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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polymorphism-Genetic Clear all
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, 8:21 AM 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 6, 2016 · Synced Sep 2, 2026, 8:21 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 2, 2026, 8:21 AM EDT
Completed No phase listed Observational

Genetic Study of Patients Previously Treated With Flavopiridol on Clinical Trial NCI-97-C-0171C

NCT00040729
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
mutation analysis
Genetic
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Sep 2, 2026, 8:21 AM 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 1, 2017 · Synced Sep 2, 2026, 8:21 AM 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 13, 2025 · Synced Sep 2, 2026, 8:21 AM 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 8, 2022 · Synced Sep 2, 2026, 8:21 AM 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 Sep 2, 2026, 8:21 AM EDT
Completed No phase listed Observational

Vancomycin Associated Red Man Syndrome (RMS)

NCT00824122
View directory record Official record
Conditions
Red Man Syndrome
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
6 Months to 21 Years
Enrollment
544 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 11, 2011 · Synced Sep 2, 2026, 8:21 AM EDT
Completed No phase listed Observational

SNP-Based Prediction of Oral Mucositis Risk in Patients Receiving Hematopoietic Stem Cell Transplants (HSCT)

NCT01402687
View directory record Official record
Conditions
Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Multiple Myeloma
Interventions
Not listed
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Sep 2, 2026, 8:21 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, 8:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Genetic Factors in the Development of Lung Disease

NCT00001532
View directory record Official record
Conditions
Cystic Fibrosis, Pulmonary Fibrosis, Tuberous Sclerosis, Asthma, Pulmonary Sarcoidosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 90 Years
Enrollment
3,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1996
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 2, 2026, 8:21 AM EDT
Completed No phase listed Observational

Genetic Polymorphisms & The Risk for Sepsis After Trauma

NCT02021552
View directory record Official record
Conditions
Trauma
Interventions
blood sampling
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Sep 2, 2026, 8:21 AM 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 Sep 2, 2026, 8:21 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, 8:21 AM 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 Sep 2, 2026, 8:21 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, 8:21 AM EDT
Completed No phase listed Observational

Genetic Factors Related to Stuttering

NCT00001602
View directory record Official record
Conditions
Stuttering
Interventions
Not listed
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 2, 2026, 8:21 AM EDT
Completed No phase listed Observational

Structure of the Herpes Simplex Virus Receptor

NCT00001648
View directory record Official record
Conditions
Encephalitis, Herpes Simplex, Keratitis, Mouth Disease, Skin Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 8:21 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Brain Glutamate Receptors and Cocaine Dependence

NCT00951314
View directory record Official record
Conditions
Drug Abuse, Cocaine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
20 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 2, 2026, 8:21 AM EDT
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 Sep 2, 2026, 8:21 AM 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 29, 2016 · Synced Sep 2, 2026, 8:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Genetics of Severe Asthma in Children

NCT01238432
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
4 Years to 18 Years
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 2, 2026, 8:21 AM 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 5, 2015 · Synced Sep 2, 2026, 8:21 AM EDT