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ClinicalTrials.gov public records Last synced Oct 23, 2026, 2:12 AM EDT

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Showing 25–48 of 764 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bio-specimen samples Clear all
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Mayo Clinic IBD Biobank

NCT03756649
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Blood Draw, Urine Collection, Stool Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2065
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

The Prevalence of Oral HPV Infection and Oral Lesions in People Living With HIV

NCT06205511
View directory record Official record
Conditions
Human Immunodeficiency Virus, Human Papilloma Virus
Interventions
Oral HPV Sample
Diagnostic Test
Lead sponsor
Vivent Health
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Denver, Colorado • St Louis, Missouri • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Recruiting Phase 2 Interventional

Placebo-Controlled Trial of Urolithin A Supplementation in Men With Prostate Cancer Undergoing Radical Prostatectomy, URO-PRO Trial

NCT06022822
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Placebo Administration, Urolithin A Supplement
Procedure · Drug · Dietary Supplement
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Los Angeles, California • Chicago, Illinois • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

Alinity m HR HPV Specimen Collection Study From Women Undergoing Routine Cervical Cancer Screening

NCT04746872
View directory record Official record
Conditions
Human Papillomavirus
Interventions
Alinity m HR HPV
Diagnostic Test
Lead sponsor
Abbott Molecular
Industry
Eligibility
25 Years and older · Female only
Enrollment
14,935 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
63
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 23, 2026, 2:12 AM EDT
Active, not recruiting Not applicable Interventional

DNA Sequencing in Clinical Practice, Mayo Clinic Health Tapestry Study

NCT05212428
View directory record Official record
Conditions
Genetic Disorder
Interventions
Biospecimen Collection, Diagnostic Laboratory Biomarker Analysis, Genetic Counseling, Questionnaire Administration
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
110,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed Phase 1 Interventional

Long-term Follow-up of Participants From Studies Evaluating GSK HIV Vaccine

NCT01092611
View directory record Official record
Conditions
AIDS
Interventions
Blood collection, GSK HIV vaccine 732462
Procedure · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
11
States / cities
Bakersfield, California • Fort Lauderdale, Florida • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2018 · Synced Oct 23, 2026, 2:12 AM EDT
Recruiting No phase listed Observational

The Use of Residual De-identified Specimens and/or Samples From Patients for Clinical Research

NCT06222164
View directory record Official record
Conditions
Hematologic Diseases
Interventions
Not listed
Lead sponsor
Invivoscribe, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 23, 2026, 2:12 AM EDT
Completed Not applicable Interventional

Endoscopic Retrograde Cholangiopancreatography (ERCP) Based Sampling of Indeterminate Bile Duct Strictures

NCT01580709
View directory record Official record
Conditions
Indeterminate Bile Duct Stricture
Interventions
Multiple brushings, Multimodality tissue sampling
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Indianapolis, Indiana • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Oct 23, 2026, 2:12 AM EDT
Completed Not applicable Interventional

Optimizing Dosing of Colistin for Infections Resistant to All Other Antibiotics, Approved NIH Protocol Dated 12.06.07(DMID Protocol #07-0036)

NCT00235690
View directory record Official record
Conditions
Bacteremia, Pseudomonas Infections
Interventions
Blood draws, Blood draw
Procedure · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Oct 23, 2026, 2:12 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Reduced-Intensity Conditioning Regimen (Cyclophosphamide, Pentostatin, Anti-thymocyte Globulin) Followed by Haploidentical Hematopoietic Stem Cell Transplant for the Treatment of Patients With Refractory or Recurrent Severe Aplastic Anemia

NCT05757310
View directory record Official record
Conditions
Recurrent Severe Aplastic Anemia, Refractory Severe Aplastic Anemia
Interventions
Anti-Thymocyte Globulin, Biospecimen Collection, Bone Marrow Aspirate, Bone Marrow Biopsy, Cyclophosphamide, Haploidentical Hematopoietic Cell Transplantation, Pentostatin, Questionnaire Administration
Biological · Procedure · Drug + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Up to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

Pilot Study of the Effect of Weight Loss on Breast Tissue and Blood Biomarkers in Women at Increased Risk for Breast Cancer

NCT02681120
View directory record Official record
Conditions
Breast Neoplasms, Obesity
Interventions
Biopsy, Blood draw, Mammogram, MRI
Procedure
Lead sponsor
Tarah J Ballinger, MD
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Carmel, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Oct 23, 2026, 2:12 AM EDT
Recruiting Phase 2 Interventional

Relugolix and Enzalutamide in Combination With Radiation Therapy for the Treatment of Very High Risk Prostate Cancer, OPTIMAL Trial

NCT06499870
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Enzalutamide, Fluorine F 18 Piflufolastat, Image Guided Radiation Therapy, Magnetic Resonance Imaging, Positron Emission Tomography, Questionnaire Administration, Relugolix
Procedure · Drug · Other + 1 more
Lead sponsor
Sean Sachdev
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Active, not recruiting No phase listed Observational

An Observational Research Study for Cancer Patients on Immune Checkpoint Inhibitors, DiRECT Study

NCT05364086
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Electronic Health Record Review, Interview, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Rochester NCORP Research Base
Other
Eligibility
18 Years and older
Enrollment
2,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
259
States / cities
Jonesboro, Arkansas • Anaheim, California • Antioch, California + 203 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Suspended Phase 1 Interventional

Testing the Combination of an Anti-Cancer Drug, Iadademstat, With Other Anti-Cancer Drugs (Venetoclax and Azacitidine) for Treating AML

NCT06514261
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
Azacitidine, Biospecimen Collection, Bone Marrow Aspiration, Buccal Swab, Iadademstat, Venetoclax
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
4
States / cities
Irvine, California • Orange, California • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Comparing the Addition of an Anti-Cancer Drug, Pomalidomide, to the Usual Chemotherapy Treatment (Daunorubicin and Cytarabine Liposome) in Newly Diagnosed Acute Myeloid Leukemia With Myelodysplastic Syndrome-Related Changes

NCT04802161
View directory record Official record
Conditions
Acute Myeloid Leukemia, Acute Myeloid Leukemia Post Cytotoxic Therapy, Acute Myeloid Leukemia With Multilineage Dysplasia, Chronic Myelomonocytic Leukemia, Myelodysplastic Syndrome, Myeloproliferative Neoplasm
Interventions
Biospecimen Collection, Bone Marrow Aspiration and Biopsy, Liposome-encapsulated Daunorubicin-Cytarabine, Pomalidomide
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
11
States / cities
Atlanta, Georgia • Kansas City, Kansas • Westwood, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Testing Cabozantinib, Crizotinib, Savolitinib and Sunitinib in Kidney Cancer Which Has Progressed

NCT02761057
View directory record Official record
Conditions
Locally Advanced Papillary Renal Cell Carcinoma, Metastatic Papillary Renal Cell Carcinoma, Stage III Renal Cell Cancer AJCC v7, Stage IV Renal Cell Cancer AJCC v7, Type 1 Papillary Renal Cell Carcinoma, Type 2 Papillary Renal Cell Carcinoma, Unresectable Renal Cell Carcinoma
Interventions
Biospecimen Collection, Bone Scan, Cabozantinib S-malate, Computed Tomography, Crizotinib, Savolitinib, Sunitinib Malate
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
586
States / cities
Anchorage, Alaska • Kingman, Arizona • Fort Smith, Arkansas + 361 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

Effects of Chemotherapy on Intestinal Bacteria in Patients With Newly Diagnosed Breast Cancer

NCT02370277
View directory record Official record
Conditions
Ductal Breast Carcinoma In Situ, Invasive Breast Carcinoma, Stage I Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

Perioperative Tissue Penetration of Antimicrobials in Infants

NCT04299867
View directory record Official record
Conditions
Bowel Dysfunction
Interventions
Bowel Surgery with Metronidazole
Procedure
Lead sponsor
Duke University
Other
Eligibility
0 Years to 2 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational

Pharmacokinetic Profiling of Pembrolizumab and Nivolumab in Patients With Melanoma and/or Non-Small Cell Lung Cancer

NCT05740501
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma, Melanoma
Interventions
Biospecimen Collection, Electronic Health Record Review, Questionnaire Administration
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2023 · Synced Oct 23, 2026, 2:12 AM EDT
Active, not recruiting Phase 3 Interventional

Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to the Usual Radiation Treatment for Newly Diagnosed Early Stage High Intermediate Risk Endometrial Cancer

NCT04214067
View directory record Official record
Conditions
Endometrial Endometrioid Adenocarcinoma, Stage I Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8, Stage II Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8
Interventions
Biospecimen Collection, Brachytherapy, Computed Tomography, External Beam Radiation Therapy, Magnetic Resonance Imaging, Pembrolizumab, Quality-of-Life Assessment, Questionnaire Administration, X-Ray Imaging
Procedure · Radiation · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
275
States / cities
Birmingham, Alabama • Clovis, California • Concord, California + 195 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of Intestinal Inflammation in the Pathogenesis of Type 1 Diabetes

NCT01940835
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Upper endoscopy with small bowel biopsies and brushings., Blood draw, Stool sample
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Oct 23, 2026, 2:12 AM EDT
Suspended Phase 2Phase 3 Interventional

Testing Docetaxel-Cetuximab or the Addition of an Immunotherapy Drug, Atezolizumab, to the Usual Chemotherapy and Radiation Therapy in High-Risk Head and Neck Cancer

NCT01810913
View directory record Official record
Conditions
Oropharyngeal p16INK4a-Negative Squamous Cell Carcinoma, Stage III Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage III Laryngeal Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IV Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IV Oropharyngeal Squamous Cell Carcinoma AJCC v7
Interventions
Atezolizumab, Biopsy Procedure, Biospecimen Collection, Cetuximab, Cisplatin, Computed Tomography, Docetaxel, Intensity-Modulated Radiation Therapy, Magnetic Resonance Imaging, Survey Administration
Drug · Procedure · Biological + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
338
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 266 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 23, 2026, 2:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.

NCT06449287
View directory record Official record
Conditions
Ketogenic Diet, Weight Loss
Interventions
Diet, Blood Draw, Ketone/Glucose Monitoring, Body Composition, Urine Analysis, Neuropsychological Measures - ANAM
Other · Biological · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 23, 2026, 2:12 AM EDT
Not listed No phase listed Observational

Breast Cancer Liquid Biopsy Trial

NCT04962529
View directory record Official record
Conditions
Breast Cancer, Cancer
Interventions
Blood Draw
Procedure
Lead sponsor
Anthony Magliocco
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
7
States / cities
Hollywood, Florida • Ocala, Florida • Orlando, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Oct 23, 2026, 2:12 AM EDT