| Not Yet Recruiting | Endoscopic Sleeve Gastroplasty Technique Comparison for Weight Loss NCT06299644 | Brigham and Women's Hospital | N/A |
| Recruiting | Trans-nasal Endoscopy for Bariatric Patients NCT06200961 | Christopher C. Thompson, MD, MSc | N/A |
| Enrolling By Invitation | ESG in Obese Adolescents NCT06914765 | Children's Hospital of Philadelphia | N/A |
| Completed | Effect of Bilateral Rectointercostal Fascial Plane Block on Postoperative Pain After Laparoscopic Sleeve Gastr NCT07253610 | Samsun University | N/A |
| Completed | The Effect of Laparoscopic Sleeve Gastrectomy on Blood Phoenixin-14 Levels NCT07004556 | Kahramanmaras Sutcu Imam University | — |
| Completed | Amino Acid Metabolism Before and After Bariatric Surgery NCT07008352 | Harran University | — |
| Recruiting | Improving Efficacity of Sleeve Gastrectomy With Naltrexone/Bupropion Extended-release Tablet NCT06620562 | Laval University | Phase 4 |
| Not Yet Recruiting | Identification of Pre-surgical Phenotypic Indicators Predictive of Quality of Life Trajectories in Obese Patie NCT06951893 | Centre Hospitalier Metropole Savoie | N/A |
| Enrolling By Invitation | Utilization of Airway Stabilizing Rod to Assist With Laryngeal Mask Airway Guided Fiberoptic Intubation in Adu NCT06916364 | Baylor College of Medicine | N/A |
| Not Yet Recruiting | Periodontal Microbiota of Patients Candidates for Bariatric Surgery with Body Mass Index Greater Than 30 NCT06781229 | University Hospital, Toulouse | — |
| Completed | Ultrasound-Guided Erector Spinae Plane Block Versus Modified Thoracoabdominal Block for Analgesia in Obese Pat NCT06841783 | Kasr El Aini Hospital | N/A |
| Recruiting | Low Impact Laparoscopy In Bariatric Surgery NCT07119437 | Fondazione Policlinico Universitario Campus Bio-Medico | N/A |
| Completed | Real-World Tirzepatide Therapy in Post-Bariatric Weight Regain and Preoperative Obesity Patients NCT07382180 | Azienda Sanitaria Locale Napoli 2 Nord | — |
| Enrolling By Invitation | Luso-Cor Stent Compared to Other Endoscopic Techniques for Management of Fistulas and Anastomotic Dehiscences( NCT06862479 | Unidade Local de Saúde Santa Maria | — |
| Recruiting | Endoscopic Treatment of Overweight and Mild Obesity with ORBERA365 NCT06785233 | Kaiser Clinic and Hospital | N/A |
| Recruiting | Comparison of Airtraq in Class 2-3 Obese and Nonobese Men During Intubation: a Prospective Randomized Clinical NCT05927519 | Kocaeli University | N/A |
| Recruiting | Sleeve Gastrectomy With Jejuno-ileal Bypass Versus Single Anastomosis Sleeve Jejunal Bypass NCT06530212 | Minia University | N/A |
| Recruiting | Time-restricted Eating Among Pregnant Females With Severe Obesity NCT06477120 | University of Illinois at Chicago | N/A |
| Not Yet Recruiting | Effectiveness Gastric Balloon in Obese Adolescents NCT04209842 | Stanford University | N/A |
| Completed | Effects of Differences in Body Composition on Retina and Choroid NCT06888765 | Bayram Meydan | — |
| Completed | Ultrasound Guided Versus Land-mark Method for Spinal Anesthesia in Super Obesity Parturients NCT06410820 | Karaman Training and Research Hospital | N/A |
| Not Yet Recruiting | Semaglutide 2.4mg for Low Responders After Bariatric Surgery NCT06287307 | Zuyderland Medisch Centrum | Phase 4 |
| Not Yet Recruiting | Impact of Bariatric Surgery on Heart Disease Compared to Standard Care NCT06346145 | Danderyd Hospital | N/A |
| Not Yet Recruiting | The Effect of Endotracheal Tube With Stylet in Morbidly Obese Patients NCT06405672 | Antalya Training and Research Hospital | N/A |
| Recruiting | Transpulmonary Pressure - Guided Mechanical Ventilation in Morbidly Obese ARDS Patients: a Feasibility Study. NCT06119516 | Assistance Publique - Hôpitaux de Paris | N/A |
| Recruiting | The Impact of Different Carbohydrate Restriction After a Gastric Bypass on the Ketosis and Ketoacidosis NCT06338969 | The Society of Bariatric and Metabolic Surgeons of Kazakhstan | N/A |
| Recruiting | Genetic Susceptibility to Predict Weight Loss After Bariatric Surgery NCT06226194 | Institut de Recerca Biomèdica de Lleida | — |
| Unknown | Naturally Banded Versus Synthetic Banding of Sleeve Gastrectomy NCT06298942 | Minia University | N/A |
| Recruiting | Duke Activity Score Index in Obese Individuals NCT06499597 | Harran University | — |
| Recruiting | Effects of Individualized PEEP Guided by Driving Pressure on Postoperative Atelectasis in Patients With Morbid NCT06181279 | Yongtao Sun | N/A |
| Active Not Recruiting | Evaluation of Bariatric Endoscopic Antral Myotomy (BEAM) as a Treatment for Obesity NCT05713071 | Brigham and Women's Hospital | N/A |
| Active Not Recruiting | Semaglutide and Physical Activity for Obesity and Multimorbidity NCT06234111 | Hvidovre University Hospital | — |
| Active Not Recruiting | Positive Psychology Intervention for Patients Post-bariatric Surgery and Their Partners NCT05958615 | Larissa McGarrity, Ph.D. | N/A |
| Enrolling By Invitation | Impact of Nutritional Intervention With Probiotics and Prebiotics on Obesity. NCT06722443 | Fundación Pública Andaluza para la Investigación Biomédica Andalucía Oriental | N/A |
| Suspended | Study of Liraglutide (A Weight Loss Drug) in High Risk Obese Participants With Cognitive and Memory Issues NCT06171152 | University of Chicago | EARLY_Phase 1 |
| Not Yet Recruiting | Evaluation of the Non-inferiority of the Robotic Approach Over the Laparoscopic Approach in Patients Who Are C NCT06021873 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Completed | Metabolomics and Bariatric Surgery in Patients With Metabolically Unhealthy Obesity NCT06297928 | Parc de Salut Mar | — |
| Completed | Early Feasibility Study: Assessment of Self-Forming Magnetic Anastomosis Device and Delivery System (SFM) in O NCT06200896 | GI Windows, Inc. | N/A |
| Completed | Effects of M-TAPA Block on Pulmonary Functions NCT06148597 | Zonguldak Bulent Ecevit University | — |
| Unknown | Endoscopic Gastric Reduction of Gastric Mucosa in Obesity NCT06231251 | Zagazig University | N/A |
| Unknown | LOTUS Trial: Lumbar Ultrasound in Obstetric Patients With BMI > 40 NCT06305260 | MetroHealth Medical Center | N/A |
| Recruiting | Endoscopic Sleeve Gastroplasty With Endomina® for the Treatment of Obesity in Kidney Transplant Candidates NCT05917795 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Recruiting | Efficacy and Safety of Endoscopic Antral Myotomy as a Novel Weight Loss Procedure NCT05711758 | Christopher C. Thompson, MD, MSc | — |
| Terminated | Body Composition Optimization Intervention RCT NCT05993169 | Jacob M. Elkins | N/A |
| Completed | Gingival Crevicular Fluid of Adiponectin and Resistin As Predictable Implement in Staging and Grading System o NCT06604013 | Al-Azhar University | N/A |
| Recruiting | Robotic-assisted Versus Conventional Laparoscopic Surgery in Obese Patients With Early Endometrial Cancer NCT05974995 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Recruiting | Metabolic Effects of a Diet Replaced With Essential Amino Acids NCT06309563 | Istituto Auxologico Italiano | N/A |
| Completed | Lung Recruitment Manoeuvre in Morbidly Obese Patients Underdoing Laparoscopic Bariatric Surgery NCT06000969 | Tanta University | N/A |
| Recruiting | Photobiomodulation in Chronic Knee Pain in Patients Who Are in PreRehabilitation for Bariatric Surgery NCT05816798 | University of Nove de Julho | Phase 2 / Phase 3 |
| Active Not Recruiting | Biological Sample Repository for Gastrointestinal Disorders NCT05874726 | Pichamol Jirapinyo, MD, MPH | — |
| Recruiting | Postextubation Use of Noninvasive Respiratory Support in Severely Obese Patients NCT05918575 | Rush University Medical Center | N/A |
| Not Yet Recruiting | Two Hypoabsorption Techniques for the Treatment of Type III Obesity (OASIS) NCT05948852 | Consorci Sanitari Integral | N/A |
| Unknown | Laparoscopic Natural Gastric Banding for Morbid Obesity NCT05912920 | Minia University | N/A |
| Completed | Evaluation of Different Methods to Measure Muscle Mass and Strength in a Population With Class II/III Obesity NCT05732363 | Frisius Medisch Centrum | — |
| Completed | Predictors of Bariatric Surgery Weight Loss NCT06480058 | Kuwait University | — |
| Completed | The Postoperative Lidocaine and Ketamine Effects on Morphine Requirement in Bariatric Surgery NCT05591105 | Tiva Group | — |
| Recruiting | Role of Tranexamic Acid in Reducing Hemorrhagic Events in Bariatric Surgery NCT07098780 | Patel Hospital, Pakistan | Phase 4 |
| Terminated | BAriatric Surgery Induced Chromosomal Change NCT05903521 | The Cleveland Clinic | — |
| Active Not Recruiting | Evaluation of the Implementation of Drug Prescription Recommendations Using Clinical Decision Support in Patie NCT06517303 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | Remission of Type 2 Diabetes Via Calorie Restriction NCT05754775 | Yeouido St. Mary's Hospital | N/A |
| Completed | Jejunal Ketogenesis and Type 2 Diabetes NCT05767177 | Göteborg University | N/A |
| Recruiting | Study of the Steroid Hormone Milieu in Obese Patients NCT06341699 | Istituto Auxologico Italiano | — |
| Unknown | Use of Mysimba in Patients With Weight Regain After Bariatric Surgery NCT04902625 | Zuyderland Medisch Centrum | Phase 4 |
| Active Not Recruiting | Rural Engagement in TelemedTeam for Options in Obesity Treatment Solutions NCT05710510 | University of Kansas Medical Center | N/A |
| Recruiting | Laparoscopic Single Anastomosis Sleeve Ileal Bypass Versus Laparoscopic Sleeve Gastrectomy for Morbid Obesity NCT05611697 | Oslo University Hospital | N/A |
| Recruiting | Management of Sleeve Gastrectomy Failure Using Single-anastomosis Metabolic Surgery NCT05242835 | Laval University | N/A |
| Unknown | Evaluation of Vidiac Scores of Obese and Morbid Obese Patients Intubated by Videolaryngoscopy NCT05697744 | Ankara City Hospital Bilkent | — |
| Active Not Recruiting | The Use of Indocyanine Green to Visualize Blood Flow to the Gastrojejunostomy During Bariatric Surgery. NCT06002906 | University Health Network, Toronto | Phase 4 |
| Recruiting | Predictors of Weight Loss and Metabolic Health After Bariatric Surgery NCT05987631 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | — |
| Unknown | The Effect of Progressive Relaxation Exercises on Bariatric Surgery Period NCT05591898 | Başakşehir Çam & Sakura City Hospital | N/A |
| Completed | Liraglutide Effectiveness in Preoperative Weight-loss for Bariatric-metabolic Surgery NCT06201819 | Unidad de Cirugia Bariatrica Hospital Civil Dr. Juan I. Menchaca | Phase 4 |
| Unknown | Weight Loss and Aggression NCT05654584 | Fatih Sultan Mehmet Training and Research Hospital | — |
| Unknown | Regain Rate According to gj Anastomosis Size in Gastric Bypass NCT05655975 | Fatih Sultan Mehmet Training and Research Hospital | N/A |
| Not Yet Recruiting | Weight Loss and Breast Cancer NCT05654571 | Fatih Sultan Mehmet Training and Research Hospital | — |
| Active Not Recruiting | Clinical Investigation of the da Vinci Surgical System NCT05682742 | Intuitive Surgical | N/A |
| Completed | Oxytocin and Sleeve Gastrectomy NCT05307133 | Centre Hospitalier Universitaire de Nice | N/A |
| Completed | Naturally Banded Sleeve Gastrectomy NCT05603338 | Minia University | N/A |
| Completed | Sleeve Gastrectomy With Cruroplasty and Omental Rape for Treatment of Morbid Obesity With Reflux Disease NCT05590208 | Minia University | N/A |
| Terminated | Total Joint Arthroplasty (TJA) Weight Loss Study NCT05156762 | Boston Medical Center | N/A |
| Active Not Recruiting | The Franciscus Obesity NASH Study NCT05499949 | Franciscus Gasthuis | — |
| Recruiting | The UFO (Ultra Processed Foods in Obesity) Project NCT05554016 | Federico II University | — |
| Completed | Investigation of the Effectiveness of Whatsapp-Based Physical Activity Incentive Program in Morbidly Obese Ind NCT05519423 | Istanbul University - Cerrahpasa | N/A |
| Recruiting | Different Limb Lengths in Gastric Bypass Surgery (SLIM) - Part 3: Metabolism and Inflammation NCT05471037 | University Hospital, Basel, Switzerland | N/A |
| Completed | The Effect of Early Mobilization on Pain Level After Laparoscopic Bariatric Surgery NCT05961345 | Cukurova University | N/A |
| Unknown | Late Gestational Diabetes Mellitus Diagnosis in Obese Women NCT05510518 | Western Galilee Hospital-Nahariya | — |
| Unknown | Comparison of Three Methods for Fetal Weight Estimation NCT05478798 | Western Galilee Hospital-Nahariya | — |
| Recruiting | Phenotypic and Genotypic Characterization of Patients With Dysmetabolism in Greenland NCT06264427 | Steno Diabetes Center Greenland | N/A |
| Enrolling By Invitation | Endoscopic Metabolic and Bariatric Therapies NCT05725967 | Christopher C. Thompson, MD, MSc | — |
| Completed | Single Anastomosis Sleeve Ileal Bypass Versus Single Anastomosis Sleeve Jejunal Bypass NCT05591833 | Minia University | N/A |
| Recruiting | Evaluation of Propofol Dosing Based on Total Body Weight Using Closes-loop Anaesthesia Delivery System NCT05305313 | Sir Ganga Ram Hospital | Phase 4 |
| Unknown | Spinal Anesthesia Using Ultrasound Assistance Versus Conventional Palpation in Morbidly Obese Patients NCT05240846 | Kafrelsheikh University | N/A |
| Recruiting | Investigating the Link Between Type 2 Immunity and NAFLD in Human Obesity NCT04232566 | Mayo Clinic | — |
| Completed | Comparison of the Effect of Traditional Method and Eras Protocol in Obesity Surgery NCT05790317 | Bahçeşehir University | N/A |
| Unknown | Clinical Efficacy of a Virtual Reality Tool for the Treatment of Obesity NCT05094557 | Hospital Universitari Vall d'Hebron Research Institute | N/A |
| Completed | Indocyanine Green Test for Evaluation of Perfusion of Staple Line of the Stomach During Laparoscopic Sleeve Ga NCT05337644 | University of Foggia | — |
| Completed | Portal Hypetension and Bariatric Surgery (BARIAPORTAL) NCT05653115 | Centre Hospitalier Universitaire de Nice | — |
| Completed | Determination of Change in Reflux Disease After Sleeve Gastrectomy by Intraluminal Impedance and pH-meter NCT05405816 | Fatih Sultan Mehmet Training and Research Hospital | N/A |
| Completed | Suture Reinforcement to Reduce the Leak Rate After Sleeve Gastrectomy NCT05987787 | University of Foggia | — |
| Completed | Comparison of Two Types of Face Mask Ventilation in Obese Patients NCT06219460 | Medical University of Lodz | N/A |
| Enrolling By Invitation | Cognitive Impairment, Obesity, and the Effects of Bariatric Surgery NCT05215886 | University of California, Davis | — |
| Recruiting | Comparing 150cm OAGB With 150cm Biliopancreatic Limb RYGB. A Non-inferiority Trial NCT04852198 | Flevoziekenhuis | N/A |
| Completed | Hypotensive Anesthesia With Sleeve Gastrectomy NCT05170711 | Minia University | N/A |
| Completed | Duodenal-Ileal Diversion in Obese Patients Undergoing Primary Sleeve or Those With Inadequate Weight Loss Afte NCT05064722 | GI Windows, Inc. | N/A |
| Unknown | Trends and Safety in Revisional Bariatric Surgery in Italy NCT05194943 | University of Roma La Sapienza | — |
| Enrolling By Invitation | Biometabolic Outcomes After Weight Loss Surgery: An Individualized Approach NCT04841057 | University of Missouri-Columbia | N/A |
| Completed | Procedure for Duodenal-Ileal Diversion for Patients With Weight Regain Following Sleeve Gastrectomy NCT05049824 | GI Windows, Inc. | N/A |
| Terminated | Impact of Wearing a Support Garment Following Parietal Gastrectomy NCT04938310 | Laval University | N/A |
| Completed | The Effects of Laparoscopic Guided Transversus Abdominis Plane (TAP) Block in Sleeve Gastrectomy Procedure. NCT05447429 | Samsun Education and Research Hospital | N/A |
| Completed | A Comparison of Vie-Scope and Macintosh Blade Laryngoscopes in Morbidly Obese. NCT05502120 | Medical University of Lodz | N/A |
| Completed | The Effect of 'Medical Nutrition Therapy' on Post-bariatric Hypoglycemia 2-4 Years After Gastric Bypass Surger NCT05011682 | Helse Nord-Trøndelag HF | N/A |
| Completed | Intervention in the Surgical Treatment of Obesity NCT06033690 | Instituto de Cardiologia do Rio Grande do Sul | N/A |
| Recruiting | Bariatric Surgery and Modulation of Perceived Satiety NCT05777928 | Istituto Auxologico Italiano | N/A |
| Recruiting | DIStal gastriC Bypass OUtcome in Revision SurgEry After Roux-en-y Gastric Bypass NCT04894838 | St. Antonius Hospital | N/A |
| Unknown | THE EFFECT OF FAST WEIGHT EFFICIENCY AFTER LAPAROSCOPIC SLEEVE GASTRECTOMY ON THE COBB ANGLE IN MORBID OBESE P NCT04844320 | Fatih Sultan Mehmet Training and Research Hospital | N/A |
| Unknown | Comparison of Extremely Obese Patients Undergoing Gastric Sleeve Surgery NCT05929170 | University of Pecs | — |
| Terminated | Providing Optimal PEEP During Mechanical Ventilation for Obese Patients Using Esophageal Balloon NCT03951064 | University of North Carolina, Chapel Hill | N/A |
| Completed | The FundoRingOAGB Versus Non-wrapping (Non-banded) Standard Method of Laparoscopic One Anastomosis Gastric Byp NCT04834635 | The Society of Bariatric and Metabolic Surgeons of Kazakhstan | N/A |
| Completed | Biliary Limb as a Percentage From the Small Intestine Rather Than Fixed Length in Loop Bypass Surgery for Morb NCT04826055 | Minia University | N/A |
| Unknown | Role NLRP3 Inflammasome in Weight Loss Following Sleeve Gastrectomy in Morbidly Obese Patients NCT04814147 | University Hospital Center of Martinique | — |
| Withdrawn | Intragastric Balloon With Lifestyle Intervention vs. Lifestyle Intervention in Obese Patients With NASH NCT03538236 | Johns Hopkins University | N/A |
| Withdrawn | Gastric and Autonomic Functions in Patients With Intragastric Balloon NCT03530410 | Johns Hopkins University | — |
| Recruiting | Brown Adipose Tissue Activation by Spinal Cord Stimulation NCT04326192 | Oregon Health and Science University | N/A |
| Unknown | Evaluation of Surgical Complications and DFS in Obese Rectal Cancer Patients NCT06056726 | Federico II University | — |
| Active Not Recruiting | Multimodal Analgesia Effect on Post Surgical Patient NCT04240626 | University of California, Davis | Phase 4 |
| Unknown | Deep Transcranial Magnetic Stimulation (dTMS) of the Medial Prefrontal Cortex in Food Addiction and Obesity NCT04692909 | Soroka University Medical Center | N/A |
| Unknown | Polish Revision Obesity Surgery Study NCT05108532 | Medical University of Gdansk | — |
| Completed | Laparoscopic Sleeve Gastrectomy-Induced Decline in Plasma Asprosin and Its Association With Metabolic Recovery NCT07008274 | Northern Jiangsu People's Hospital | — |
| Completed | Incidence of Complications Associated With Anesthesia in Obesity Parturient Undergoing Cesarean Delivery NCT04657692 | Mahidol University | — |
| Withdrawn | Liraglutide for Low-responders After Bariatric Surgery NCT04643301 | Zuyderland Medisch Centrum | N/A |
| Completed | Efficacy of CPPLAI in Laparoscopic Sleeve Gastrectomy Patients NCT04680923 | King Khalid University Hospital | N/A |
| Unknown | NASH in Subjects With Different Classes of Obesity NCT04653103 | Catholic University of the Sacred Heart | — |
| Unknown | Safety and Feasibility of ActivSightTM in Human NCT04633512 | Activ Surgical | N/A |
| Withdrawn | Bariatric Arterial Embolization for Men Starting Hormones for Prostate Cancer NCT04331717 | Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Phase 2 |
| Unknown | Bariatric Surgery for the Reduction of cArdioVascular Events Feasibility Trial NCT04226664 | Hamilton Health Sciences Corporation | N/A |
| Unknown | Effects of Very Low Calorie Diet vs Metabolic Surgery on Weight Loss and Obesity Comorbidities NCT04583683 | Catholic University of the Sacred Heart | N/A |
| Completed | Endoscopic Gastric Mucosal Devitalization (GMD) as a Primary Obesity Therapy - Part 2 NCT03638843 | Johns Hopkins University | N/A |
| Recruiting | Pharmacokinetics and Pharmacodynamics of Intravenous Paracetamol in Morbidly Obese and Non- Obese Patients. NCT06549062 | University Hospital, Ghent | — |
| Unknown | Reducing Sedentary Time in Bariatric: The Take a STAND for Health Study NCT04517591 | University of Sao Paulo | N/A |
| Unknown | Comparative Analysis Between Sleeve Gastrectomy and Roux-en Y Gastric Bypass in Bariatric Operation NCT04554758 | Inha University Hospital | N/A |
| Unknown | Evaluation of Preoperative Nasoendoscopy to Predict Difficult Intubation NCT05043779 | Hamad Medical Corporation | N/A |
| Active Not Recruiting | Non-randomized Prospective Comparison Between SASI Bipartition and RYGB NCT04469712 | Aleris Hospital | — |
| Unknown | Preoperative Carbohydrate Loading in Bariatric Surgery NCT04486079 | Medical University of Gdansk | Phase 4 |
| Unknown | Obesity Surgery During 2020 Italian Pandemic NCT04480034 | University of Roma La Sapienza | — |
| Unknown | Quality of Life After Bariatric Surgery NCT04524429 | University of Adelaide | — |
| Completed | Outpatient Bariatric Surgery NCT04423575 | IHU Strasbourg | N/A |
| Recruiting | Functional Changes in the Stomach and Esophagus After One Anastomosis Gastric Bypass- OAGB NCT04422405 | Spital Limmattal Schlieren | N/A |
| Active Not Recruiting | Different Limb Lengths in Gastric Bypass Surgery NCT04219787 | Clarunis - Universitäres Bauchzentrum Basel | N/A |
| Completed | Impact of Social Distancing on Bariatric Versus Non-Surgical Obese Patients During COVID-19 Pandemic NCT04633941 | Singapore General Hospital | — |
| Completed | The Effects of Non-surgical Periodontal Therapy in Patients Indicated for Bariatric Surgery NCT04653714 | University of Ljubljana | N/A |
| Active Not Recruiting | Adipositas Care & Health Therapy NCT04768127 | Wuerzburg University Hospital | N/A |
| Completed | Single Anastomosis Sleeve Iejenal Bypass in Obese Patient With Hiatus Hernia NCT04823767 | Minia University | N/A |
| Unknown | THE IMPACT OF COVID-19 AMONG OBESE PATIENTS NCT05137405 | University of Foggia | — |
| Withdrawn | A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Obesity NCT04100616 | ProgenaBiome | — |
| Completed | Investigation of the Effects of Different Levels of Obesity on the Respiratory System NCT04780828 | Istanbul Medipol University Hospital | — |
| Completed | Face-to-face Intubation in Morbidly Obese NCT04959149 | Medical University of Lodz | N/A |
| Unknown | CiNPT for Abdominoplasties in Post-bariatric Patients Study NCT04214236 | Azienda Ospedaliera, Ospedale Civile di Legnano | N/A |
| Completed | Glucose-homeostasis After Endoscopic Sleeve Gastroplasty NCT04063098 | Insel Gruppe AG, University Hospital Bern | N/A |
| Completed | Impact of Bariatric Surgery in Patients With Morbid Obesity NCT04009356 | Central Hospital, Nancy, France | — |
| Completed | Adjunct Phentermine + Topiramate After Bariatric Surgery in 12-24 Year Olds NCT04095104 | University of Colorado, Denver | Phase 2 |
| Completed | Impact of an Increased Restrictive Factor of One Anastomosis Gastric Bypass on Metabolic Outcomes Type 2 Diabe NCT06176443 | The Society of Bariatric and Metabolic Surgeons of Kazakhstan | N/A |
| Unknown | Effect of Ketogenic Diet on Peri-operative Complications of Right Laparoscopic Adrenalectomy in Obese Patients NCT05816031 | Federico II University | — |
| Completed | Stapler-less Burst Pressure in a Ex-vivo Human Gastric Tissue NCT04488042 | University of Campania Luigi Vanvitelli | N/A |
| Completed | Robotic Versus Laparoscopic Roux En-y Gastric Bypass NCT05746936 | University of Foggia | — |
| Completed | Indocyanine Green Test in Bariatric Surgery NCT05476159 | University of Foggia | — |
| Completed | Standard Sleeve Pouch Versus Relatively Wide Pouch With Plication NCT04144361 | Minia University | N/A |
| Completed | Effect Of Strength Exercise on Respiratory Parameters, and Functional Capacity in Bariatric Surgery Patients NCT04375488 | Bezmialem Vakif University | N/A |
| Completed | Performances Evaluation of New FibroScan Probes Dedicated to Morbidly Obese Patients NCT03872024 | Echosens | N/A |
| Completed | Effect of Two Different Doses of Dexmedetomidine Infusion in Morbidly Obese Patients NCT06018948 | Tanta University | Phase 4 |
| Completed | Investigation of the Relationship Between Plantar Foot Pressure and Balance in Morbidly Obese Individuals NCT05519436 | Istanbul University - Cerrahpasa | — |
| Recruiting | Long-term, Substantial Weight Loss and Insulin Regulation of Lipolysis NCT03868592 | Mayo Clinic | N/A |
| Completed | Assessment of Pouch Emptying With MRI After Roux-en-Y Gastric Bypass NCT06298162 | Rijnstate Hospital | — |
| Completed | Evaluation of Protein Intake and Micronutrient Supplementation After Bariatric Surgery NCT04587076 | University Medicine Greifswald | — |
| Unknown | Use of Electroanalgesia in Pain and Pulmonary Function. NCT04800640 | Centro Universitário Augusto Motta | N/A |
| Completed | Photographic Food Recognition and Meal Size Estimation Before and After Roux-en-Y Gastric Bypass NCT04600596 | Marco Bueter | — |
| Completed | Metabolic Effects of a Low Carbohydrate Versus a Standard Diet in Morbidly Obese With Prediabetes NCT03880162 | Insel Gruppe AG, University Hospital Bern | N/A |
| Unknown | Randomized Controlled Trial of Fecal Microbiota Transplantation in Severe Obesity NCT03273855 | University Hospital of North Norway | N/A |
| Completed | ED90 for Hyperbaric Bupivacaine in Super Obese Parturients NCT03781388 | Duke University | Phase 4 |
| Completed | Prevalence of Steatosis and Steatohepatitis in Patients Undergoing Bariatric Surgery; a Biopsy-based Study NCT06499675 | Egyptian Liver Hospital | — |
| Active Not Recruiting | Responsive Neurostimulation For Loss Of Control Eating NCT03868670 | University of Pennsylvania | N/A |
| Unknown | Effect of Automatic Recruitment Maneuver on Peroperative Lung Mechanics of Obese Laparoscopic Abdominal Surger NCT04269226 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | N/A |
| Recruiting | Change of Adipose Tissues and Triglyceride After Bariatric Surgery or Life-style Intervention NCT03875625 | Chinese University of Hong Kong | N/A |
| Unknown | Intermittent Fasting as a Means to Lose Fluid Overload and Weight in Complicated Obesity NCT04193995 | Tel-Aviv Sourasky Medical Center | N/A |
| Unknown | Effects of Morbid Obesity and Bariatric Surgery on Brain Inflammation, Insulin Resistance and Central Reward S NCT05080205 | Turku University Hospital | N/A |
| Completed | De Novo Lipogenesis in Severity of NAFLD NCT03683589 | University of Missouri-Columbia | — |
| Completed | Pre-Operative Airway Assessment of Patients With Morbid Obesity NCT04542187 | Bagcilar Training and Research Hospital | — |
| Completed | Comparative Outcomes of One-Anastomosis Gastric Bypass and Roux-en-Y Gastric Bypass As Revisional Procedures F NCT06794892 | Azienda Sanitaria Locale Napoli 2 Nord | — |
| Unknown | Omega-3 vs Very Low Calorie Diet for Liver Size Reduction NCT03132662 | McMaster University | N/A |
| Completed | Utilization of Simulated Grid (SimGrid™) Technology for the Reduction of Ionizing Radiation Dose on X-ray Exam NCT04161924 | The University of Texas Health Science Center, Houston | — |
| Unknown | Association Between Outcomes of Bariatric Surgery and Preoperative Gastrointestinal Microbiota NCT04471077 | Jagiellonian University | — |
| Completed | Ambulatory Laparoscopic Sleeve Gastrectomy NCT05106660 | King Saud University | N/A |
| Terminated | Eye Movement Testing in Patients With Obesity and the Impact of Weight Loss Surgery NCT04940429 | Stanford University | — |
| Completed | Volumetric Pouch Study After Laparoscopic Sleeve Gastrectomy NCT04880902 | Kafrelsheikh University | N/A |
| Completed | Single-anastomosis Duodeno Ileal Bypass (SADI) Versus Roux-en-Y Gastric Bypass NCT03610256 | Hospices Civils de Lyon | N/A |
| Terminated | Traxi Panniculus Retractor for Cesarean Delivery NCT03651076 | Beth Israel Deaconess Medical Center | N/A |
| Completed | Effect Of Laparoscopic Sleeve Gastrectomy on Vitamin D, Parathormone and Calcium Levels NCT05430932 | Kafrelsheikh University | N/A |
| Completed | THE EFFECT OF HELICOBACTER PYLORI ERADICATION THERAPY TO GASTRIC WALL THICKNESS BEFORE THE LAPAROSCOPIC SLEEVE NCT03757650 | Fatih Sultan Mehmet Training and Research Hospital | Phase 4 |
| Completed | Effect of an Low Carbon High Fat Diet on Pain- and Quality of Life in Patients With Lipedema NCT03710798 | Helse Nord-Trøndelag HF | N/A |
| Completed | Deep Brain Stimulation for Morbid Obesity NCT03650309 | University Health Network, Toronto | N/A |
| Recruiting | Prognostic Significance of Fatty Liver Disease in Bariatric Patients NCT03535142 | Esbjerg Hospital - University Hospital of Southern Denmark | N/A |
| Terminated | Loop Duodenal Switch: Outcomes at One Year NCT03206736 | University of Nebraska | N/A |
| Completed | Effectiveness of Dapagliflozin for Weight Loss NCT03968224 | Centro Medico Nacional Siglo XXI IMSS | Phase 2 / Phase 3 |
| Completed | Aspiration Therapy for Obese Adolescents NCT03598920 | University Hospital Ostrava | — |
| Completed | Feasibility and Preliminary Efficacy of Support Figure Attendance at Bariatric Patients' Clinical Visits NCT03642197 | Ohio State University | N/A |
| Recruiting | The Poor Responders Study NCT05404061 | Imperial College London | N/A |
| Completed | Tracheal Intubation in Morbidly Obese (BMI>35) and in Lean (BMI<30) Patients Using McGrath MAC X-Blade NCT03759990 | Kocaeli University | N/A |
| Completed | Antibiotics, Gastric Bypass, and the Microbiome NCT05367479 | Medical College of Wisconsin | Phase 1 |
| Withdrawn | Preoxygenation With Optiflow™ in Morbidly Obese Patients is Superior to Face Mask NCT03009877 | Montefiore Medical Center | N/A |
| Completed | Endoscopic Gastric Mucosal Devitalization (GMD) as a Primary Obesity Therapy NCT03526263 | Johns Hopkins University | N/A |
| Completed | Exercise Following Bariatric Surgery for Severe/Morbid Obesity (EFIBAR) NCT03497546 | Universidad de Almeria | N/A |
| Completed | Effect of Weight Loss Surgery on Stem Cells. NCT04132531 | Unity Health Toronto | — |
| Completed | Impact of Decision Aids on Bariatric Surgery Choice NCT03578211 | Taipei Medical University Shuang Ho Hospital | N/A |
| Unknown | Study to Evaluate Effectiveness of a Weight Loss Program in Obese Patients During 3 Months Prior to Bariatric NCT03530566 | Protein Supplies SL | — |
| Completed | Contributing Factors in the Pathobiology of Airway Remodeling in Obesity NCT03115632 | Duke University | — |
| Recruiting | Bone Health After Bariatric Surgery in Patients With Type 2 Diabetes NCT03455868 | CHU de Quebec-Universite Laval | — |
| Completed | Investigation of Microbiome-based Prognostical Biomarkers in Patients With Morbid Obesity and Bariatric Surger NCT03391401 | St. Franziskus Hospital | — |
| Terminated | 3D Ultrasound-guided Labor Epidural Analgesia in the Morbid Obese Parturient NCT03405311 | The University of Texas Medical Branch, Galveston | N/A |
| Completed | Preoperative Ultrasound as a Predictor for Difficulty in Bariatric Surgery NCT03486691 | Minia University | N/A |
| Completed | Microstructural Analysis of Ingestive Behavior After Roux-en-Y Gastric Bypass - Pilot NCT03747445 | Marco Bueter | — |
| Unknown | FAECAL MICROBIOTA TRANSPLANTATION IN OBESITY NCT03391817 | Joint Authority for Päijät-Häme Social and Health Care | N/A |
| Completed | Development of a Weight Maintenance Intervention for Bariatric Surgery Patients NCT03246672 | VA Office of Research and Development | N/A |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Ramipril NCT03440177 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Chlorprothixene NCT03449485 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Apixaban NCT03448783 | Norwegian University of Science and Technology | — |
| Completed | Bariatric Surgery and Pharmacokinetics of Methylphenidate NCT03440190 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Quetiapine NCT03449472 | Norwegian University of Science and Technology | — |
| Completed | "Tailored" Bilio-Pancreatic Limb Length and Weight Loss After Mini-Gastric Bypass NCT04440306 | Kular Hospital | — |
| Completed | Long-term Follow-up After OAGB NCT07125638 | Azienda Sanitaria Locale Napoli 2 Nord | — |
| Unknown | Approach Modification for Total Knee Arthroplasty in Morbidly Obese Patients NCT05840705 | Ain Shams University | N/A |
| Unknown | vBloc Now - Registry NCT03434522 | ReShape Lifesciences | — |
| Completed | Intravenous Access Using Infrared Laser NCT03555864 | Centre Hospitalier Universitaire de Nīmes | — |
| Completed | Transit Bipartition After Sleeve Gastrectomy NCT04782648 | Ruhr University of Bochum | — |
| Unknown | The Effects of the Laparoscopic Roux-en-Y Gastric Bypass and Laparoscopic Mini Gastric Bypass on the Remission NCT03330756 | Slotervaart Hospital | N/A |
| Terminated | Modeling the Neurological Basis and Characterizing the Neurological Phenotype of Obesity Using Human Neural St NCT03263390 | University of California, San Diego | — |
| Terminated | Use of Negative Pressure Wound Therapy in Morbidly Obese Women After Cesarean Delivery NCT03269968 | Medstar Health Research Institute | N/A |
| Completed | Sleeve Versus Bypass in Older Patients: a Randomized Controlled Trial NCT03339791 | University of Sao Paulo General Hospital | N/A |
| Unknown | Pancreatic Exocrine Insufficiency After Bariatric Surgery NCT03279653 | Umraniye Education and Research Hospital | — |
| Completed | Do Change in Life Style Improve Work Ability? NCT03286374 | Molde University College | N/A |
| Unknown | The ReNEW Study: Maestro® New Enrollment Post-Approval Study Protocol NCT03145636 | ReShape Lifesciences | N/A |
| Completed | Adipose Tissue Inflammation in Individuals Undergoing Bariatric Surgery NCT03419273 | University of Missouri-Columbia | — |
| Unknown | The Effect of Timing of Intravenous Paracetamol Administration on Post-surgical Pain NCT03221998 | Soroka University Medical Center | EARLY_Phase 1 |
| Completed | Residual Gastric Area and Weight Loss After Sleeve Gastrectomy NCT05151107 | University of Foggia | — |
| Completed | Effects of Dietary Intervention and Surgery on NAFLD (Non-Alcoholic Fatty Liver Disease) NCT03186859 | University of Oxford | N/A |
| Completed | Obesity and Health-related Quality of Life in Patients Receiving Bariatric Surgery in the UK NCT06324526 | Imperial College London | — |
| Completed | Body Image and Sexuality After Bariatric Surgery NCT04364841 | Mersin University | — |
| Unknown | Use of Impedance Cardiography to Decrease the Risk of Pre-eclampsia in Obese Patients NCT03105661 | University of Tennessee Graduate School of Medicine | EARLY_Phase 1 |
| Active Not Recruiting | Mindfulness Based Eating Awareness Training for Bariatric Surgery Patients NCT03488966 | University Health Network, Toronto | N/A |
| Unknown | The Influence of Significant Weight Lost on the Quality of Voice NCT03070808 | Kaplan Medical Center | — |
| Completed | Optical Trocar to Create the Pneumoperitoneum in Bariatric Patients NCT06207357 | University of Foggia | — |
| Completed | Prophylactic Use of Noninvasive Ventilation in the Postoperative Period of Bariatric Surgery NCT04805476 | Hospital de Clinicas de Porto Alegre | N/A |
| Completed | Stool Transplantation for Treatment of Insulin Resistance in Morbidly Obese Patients NCT02970877 | Johane Allard | Phase 2 |
| Completed | The Lowering Weight in Severe Obesity by Embolization of the Gastric Artery Trial NCT03185949 | Endobar Solutions LLC | N/A |
| Completed | Treatment of Periodontitis in Obese Individuals NCT03103204 | University of Taubate | Phase 4 |
| Completed | Single Anastomosis Sleeve Jejunal Bypass as a Revisional Bariatric Procedure NCT05269420 | Minia University | N/A |
| Completed | Home-based Resistance Training for Adults With Severe Obesity NCT03900962 | University of Hull | N/A |
| Active Not Recruiting | Standard Versus "Single Loop" Bypass After Parietal Gastrectomy NCT07115836 | Laval University | N/A |
| Completed | The Effect of Drain Use on Patient Comfort in Laparoscopic Sleeve Gastrectomy NCT04333979 | Inonu University | N/A |
| Completed | Effect of Drainage on Laparoscopic Gastric Bypass Surgery NCT03231423 | Inonu University | N/A |
| Completed | Comparison of Stapler Line Bleeding Control Techniquessurgery NCT03240367 | Ersin Gündoğan | N/A |
| Completed | Efficacy of Vitamin D Supplementation in Obese Children NCT02956408 | Columbia University | N/A |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Hydrochlorothiazide NCT03476551 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Escitalopram NCT03460379 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Lamotrigine NCT03497143 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Enalapril NCT03460366 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Losartan NCT03519893 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Lercanidipine NCT03497156 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Candesartan NCT03460327 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Metoprolol NCT03519906 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Gabapentin NCT03476538 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Venlafaxine NCT03532477 | Norwegian University of Science and Technology | — |
| Completed | Bariatric Surgery and Pharmacokinetics of Atomoxetine NCT03460210 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Paracetamol NCT03538457 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Ibuprofen NCT03476577 | Norwegian University of Science and Technology | — |
| Completed | Bariatric Surgery and Pharmacokinetics of Dexamphetamine NCT03460353 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Buprenorphine NCT03460314 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Fluoxetine NCT03476525 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Valsartan NCT03535376 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Irbesartan NCT03476603 | Norwegian University of Science and Technology | — |
| Completed | Bariatric Surgery and Pharmacokinetics of Lisdexamphetamine NCT03497169 | Norwegian University of Science and Technology | — |
| Recruiting | Bariatric Surgery and Pharmacokinetics of Amlodipine NCT02904291 | Norwegian University of Science and Technology | — |
| Completed | Evaluation of the Effectiveness of a Comprehensive Visceral Adiposity-Focused Anti-Obesity Program NCT04807959 | 20Lighter | — |
| Completed | Gastric Plication in Mexican Patients NCT03210207 | Instituto Mexicano del Seguro Social | — |
| Unknown | Korean OBEsity Surgical Treatment Study NCT03100292 | Seoul National University Bundang Hospital | N/A |
| Unknown | Common Limb Length in One-anastomosis Gastric Bypass NCT04357119 | Mansoura University | N/A |
| Unknown | May Preoperative Waist to Height Ratio Predict Postoperative Weight Loss in Bariatric Patients? NCT02996071 | Bezmialem Vakif University | N/A |
| Completed | Physiological Effects of Gastric Sleeve Operation NCT03046186 | Hvidovre University Hospital | — |
| Completed | Health-connected Devices and Physical Activity Recovery in Bariatric Surgery Patients NCT02716480 | My Goodlife SAS | N/A |
| Completed | Pilot Study of an Intervention Involving Cognitive Training and tDCS in Morbidly Obese Subjects NCT03943979 | Parc de Salut Mar | Phase 2 |
| Completed | Comparisons of iv Ibuprofen and iv Paracetamol During Bariatric Surgery NCT02778958 | Inonu University | Phase 4 |
| Completed | Body Mass Index and Obesity Surgery Mortality Risk Score in Perioperative Complications of Laparoscopic Sleeve NCT04427644 | Kahramanmaras Sutcu Imam University | — |
| Completed | The Role of Extended Antral Resection on Weight Loss and Metabolic Response After Sleeve Gastrectomy NCT04109664 | Kocaeli Derince Education and Research Hospital | — |
| Completed | EPO2-A: Evaluation of Pre-Oxygenation in Morbid Obesity: Effect of Position and Positive Pressure Ventilation NCT02590406 | Laval University | N/A |
| Completed | Effectiveness of the Mediterranean Diet on Weight Loss After Endoscopic Bariatric Treatmen NCT04738656 | Universitat Politècnica de Catalunya | — |
| Completed | The Effect of Postoperative Incentive Spirometry on Pulmonary Function and Pulmonary Complications in Bariatri NCT02431455 | Lahey Clinic | N/A |
| Completed | The Effect of High Protein Diets on Weight Loss and Lean Muscle Mass in Patients Awaiting Bariatric Surgery NCT02631707 | University of Auckland, New Zealand | N/A |
| Recruiting | BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment NCT03152617 | Göteborg University | — |
| Completed | Obstructive Sleep Apnea in Pregnancy NCT02383706 | Duke University | — |
| Completed | Effect of RYGB on Alpha- and Beta Cell Function and Sensitivity to Incretins in Patients With Type 2 Diabetes NCT04782999 | Hvidovre University Hospital | N/A |
| Completed | TROCAR SITE HERNIA AFTER LSG NCT04849403 | Fatih Sultan Mehmet Training and Research Hospital | N/A |
| Completed | The Endocrine Secretome After Gastric Bypass Surgery NCT03093298 | Filip Krag Knop | N/A |
| Completed | Endoscopic Complications After Gastric Bypass NCT03532646 | Sana Klinikum Offenbach | N/A |