Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:13 PM EDT

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Showing 97–120 of 258 matching trials from the live ClinicalTrials.gov search.
Conditions
Cystinosis
Interventions
Cysteamine
Drug
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Week to 115 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1979
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Genetic Counseling, Inherited Cardiac Disease
Interventions
post-test cardiovascular genetic counseling with pre-test education by video, required phone call with genetic counselor pre-test, optional phone call with genetic counselor pre-test
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy Volunteers, Body Weight
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
20 Years to 50 Years · Female only
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

The Nosology and Etiology of Leukodystrophies of Unknown Causes

NCT00889174
Conditions
Leukodystrophy, Leukoencephalopathy
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month to 99 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Data Analysis, Cancer Genetics
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
Not listed
Enrollment
13,385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational

Family Studies of Eye Traits

NCT00342342
Conditions
Cataracts, Glaucoma, Myopia
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
45 Years and older
Enrollment
7,370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2020
U.S. locations
5
States / cities
Baltimore, Maryland • Bethesda, Maryland • Boston, Massachusetts + 2 more
Conditions
Genetics, Attitudes
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Adenosine Deaminase Deficiency, ADA-SCID
Interventions
Lentiviral Gene Transfer
Genetic
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Year to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

A Study of the Genetic Analysis of Brain Disorders

NCT00645645
Conditions
Holoprosencephaly
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month and older
Enrollment
5,735 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Precision Diets for Diabetes Prevention

NCT03919877
Conditions
Pre Diabetes, Insulin Resistance, Diabetes Mellitus, Type 2
Interventions
Dietary, Oral Food Challege
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Stanford, California
Completed No phase listed Observational Accepts healthy volunteers

Inherited Diseases, Caregiving, and Social Networks

NCT01498263
Conditions
Undiagnosed Disease, Healthy Volunteer (Adult With Typically Developing Child), Inherited Neurodegenerative Disorders, Inherited Metabolic Disorders (Inborn Errors of Metabolism), Alzheimer's Disease and Related Dementias
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Memphis, Tennessee
Conditions
Genetic Testing, Breast Cancer, Ovarian Cancer, Pancreatic Cancer, Prostate Cancer, Colorectal Cancer, Renal Cancer, Melanoma, Sarcoma
Interventions
Video Education, Genetic Counseling
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
1,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Risk Evaluation and Education for Alzheimer's Disease (REVEAL) II

NCT00089882
Conditions
Alzheimer Disease
Interventions
APOE Genetic susceptibility testing
Procedure
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • New York, New York + 1 more
Conditions
Huntington's Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Learning
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Oxidative Phosphorylation Deficiencies, Electron Transport Chain Disorders, Mitochondrial, Mitochondrial Disorders, Leigh Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
4 Weeks to 115 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Blood Coagulation Disorders
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Severe Combined Immunodeficiency Syndrome
Interventions
CD34+ cells transduced with ADA retrovir
Drug
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Family History
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Myelofibrosis, Gaucher Disease, Pulmonary Fibrosis, Hermansky-Pudlak Syndrome (HPS), Cancer
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 80 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Autoimmune Diseases
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 115 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Brain Disorders, Birth Defects, Craniofacial Differences
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 80 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Lowe Syndrome
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland