With Rheumatoid Arthritis

NCT00001885
View directory record Official record
Conditions
Healthy, Pulmonary Fibrosis, Rheumatoid Arthritis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 10:13 AM EDT
Completed Not applicable Interventional

Precision Medicine Guided Treatment for Cancer Pain

NCT02664350
View directory record Official record
Conditions
Pain, CYP2D6 Polymorphism
Interventions
CYP2D6, Brief Pain Inventory-Short Form (BPI-SF), M.D. Anderson Symptom Inventory (MDASI), OPRM1
Genetic · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 120 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Gainesville, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Sep 2, 2026, 10:13 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, 10:13 AM EDT
Enrolling by invitation Phase 2 Interventional

KIR Favorable Mismatched Haplo Transplant and KIR Polymorphism in ALL/AML/MDS Allo-HCT Children

NCT02646839
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Myelodysplastic Syndromes
Interventions
CliniMacs TCR alpha-beta-Biotin system
Device
Lead sponsor
Michael Pulsipher
Other
Eligibility
Up to 21 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
11
States / cities
Los Angeles, California • Oakland, California • Palo Alto, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 2, 2026, 10:13 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, 10:13 AM EDT
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, 10:13 AM 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 19, 2011 · Synced Sep 2, 2026, 10:13 AM EDT