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ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:10 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 241–264 of 280 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: DNA sample collection Clear all
Recruiting No phase listed Observational

ctDNA in Cutaneous Squamous Cell Carcinoma

NCT06875609
View directory record Official record
Conditions
Cutaneous Squamous Cell Carcinoma
Interventions
Blood and Tissue Collection
Diagnostic Test
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

Understanding the Molecular and Genetic Differences Between Germ Cell Tumor at the Time of the Initial Diagnosis and at Late Relapse

NCT02679950
View directory record Official record
Conditions
Neoplasms, Germ Cell and Embryonal
Interventions
Next generation genome sequencing
Genetic
Lead sponsor
Nasser Hanna
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Oct 23, 2026, 6:10 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Food DNA Digestion

NCT06687226
View directory record Official record
Conditions
Digestion Rate
Interventions
Reconstitutable food powder
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting No phase listed Observational

Membrane Target Detection for Leukemia Treatment

NCT04841447
View directory record Official record
Conditions
Hematological Malignancy
Interventions
Study sample collection
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 23, 2026, 6:10 AM EDT
Not yet recruiting No phase listed Observational

Clinical Performance Study of Microbio InfectID-BSI for Detection of Bacteria and Yeast With Patient Blood Samples

NCT06531031
View directory record Official record
Conditions
Bloodstream Infection, Sepsis, Septic Shock
Interventions
InfectID-BSI (Bloodstream Infection) qPCR Assay
Diagnostic Test
Lead sponsor
Microbio Co Ltd
Industry
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
5
States / cities
Indianapolis, Indiana • Baltimore, Maryland • Albuquerque, New Mexico + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COMIDAS Comparing Original Mexican Diets and Standard US Diets

NCT01369173
View directory record Official record
Conditions
Healthy
Interventions
Mexican or American foods
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Human Skin and Gut Mycobiome and Bacteriome Comprehensive Registry

NCT05196061
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Questionnaire, Stool sample, Skin swab, Oral rinse
Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Brief Stresses Experimental Study

NCT03893617
View directory record Official record
Conditions
DNA Damage, Psychological Stress
Interventions
Propranolol, Placebo oral capsule, Acute stress task, No stress task
Drug · Behavioral
Lead sponsor
Dana Bovbjerg
Other
Eligibility
20 Years to 59 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Oct 23, 2026, 6:10 AM EDT
Terminated No phase listed Observational

Cell-Free DNA and RNA in Blood fromMetastatic Prostate Cancer Patients

NCT02853097
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Los Angeles, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

Detection of Mycoplasma Pneumoniae

NCT02511262
View directory record Official record
Conditions
Mycoplasma Pneumoniae
Interventions
illumigene® Mycoplasma Direct, illumipro-10
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
Not listed
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
3
States / cities
Pensacola, Florida • Kansas City, Missouri • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

Epidemiological Study to Monitor Study Participants With Resected Stage II (High Risk) or Stage III Colorectal Cancer for Circulating Tumor DNA Before, During and After Their Treatment With Adjuvant Chemotherapy

NCT04813627
View directory record Official record
Conditions
Colorectal Cancer Stage II, Colorectal Cancer Stage III
Interventions
Regular blood sample collection for ctDNA assessment
Procedure
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
2,079 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
17
States / cities
California City, California • Concord, California • Greenbrae, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying Genes, Environment, and Prostate Cancer Risk in Patients With or Without Prostate Cancer

NCT01013129
View directory record Official record
Conditions
Hereditary Prostate Cancer, Prostate Cancer
Interventions
DNA analysis, polymorphism analysis, laboratory biomarker analysis, medical chart review, questionnaire administration, evaluation of cancer risk factors, study of high risk factors
Genetic · Other · Procedure
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
21 Years to 120 Years · Male only
Enrollment
748 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

Catheter Biofilm Microbiome in Infected Neonatal Catheters.

NCT01985737
View directory record Official record
Conditions
Catheter-associated Bloodstream Infections (CLABSI)
Interventions
Sample collection
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Day to 3 Weeks
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2020 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Collection Sub-Study for CRC Screening in Individuals 45-49 at Average Risk for CRC.

NCT03741166
View directory record Official record
Conditions
Colo-rectal Cancer
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
45 Years to 49 Years
Enrollment
871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
37
States / cities
Phoenix, Arizona • Camarillo, California • Laguna Hills, California + 32 more
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting Phase 1 Interventional

Studying the Safety and Determining the Optimal Dose of Novobiocin in Patients With Tumors That Have Alterations in DNA Repair Genes

NCT05687110
View directory record Official record
Conditions
Metastatic Malignant Solid Neoplasm, Unresectable Malignant Solid Neoplasm
Interventions
Biopsy Procedure, Biospecimen Collection, Diagnostic Imaging Testing, Novobiocin Sodium
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
22
States / cities
Duarte, California • Irvine, California • La Jolla, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Disease Burden and Biology Using Tumor Cell Free DNA in Metastatic Kidney Cancer

NCT04883827
View directory record Official record
Conditions
Renal Cell Carcinoma
Interventions
Blood collection, Urine collection
Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
3
States / cities
Nashville, Tennessee • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

Development Of A Blood Test To Improve The Performance Of Breast Cancer Screening

NCT03372902
View directory record Official record
Conditions
Breast Cancer, Breast Benign
Interventions
Breast MRI, Breast Mammogram, Blood draw, Breast Biopsy, online participant reported questionnaire
Device · Other · Procedure + 1 more
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
7
States / cities
Hartford, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2025 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Germ Cell Tumor and Testicular Tumor DNA Registry

NCT02099734
View directory record Official record
Conditions
Germ Cell Tumor, Testicular Tumor
Interventions
Questionnaires, sample of blood or saliva
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2028
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Terminated Phase 2 Interventional

Effect of Oral Propranolol on mRNA Expresssion in Symptomatic Cavernous Malformation

NCT03474614
View directory record Official record
Conditions
Cerebral Cavernous Malformations
Interventions
Propranolol, DNA and RNA Analysis
Drug · Genetic
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 19, 2024 · Synced Oct 23, 2026, 6:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of a Diagnostic Device for NG, TV and CT in Women

NCT03852316
View directory record Official record
Conditions
Chlamydial Infection, Gonococcal Infection, Trichomoniasis
Interventions
Click Device
Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years to 99 Years · Female only
Enrollment
1,585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 23, 2026, 6:10 AM EDT
Active, not recruiting No phase listed Observational

Study of Radiation Exposure and Bilateral Breast Cancer

NCT00903591
View directory record Official record
Conditions
Breast Cancer
Interventions
questionaire, blood or saliva sample
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 54 Years · Female only
Enrollment
1,699 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2027
U.S. locations
4
States / cities
Stanford, California • Iowa City, Iowa • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes

NCT03923374
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Unspecified, Buprenorphine Dependence
Interventions
Subutex / Buprenorphine, Fetal & Neonatal MRI, DNA/Genetic/Pharmacokenetic Blood Draws
Drug · Diagnostic Test
Lead sponsor
Senthil Sadhasivam
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 23, 2026, 6:10 AM EDT
Recruiting No phase listed Observational

Leveraging Methylated DNA Markers (MDMs) in the Detection of Endometrial Cancer, Ovarian Cancer, and Cervical Cancer

NCT05051722
View directory record Official record
Conditions
Endometrial Cancer, Cervical Cancer, Atypical Endometrial Hyperplasia, Cervical Dysplasia, Adnexal Mass, Ovarian Cancer
Interventions
Vaginal Fluid Collection, Blood Collection
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
3,110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
25
States / cities
Phoenix, Arizona • Jacksonville, Florida • Miami, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 23, 2026, 6:10 AM EDT
Completed No phase listed Observational

AlloSure for the Monitoring of Antibody Mediated Processes After Kidney Transplantation

NCT04057742
View directory record Official record
Conditions
Kidney Transplant Failure and Rejection
Interventions
AlloSure ddcfDNA assay, AlloMap assay, Inflammatory Cytokines, Immune Cell Phenotypes
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Oct 23, 2026, 6:10 AM EDT