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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Resection of Rectum Clear all
Active, not recruiting Not applicable Interventional

PARADIGM - En Bloc Trial With the EndoQuest Endoluminal Surgical (ELS) System

NCT06133387
View directory record Official record
Conditions
Colorectal Lesion, Colorectal Adenoma, Colorectal Polyp, Rectal Lesion, Rectal Adenoma, Rectal Polyp, Sigmoid; Lesion, Sigmoid Colon Polyp
Interventions
Endoscopic submucosal dissection using the ELS System
Device
Lead sponsor
EndoQuest Robotics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Scottsdale, Arizona • Orlando, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 2 Interventional Results available

Neo-adjuvant Chemoradiation With Oxaliplatin/5-FU in Rectal Cancer

NCT00831181
View directory record Official record
Conditions
Colorectal Cancer
Interventions
5-FU, Oxaliplatin, leucovorin, mesorectal excision
Drug · Procedure
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 5, 2026, 1:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Clinical Performance of Novice Trainee Endoscopists Using Conventional Air Insufflation Versus Warm Water Infusion Colonoscopy

NCT01482546
View directory record Official record
Conditions
Colonoscopy Education
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Sep 5, 2026, 1:15 PM EDT
Recruiting Phase 1 Interventional

Adaptive Radiation Boost for Rectal Cancer

NCT07221058
View directory record Official record
Conditions
Rectum Cancer, Adenocarcinoma
Interventions
Adaptive Radiotherapy Boost
Radiation
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Phase 3 Interventional Results available

Combination Chemotherapy Before or After Surgery in Treating Patients With Colorectal Cancer With Liver Metastases That Could Be Removed By Surgery

NCT01189227
View directory record Official record
Conditions
Colorectal Cancer, Metastatic Cancer
Interventions
Postoperative chemotherapy, Perioperative chemotherapy
Procedure
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
283
States / cities
Antioch, California • Duarte, California • Fremont, California + 210 more
Source: ClinicalTrials.gov public record
Updated May 9, 2013 · Synced Sep 5, 2026, 1:15 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 4, 2013 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 2 Interventional Results available

Capecitabine, Oxaliplatin, and Radiation Therapy in Treating Patients Who Are Undergoing Surgery for Stage I Rectal Cancer

NCT00114231
View directory record Official record
Conditions
Colorectal Cancer
Interventions
capecitabine, oxaliplatin, neoadjuvant therapy, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
67
States / cities
Scottsdale, Arizona • Concord, California • Duarte, California + 46 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 4 Interventional Results available

Study of Stapled Transanal Rectal Resection (STARR) Surgery in Refractory Constipation Associated With Obstructive Defecation Syndrome (ODS)

NCT00256984
View directory record Official record
Conditions
Obstructive Defecation Syndrome, Chronic Constipation, Rectocele, Intussusception
Interventions
Stapled Transanal Resection (STARR) with Transtar (PROXIMATE®) 33 mm Circular Stapler
Procedure
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
21 Years to 80 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
7
States / cities
Orlando, Florida • Burlington, Massachusetts • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2018 · Synced Sep 5, 2026, 1:15 PM EDT
Recruiting Not applicable Interventional

Stanford Program to Accelerate Robotic Children's Surgery

NCT06671639
View directory record Official record
Conditions
Sleeve Gastrectomy, Cholecystectomy, Splenectomy, Hysterectomy, Endometriosis, Ureteral Re-implant, Cervical and Thoracic Tracheoplasty, Thymectomy, Lobectomy/Wedge Lung Resection, Lung Segmentectomy, Bronchoplasty, Endoscopic Laryngeal/Pharyngeal Suturing, Vocal Feminization, Laryngeal Cleft Repair, Endolaryngeal Adjacent Tissue Transfer, Pharyngoplasty, Ileocolonic Resections, Laryngoplasty, Proctectomy With Ileal Pouch-Anal Anastomosis
Interventions
da Vinci Xi Robotic Surgery System
Device
Lead sponsor
Stanford University
Other
Eligibility
6 Years to 21 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 5, 2026, 1:15 PM EDT
Completed No phase listed Observational

Dynamic MRI Evaluation Post Operative Stapled Trans Anal Rectal Resection (STARR) Procedure

NCT00655382
View directory record Official record
Conditions
Obstructive Defecation Syndrome, Outlet Obstruction
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 20, 2010 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 3 Interventional

Combination Chemotherapy in Treating Patients With Liver Metastases From Colorectal Cancer

NCT00002716
View directory record Official record
Conditions
Colorectal Cancer, Metastatic Cancer
Interventions
dexamethasone, floxuridine, fluorouracil, leucovorin calcium, laparotomy, conventional surgery
Drug · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
11
States / cities
Cedar Rapids, Iowa • Des Moines, Iowa • Papillion, Nebraska + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Sep 5, 2026, 1:15 PM EDT
Active, not recruiting No phase listed Observational

Transanal Total Mesorectal Excision for Rectal Cancer on Anal Physiology + Fecal Incontinence

NCT03283540
View directory record Official record
Conditions
Rectal Cancer
Interventions
TaTME, TME
Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 5, 2026, 1:15 PM EDT
Completed No phase listed Observational

Genetic Study of Young Patients With Colorectal Cancer

NCT00044967
View directory record Official record
Conditions
Colorectal Cancer
Interventions
microsatellite instability analysis
Genetic
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years to 49 Years
Enrollment
651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
71
States / cities
Mobile, Alabama • Colton, California • Duarte, California + 52 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2016 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Not applicable Interventional Results available

Bioabsorbable Staple Line Reinforcement in Colorectal,Coloanal and Ileoanal Anastomoses

NCT00663819
View directory record Official record
Conditions
Rectal Cancer, Ulcerative Colitis, Familial Adenomatous Polyposis, Diverticulitis
Interventions
GORE SEAMGUARD® Bioabsorbable Staple Line Reinforcement, Staple line without reinforcement
Device · Procedure
Lead sponsor
W.L.Gore & Associates
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
16
States / cities
Mobile, Alabama • Los Angeles, California • Weston, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional Results available

Evaluation of the Gastrointestinal Manifestation of Fabry's Disease

NCT02798458
View directory record Official record
Conditions
Fabry's Disease
Interventions
Smartpill, Endoscopic Mucosal Resection
Device · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 1 Interventional

Phase I Study of Neoadjuvant Radiotherapy With 5-Fluorouracil for Rectal Cancer

NCT02270606
View directory record Official record
Conditions
Mucinous Adenocarcinoma of the Rectum, Recurrent Rectal Cancer, Signet Ring Adenocarcinoma of the Rectum, Rectal Adenocarcinoma, Stage IIA Rectal Cancer, Stage IIB Rectal Cancer, Stage IIC Rectal Cancer, Stage IIIA Rectal Cancer, Stage IIIB Rectal Cancer, Stage IIIC Rectal Cancer
Interventions
intensity-modulated radiation therapy, fluorouracil, oxaliplatin, leucovorin calcium, therapeutic conventional surgery
Radiation · Drug · Procedure
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 2 Interventional

Surgery With or Without Chemotherapy and Radiation Therapy in TreatingPatients With Stage I Rectal Cancer

NCT00023751
View directory record Official record
Conditions
Colorectal Cancer
Interventions
fluorouracil, leucovorin calcium, conventional surgery, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
178
States / cities
Anniston, Alabama • Mobile, Alabama • Phoenix, Arizona + 114 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2016 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Not applicable Interventional

Neoadjuvant Cetuximab, Fluorouracil, and Pelvic Irradiation in Treating Patients With Locally Advanced or Locally Recurrent Rectal Cancer

NCT00084773
View directory record Official record
Conditions
Colorectal Cancer
Interventions
cetuximab, fluorouracil, neoadjuvant therapy, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 120 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 21, 2015 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Phase 2 Interventional Results available

Sacral Nerve Stimulation in Treating Low Anterior Resection Syndrome or Fecal Incontinence in Patients With Locally Advanced Rectal Cancer or Other Pelvic Cancer, the RESTORE Study

NCT04066894
View directory record Official record
Conditions
Low Anterior Resection Syndrome, Malignant Anal Neoplasm, Malignant Bladder Neoplasm, Malignant Cervical Neoplasm, Malignant Ovarian Neoplasm, Malignant Pelvic Neoplasm, Malignant Prostate Neoplasm, Malignant Uterine Neoplasm, Malignant Vaginal Neoplasm, Malignant Vulvar Neoplasm, Rectal Carcinoma
Interventions
Explantation, Quality-of-Life Assessment, Questionnaire Administration, Sacral Nerve Stimulator, Sacral Nerve Stimulator Battery, Therapeutic Conventional Surgery
Procedure · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Houston, Texas • Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 5, 2026, 1:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessing Infectious Risk and Visceral Closure in Natural Orifice Translumenal Endoscopic Surgery (NOTES)

NCT01102725
View directory record Official record
Conditions
Colonic Diseases, Rectal Diseases
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2014 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 1 Interventional

Adjuvant Hepatic Arterial Infusion and Combination Chemotherapy in Treating Patients With Resectable Hepatic Metastases From Colorectal Cancer

NCT00059930
View directory record Official record
Conditions
Colorectal Cancer, Metastatic Cancer
Interventions
FOLFOX regimen, dexamethasone, floxuridine, fluorouracil, leucovorin calcium, oxaliplatin, adjuvant therapy, conventional surgery
Drug · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2025
U.S. locations
2
States / cities
New Brunswick, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 5, 2026, 1:15 PM EDT
Terminated Phase 1 Interventional Results available

Talimogene Laherparepvec, Chemotherapy, and Radiation Therapy Before Surgery in Treating Patients With Locally Advanced or Metastatic Rectal Cancer

NCT03300544
View directory record Official record
Conditions
Locally Advanced Rectal Adenocarcinoma, Metastatic Rectal Adenocarcinoma, Rectal Adenocarcinoma, Stage III Rectal Cancer AJCC v7, Stage IIIA Rectal Cancer AJCC v7, Stage IIIB Rectal Cancer AJCC v7, Stage IIIC Rectal Cancer AJCC v7, Stage IV Rectal Cancer AJCC v7, Stage IVA Rectal Cancer AJCC v7, Stage IVB Rectal Cancer AJCC v7
Interventions
Capecitabine, Fluorouracil, Leucovorin, Oxaliplatin, Radiation Therapy, Talimogene Laherparepvec
Drug · Radiation · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Sep 5, 2026, 1:15 PM EDT
Withdrawn Phase 2 Interventional

Transdermal Continuous Oxygen Therapy for Infection Prophylaxis in High- Risk Patients Undergoing Colon Surgery

NCT02617706
View directory record Official record
Conditions
Anorectal Surgeries
Interventions
Epiflo
Device
Lead sponsor
Neogenix, LLC dba Ogenix
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Sep 5, 2026, 1:15 PM EDT
Completed Phase 1 Interventional

Capecitabine and Lenvatinib With External Radiation in Rectal Adenocarcinoma

NCT02935309
View directory record Official record
Conditions
Rectal Cancer, Rectal Adenocarcinoma
Interventions
Lenvatinib, Capecitabine, External Radiation Therapy (XRT)
Drug · Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 5, 2026, 1:15 PM EDT