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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sigmoidoscopy Clear all
Not listed Not applicable Interventional

Sentinel Lymph Node Mapping in Rectal Cancer

NCT02869152
View directory record Official record
Conditions
Rectal Neoplasms
Interventions
Endoscopic injection of 99mTc-sulfur colloid, Endoscopic injection of ICG, Endoscopic injection of Spot, Flexible sigmoidoscopy, Endoscopic NIR imaging and gamma probe, Dissection of sentinel lymph node(s)
Other · Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2016
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional

Trial of a Computer-Based Presentation of Quantitative Information About Colorectal Cancer Screening

NCT01415479
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Control, Quantitative, Default
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 75 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced Sep 2, 2026, 5:32 AM EDT
Recruiting No phase listed Observational

Detecting HPV DNA in Anal and Cervical Cancers

NCT04857528
View directory record Official record
Conditions
Cervical Cancer, Anal Cancer, HPV-Related Anal Squamous Cell Carcinoma, HPV-Related Cervical Carcinoma, HPV-Related Carcinoma, Uterine Cervical Cancer
Interventions
Radiation Treatment With or Without Chemotherapy, Blood Sample Collection, HPV Genotyping (HPV DNA Test), Testing Archival Tumor Tissue, Physical Exam, Positron Emission Tomography Scan (PET Scan)/ Computed Tomography Scan (CT Scan)
Radiation · Other · Diagnostic Test
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Not listed Phase 2 Interventional

Gut Microbiota Changes After Fecal Microbiota Transplantation

NCT02557685
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal Microbiota Transplantation
Biological
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 22, 2015 · Synced Sep 2, 2026, 5:32 AM EDT
Active, not recruiting Not applicable Interventional Results available

ASPirin Intervention for the REDuction of Colorectal Cancer Risk

NCT02394769
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Aspirin, Placebo for Aspirin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cecal Intubation Rates and Pain Levels Between Water Exchange and Air Insufflation Flexible Sigmoidoscopy

NCT03209349
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Water Exchange Sigmoidoscopy, Air Insufflation Sigmoidoscopy
Procedure
Lead sponsor
Kelowna Gastroenterology Associates
Other
Eligibility
50 Years to 74 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
North Hills, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Sep 2, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Microbiome-Mediated Gut Dysfunction in Non-Alcoholic Fatty Liver Disease

NCT05209100
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Sigmoidoscopy
Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
35 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Systems of Support (SOS) to Increase Colon Cancer Screening and Follow-up Supplement

NCT01052922
View directory record Official record
Conditions
Colorectal Cancer Screening
Interventions
3 sample g-SENSA, 2 sample InSure, 1 sample OC-Micron
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years to 74 Years
Enrollment
2,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 2, 2026, 5:32 AM EDT
Active, not recruiting Phase 2 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

NCT05610163
View directory record Official record
Conditions
Locally Advanced Rectal Carcinoma, Stage II Rectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8
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
783 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2033
U.S. locations
679
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 483 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 2, 2026, 5:32 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Increasing Colorectal Cancer Screening in African Americans

NCT00893295
View directory record Official record
Conditions
Colorectal Cancer
Interventions
informational intervention, medical chart review, screening questionnaire administration, study of socioeconomic and demographic variables, barium enema injection, colon imaging study, screening colonoscopy, sigmoidoscopy
Other · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
50 Years to 79 Years
Enrollment
896 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Early FMT for C.Difficile

NCT02465463
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Fecal microbiota transplant (FMT), flexible sigmoidoscopy
Procedure · Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 79 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Sep 2, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Correlates and Consequences of Increased Immune Activation in Injection Drug Users

NCT01831284
View directory record Official record
Conditions
Intravenous Drug Usage
Interventions
Sigmoidoscopy with biopsy
Procedure
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 55 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2014 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional

Plant Exosomes +/- Curcumin to Abrogate Symptoms of Inflammatory Bowel Disease

NCT04879810
View directory record Official record
Conditions
Irritable Bowel Disease
Interventions
Sigmoidoscopy and biopsy, blood work
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Sep 2, 2026, 5:32 AM EDT
Recruiting Not applicable Interventional

Testing the Effects of Exercise on Colorectal Cancer Development After Treatment With Pelvic Radiation Therapy for Prostate Cancer

NCT07790718
View directory record Official record
Conditions
Colon Polyp, Colorectal Carcinoma, Localized Prostate Carcinoma, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8
Interventions
Aerobic Exercise, Biopsy Procedure, Biospecimen Collection, Colonoscopy, Data Collection, Physical Performance Testing, Questionnaire Administration, Sigmoidoscopy, Survey Administration
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Active, not recruiting Not applicable Interventional

Abnormal Food Timing and Circadian Dyssynchrony in Alcohol Induced Colon Carcinogenesis

NCT03955510
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Right time eating, Delayed time eating, Sigmoidoscopy, Optional 24h circadian assessment in the Biological Rhythms lab, Alcohol
Other · Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Completed No phase listed Observational

Partial Wave Spectroscopic Detection of Colon Cancer Risk

NCT01095432
View directory record Official record
Conditions
Ulcerative Colitis, Colon Cancer
Interventions
PWS Testing
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced Sep 2, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Study of Male Rectal Samples in Preparation for Future Rectal Microbicide Trials

NCT00075062
View directory record Official record
Conditions
HIV Infections, HIV Seronegativity
Interventions
Flexible Sigmoidoscopy, Rectal Biopsy
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2008 · Synced Sep 2, 2026, 5:32 AM EDT
Active, not recruiting Not applicable Interventional

Microbiome and Rectal Cancer

NCT04223102
View directory record Official record
Conditions
Rectal Cancer, Locally Advanced Malignant Neoplasm
Interventions
Tissue collection
Procedure
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
3
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 2, 2026, 5:32 AM EDT
Recruiting No phase listed Observational

Collecting Blood and Stool Samples to Detect Colorectal Cancer or Advanced Neoplasia in Lynch Syndrome Patients

NCT05410977
View directory record Official record
Conditions
Colorectal Carcinoma, Lynch Syndrome
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
9
States / cities
Scottsdale, Arizona • San Francisco, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Coordinated Endoscopic Colorectal Cancer Screening

NCT00327457
View directory record Official record
Conditions
Preventive Health Services
Interventions
Help with physician office and patient management, Tailored physician recommendation letter
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 79 Years
Enrollment
599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2011 · Synced Sep 2, 2026, 5:32 AM EDT
Active, not recruiting Phase 2 Interventional

Testing Nivolumab and Ipilimumab With Short-Course Radiation in Locally Advanced Rectal Cancer

NCT04751370
View directory record Official record
Conditions
Locally Advanced Rectal Adenocarcinoma, Stage II Rectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8
Interventions
Computed Tomography, Ipilimumab, Magnetic Resonance Imaging, Nivolumab, Radiation Therapy, Sigmoidoscopy, Total Mesorectal Excision
Procedure · Biological · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
213
States / cities
Mobile, Alabama • Anchorage, Alaska • Phoenix, Arizona + 145 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 2, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders

NCT03266068
View directory record Official record
Conditions
Campylobacter Infections, Irritable Bowel Syndrome
Interventions
DNA Analysis of Blood Sample, Flexible sigmoidoscopy with colonic biopsies, Small bowel and colonic gastrointestinal permeability, Stool sample analysis
Genetic · Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Strategies to Present Colon Cancer Screening Information

NCT02485561
View directory record Official record
Conditions
Colonic Neoplasms, Colorectal Neoplasms, Colonic Diseases, Gastrointestinal Neoplasms
Interventions
Health communication intervention, Education information
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 75 Years
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Sep 2, 2026, 5:32 AM EDT
Completed Phase 2 Interventional Results available

FMT in Ulcerative Colitis-Associated Pouchitis

NCT02049502
View directory record Official record
Conditions
Ulcerative Colitis Associated Pouchitis
Interventions
biologically active human fecal microbiota, sigmoidoscopy
Biological · Procedure
Lead sponsor
Virginia O. Shaffer
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 2, 2026, 5:32 AM EDT