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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Observational: Urine Sample Collection Clear all
Recruiting No phase listed Observational

Biospecimen Collection to Identify Gene Mutations for High Risk Pancreatic Cancer in Pediatric Patients, INSPPIRE 2 Study

NCT06651580
View directory record Official record
Conditions
Chronic Pancreatitis, Exocrine Pancreas Carcinoma, Recurrent Acute Pancreatitis
Interventions
Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 17 Years
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
22
States / cities
Los Angeles, California • Oakland, California • Palo Alto, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

DNA Methylation in Adenocarcinoma of the Prostate: Analysis of Validated Biomarkers in Urine

NCT06347809
View directory record Official record
Conditions
Prostate Adenocarcinoma, Prostate Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Tumor-informed ctDNA in Muscle-invasive Bladder Cancer for Evaluation of Residual/Recurrent Disease - the TiMBER Trial

NCT07726602
View directory record Official record
Conditions
Muscle Invasive Bladder Urothelial Carcinoma, Stage II Bladder Cancer AJCC v8, Stage IIIA Bladder Cancer AJCC v8
Interventions
Non-Interventional Study
Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multiscale Omics for the Development of a Cohort Database and Study Platform in Breast Cancer Survivors

NCT04999826
View directory record Official record
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Prognostic Stage 0 Breast Cancer AJCC v8, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Interventions
Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Novel Molecular Approach to Blood DNA Screening for Cancer: Specificity Assessment (The NOMAD Study)

NCT06192875
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2035
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Project: Every Child for Younger Patients With Cancer

NCT02402244
View directory record Official record
Conditions
Adrenal Gland Pheochromocytoma, Carcinoma In Situ, Central Nervous System Neoplasm, Childhood Immature Teratoma, Childhood Kidney Neoplasm, Childhood Langerhans Cell Histiocytosis, Childhood Mature Teratoma, Congenital Mesoblastic Nephroma, Desmoid Fibromatosis, Ganglioneuroma, Lymphoproliferative Disorder, Malignant Neoplasm, Malignant Solid Neoplasm, Melanocytic Neoplasm, Myeloproliferative Neoplasm, Neoplasm of Uncertain Malignant Potential, Neuroendocrine Neoplasm, Stromal Neoplasm
Interventions
Cytology Specimen Collection Procedure, Medical Chart Review
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 25 Years
Enrollment
75,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2030
U.S. locations
246
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 177 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Recurrence Post-transplant Observational Study in Focal Segmental Glomerulosclerosis and Minimal Change Disease

NCT05650619
View directory record Official record
Conditions
Focal Segmental Glomerulosclerosis, Minimal Change Disease, FSGS, MCD
Interventions
Biospecimen collection, Data collection
Other
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Evaluation of Hypertension Management and Cardiovascular Adverse Event Prevention in Patients With B-cell Malignancies Undergoing Treatment With Bruton Tyrosine Kinase Inhibitors, the HALT Study

NCT06151730
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Hematopoietic and Lymphoid System Neoplasm, Mantle Cell Lymphoma, Marginal Zone Lymphoma, Waldenstrom Macroglobulinemia
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Targeted Early Detection Program in Men at High Genetic Risk for Prostate Cancer

NCT07645391
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
35 Years to 70 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Bladder Bank (a Prospective Banking Study)

NCT06109857
View directory record Official record
Conditions
Bladder Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting Phase 1Phase 2 Interventional

Consolidative Therapy After EV + Pembrolizumab in Muscle Invasive Bladder Cancer, REINFORCE Trial

NCT07579195
View directory record Official record
Conditions
Muscle Invasive Bladder Carcinoma, Stage III Bladder Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8
Interventions
Intensity-Modulated Radiation Therapy, Volume Modulated Arc Therapy, Radiosensitizing Agent, Radical Cystectomy, Pelvic Lymphadenectomy, Stereotactic Body Radiation Therapy, Computed Tomography, Positron Emission Tomography, Magnetic Resonance Imaging, Transurethral Resection of Bladder Tumor, Cystoscopy, Biospecimen Collection, Questionnaire Administration
Radiation · Drug · Procedure + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of Novel High Quality Methylated DNA Markers in Renal Tumors: Whole Methylome Discovery, Tissue Validation, and Feasibility Testing In Blood and Urine, The INQUIRE Study

NCT06339138
View directory record Official record
Conditions
Chromophobe Renal Cell Carcinoma, Clear Cell Papillary Renal Tumor, Clear Cell Renal Cell Carcinoma, Kidney Oncocytoma, Papillary Renal Cell Carcinoma, Urothelial Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
589 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Targeting Inflammation for Endometrial Cancer Prevention

NCT05407025
View directory record Official record
Conditions
Endometrial Carcinoma
Interventions
Biospecimen Collection, Questionnaire Administration
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
Scottsdale, Arizona • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 3, 2026, 4:19 PM EDT
Completed No phase listed Observational Results available

Pediatric Hydroxyurea Phase III Clinical Trial (BABY HUG) Follow-up Observational Study II Protocol

NCT01783990
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Hydroxyurea
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
24 Months to 18 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
14
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2020 · Synced Sep 3, 2026, 4:19 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Collection and Distribution of Biospecimens for Novel Research

NCT05080907
View directory record Official record
Conditions
Cancer, Healthy, Gastrointestinal Complication, Autoimmune Diseases, Infectious Disease, Women's Health: High-Risk Pregnancy, Dermatologic Disease, Blood Disease
Interventions
Observational
Other
Lead sponsor
iSpecimen Inc
Industry
Eligibility
1 Year to 99 Years
Enrollment
100,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
7
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Sep 3, 2026, 4:19 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 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

The APS Phenotyping Study

NCT06521502
View directory record Official record
Conditions
ARDS, Sepsis, Pneumonia
Interventions
Blood collection, Urine Collection, Nasal, oral, and rectal swabs, Stool collection, Heat Moisture Exchange Filter collection, Tracheal Aspirate sample collection, Non-bronchoscopic bronchoalveolar lavage (NBBAL), Surveys, Short physical performance battery, Hand grip strength, CNS Vital Signs, Muscle Ultrasound, Muscle Strength, Spirometry, Lung Diffusion Testing (DLCO), Chest CT Scan
Other · Procedure · Radiation
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
20
States / cities
Fresno, California • Palo Alto, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Observational Study of Exposure to Environmental Toxicants Among Firefighters

NCT05643014
View directory record Official record
Conditions
Healthy
Interventions
Sample collection
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Completed Not applicable Interventional

Active Surveillance Exercise Clinical Trial

NCT02435472
View directory record Official record
Conditions
Localized Prostate Cancer, Active Surveillance for Prostate Cancer
Interventions
Exercise, Cardiopulmonary Exercise Test (CPET)
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational

Longitudinal Advanced Prostate Cancer Cohort (LAPCC)

NCT06067295
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Active, not recruiting No phase listed Observational

Microbiome and Immunosuppression: The Mission Study

NCT04953715
View directory record Official record
Conditions
Kidney Transplant Rejection, Kidney Transplant
Interventions
collection of body microbiome
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2033
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Validation of DNA Methylation Markers for Universal and Site-specific Guided Cancer Detection, VANGUARD Study

NCT06304168
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6,150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 3, 2026, 4:19 PM EDT
Withdrawn No phase listed Observational

Diet, Physical Activity and Body Composition Changes During R-CHOP

NCT04293900
View directory record Official record
Conditions
Non-Hodgkin Lymphoma, DLBCL, Diffuse Large B Cell Lymphoma
Interventions
24-hour dietary recall, Hand grip strength, International Physical Activity Questionnaire, Patient-reported outcomes survey, Pittsburgh Sleep Quality Index, Functional Assessment of Cancer Treatment - Lymphoma, urine sample (optional), fecal sample (optional)
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Sep 3, 2026, 4:19 PM EDT
Completed No phase listed Observational

Gut Microbiota in Intestinal Barrier Damage in Acute Leukemia Patients Undergoing Inpatient Induction

NCT03316456
View directory record Official record
Conditions
Chemotherapy-Induced Gut Barrier Damage, Acute Leukemia
Interventions
Observational: Stool Sample Collection, Observational: Blood Sample Collection, Observational: Urine Sample Collection
Diagnostic Test
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 5, 2019 · Synced Sep 3, 2026, 4:19 PM EDT