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Showing 1–24 of 93 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Blood or Saliva Sample Collection Clear all
Completed No phase listed Observational

Collection of Saliva and/ or Peripheral Blood From Healthy Volunteers for Research

NCT01851382
View directory record Official record
Conditions
Graft vs Host Disease, Healthy Volunteer, Graft-Versus-Host Disease
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Sep 17, 2026, 6:23 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Proteomics of Brain Trauma-associated Elevated Intracranial Pressure (ICP)

NCT00178659
View directory record Official record
Conditions
Brain Injuries, Traumatic, Traumatic Brain Injury
Interventions
Blood/saliva samples for protein/molecular analysis
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
14 Years to 65 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Natural History Study for DNA Repair Disorders

NCT05484570
View directory record Official record
Conditions
DNA Repair Disorder, Cockayne Syndrome, Xeroderma Pigmentosum, Trichothiodystrophy
Interventions
Interval History, Physical Examination, ECAB Assessment, Gait Assessment, Specimen Sample Collection
Other
Lead sponsor
University of Minnesota
Other
Eligibility
6 Months and older
Enrollment
40 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Clinical Microbial Species & Antibiotic Resistance ID in ED Patients Presenting With Infection - is Rapid ID Possible & Accurate?

NCT01904188
View directory record Official record
Conditions
Sepsis, Systemic Inflammatory Response Syndrome, Infection Mixed, Infection, Bacterial, Infection, Fungal, Infection, Coronavirus, Antibiotic Resistance Genes, Human Genome Analysis
Interventions
Gene Z or other rapid diagnostic techniques developed in our lab (as of 2018 not using Gene Z - now using In-Dx along with other developed techniquesregularly)
Device
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2032
U.S. locations
2
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Withdrawn No phase listed Observational

Castleman Disease Collaborative Network Biobank

NCT02871050
View directory record Official record
Conditions
Castleman Disease, Castleman's Disease, Giant Lymph Node Hyperplasia, Angiofollicular Lymph Hyperplasia, Angiofollicular Lymph Node Hyperplasia, Angiofollicular Lymphoid Hyperplasia, GLNH, Hyperplasia, Giant Lymph Node
Interventions
Sample Collection
Other
Lead sponsor
Castleman Disease Collaborative Network
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Integrating Molecular Pathology, Radiology, and Genetics to Improve Breast Cancer Risk

NCT07207564
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
4,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Completed No phase listed Observational

Performance Evaluation of LumiraDx COVID-19 (SARS-CoV-2) Ag Test

NCT04557046
View directory record Official record
Conditions
Covid19
Interventions
Nasal Swab, Nasopharyngeal swab, Throat swab, Fingerstick, Saliva specimen
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
Not listed
Enrollment
1,134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Altamonte Springs, Florida • Kissimmee, Florida • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Completed Not applicable Interventional

Ohio Colorectal Cancer Prevention Initiative

NCT01850654
View directory record Official record
Conditions
Lynch Syndrome, Colorectal Cancer
Interventions
LS tumor screening, Genetic testing, Genetic Counseling, Biorepository, Questionnaire
Genetic · Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3,470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
49
States / cities
Akron, Ohio • Barberton, Ohio • Batavia, Ohio + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2018 · Synced Sep 17, 2026, 6:23 PM EDT
Not listed No phase listed Observational

Profile Related Evidence to Determine Individualized Cancer Therapy (PREDICT) Program in Advanced Cancer Patients

NCT02160366
View directory record Official record
Conditions
Advanced Cancers
Interventions
Biomarker Research
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 17, 2026, 6:23 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Drug Discovery for Parkinson's With Mutations in the GBA Gene

NCT05536388
View directory record Official record
Conditions
Parkinson Disease, Gaucher Disease, Healthy, GBA Gene Mutation
Interventions
Biological Sample Collection
Other
Lead sponsor
New York Stem Cell Foundation Research Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2025 · Synced Sep 17, 2026, 6:23 PM EDT
Terminated No phase listed Observational

An Exploratory Study of Genetic and Clinical Factors for Serious Skin Reactions Among Users of Eslicarbazepine Acetate

NCT02520557
View directory record Official record
Conditions
SCAR
Interventions
Blood or Saliva
Other
Lead sponsor
Sumitomo Pharma America, Inc.
Industry
Eligibility
Not listed
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 17, 2026, 6:23 PM EDT
Active, not recruiting No phase listed Observational

Genetic Overlap Between Anomalies and Cancer in Kids in the Children's Oncology Group: The COG GOBACK Study

NCT05071859
View directory record Official record
Conditions
Congenital Anomaly, Pediatric Cancer
Interventions
Whole Genome Sequencing, Questionnaire Administration, Biospecimen collection, Laboratory Biomarker Analysis
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
0 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Enrolling by invitation No phase listed Observational

Genetic Susceptibility to Periprosthetic Joint Infections

NCT05159739
View directory record Official record
Conditions
Total Joint Arthroplasty, Periprosthetic Joint Infections
Interventions
Blood Draw or Saliva/Cheek Cell Sample:
Genetic
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Timeline
2018 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Active, not recruiting Not applicable Interventional

Comparison of Nasopharyngeal Swab v. Nasopharyngeal Saline Wash or Saliva Collection in Testing for Respiratory Viruses

NCT05864118
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
Respiratory pathogen panel PCR test, COVID-19 antibody test
Diagnostic Test
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Collection of CSF Samples From Participants With Metastatic Triple Negative Breast Cancer (TNBC) and HER2+ Breast Cancer With no Prior History Nor Active Radiographically Detectable Brain Metastases

NCT07619534
View directory record Official record
Conditions
Breast Cancer, Breast Carcinoma, Cancer of the Breast, Malignant Neoplasm of Breast
Interventions
Arm 1
Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Genetics of Insulin and Incretins in Cystic Fibrosis

NCT01852448
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Blood or Saliva Sample Collection
Genetic
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Natural History Study of Patients With Succinic Semialdehyde Dehydrogenase (SSADH) Deficiency

NCT03758521
View directory record Official record
Conditions
Succinic Semialdehyde Dehydrogenase Deficiency
Interventions
Transcranial magnetic stimulation (TMS), Magnetic resonance imaging (MRI), Electroencephalogram (EEG), Bio-specimen Collection
Device · Procedure
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational

Prospective Evaluation of Chronic Pancreatitis for Epidemiologic and Translational Studies

NCT03099850
View directory record Official record
Conditions
Pancreatitis
Interventions
Data Management and Monitoring
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2,345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Prospective Screening for Pancreatic Ductal Adenocarcinoma in High-Risk Individuals

NCT06122896
View directory record Official record
Conditions
Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, PDAC, PDAC - Pancreatic Ductal Adenocarcinoma, Pancreatic Neoplasm
Interventions
Screening Blood Tests, Endoscopic Ultrasound, Magnetic Resonance Imaging, Magnetic Resonance Cholangiopancreatography
Other · Diagnostic Test · Combination Product
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2041
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Blood, Bone Marrow, Skin, Saliva, and Stool Samples From Healthy Volunteers Used for Comparative Analysis of Myeloid Malignancies

NCT05588154
View directory record Official record
Conditions
Myelodysplastic Syndromes
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2052
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Completed No phase listed Observational

Feasibility of Saliva and Remote Monitoring of Active Cytomegalovirus (CMV) Infection and Symptoms During Ovarian Cancer Treatment

NCT06870539
View directory record Official record
Conditions
Cancer-related Cognitive Dysfunction, Cytomegaloviral Infection, Fallopian Tube Carcinoma, Ovarian Carcinoma, Primary Peritoneal Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 17, 2026, 6:23 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study

NCT04306939
View directory record Official record
Conditions
Chronic Pancreatitis, Inflammatory Bowel Diseases, Hepatitis, NASH - Nonalcoholic Steatohepatitis, Acute Pancreatitis, Rheumatoid Arthritis, Diabetes Mellitus, Dyslipidemias, Multiple Sclerosis, Irritable Bowel Syndrome, Chronic Pain, Chronic Disease, Chronic Kidney Diseases, Crohn Disease, Celiac Disease, Biliary Cirrhosis, Bile Acid Synthesis Defect, Gastritis, Cholecystitis, Cholelithiases, IPMN, Cyst Pancreas, Cystic Fibrosis, Pancreatic Exocrine Insufficiency, Diarrhea Chronic, Constipation - Functional, Constipation Chronic Idiopathic
Interventions
venipuncture, Questionnaires, Additional Sample Collections
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
120,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Completed No phase listed Observational

Risk Factors and Biomarkers for Diagnosis and Treatment of EoE

NCT01988285
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Specimen Collection, Questionnaires
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 17, 2026, 6:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Polymerase Chain Reaction (PCR) Analysis of Nasal Polyps for Fungal DNA

NCT00739921
View directory record Official record
Conditions
Sinusitis, Nasal Polyps
Interventions
Nasal swab under endoscopic guidance
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 17, 2026, 6:23 PM EDT