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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Proctectomy Clear all
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, 10:43 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, 10:43 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, 10:43 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, 10:43 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, 10:43 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, 10:43 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, 10:43 PM EDT
Recruiting No phase listed Observational

Feasibility of Non-Operative Management of Rectal Cancer in a Rural Population

NCT04245683
View directory record Official record
Conditions
Rectal Cancer
Interventions
Bowel/rectal resection, non-operative follow up
Procedure · Other
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Sep 5, 2026, 10:43 PM EDT
Recruiting Not applicable Interventional

The Use of Ultrasound in Assessing Post-prostatectomy Erectile Dysfunction

NCT05109208
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Ulrasound Vibroelastography (UVE)
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 5, 2026, 10:43 PM EDT
Completed Phase 3 Interventional Results available

Laparoscopic-Assisted Resection or Open Resection in Treating Patients With Rectal Cancer

NCT00726622
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Open laparotomy and rectal resection, Laparoscopic-assisted rectal resection
Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
35
States / cities
Scottsdale, Arizona • Concord, California • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Sep 5, 2026, 10:43 PM EDT
Withdrawn Phase 2 Interventional

Comparative Study of Cetuximab and Radiation Vs Surgery Before or After Radiation in Patients With Colorectal Carcinoma

NCT00725400
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Cetuximab and Radiation Therapy, Surgery and Radiation Therapy
Other · Procedure
Lead sponsor
American Scitech International
Other
Eligibility
40 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Englishtown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 19, 2011 · Synced Sep 5, 2026, 10:43 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Safety and Effectiveness Evaluation of the COLO-BT as an Alternative Treatment to the Ileostomy

NCT05826743
View directory record Official record
Conditions
Colorectal Surgery, Colorectal Cancer, Rectal/Anal, Ileostomy - Stoma, Anastomotic Leakage
Interventions
COLO BT™, Stoma Creation
Device · Other
Lead sponsor
JSR Medical Co., Ltd.
Industry
Eligibility
19 Years to 80 Years
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Buffalo, New York • Hershey, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 5, 2026, 10:43 PM EDT
Completed No phase listed Observational

Safe Colorectal Surgery in the Elderly

NCT03765411
View directory record Official record
Conditions
Rectal Cancer
Interventions
Proctectomy
Procedure
Lead sponsor
Tripler Army Medical Center
Federal
Eligibility
70 Years and older
Enrollment
6,740 participants
Timeline
2013 – 2017
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Sep 5, 2026, 10:43 PM EDT
Recruiting Not applicable Interventional

Post-Market Study of the Signia Circular Stapler With Tri-Staple Technology in Left-sided Colon, Sigmoid, and Rectal Resections

NCT07351071
View directory record Official record
Conditions
Colorectal Anastomosis, Left-sided Colon Resection, Anastomotic Leak, Anastomotic Complication, Digestive System Diseases, Gastrointestinal Diseases, Colonic Diseases, Intestinal Diseases, Rectal Diseases, Postoperative Complications, Anastomotic Leaks
Interventions
Signia™ circular stapler with Tri-Staple™ Technology (Signia™ Circular Stapling system)
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
New Haven, Connecticut • Tampa, Florida • Marietta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 5, 2026, 10:43 PM EDT
Withdrawn Not applicable Interventional

Hand Assisted Versus "Pure" Laparoscopic Assisted Proctectomy for Rectal Cancer

NCT00651677
View directory record Official record
Conditions
Rectal Cancer
Interventions
HAL proctectomy, "straight" laparoscopic proctectomy, Hand-assisted laparoscopic proctectomy, SL Proctectomy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Sep 5, 2026, 10:43 PM EDT
Recruiting Early Phase 1 Interventional

Active Surveillance and Chemotherapy Before Surgery in Treating Participants With Stage II-III Rectal Cancer

NCT03594630
View directory record Official record
Conditions
Rectal Adenocarcinoma, Stage II Rectal Cancer AJCC v8, Stage IIA Rectal Cancer AJCC v8, Stage IIB Rectal Cancer AJCC v8, Stage IIC Rectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8, Stage IIIA Rectal Cancer AJCC v8, Stage IIIB Rectal Cancer AJCC v8, Stage IIIC Rectal Cancer AJCC v8
Interventions
Chemotherapy, Patient Observation, Questionnaire Administration, Resection of Rectum
Drug · Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 5, 2026, 10:43 PM EDT