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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Laparoscopic Sleeve Gastrectomy Clear all
Completed No phase listed Observational

A Study of ECHELON 3000 (Next Generation Powered Stapler) in General Abdominal and Thoracic Lung Resection Procedures

NCT05519215
View directory record Official record
Conditions
Laparoscopic Sleeve Gastrectomy (LSG), Thoracic Lung Resection Procedure
Interventions
ECHELON 3000 Stapler
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
Not listed
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
8
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 25, 2026, 10:46 AM EDT
Active, not recruiting No phase listed Observational

Biological Sample Repository for Gastrointestinal Disorders

NCT05874726
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder, Overweight and Obesity, Overweight, Overweight or Obesity, Diabetes Type 2, Diabetes Mellitus, Diabetes Mellitus, Type 2, Hypertension, Hyperlipidemias, Sleep Apnea, GERD, Gastroesophageal Reflux, Musculoskeletal Pain Disorder, Cancer
Interventions
Blood Collection, Urine Collection, Tissue Sample Collection
Diagnostic Test
Lead sponsor
Pichamol Jirapinyo, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 25, 2026, 10:46 AM EDT
Completed No phase listed Observational

A Videographic Study to Evaluate the Impact of a Pulsed Firing Technique on Staple Line Interventions in Laparoscopic Sleeve Gastrectomy

NCT03896061
View directory record Official record
Conditions
Hemostasis
Interventions
Laparoscopic sleeve procedures
Device
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
Not listed
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Metairie, Louisiana • Buffalo, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 23, 2020 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Not applicable Interventional

Mechanisms of Diabetes Relapse After Bariatric Surgery

NCT01516320
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Roux-en-Y Gastric Bypass, Laparoscopic adjustable gastric banding, Vertical Sleeve Gastrectomy
Procedure
Lead sponsor
Blandine Laferrere
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 25, 2026, 10:46 AM EDT
Not yet recruiting Not applicable Interventional

Gastrectomy at Low Pressure Trial - (GALPT)

NCT07313930
View directory record Official record
Conditions
Pain, Postoperative
Interventions
AirSeal® Insufflation System (AIS), Lexicon AP 50/30 Insufflator
Device
Lead sponsor
SurgiQuest, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Stamford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Of Quadratus Lumborum II Block For Laparoscopic Sleeve Gastrectomy

NCT04073056
View directory record Official record
Conditions
Morbid Obesity, High BMI
Interventions
Bupivacaine
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
41 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 Jan 4, 2023 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Single Anastomosis Duodenal Ileal Bypass (SADI) for Sleeve Revision

NCT04165694
View directory record Official record
Conditions
Bariatric Surgery Candidate, Severe Obesity
Interventions
Single Anastomosis Duodenal Ileal Bypass (SADI)
Procedure
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 25, 2026, 10:46 AM EDT
Withdrawn Not applicable Interventional

Randomized Prospective Trial: Single Port Laparoscopic Vertical Sleeve Gastrectomy Versus Conventional Five Port Laparoscopic Vertical Sleeve Gastrectomy Surgery

NCT01401426
View directory record Official record
Conditions
Obesity, Nutrition Disorders, Body Weight
Interventions
Laparoscopic vertical sleeve gastrectomy
Procedure
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2016 · Synced Sep 25, 2026, 10:46 AM EDT
Enrolling by invitation No phase listed Observational

Endoscopic Metabolic and Bariatric Therapies

NCT05725967
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity Associated Disorder, Bariatric Surgery Candidate, Fistula, Gastric, Roux-en-y Anastomosis Site, Ulcer, Gastric, Abdominal Pain, Abdominal Obesity, Complication of Surgical Procedure, Complication of Treatment, Complication,Postoperative, Weight Gain, Weight Loss, Leak, Anastomotic, Delayed Gastric Emptying Following Procedure
Interventions
Primary Obesity Endoscopic Procedures, Endoscopic Revision of Bariatric Surgical Procedures, Bariatric Surgery Procedures, Endoscopic Sleeve Gastroplasty, Trans-oral Outlet Reduction, Intragastric Balloon, Primary obesity surgery endoluminal, Restorative obesity surgery endoluminal, Argon Plasma Coagulation, Gastroplasty with Endoscopic Myotomy, Bariatric Endoscopic Antral Myotomy, Pylorus Sparing Antral Myotomy, Aspiration Therapy
Procedure · Device
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 80 Years
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 25, 2026, 10:46 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A Retrospective Multicenter Comparison of Laparoscopic and Robotic-Assisted Roux-en-Y Gastrectomy

NCT05224791
View directory record Official record
Conditions
Laparoscopic Sleeve Gastrectomy, Sleeve Gastrectomy
Interventions
Roux-en-Y Gastric Bypass, Sleeve Gastrectomy
Procedure
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Sep 25, 2026, 10:46 AM EDT
Completed No phase listed Observational

Retrospective Comparison of Lap and Robotic-Assisted RYGB and SG

NCT04329780
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
Not listed
Lead sponsor
Intuitive Surgical
Industry
Eligibility
18 Years and older
Enrollment
1,872 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2025 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Designing Optimal Prevention and Management of Postoperative Nausea and Emesis for Patients Undergoing Laparoscopic Sleeve Gastrectomy

NCT03435003
View directory record Official record
Conditions
Post-operative Nausea and Vomiting, Laparoscopic Sleeve Gastrectomy
Interventions
Aprepitant 80 mg Oral Capsule, scopolamine transdermal, Total intravenous anesthesia, Dexamethasone, Ondansetron, Reglan, Compazine, Sugammadex, Propofol, dexmedetomidine, Fentanyl, Sevoflurane, Desflurane
Drug · Procedure
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 25, 2026, 10:46 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 16, 2022 · Synced Sep 25, 2026, 10:46 AM EDT
Withdrawn Not applicable Interventional

Evaluation of Safety and Efficacy of the EndoLift Liver Retractor

NCT02008409
View directory record Official record
Conditions
Minimally Invasive Surgical Procedure, Laparoscopic Gastric Banding, Laparoscopic Roux-en-Y Gastric Bypass, Laparoscopic Sleeve Gastrectomy, Laparoscopic Fundoplication Procedure, Laparoscopic Heller Myotomy, Laparoscopic Paraesophageal Hernia Repair, Laparoscopic Gastric Resection
Interventions
EndoLift Liver Retractor
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Not applicable Interventional Results available

Endoscopic vs. Suction Device Calibration in Sleeve Gastrectomy

NCT03939819
View directory record Official record
Conditions
Gastrectomy, Obesity
Interventions
ViSiGi® 3D suction calibration device, Esophagogastroduodenoscopy (EGD) calibration
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 25, 2026, 10:46 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Mechanism of Weight Loss After Endoscopic and Laparoscopic Sleeve Procedures

NCT04006002
View directory record Official record
Conditions
Weight Loss, Reflux
Interventions
Metabolic and Hormonal profile
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2022 · Synced Sep 25, 2026, 10:46 AM EDT
Not listed Phase 4 Interventional

ZYNRELEF® for Postoperative Analgesia After Laparoscopic Sleeve Gastrectomy

NCT05863221
View directory record Official record
Conditions
Post Operative Pain, Acute, Bariatric Surgery Candidate, Postoperative Pain
Interventions
ZYNRELEF 200Mg-6Mg Extended-Release Solution
Drug
Lead sponsor
Dr. Yannis Raftopoulos
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Holyoke, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Sep 25, 2026, 10:46 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 27, 2021 · Synced Sep 25, 2026, 10:46 AM EDT
Completed No phase listed Observational

Evaluation of a Powered Stapler System on Surgical Interventions Required During Laparoscopic Sleeve Gastrectomy

NCT02358785
View directory record Official record
Conditions
Obesity
Interventions
ECHELON FLEX™ Powered Plus Stapler
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
4
States / cities
Metairie, Louisiana • Charlotte, North Carolina • Winston-Salem, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Not applicable Interventional Results available

Laparoscopic TAP Block for Sleeve Gastrectomy: Does Timing Matter

NCT04787367
View directory record Official record
Conditions
Obesity, Pain, Postoperative
Interventions
TAP block
Procedure
Lead sponsor
Arthur Carlin
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Clinton Township, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 25, 2026, 10:46 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Assisted Robotic vs Laparoscopic Sleeve Gastrectomy

NCT06425016
View directory record Official record
Conditions
Post Operative Pain, Laparoscopic Sleeve Gastrectomy, Robotic Sleeve Gastrectomy, Obesity, Bariatric Surgery Candidate, Quality of Life
Interventions
Laparoscopic Sleeve Gastrectomy (LSG), Robotic Sleeve Gastrectomy (RSG)
Procedure
Lead sponsor
Ricard Corcelles
Other
Eligibility
18 Years to 70 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Sep 25, 2026, 10:46 AM EDT
Withdrawn Phase 4 Interventional

Sphenopalatine Ganglion Block to Prevent Shoulder Pain After Laparoscopic Bariatric Surgery

NCT02809755
View directory record Official record
Conditions
Obesity
Interventions
4% Lidocaine, Saline
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 25, 2026, 10:46 AM EDT
Active, not recruiting No phase listed Observational

Comparison Between Gastric Band, Laparoscopic Sleeve Gastrectomy, Gastric Bypass Surgeries

NCT02004561
View directory record Official record
Conditions
Obese Adolescents
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
14 Years to 19 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 25, 2026, 10:46 AM EDT
Completed Phase 3 Interventional

Laparoscopic Sleeve Gastrectomy With and Without Omentectomy

NCT00434525
View directory record Official record
Conditions
Morbid Obesity
Interventions
Laparoscopic restrictive procedure, Sleeve gastrectomy
Procedure
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2009 · Synced Sep 25, 2026, 10:46 AM EDT