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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Major Abdominal Operation Clear all
Recruiting Phase 2 Interventional

A Study of Radspherin® in Patients With Primary Advanced Epithelial Cancer, With Peritoneal Metastasis That Are Homologous Recombination Proficient Scheduled to Undergo Neoadjuvant Chemotherapy and Interval Debulking Surgery

NCT06504147
View directory record Official record
Conditions
Peritoneal Carcinomatosis, Ovarian Cancer
Interventions
Radspherin
Drug
Lead sponsor
Oncoinvent Solutions AS
Industry
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 3, 2026, 4:58 AM EDT
Not listed Not applicable Interventional

Perioperative Optimization With Enhanced Recovery

NCT04504266
View directory record Official record
Conditions
Complication of Surgical Procedure
Interventions
POWER
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Sep 3, 2026, 4:58 AM EDT
Terminated Not applicable Interventional Results available

Preoperative and Postoperative Incentive Spirometry in Patients Undergoing Major Abdominal Surgery

NCT04887922
View directory record Official record
Conditions
Abdominal Surgery
Interventions
MIR Spirobank G, ZEPHYRx®, Conventional spirometer
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Phase 3 Interventional

Evaluation of AVE5026 as Compared to Enoxaparin for the Prevention of Venous Thromboembolism in Patients Undergoing Major Abdominal Surgery

NCT00679588
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Semuloparin Sodium, Enoxaparin sodium, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
4,413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
25
States / cities
Birmingham, Alabama • Corlton, California • Huntingdon Beach, California + 18 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2013 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional Results available

REstrictive Versus LIbEral Fluid Therapy in Major Abdominal Surgery

NCT02073162
View directory record Official record
Conditions
Major Abdominal Surgery
Interventions
Major Abdominal Surgery
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Sep 3, 2026, 4:58 AM EDT
Terminated Not applicable Interventional

Precision Pain Management for Major Abdominal Surgery in Colorectal Surgery

NCT03455751
View directory record Official record
Conditions
Colorectal Cancer, Diverticular Disease, Crohn Disease, Ulcerative Colitis
Interventions
PGx-guided post-operative pain management
Genetic
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Multicenter, Randomized, Placebo-Controlled Phase 2 Study to Evaluate the Clinical Efficacy, Safety, and Tolerability of ARX-F01 Sublingual Sufentanil in Patients Undergoing Major Abdominal Surgery

NCT00718081
View directory record Official record
Conditions
Major Upper or Lower Abdominal Surgery
Interventions
Oral sufentanil, Placebo
Drug
Lead sponsor
Talphera, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 21, 2015 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NSS-2 BRIDGE Device in Post-Operative Pain Management

NCT03555266
View directory record Official record
Conditions
Acute Pain, Surgery, Abdominal Cancer
Interventions
NSS-2 Bridge, Sham NSS-2 BRIDGE
Device
Lead sponsor
Jacques E. Chelly
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional

TAP Versus Thoracic Epidural in Major Abdominal Resections

NCT02197988
View directory record Official record
Conditions
Malignant Neoplasm of Abdomen, Surgery
Interventions
Exparel 1.33% (20ml Volume), 0.125% bupivicaine with 2 mcg/ml Fentanyl.
Drug
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 3, 2026, 4:58 AM EDT
Not listed Phase 3 Interventional

Probiotics and Recovery From Gastrointestinal Surgery - 2

NCT04266106
View directory record Official record
Conditions
Surgical Recovery
Interventions
SuperBio probiotic, Placebo
Drug
Lead sponsor
Jan Franko, MD
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 3, 2026, 4:58 AM EDT
Not listed Early Phase 1 Interventional

Pain Control and Quality of Recovery After Intravenous Methadone Versus Intrathecal Morphine in Major Abdominal Surgery

NCT06387303
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional Results available

Behavioral Activation and Medication Optimization for Perioperative Mental Health Feasibility Study

NCT05110690
View directory record Official record
Conditions
Older Adults, Anxiety, Depression, Cardiac Surgery, Orthopedic Surgery, Major Surgical Resection of a Thoracic Malignancy, Major Surgical Resection of an Abdominal Malignancy
Interventions
Behavioral Activation, Medication Optimization
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IV Acetaminophen for Post-Operative Pain Management in Enhanced Recovery After Surgery (ERAS) Population

NCT03198871
View directory record Official record
Conditions
Abdominal Wall Hernia, Pancreatic Diseases, Bowel Disease, Gastric Disease
Interventions
Acetaminophen Injectable Product, Sodium Chloride 0.9%, Intravenous
Drug
Lead sponsor
Kathirvel Subramaniam
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional Results available

Consumer-Based Activity Monitor in Evaluating and Measuring Activity of Older Patients With Abdominal Cancer Undergoing Surgery

NCT02356471
View directory record Official record
Conditions
Malignant Gastrointestinal Neoplasm, Malignant Peritoneal Neoplasm
Interventions
Management of Therapy Complications Fitbit Zip (portable pedometer device), Questionnaire Administration, Quality-of-Life Assessment
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Sep 3, 2026, 4:58 AM EDT
Recruiting No phase listed Observational

At-home Walking Cadence Functional Assessment and Recovery Trajectory for Older Adults Undergoing Major Surgery

NCT05886725
View directory record Official record
Conditions
Gait, Unsteady
Interventions
Patients using Step Test Application and Accelerometer
Other
Lead sponsor
University of Chicago
Other
Eligibility
60 Years and older
Enrollment
100 participants
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional Results available

Piloting Prehabilitation Before Abdominal Surgery

NCT03040336
View directory record Official record
Conditions
Frailty
Interventions
Prehabilitation
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Oxymorphone Immediate Release in Post-surgical Acute Pain

NCT00226395
View directory record Official record
Conditions
Acute Pain
Interventions
Oxymorphone immediate release
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
21
States / cities
Birmingham, Alabama • Montgomery, Alabama • Phoenix, Arizona + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2024 · Synced Sep 3, 2026, 4:58 AM EDT
Completed No phase listed Observational

Comparison of Epidural and TAP Block in Abdominal Surgery

NCT01848951
View directory record Official record
Conditions
Acute Pain, Surgery, Regional Anesthesia
Interventions
Epidural, TAP Block
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 3, 2026, 4:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Performance Evaluation and Research for Older Adults Requiring Major Surgery

NCT00487890
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
65 Years and older
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Not applicable Interventional

Effect of Sugared Chewing Gum on Gastrointestinal Recovery After Major Colorectal Surgery

NCT01559662
View directory record Official record
Conditions
Postoperative Ileus
Interventions
Sugared Chewing Gum (Juicy Fruit)
Dietary Supplement
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 3, 2026, 4:58 AM EDT
Terminated Phase 3 Interventional

Probiotics and Recovery From Surgery

NCT01970683
View directory record Official record
Conditions
Major Abdominal Operation
Interventions
VSL #3 BID
Dietary Supplement
Lead sponsor
Catholic Health Initiatives
Other
Eligibility
18 Years to 99 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Sep 3, 2026, 4:58 AM EDT
Not listed Not applicable Interventional

Remote Ischemic Conditioning in Abdominal Surgery

NCT03234543
View directory record Official record
Conditions
Laparotomy, Laparoscopy, Retroperitoneal Disease, Pelvis Disease, Pancreatic Diseases, Liver Diseases, Gastrointestinal Disease, Urologic Diseases, Complication of Surgical Procedure
Interventions
Remote ischemic conditioning, No Remote ischemic conditioning
Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced Sep 3, 2026, 4:58 AM EDT
Terminated Not applicable Interventional Results available

An Evaluation of SprayShield in Reducing Post-Operative Adhesion Formation Following Major Open Abdominal Surgery

NCT01002287
View directory record Official record
Conditions
Ulcerative Colitis, Familial Polyposis
Interventions
SprayShield Adhesion Barrier System, Good Surgical Technique Alone
Device · Procedure
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 19, 2014 · Synced Sep 3, 2026, 4:58 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Multiple Doses of Intranasal Ketorolac in Postoperative Pain Following Major Abdominal Surgery

NCT00266786
View directory record Official record
Conditions
Postoperative Pain
Interventions
Intranasal Ketorolac Tromethamine, Intranasal Placebo
Drug
Lead sponsor
Egalet Ltd
Industry
Eligibility
18 Years to 64 Years
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
5
States / cities
Arcadia, California • Glendale, California • Pasadena, California + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 3, 2026, 4:58 AM EDT