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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:32 AM EDT

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Showing 337–360 of 574 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Genetic Testing Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Testing a Culturally Adapted Telephone Genetic Counseling Intervention

NCT03959267
View directory record Official record
Conditions
Breast Cancer, Hereditary Breast Cancer
Interventions
Telephone Genetic Counseling
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 90 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Hackensack, New Jersey • Alexandria, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 22, 2026, 11:32 AM EDT
Completed Not applicable Interventional

Genetic Testing in Young Adults With Cancer Study

NCT04533555
View directory record Official record
Conditions
Cancer
Interventions
Broad gene panel for young adult cancers, Standard
Genetic
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 40 Years
Enrollment
749 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Family Communications After Genetic Testing

NCT07143487
View directory record Official record
Conditions
Colon Adenocarcinoma, Colorectal Adenocarcinoma, Rectal Adenocarcinoma, Stage I Colon Cancer AJCC v8, Stage I Colorectal Cancer AJCC v8, Stage I Rectal Cancer AJCC v8, Stage II Colon Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage II Rectal Cancer AJCC v8, Stage III Colon Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8, Stage IV Colon Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Rectal Cancer AJCC v8
Interventions
Biospecimen Collection, Genetic Testing, Communication Intervention, Survey Administration
Procedure · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
4,186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
353
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 266 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 11:32 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 6, 2017 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting No phase listed Observational

Specimen Collection From Pregnant Women at Increased Risk for Fetal Aneuploidy

NCT01429389
View directory record Official record
Conditions
Down Syndrome, Fetal Aneuploidy
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2028
U.S. locations
12
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting No phase listed Observational

Utility of PCD Diagnostics to Improve Clinical Care

NCT05889013
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Nasal Nitric Oxide testing
Device
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
2 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Completed Phase 2 Interventional Results available

Effects of Sildenafil on CFTR-dependent Ion Transport Activity

NCT01132482
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil, Placebo
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Oct 22, 2026, 11:32 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of Ciprofloxacin (Inhaled) in Patients With Cystic Fibrosis

NCT00645788
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ciprofloxacin (Cipro Inhale, BAYQ3939), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years and older
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
58
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2014 · Synced Oct 22, 2026, 11:32 AM EDT
Terminated Phase 2 Interventional Results available

Genetic Testing in Predicting Response to Paclitaxel in Women With Breast Cancer

NCT00088829
View directory record Official record
Conditions
Breast Cancer
Interventions
Paclitaxel, microarray analysis, biopsy, neoadjuvant therapy
Drug · Genetic · Procedure
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Oct 22, 2026, 11:32 AM EDT
Terminated No phase listed Observational

Genetic Analysis of Liver Cancer

NCT00768001
View directory record Official record
Conditions
Liver Cancer, Hepatitis B, Hepatitis C, Hepatobiliary Cancers, Hepatobiliary Cancers Liver
Interventions
Not listed
Lead sponsor
Samuel So
Other
Eligibility
18 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Oct 22, 2026, 11:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Chromosomal Evaluation of Trisomy Study

NCT02201862
View directory record Official record
Conditions
Aneuploidy, Trisomy 21, Trisomy 18, Trisomy 13, Down Syndrome
Interventions
Not listed
Lead sponsor
Cindy Cisneros
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
3
States / cities
San Diego, California • Oaks, Pennsylvania • Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Oct 22, 2026, 11:32 AM EDT
Completed No phase listed Observational

Genetic Analysis of the Chiari I Malformation

NCT00004738
View directory record Official record
Conditions
Syringomyelia, Type I Arnold Chiari Malformation
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
1 Year and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Not listed No phase listed Observational

Increase Surveillance for Breast and Ovarian Cancers, Also to Determine Targeted Risk-reducing and Preventative Strategies

NCT03319290
View directory record Official record
Conditions
Hereditary Cancer
Interventions
BRCA1 and BRCA2
Genetic
Lead sponsor
Data Collection Analysis Business Management
Other
Eligibility
18 Years to 65 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Land O' Lakes, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 22, 2026, 11:32 AM EDT
Completed No phase listed Observational

A Non-Drug Study of The Suitability of Neurocognitive Tests And Functioning Scales For The Measurement of Cognitive And Functioning Changes in Individuals With Down Syndrome

NCT01580384
View directory record Official record
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
12 Years to 30 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Tucson, Arizona • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 22, 2026, 11:32 AM EDT
Terminated No phase listed Observational

Studying Common Genetic Mutations Related to Mucositis in Patients With Multiple Myeloma Receiving High-Dose Melphalan

NCT00602147
View directory record Official record
Conditions
Mucositis, Multiple Myeloma and Plasma Cell Neoplasm
Interventions
laboratory biomarker analysis
Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
3
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 22, 2026, 11:32 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Discovery and Validation of Genetic Variants Affecting Microglial Activation in Alzheimer's Disease

NCT04840979
View directory record Official record
Conditions
Alzheimer Disease
Interventions
11C-ER176, 18F-florbetaben
Drug
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Active, not recruiting Not applicable Interventional

Utilization of Educational Interventions in Completion of Genetic Testing in Black Patients With High-Risk Prostate Cancer

NCT05958082
View directory record Official record
Conditions
Prostate Cancer
Interventions
Educational video
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting No phase listed Observational

Collection of Blood From Patients With Cancer, Other Tumors, or Tumor Predisposition Syndromes for Genetic Analysis

NCT01441089
View directory record Official record
Conditions
Prostate Cancer, Breast Cancer, Lung Cancer, Ovarian Cancer, Lymphoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years and older
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting No phase listed Observational

Amyotrophic Lateral Sclerosis (ALS) Families Project

NCT03865420
View directory record Official record
Conditions
ALS
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 105 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Recruiting Not applicable Interventional

Peer Navigation for the Support of Metastatic Prostate Cancer Patients Undergoing Genetic Evaluation

NCT05487846
View directory record Official record
Conditions
Metastatic Prostate Carcinoma, Stage III Prostate Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8
Interventions
Patient Navigation, Genetic Counseling, Survey Administration, Best Practice
Behavioral · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 11:32 AM EDT
Completed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy

NCT00847990
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome
Interventions
Maternal blood screening test for fetal aneuploidy
Other
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
25
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2011 · Synced Oct 22, 2026, 11:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Online Health Tool About Down Syndrome: Down Syndrome Clinic to You

NCT04227197
View directory record Official record
Conditions
Down Syndrome
Interventions
Down Syndrome Clinic to You (DSC2U)
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
1 Year and older
Enrollment
281 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Oct 22, 2026, 11:32 AM EDT
Completed Phase 3 Interventional

Methods in Education for Breast Cancer Genetics

NCT00001806
View directory record Official record
Conditions
Breast Cancer, Ovarian Cancer
Interventions
Genetic Education and Counseling
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 22, 2026, 11:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The IGFBP-3 Stimulation Test: A New Tool for the Diagnosis of Growth Hormone Deficiency in Children.

NCT00235599
View directory record Official record
Conditions
Short Stature, Growth Hormone Deficiency
Interventions
IGFBP-3 Stimulation Test
Procedure
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
4 Years to 12 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2007 · Synced Oct 22, 2026, 11:32 AM EDT