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ClinicalTrials.gov public records Last synced Nov 4, 2026, 3:03 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 193–216 of 250 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Polymorphism Clear all

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

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

Conditions: CYP2D6 Polymorphism
Interventions: Vitamin A; Drug
Lead sponsor: University of Washington; Other
Eligibility: 18 Years to 50 Years · Female only
Enrollment: 82 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2022
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Age-Related Macular Degeneration
Interventions: Ranibizumab; Drug
Lead sponsor: University of California, San Diego; Other
Eligibility: 50 Years and older
Enrollment: 66 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2013
U.S. locations: 1
States / cities: San Diego, California

Conditions: Status Asthmaticus
Interventions: Blood draw; Procedure
Lead sponsor: Connecticut Children's Medical Center; Other
Eligibility: 2 Years to 18 Years
Enrollment: 126 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2009
U.S. locations: 1
States / cities: Hartford, Connecticut

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

Conditions: Respiratory Syncytial Virus Infections
Interventions: Not listed
Lead sponsor: West Penn Allegheny Health System; Other
Eligibility: 65 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2009
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

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

Conditions: Asthma
Interventions: EPA enriched fish oils; Dietary Supplement
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Mather, California

Conditions: Type 2 Diabetes Mellitus, Periodontal Disease
Interventions: Periodontal Scaling and root planing; Procedure
Lead sponsor: The University of Texas Health Science Center, Houston; Other
Eligibility: 18 Years and older
Enrollment: 134 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Asthma
Interventions: Dupilumab, Placebo; Drug · Other
Lead sponsor: Boston Children's Hospital; Other
Eligibility: 12 Years and older
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2027
U.S. locations: 6
States / cities: Boston, Massachusetts • Detroit, Michigan • The Bronx, New York + 2 more

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

Conditions: Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), Early Repolarization Syndrome (ERS), Arrhythmogenic Cardiomyopathy (AC, ARVD/C), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy), Normal Control Subjects
Interventions: Not listed
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 85 Years
Enrollment: 100 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2031
U.S. locations: 1
States / cities: Baltimore, Maryland

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

Conditions: Cancer
Interventions: polymorphism analysis, laboratory biomarker analysis; Genetic · Other
Lead sponsor: Vanderbilt-Ingram Cancer Center; Other
Eligibility: Not listed
Enrollment: 252 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008
U.S. locations: 3
States / cities: Nashville, Tennessee

Conditions: Congenital Heart Disease
Interventions: Not listed
Lead sponsor: Emory University; Other
Eligibility: Not listed
Enrollment: 224 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2010
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Panic Disorder
Interventions: Not listed
Lead sponsor: National Institute of Mental Health (NIMH); NIH
Eligibility: 18 Years to 60 Years
Enrollment: 117 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2018
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Alzheimer's Disease
Interventions: APOE Disclosure; Behavioral
Lead sponsor: National Human Genome Research Institute (NHGRI); NIH
Eligibility: 18 Years to 85 Years
Enrollment: 301 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2000 – 2004
U.S. locations: 3
States / cities: Boston, Massachusetts • New York, New York • Cleveland, Ohio

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

Conditions: Healthy
Interventions: Not listed
Lead sponsor: National Institute on Aging (NIA); NIH
Eligibility: 21 Years to 45 Years
Enrollment: 400 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2003 – 2006
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Induced Pluripotent Stem Cells
Interventions: Not listed
Lead sponsor: National Institute on Drug Abuse (NIDA); NIH
Eligibility: 21 Years to 65 Years
Enrollment: 49 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Cardiovascular Diseases, Heart Diseases, Hypertension, Coronary Disease, Myocardial Infarction
Interventions: Chlorthalidone, Lisinopril, Amlodipine, Doxazosin; Drug
Lead sponsor: Donna Arnett, 257-5678; Other
Eligibility: 55 Years and older
Enrollment: 37,939 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1999 – 2005
U.S. locations: 1
States / cities: Lexington, Kentucky

Conditions: Pelvic Organ Prolapse
Interventions: Not listed
Lead sponsor: Atlantic Health System; Other
Eligibility: Female only
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Morristown, New Jersey

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

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

Brain Glutamate Receptors and Cocaine Dependence

Effects of Retinoids on CYP2D6 Activity During Pregnancy

Study EvAluating Genotypes While Using Lucentis 2

B2-Adrenergic Receptor Polymorphisms

Observational Study Linking Genetic Variants With Clinical Outcomes in Pain Management

Association Between Cytokines and Severity of Respiratory Syncytial Virus (RSV)-Induced Illness in the Elderly

Structure of the Herpes Simplex Virus Receptor

Fish Oil to Prevent Asthma Exacerbations in Patients With ALOX5 Polymorphisms

The Effect of Non-Surgical Periodontal Therapy on Glycemic Control and Bacterial Levels in a Mexican-American Population With Type 2 Diabetes

Investigating Dupilumab's Effect in Asthma by Genotype

Asthma and Obesity Diet Versus Exercise

Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias

Genetic Effects on Dopamine Response to an Opiate

Chronic Graft-Versus-Host Disease in Patients Who Have Undergone Donor Stem Cell Transplant

Influence of Genetic Polymorphisms on Ventricular Structure and Function in Patients With Single Ventricle Anatomy

Genetic Causes of Panic Disorder

Risk Evaluation and Education for Alzheimer's Disease

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

Forearm Vascular Relaxation

Stem Cell Study of Genetics and Drug Addiction

Genetics of Hypertension Associated Treatments (GenHAT)

Do Patients With Early Post Operative Recurrence of Pelvic Organ Prolapse Have a Genetic Predisposition?

The Fibrosis-Lymphedema Continuum in Head and Neck Cancer