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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:05 AM EDT

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Showing 25–48 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gastric Surgery Clear all
Completed Phase 2 Interventional

PRebiotic to IMprovE Calcium Absorption

NCT03272542
View directory record Official record
Conditions
Obesity
Interventions
Prebiotic: soluble corn fiber, Placebo: maltodextrin
Dietary Supplement
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 6, 2026, 1:05 AM EDT
Not yet recruiting Not applicable Interventional

TRANScriptional Pathways Of Surgical Pain Modulated by Music Therapy Exposure (TRANSPOSE)

NCT07653594
View directory record Official record
Conditions
Surgery, Stomach Cancer, Pancreas Cancer, Bile Duct Cancer, Liver Cancer, Peritoneal Cancer
Interventions
Music-assisted relaxation and imagery (MARI)
Behavioral
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
50 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 1 Interventional

Oxaliplatin, Fluorouracil, Erlotinib Hydrochloride, and Radiation Therapy Before Surgery and Erlotinib Hydrochloride After Surgery in Treating Patients With Locally Advanced Cancer of the Esophagus or Gastroesophageal Junction

NCT01561014
View directory record Official record
Conditions
Adenocarcinoma of the Esophagus, Adenocarcinoma of the Gastroesophageal Junction, Adenocarcinoma of the Stomach, Squamous Cell Carcinoma of the Esophagus, Stage II Esophageal Cancer, Stage II Gastric Cancer, Stage III Esophageal Cancer, Stage III Gastric Cancer
Interventions
erlotinib hydrochloride, oxaliplatin, fluorouracil, radiation therapy, conventional surgery, immunohistochemistry staining method, positron emission tomography, computed tomography, laboratory biomarker analysis, gene expression analysis, fludeoxyglucose F 18
Drug · Radiation · Procedure + 2 more
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery

NCT01138475
View directory record Official record
Conditions
Gastric Bypass, Parathyroid Hormone
Interventions
Paricalcitol, Cholecalciferol, Placebo
Drug
Lead sponsor
Kerstyn C. Zalesin, M.D.
Other
Eligibility
18 Years to 100 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Role of Neural and Hormonal Regulation Factors on Insulin Secretion After Gastric Bypass Surgery

NCT00992901
View directory record Official record
Conditions
Post Bariatricsurgery, Hypoglycemia
Interventions
Exendin-(9-39), Atropine, GLP-1 and GIP
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Terminated Phase 4 Interventional

Lansoprazole Preventing Gastroduodenal Stress Ulcerations

NCT00220909
View directory record Official record
Conditions
Patients Undergoing Elective Coronary Artery Bypass Graft
Interventions
Lansoprazole
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2008 · Synced Oct 6, 2026, 1:05 AM EDT
Enrolling by invitation No phase listed Observational

Physiologic and Functional Adaptations of Insulin Sensitive Tissues

NCT03407833
View directory record Official record
Conditions
Diabetes, Insulin Resistance, Obesity, Bariatric Surgery Candidate, Roux-en-y Gastric Bypass, Liver Diseases
Interventions
Endoscopy biopsy, Surgical biopsy, Mixed-meal tolerance test, Excised Liver Tissue Sampling
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting No phase listed Observational

Tissue Procurement for Gastric Cancer, Gastrointestinal Stromal Tumors (GIST), Esophageal Cancer, Pancreas Cancer, Hepatocellular Cancer, Biliary Cancer, Neuroendocrine, Peritoneal Mesothelioma, Anal Cancer and Colorectal Cancer in Patients Undergoing Surgery or Biopsy

NCT01416714
View directory record Official record
Conditions
Gastric Cancers
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Terminated Phase 2 Interventional Results available

Combination Chemotherapy as First-Line Therapy in Treating Patients With Stage IV Gastric Cancer That Cannot Be Removed By Surgery

NCT00448682
View directory record Official record
Conditions
Gastric Cancer
Interventions
Docetaxel, Floxuridine, Leucovorin, Oxaliplatin
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 120 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Oct 6, 2026, 1:05 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Fat Taste Sensory Study

NCT03540693
View directory record Official record
Conditions
Bariatric Surgery Candidate, Bariatric Surgical Procedure
Interventions
RYGB, SG, LAGB
Procedure
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 64 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Early Phase 1 Interventional

Determinants of Diabetes Remission After Gastric Bypass Surgery

NCT02287285
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exendin9
Drug
Lead sponsor
Blandine Laferrere
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2020 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Results available

Unilateral TAP Block for Laparoscopic Gastric Sleeve Surgery

NCT03856788
View directory record Official record
Conditions
Laparoscopic Sleeve Gastrectomy, Subcostal Transversus Abdominis Plane Block
Interventions
Saline, Bupivacaine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 80 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

LapBand Adjustment to Improve Early Weight Loss

NCT01060592
View directory record Official record
Conditions
Obesity
Interventions
EndoFLIP device (FDA Device Listing Number : D091203)
Device
Lead sponsor
Crospon
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Hurst, Texas
Source: ClinicalTrials.gov public record
Updated Apr 8, 2013 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Glucagon-like Peptide 1, Glucose Metabolism and Gastric Bypass

NCT01803451
View directory record Official record
Conditions
Post-bariatric Surgery
Interventions
exendin -(9-39)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2027
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

Study of the Effect of the Drug Gabapentin on Postoperative Pain and Incidence of Postoperative Nausea and Vomiting

NCT00886236
View directory record Official record
Conditions
Obesity, Morbid, Postoperative Pain, Postoperative Nausea and Vomiting
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 6, 2026, 1:05 AM EDT
Withdrawn No phase listed Observational

Gastric Volumes After Oral Multimodal Analgesia in the Pre-operative Setting: A Prospective Case Series

NCT02940236
View directory record Official record
Conditions
General Surgery
Interventions
Ultrasound
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Oct 6, 2026, 1:05 AM EDT
Completed No phase listed Observational

GERD Treatment With Transoral Incisionless Fundoplication (TIF) Following Hiatal Hernia Surgery

NCT03143608
View directory record Official record
Conditions
Gastro Esophageal Reflux
Interventions
Esophyx
Device
Lead sponsor
Peter G Mavrelis
Individual
Eligibility
18 Years to 80 Years
Enrollment
99 participants
Timeline
2014 – 2016
U.S. locations
2
States / cities
Merrillville, Indiana • Appleton, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

Heated Intraperitoneal Chemotherapy and Gastrectomy for Gastric Cancer With Positive Peritoneal Cytology

NCT03092518
View directory record Official record
Conditions
Gastric Adenocarcinoma, Esophagogastric Junction, Gastric Cancer
Interventions
Surgery, Cisplatin, Mitomycin C, Sodium Thiosulfate, Tumor Biopsy, CT C/A/P, PET-CT, MRI, EKG
Procedure · Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 4 Interventional Results available

Sugammadex To IMprove Bowel Function

NCT04546672
View directory record Official record
Conditions
Bowel Dysfunction, Postoperative Complications, Neuromuscular Blockade
Interventions
Sugammadex, Neostigmine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Not applicable Interventional

Perioperative Geriatrics Intervention for Older Cancer Patients Undergoing Surgical Resection

NCT02810652
View directory record Official record
Conditions
Pancreatic Cancer, Esophageal Cancer, Gastric Cancer, Rectal Cancer, Hepatobiliary Cancer, Colon Cancer
Interventions
Usual Care, Perioperative Geriatrics Intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 22, 2022 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 1 Interventional

Phase I Study of Continuous Hyperthermic Peritoneal Perfusion (CHPP) With Escalating Dose I.P. Platinum for Gastrointestinal Peritoneal Carcinomatosis

NCT00001332
View directory record Official record
Conditions
Peritoneal Neoplasms, Stomach Neoplasms
Interventions
CHPP with cisplatin
Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 6, 2026, 1:05 AM EDT
Enrolling by invitation No phase listed Observational

Improving Surgeon Performance Measures for Robot-Assisted Surgery

NCT06037837
View directory record Official record
Conditions
Surgery
Interventions
Robotic Surgery
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 6, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy and Chemotherapy Before and After Surgery in Treating Patients With Esophageal Cancer

NCT00033657
View directory record Official record
Conditions
Esophageal Cancer, Gastric Cancer
Interventions
cisplatin, irinotecan hydrochloride, paclitaxel, conventional surgery, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
23
States / cities
Denver, Colorado • Newark, Delaware • Gainesville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 6, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

Optimal Perioperative Pain Control in Minimally Invasive Abdominal Cancer Surgery

NCT06731998
View directory record Official record
Conditions
Oncologic Surgery, Cancer, Cancer Surgery, Hepatic Cancer, Gastric (Cardia, Body) Cancer, Biliary Tract Cancer, Pancreatic Cancer Resectable, Gynecologic Cancers, Gastrointestinal Cancers, Colorectal Cancer, Minimally Invasive Surgical Procedures
Interventions
Local Anesthesia, Laparoscopic Transversus Abdominis Plane block
Procedure
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 89 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 6, 2026, 1:05 AM EDT