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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Genetic markers Clear all
Completed No phase listed Observational Accepts healthy volunteers

Study of Scaling Disorders and Other Inherited Skin Diseases

NCT00001292
View directory record Official record
Conditions
Genetic Skin Disease, Keratosis Follicularis, Lamellar Ichthyosis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Sep 23, 2026, 10:50 AM EDT
Completed Not applicable Interventional

The Use Of L-Methylfolate As A Treatment For Depression

NCT02133898
View directory record Official record
Conditions
Depression
Interventions
L-methylfolate
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Sep 23, 2026, 10:50 AM EDT
Active, not recruiting Phase 4 Interventional

Effects of Brain Beta-Amyloid on Postoperative Cognition

NCT01606488
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
Florbetapir F 18 (18F-AV-45), no intervention
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 23, 2026, 10:50 AM EDT
Withdrawn No phase listed Observational

Identification of Novel Markers of Human Lung Disease

NCT02369575
View directory record Official record
Conditions
Lung Diseases, Interstitial
Interventions
novel biomarkers of lung disease
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 23, 2026, 10:50 AM EDT
Not listed No phase listed Observational

Aneurysm Genetic Risk in Patients With QIB Changes

NCT05317169
View directory record Official record
Conditions
Brain Aneurysm
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Sep 23, 2026, 10:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Genetic Research in Schizophrenia Using DNA Markers and Clinical Phenotypes

NCT00108303
View directory record Official record
Conditions
Schizophrenia
Interventions
Diagnostic
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
1 Year to 79 Years
Enrollment
538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Sep 23, 2026, 10:50 AM EDT
Withdrawn No phase listed Observational

Molecular Markers and Genetic Markers in Patients Undergoing Radiation Therapy for Cancer

NCT00899808
View directory record Official record
Conditions
Hematopoietic/Lymphoid Cancer, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
Not listed
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Sep 23, 2026, 10:50 AM EDT
Not listed Not applicable Interventional

Autoimmune Cytopenias as a Sign of Primary Immunodeficiency.

NCT06276036
View directory record Official record
Conditions
Cytopenia
Interventions
Identification of specific markers
Other
Lead sponsor
Meyer Children's Hospital IRCCS
Other
Eligibility
1 Year to 17 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Sep 23, 2026, 10:50 AM EDT
Completed No phase listed Observational

Racial and Genetic Biomarkers of Response in Tissue Samples From Patients With Endometrial Cancer

NCT01198171
View directory record Official record
Conditions
Stage I Uterine Corpus Cancer, Stage II Uterine Corpus Cancer, Stage III Uterine Corpus Cancer, Stage IV Uterine Corpus Cancer
Interventions
Laboratory Biomarker Analysis, Study of Socioeconomic and Demographic Variables
Other
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
Female only
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Sep 23, 2026, 10:50 AM EDT
Withdrawn No phase listed Observational

Genetic Markers as Predictors of Phenotypes in Pediatric Onset Crohn's Disease

NCT00783575
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis, Inflammatory Bowel Disease
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2015
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 23, 2015 · Synced Sep 23, 2026, 10:50 AM EDT
Completed No phase listed Observational

Evaluation of Genetic Markers as Explanations for the Observed Differences in Disease Progression in HIV+ Youth

NCT00107029
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
10
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 23, 2026, 10:50 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Natural History Study of and Genetic Modifiers in Spinocerebellar Ataxias

NCT01060371
View directory record Official record
Conditions
Spinocerebellar Ataxia Type 1, Spinocerebellar Ataxia Type 2, Spinocerebellar Ataxia Type 3, Spinocerebellar Ataxia Type 6, Spinocerebellar Ataxia Type 7, Spinocerebellar Ataxia Type 8, Spinocerebellar Ataxia Type 10, RFC1 Gene Mutation, Spinocerebellar Ataxia Type 27b, Healthy Participants
Interventions
Genetic Testing, Blood Collection, Magnetic Resonance Imaging (MRI) Scan, Assessments and Questionnaires, Cerebrospinal Fluid Collection
Genetic · Other
Lead sponsor
Lauren Moore
Other
Eligibility
6 Years and older
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2030
U.S. locations
16
States / cities
Los Angeles, California • San Francisco, California • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 23, 2026, 10:50 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

In Vitro Fertilization (IVF) and Prenatal Effects Independent of Genetics

NCT07296107
View directory record Official record
Conditions
Maternal Distress, Child Development
Interventions
Prenatal maternal psychosocial and biological assessment protocol
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 23, 2026, 10:50 AM EDT
Not listed No phase listed Observational

A Pilot Surveillance Study to Monitor Natural Killer Cells and Circulating Tumor Cells in Women With Previously Treated Non-metastatic Triple Negative Breast Cancer and Women With Previously Treated Non-metastatic Breast Cancer With a Confirmed BRCA Mutation.

NCT02639832
View directory record Official record
Conditions
Triple Negative Breast Cancer, Natural Killer Cells, BRCA Mutation
Interventions
LiquidBiopsy®, NK VueTM
Device
Lead sponsor
Cynvenio Biosystems
Industry
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Westlake Village, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2016 · Synced Sep 23, 2026, 10:50 AM EDT
Completed Phase 2 Interventional Results available

Erlotinib, Docetaxel, and Radiation Therapy in Stage III or Stage IV Squamous Cell Carcinoma of the Head and Neck

NCT00720304
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
docetaxel, erlotinib hydrochloride, fluorescence in situ hybridization, polymerase chain reaction, immunoenzyme technique, immunohistochemistry staining method, laboratory biomarker analysis, pharmacological study, therapeutic conventional surgery, intensity-modulated radiation therapy, radiation therapy
Drug · Genetic · Other + 2 more
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Sep 23, 2026, 10:50 AM 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 12, 2020 · Synced Sep 23, 2026, 10:50 AM EDT
Completed Phase 3 Interventional Results available

A Study of Synthetic Human Secretin (ChiRhoStim®) Administered Intravenously to Stimulate Exocrine Pancreas Fluid Secretion for Collection Via Endoscope and Laboratory Analysis of DNA Markers

NCT01087801
View directory record Official record
Conditions
Pancreatic Disease
Interventions
ChiRhoStim, Placebo
Drug
Lead sponsor
ChiRhoClin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 5, 2011 · Synced Sep 23, 2026, 10:50 AM EDT
Completed No phase listed Observational

Suicidal Thought and Biological Markers

NCT01992445
View directory record Official record
Conditions
Suicidal Intention
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years and older
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Cincinnati, Ohio • Princeton, West Virginia
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced Sep 23, 2026, 10:50 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

Imaging Biomarkers of Pancreatic Function and Disease

NCT05659147
View directory record Official record
Conditions
Pancreatitis, Diabetes Mellitus
Interventions
Research MRI without administration of intravenous secretin, Research MRI with administration of intravenous secretin, Genetic Sequencing, Blood Tests, Stool Tests, Survey Completion, Endoscopic pancreatic function tests (ePFTs), Secretin
Diagnostic Test · Genetic · Other + 1 more
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 21 Years
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 23, 2026, 10:50 AM EDT
Completed No phase listed Observational

A Biomarker Database to Investigate Blood-Based and Digital Biomarkers in Participants Screened for Alzheimer's Disease (Bio-Hermes)

NCT04733989
View directory record Official record
Conditions
Alzheimer Disease, Alzheimer Disease, Early Onset, Mild Cognitive Impairment, Memory Loss, Memory Disorders, Memory Impairment
Interventions
Biomarker Data Collection
Other
Lead sponsor
GAP Innovations, PBC
Industry
Eligibility
60 Years to 85 Years
Enrollment
1,002 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
16
States / cities
Aventura, Florida • Coral Gables, Florida • Lady Lake, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 23, 2026, 10:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Mineralocorticoid Receptor (MR) Antagonist (Eplerenone) vs Amlodipine and STRIATIN

NCT03683069
View directory record Official record
Conditions
Hypertension, Genetics Hypertension
Interventions
Eplerenone vs Amlodipine
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 23, 2026, 10:50 AM EDT
Terminated Not applicable Interventional

EF5 to Evaluate Tumor Hypoxia in Patients With High-Grade Soft Tissue Sarcoma or Mouth Cancer

NCT00896961
View directory record Official record
Conditions
Stage I Adult Soft Tissue Sarcoma, Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage II Adult Soft Tissue Sarcoma, Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage III Adult Soft Tissue Sarcoma, Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity
Interventions
EF5, diagnostic laboratory biomarker analysis, pharmacological study
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 15, 2013 · Synced Sep 23, 2026, 10:50 AM EDT
Recruiting No phase listed Observational

Detection of Genetic Markers of Lung Cancer

NCT00280202
View directory record Official record
Conditions
Lung Cancer
Interventions
Biopsy of the major carinal area, Biopsy of abnormal & suspicious areas of the bronchial tree, Evaluation of the tumor for DNA mutations, Bronchoalveolar Lavage (BAL) for cytokine analysis, Correlation of flow cytometric & RT PCR for TNM stage, Analysis of lymph nodes
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2050
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 23, 2026, 10:50 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Health eHeart BioBank

NCT06976502
View directory record Official record
Conditions
Heart Diseases, Cardiac Diseases, Vascular Diseases, Cardiovascular Diseases
Interventions
Blood Draw, Tissue Collection, DNA Collection, Medical Chart Review
Procedure · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
500,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2035
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 23, 2026, 10:50 AM EDT