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ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:49 PM EDT

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Showing 49–72 of 87 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Rectal Biopsy Clear all
Active, not recruiting Phase 3 Interventional

Nivolumab After Combined Modality Therapy in Treating Patients With High Risk Stage II-IIIB Anal Cancer

NCT03233711
View directory record Official record
Conditions
Anal Basaloid Carcinoma, Anal Canal Cloacogenic Carcinoma, Anal Margin Squamous Cell Carcinoma, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Computed Tomography, Digital Rectal Examination, High Resolution Anoscopy, Magnetic Resonance Imaging, Nivolumab, Patient Observation, Proctoscopy, Sigmoidoscopy, X-Ray Imaging
Procedure · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
887
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 568 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy in Combination With Brachytherapy for Clinically Localized, Intermediate Risk Prostate Cancer

NCT02280356
View directory record Official record
Conditions
Prostate Cancer
Interventions
external beam radiation therapy, brachytherapy, questionnaires
Radiation · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Oct 4, 2026, 2:49 PM EDT
Withdrawn No phase listed Observational

Hybrid Intelligence for Trustable Diagnosis and Patient Management of Prostate Cancer (HIT-PIRADS)

NCT06804785
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Compare Three Different Formulations of Tenofovir 1% Gel When Administered Rectally

NCT01575405
View directory record Official record
Conditions
HIV Prevention
Interventions
Rectal formulation (RF) of tenofovir 1% gel, Vaginal formulations (original VF and reduced vaginal glycerin formulation RGVF) of tenofovir 1% gel, Universal HEC Placebo Gel Formulation
Drug
Lead sponsor
Ian McGowan
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2013 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Phase 2 Interventional

Celecoxib, Fluorouracil, and Radiation Therapy in Treating Patients With Stage II or Stage III Rectal Cancer That Can Be Removed By Surgery

NCT00336960
View directory record Official record
Conditions
Colorectal Cancer
Interventions
celecoxib, fluorouracil, conventional surgery, radiation therapy, tumor biopsy, laboratory biomarker analysis
Drug · Procedure · Radiation + 1 more
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 5, 2013 · Synced Oct 4, 2026, 2:49 PM EDT
Not listed Not applicable Interventional

MR/TRUS Fusion Guided Prostate Biopsy - An Improved Way to Detect and Quantify Prostate Cancer

NCT04599218
View directory record Official record
Conditions
Prostate Disease, Elevated Prostate Specific Antigen, Family History of Prostate Cancer, Positive Digital Rectal Exam, Prostate Cancer
Interventions
Prostate Biopsy, MR US Fusion Guided Prostate Biopsy, MR/TRUS Fusion Guided Prostate Biopsy
Other · Device
Lead sponsor
Ardeshir Rastinehad
Other
Eligibility
18 Years and older · Male only
Enrollment
1,586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
3
States / cities
Lake Success, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2024 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Not applicable Interventional

Evaluation of Tumor Control Based on Serial Multiparametric MRI and Post-Treatment Biopsies For Patients Treated With Dose Intensification to the Dominant Intra-Prostatic Lesion (DIL) Using Ultra-Hypofractionated, MR-Guided Radiotherapy

NCT06542757
View directory record Official record
Conditions
Prostate Cancer
Interventions
1.5 T Elekta Unity MR-Linac system, Hydrogel rectal spacer (SpaceOAR)
Radiation · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Phase 1Phase 2 Interventional

Epacadostat (INCB024360) Added to Preoperative Chemoradiation in Patients With Locally Advanced Rectal Cancer

NCT03516708
View directory record Official record
Conditions
Rectal Cancer
Interventions
Epacadostat, Short-course radiation therapy, CAPOX chemotherapy, FOLFOX chemotherapy
Drug · Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
4
States / cities
Orange, California • Boston, Massachusetts • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Completed No phase listed Observational

Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention

NCT00399607
View directory record Official record
Conditions
Colorectal Adenomatous Polyps
Interventions
Rectal biopsy during colonoscopy, Rectal biopsy at randomization, Rectal biopsy at 1 year, Rectal biopsy prior to colonoscopy, Biopsies during colonoscopy
Procedure
Lead sponsor
Emory University
Other
Eligibility
45 Years to 75 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
9
States / cities
Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Not applicable Interventional Results available

Patient-Derived Organoids for Rectal Cancer

NCT04371198
View directory record Official record
Conditions
Rectum Cancer
Interventions
Biopsy
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 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 Aug 28, 2023 · Synced Oct 4, 2026, 2:49 PM EDT
Terminated No phase listed Observational

Stool Sample Collection Protocol for Development of Screening Test for Colorectal Cancer and Other Digestive Tract Cancers

NCT02503631
View directory record Official record
Conditions
Colorectal Neoplasms, Digestive System Diseases, Colonic Diseases, Colorectal Cancer
Interventions
Stool Sample Collection Kit
Device
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years to 90 Years
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
21
States / cities
Newport Beach, California • Hamden, Connecticut • Holiday, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Phase 1Phase 2 Interventional Results available

E7 TCR T Cells for Human Papillomavirus-Associated Cancers

NCT02858310
View directory record Official record
Conditions
Papillomavirus Infections, Cervical Intraepithelial Neoplasia, Carcinoma In Situ, Vulvar Neoplasms, Vulvar Diseases
Interventions
E7 TCR cells, Aldesleukin, Fludarabine, Cyclophosphamide, EKG, Biopsy, Chest CT and MRI or PET, PFT, Granisetron, Ondansetron, Droperidol, Prochlorperazine, Diphenoxylate HCL, Atropine sulfate, Codeine sulfate, Loperamide, Indomethacin, Acetaminophen, Diphenhydramine HCL, Hydroxyzine HCL, Meperidine
Biological · Drug · Diagnostic Test + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
2
States / cities
Bethesda, Maryland • New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Phase 2 Interventional Results available

Targeted Fusion Biopsy of the Prostate

NCT02744534
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
FACBC PET-CT Scan, Three-dimensional ultrasound-guided biopsy, Standard transrectal ultrasound (TRUS) guided biopsy
Drug · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Phase 2 Interventional

Magnetic Resonance (MR) Imaging With Hyperpolarized 13C-Pyruvate +/- 13C,15N-Urea in Patients With Prostate Cancer

NCT06391034
View directory record Official record
Conditions
Prostate Cancer
Interventions
hyperpolarized pyruvate +/-urea (13C/15N), Non-investigational External beam radiotherapy (EBRT), Radiotherapy (RT), Multi-parametric magnetic resonance imaging (mpMRI), Non-interventional hormone therapy, Prostate Biopsy
Drug · Radiation · Procedure + 1 more
Lead sponsor
Robert Bok, MD, PhD
Other
Eligibility
18 Years and older · Male only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

A Pilot Study for Toxicity Evaluation of HIV Rectal Microbicides

NCT00389311
View directory record Official record
Conditions
HIV Infections
Interventions
Normosol-R, Nonoxynol-9, Gastrointestinal instrumentation
Drug · Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 1, 2015 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Not applicable Interventional

Diagnostic Procedure for Identifying Patients With Metastatic Colorectal Cancer

NCT00003186
View directory record Official record
Conditions
Colorectal Cancer, Metastatic Cancer
Interventions
isosulfan blue, lymphangiography, sentinel lymph node biopsy
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2013 · Synced Oct 4, 2026, 2:49 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comparing the Reliability of Expressed Prostatic Secretion (EPS) and Post Massage Urine (PMU) for the Prediction of Prostate Cancer Biopsy Outcome

NCT01441687
View directory record Official record
Conditions
Conditions Influencing Health Status, Healthy, Prostate Cancer
Interventions
laboratory biomarker analysis, transrectal prostate biopsy
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2027
U.S. locations
5
States / cities
Arcadia, California • Duarte, California • Glendora, California + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Phase 2 Interventional

Pirtobrutinib and Mosunetuzumab for the Treatment of Relapsed/Refractory Grades 1-3A Follicular Lymphoma, PROMOTE-FL Trial

NCT06948786
View directory record Official record
Conditions
Grade 1 Follicular Lymphoma, Grade 2 Follicular Lymphoma, Grade 3a Follicular Lymphoma, Recurrent Follicular Lymphoma, Refractory Follicular Lymphoma
Interventions
Pirtobrutinib, Mosunetuzumab, Biospecimen Collection, Biopsy Procedure, Computed Tomography, Positron Emission Tomography, Bone Marrow Aspiration, Bone Marrow Biopsy, Questionnaire Administration
Drug · Biological · Procedure + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Testing the Addition of an Anti-Cancer Drug, Irinotecan, to the Standard Chemotherapy Treatment (FOLFOX) After Long-Course Radiation Therapy for Advanced-Stage Rectal Cancers to Improve the Rate of Complete Response and Long-Term Rates of Organ Preservation and Continuing Response

NCT05610163
View directory record Official record
Conditions
Stage II Rectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8, Locally Advanced Rectal Adenocarcinoma
Interventions
Capecitabine, 5-fluorouracil, Leucovorin calcium, Irinotecan, Oxaliplatin, Long Course Chemoradiotherapy, Computed Tomography, Magnetic Resonance Imaging, Sigmoidoscopy, biopsy
Drug · Radiation · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2037
U.S. locations
679
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 483 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Withdrawn No phase listed Observational

Circulating Tumor DNA to Monitor the Efficacy of Total Neoadjuvant Therapy for Rectal Cancer

NCT05356585
View directory record Official record
Conditions
Colorectal Cancer, Rectal Cancer
Interventions
SignateraTM assay
Genetic
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Oct 4, 2026, 2:49 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biological, Genetic, and Lifestyle Risk Factors for Developing Colorectal Adenomas or Polyps in Participants Undergoing Colonoscopy

NCT00625066
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
biologic sample preservation procedure, cytology specimen collection procedure, medical chart review, questionnaire administration, survey administration, biopsy, evaluation of cancer risk factors, screening colonoscopy
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 75 Years
Enrollment
8,108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 4, 2026, 2:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Circadian Misalignment on Colonic Barrier Homeostasis in Ulcerative Colitis

NCT05180279
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
7-day sleep lab
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Phase 2 Interventional

Zanidatamab Before Surgery for the Treatment of HER2 Positive Colon and Rectal Cancer in Patients Planned for Curative Intent Treatment

NCT07405476
View directory record Official record
Conditions
Colon Carcinoma, Colorectal Carcinoma, Rectal Carcinoma, 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
Interventions
Zanidatamab, Resection, Patient Observation, Echocardiography Test, Multigated Acquisition Scan, Endoscopic Procedure, Computed Tomography, Magnetic Resonance Imaging, Biospecimen Collection, Biopsy Procedure, Digital Rectal Examination, Electronic Health Record Review
Biological · Procedure · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
4
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 4, 2026, 2:49 PM EDT
Recruiting Not applicable Interventional

MRI-guided Transurethral Urethral Ultrasound Ablation for the Treatment of Low to Intermediate Grade Prostate Cancer

NCT05438563
View directory record Official record
Conditions
Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8
Interventions
MRI-Guided Transurethral Ultrasound Ablation, Questionnaire Administration, Digital Rectal Examination, Cystoscopy, Biopsy, Bone Scan, PSMA PET Scan, Multiparametric Magnetic Resonance Imaging
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
45 Years to 80 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 4, 2026, 2:49 PM EDT