| Recruiting | Stepwise PEEP vs Sustained Inflation in Bariatric Surgery Patients NCT07525232 | Ain Shams University | N/A |
| Not Yet Recruiting | Autonomic Neural Blockade in Bariatric Surgery NCT07104825 | Endeavor Health | N/A |
| Not Yet Recruiting | Xpan Non-Inferiority Study NCT07385690 | West Virginia University | N/A |
| Not Yet Recruiting | Halitosis, Sleep and Mental Health in Bariatric Surgery Candidates NCT07175142 | University of Nove de Julho | — |
| Not Yet Recruiting | Efficacy of a Mobile Application and Semi-attendance Program in Bariatric Surgery NCT06163235 | Parc de Salut Mar | N/A |
| Recruiting | Exercise, Brain Activity, and Weight Maintenance NCT06511310 | Joslin Diabetes Center | N/A |
| Recruiting | Persistent Organic Pollutants and Mechanical Discharge: Limiting the Impact of Bariatric Surgery Through Perso NCT06597617 | Centre Hospitalier Universitaire de Nice | N/A |
| Recruiting | Exploratory Evaluation of the Effect of Cholestyramine on Serum Levels of POPs in Obese Female Patients NCT05966727 | Centre Hospitalier Universitaire de Nice | N/A |
| Recruiting | Effect of Patient Education on Drinking Behaviour and Oral Hygiene in Patients Undergoing Bariatric Surgery NCT06617689 | St. Olavs Hospital | N/A |
| Not Yet Recruiting | Exploring the Effects of Obesity and Bariatric Surgery on the Brain Using Magnetic Resonance Imaging NCT06708117 | National Taiwan University Hospital | — |
| Recruiting | Modulation of the Inflammatory Response in Bariatric Surgery NCT06915558 | Hospital HM Nou Delfos | — |
| Completed | Difficult Airway in the Bariatric Patient: The BARINTUBE Cohort Study NCT06592313 | : Manuel Alberto Guerrero Gutierrez | — |
| Not Yet Recruiting | Antibiotic Prophylaxis in Metabolic Bariatric Surgery NCT06510452 | General Committee of Teaching Hospitals and Institutes, Egypt | N/A |
| Recruiting | Rivaroxaban Versus Enoxaparin for Prophylaxis of Venous Thromboembolism in Bariatric Surgery NCT06689241 | Alexandria University | N/A |
| Recruiting | Effects of Assisted Robotic vs Laparoscopic Sleeve Gastrectomy NCT06425016 | Ricard Corcelles | N/A |
| Completed | the Use of Tranexamic Acid to Prevent the Bleeding in Bariatric Surgery NCT07187258 | Cairo University | Phase 4 |
| Recruiting | Ultrasonography Guided Pneumoperitoneum for Laparoscopic Surgery in Morbidly Obese Patients NCT06413264 | All India Institute of Medical Sciences, Bhubaneswar | N/A |
| Recruiting | Compliance With Standard Care vs Ready to Eat Meals Prior to Bariatric Surgery NCT06461247 | National University Hospital, Singapore | N/A |
| Withdrawn | Exercise Training Study Before Bariatric Surgery NCT06274606 | University of Virginia | N/A |
| Not Yet Recruiting | Extended Pouch Gastric Bypass vs One-anastomosis Gastric Bypass in Patients With BMI≥45 NCT06204939 | L. van Hogezand | N/A |
| Completed | Risk of Revision Following Knee Arthroplasty in Bariatric Surgery Patients NCT06433700 | Bispebjerg Hospital | — |
| Completed | Pre- and Postoperative Apnea-Hypopnea Index After Same-Day Discharge Bariatric Surgery NCT06452784 | Rijnstate Hospital | — |
| Completed | Safety and Feasibility of Liver Retraction With the Levita Magnetic Surgical System: Extended Magnetic Grasper NCT06432088 | Levita Magnetics | N/A |
| Recruiting | Metabolic Effects of Endogenous Bile Acids After Gastric Bypass Surgery NCT06925997 | Hvidovre University Hospital | EARLY_Phase 1 |
| Not Yet Recruiting | Impact of Bariatric Surgery on Heart Disease Compared to Standard Care NCT06346145 | Danderyd Hospital | N/A |
| Recruiting | RemI for Post-Bariatric Surgery Weight Regain NCT06292936 | Temple University | N/A |
| Completed | Comparison of Apnea-Hypopnea Index in Patients With or Without Preventive Oxygen Therapy After Bariatric Surge NCT06432933 | Rijnstate Hospital | N/A |
| Recruiting | Early Postoperative Complications in Patients Undergoing Bariatric Surgery NCT06372912 | Instituto Mexicano del Seguro Social | — |
| Recruiting | Conventional Vs Tailored Limb Lengths in Laparoscopic Roux-en Y Gastric Bypass Surgery NCT06756789 | GEM Hospital & Research Center | N/A |
| Recruiting | Genetic Susceptibility to Predict Weight Loss After Bariatric Surgery NCT06226194 | Institut de Recerca Biomèdica de Lleida | — |
| Active Not Recruiting | Impact of the Use of VERT on Body Image After Bariatric Surgery NCT05460104 | University Hospital, Bordeaux | N/A |
| Withdrawn | Pharmacokinetics and Pharmacodynamics of Edoxaban Before and After Bariatric Surgery NCT06326138 | Institut universitaire de cardiologie et de pneumologie de Québec, University Laval | Phase 1 |
| Unknown | Clinical-functional Effects of Bariatric Surgery on the Musculoskeletal System in Relation to Bone Turnover. NCT06299085 | I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio | N/A |
| Active Not Recruiting | Effect of Incentive Spirometry on Post-operative Pulmonary Complications After Bariatric Surgery NCT06756555 | Superior University | — |
| Recruiting | Postoperative Anemia After Bariatric Surgery NCT06198790 | China-Japan Friendship Hospital | — |
| Unknown | ViSiGi LUX Bariatric Sizing and Calibration System NCT06282094 | Boehringer Labs LLC | — |
| Unknown | Symbiotic Use in Post-Bariatric Surgery Patients NCT06252558 | University of North Florida | N/A |
| Recruiting | Total Small Bowel Length Measurement Using Computed Tomography and Magnetic Resonance Imaging in Obese Patient NCT06065917 | University of Roma La Sapienza | N/A |
| Unknown | The NURLIFE Program for the Management of Bariatric Surgery Patients NCT06020105 | University of Évora | N/A |
| Completed | Metabolomics and Bariatric Surgery in Patients With Metabolically Unhealthy Obesity NCT06297928 | Parc de Salut Mar | — |
| Unknown | Probiotics for Gallstones in Post-bariatric Surgery Patients NCT06287931 | Shandong Linglong Yingcheng Hospital | N/A |
| Unknown | Short Term Outcome of Metabolic Associated Fatty Liver Disease (MAFLD) in Patients Undergoing Bariatric Surger NCT06180928 | Assiut University | — |
| Recruiting | The Causal Effect of Bariatric Surgery on Cardiovascular Disease and Mortality NCT06420479 | Karolinska Institutet | — |
| Recruiting | Evaluation of the Implementation of a Diet Workshop on the 15th Postoperative Day Following Bariatric Surgery NCT05695040 | University Hospital, Clermont-Ferrand | N/A |
| Recruiting | EOI Block Versus ESP Block in Laparoscopic Bariatric Surgery NCT06168903 | Cairo University | N/A |
| Not Yet Recruiting | Using Digitalized Incentive Spirometers to Assist Postoperative Rehabilitation of Abdominal Surgery Patients NCT06132100 | Taipei Medical University Shuang Ho Hospital | N/A |
| Unknown | MOOC Applications Related to Shared Decision Making in Bariatric Surgery NCT06104137 | South Tyneside and Sunderland NHS Foundation Trust | N/A |
| Recruiting | Chronic Widespread Pain After Rapid Weight Loss in Non-Hispanic Black and Hispanic/Latino/a/x Adults NCT06795386 | New York University | — |
| Recruiting | NUTritional Impact of a Hypocaloric Hyperprotein Diet Before Obesity Surgery NCT04942093 | University Hospital, Rouen | N/A |
| Recruiting | Effect of Individualized PEEP on Postoperative Pulmonary Complication in Bariatrics NCT06168162 | Ain Shams University | N/A |
| Withdrawn | Intraoperative Methadone for Postoperative Pain Control NCT05845359 | Montefiore Medical Center | Phase 4 |
| Terminated | Bariatric Education for Women With Obesity and Endometrial Cancer NCT05396794 | University of Oklahoma | — |
| Enrolling By Invitation | Diabetes Remission and Hypoabsorptive Bariatric Surgery NCT06043245 | Hospital Universitari de Bellvitge | N/A |
| Recruiting | The Effect of Exercise in Patients Awaiting Bariatric Surgery NCT05235945 | University College, London | N/A |
| Unknown | The Effect of the Care Bundle to be Applied to Obesity Surgery Patients on Surgical Site Infection and Patient NCT05930639 | Malatya Turgut Ozal University | N/A |
| Recruiting | Protein Digestion After Bariatric Surgery in Older Adults NCT06076187 | Universitaire Ziekenhuizen KU Leuven | — |
| Unknown | ZYNRELEF® for Postoperative Analgesia After Laparoscopic Sleeve Gastrectomy NCT05863221 | Dr. Yannis Raftopoulos | Phase 4 |
| Unknown | Magnesium Sulfate in Bariatric Surgery NCT05843812 | Instituto Mexicano del Seguro Social | — |
| Unknown | Intravenous Ibuprofen Versus Ketorolac in Bariatric Surgery NCT05801900 | Cairo University | N/A |
| Recruiting | Bariatric Surgery Observation Study Part 2 NCT05743166 | St. Olavs Hospital | — |
| Completed | Reducing Alcohol Use Post-Bariatric Surgery NCT04788316 | Henry Ford Health System | N/A |
| Unknown | Use of Mysimba in Patients With Weight Regain After Bariatric Surgery NCT04902625 | Zuyderland Medisch Centrum | Phase 4 |
| Recruiting | Conversion to SADI-S, RYGB or OAGB After Failed Sleeve NCT05608772 | General Committee of Teaching Hospitals and Institutes, Egypt | N/A |
| Unknown | A Comparison of Two Regional Techniques for Bariatric Sleeve Gastrectomy NCT05839704 | University College Hospital Galway | N/A |
| Recruiting | Bariatric Surgery and Exercise Interventions: Effects on Muscle NCT05569785 | University of Nottingham | N/A |
| Completed | Fiber Supplementation After Bariatric Surgery NCT05653648 | Dartmouth-Hitchcock Medical Center | N/A |
| Completed | Effect of High Versus Low Fraction of Inspired Oxygen During Alveolar Recruitment NCT06494410 | Egymedicalpedia | N/A |
| Completed | Liposomal Bupivacaine for Post-operative Pain Control in Adolescent Bariatric Patients NCT06077214 | Virginia Commonwealth University | Phase 1 |
| Recruiting | GI Oxalate Absorption NCT05356000 | University of Chicago | N/A |
| Recruiting | Predictors of Weight Loss and Metabolic Health After Bariatric Surgery NCT05987631 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | — |
| Completed | Safety and Feasibility of the Use of the Dual Robotic Arm Accessory With the Levita Magnetic Surgical System i NCT05695989 | Levita Magnetics | N/A |
| Unknown | The Effect of Progressive Relaxation Exercises on Bariatric Surgery Period NCT05591898 | Başakşehir Çam & Sakura City Hospital | N/A |
| Unknown | Evaluation of the Stress Response in Bariatric Surgery With and Without the Use of Opioids NCT05752799 | G.Gennimatas General 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 |
| Withdrawn | Medical and Medico-economic Evaluation Comparing the Follow-up of Patients Undergoing Bariatric Surgery NCT05176587 | Elsan | — |
| Completed | Transversus Abdominis Plane (TAP) Block Using Liposomal Bupivacaine in Metabolic and Bariatric Surgery Patient NCT05537883 | Wake Forest University Health Sciences | Phase 1 |
| Completed | Inspiratory Muscle Training and Pulmonary Function in Patients Submitted to Bariatric Surgery NCT05575089 | Universidade Cidade de Sao Paulo | N/A |
| Recruiting | BariaPSY: the Data Bank NCT05602805 | Laval University | — |
| Completed | Effects of Alveolar Recruitment Strategies on Arterial Oxygenation and Postoperative Inflammatory Response Dur NCT05960071 | Alexandria University | N/A |
| Completed | Efficacy of External Oblique Intercostal Block in Laparoscopic Bariatric Surgery NCT05592522 | Al Mashfa Medical Center | N/A |
| Unknown | Tele-BARICARE to Manage COVID-19-Related Distress NCT05258578 | University Health Network, Toronto | N/A |
| Recruiting | Use of Very Low Calorie Diet Preoperatively to Bariatric Surgery NCT05291741 | Aarhus University Hospital | N/A |
| Unknown | The Influence of Having Bariatric Surgery on the Pharmacokinetics, Safety and Efficacy of the Novel Non-nucleo NCT05536466 | Radboud University Medical Center | N/A |
| Terminated | Comparison of the Sleeve Gastrectomy Technique With a Nissen Fundoplication Added to the Conventional Sleeve G NCT04626232 | University Hospital, Montpellier | N/A |
| Recruiting | CV Imaging of Metabolic Interventions NCT05650307 | The Cleveland Clinic | — |
| Unknown | Perioperative Evaluation of Glucose Profile Using Continuous Glucose Monitoring System in Glucose Intolerant P NCT04343040 | University Hospital, Lille | N/A |
| Recruiting | Ketogenic Diet Prior to Bariatric Surgery NCT06850493 | Maxima Medical Center | N/A |
| Unknown | Effect of Protein Supplementation on Fat Free Mass Preservation After Bariatric Surgery NCT05570474 | Maasstad Hospital | N/A |
| Unknown | Minfulness-Based Training Program in Bariatric Surgery Patients NCT05992662 | Akdeniz University | N/A |
| Unknown | Impacts of Bariatric Surgery on the Microbiome and Brain Function NCT05318781 | Centre Integre Universitaire de Sante et Services Sociaux du Nord de l'ile de Montreal | — |
| Suspended | The Effect of Mobile Health-Education Application on Healthy Lifestyle Behaviors in Patients Planned for Baria NCT05428059 | Cukurova University | N/A |
| Unknown | Virtual Reality and 3D Reconstruction in Body Image and Bariatrics NCT05273515 | Imperial College London | N/A |
| Enrolling By Invitation | Dietary Sugar Absorptive Phenotype for Prediction of Weight Loss Outcome NCT05408728 | Mayo Clinic | — |
| Enrolling By Invitation | Endoscopic Metabolic and Bariatric Therapies NCT05725967 | Christopher C. Thompson, MD, MSc | — |
| Unknown | Efficiency of Using Argon Plasma Coagulation in Weight Regain in Patients Following Gastric Bypass NCT05149105 | Saint-Gregoire Private Hospital Center | N/A |
| Completed | Effects of Bariatric Surgery on Different Compositions of Trunk Fat and Mechanisms NCT05387382 | The Third Xiangya Hospital of Central South University | — |
| Completed | Comparative Analysis of da Vinci-Assisted and Laparoscopic Duodenal Switch Bariatric Surgical Procedures NCT05575947 | Intuitive Surgical | — |
| Withdrawn | Multi-Strategy Intervention for Anesthesia Care of Obese Patients A Factorial Randomized Controlled Trial NCT05016076 | YingHsuanTai | N/A |
| Recruiting | Crural Repair During Laparoscopic Sleeve Gastrectomy in Patients With a Lax Gastroesophageal Junction NCT05330910 | Sengkang General Hospital | N/A |
| Active Not Recruiting | Postoperative VR for Recovery After Bariatric Surgery NCT04754165 | Beth Israel Deaconess Medical Center | N/A |
| Completed | Lifestyle Improvement for Teens With Bariatric Surgery NCT05393570 | The University of Texas Health Science Center, Houston | N/A |
| Completed | Home Hospital for Bariatric Sleeve Gastrectomy NCT05259111 | Brigham and Women's Hospital | N/A |
| Completed | Nutritional Status After Sleeve Gastrectomy in Morbid Obesity: 6-Month Study NCT06368232 | Ankara Yildirim Beyazıt University | — |
| Completed | Comparison of the Effect of Traditional Method and Eras Protocol in Obesity Surgery NCT05790317 | Bahçeşehir University | N/A |
| Unknown | Effect of Opioid Free Versus Opioid-Based Anesthesia on Cerebral Oximetry In Gastric Sleeve Operation NCT05146232 | Tanta University | N/A |
| Unknown | Effects of Recruitment Manouever on Oxygenation, Oxygen Reserve Index and Postoperative Pulmonary Complication NCT05705245 | Balikesir University | — |
| Terminated | Feasibility and Safety of Robotic Bariatric Surgery Using the SenhanceTM Surgical System NCT05208138 | Insel Gruppe AG, University Hospital Bern | Phase 2 |
| Completed | The Importance of Ghrelin for Glucose Metabolism After Sleeve Gastrectomy NCT05189353 | Hvidovre University Hospital | N/A |
| Completed | Quality Assessment of Orotracheal Intubation Without Neuromuscular Blocking Agents in Obese Patients NCT05026125 | University Hospital, Toulouse | Phase 4 |
| Completed | Portal Hypetension and Bariatric Surgery (BARIAPORTAL) NCT05653115 | Centre Hospitalier Universitaire de Nice | — |
| Completed | REduced Pain After Bariatric Surgery - Sleeve Gastrectomy NCT06383234 | Fondazione Policlinico Universitario Campus Bio-Medico | N/A |
| Completed | REduced Pain After Bariatric Surgery - Gastric Bypass NCT06614257 | Fondazione Policlinico Universitario Campus Bio-Medico | N/A |
| Completed | Bariatric Surgery and Patient Education NCT06309108 | Istanbul University - Cerrahpasa | N/A |
| Completed | Effects of Low-Flow and Standard-Flow Sevoflurane Anesthesia on Inflammatory Markers in Bariatric Surgery NCT07230704 | Adana City Training and Research Hospital | — |
| Enrolling By Invitation | Cognitive Impairment, Obesity, and the Effects of Bariatric Surgery NCT05215886 | University of California, Davis | — |
| Completed | Suture Reinforcement to Reduce the Leak Rate After Sleeve Gastrectomy NCT05987787 | University of Foggia | — |
| Recruiting | Comparing 150cm OAGB With 150cm Biliopancreatic Limb RYGB. A Non-inferiority Trial NCT04852198 | Flevoziekenhuis | N/A |
| Unknown | Trends and Safety in Revisional Bariatric Surgery in Italy NCT05194943 | University of Roma La Sapienza | — |
| Completed | Impact Of Post-Bariatric Body Contouring Procedures on Patient Body Weight and Metabolism NCT05034081 | Assiut University | N/A |
| Unknown | Effects of Physical Exercise on Sarcopenia After Bariatric Surgery NCT05289219 | University of Évora | N/A |
| Withdrawn | Intravenous Lidocaine for Post-Operative Pain Control in Patients Undergoing Bariatric Bowel Surgery NCT03095404 | McMaster University | EARLY_Phase 1 |
| Active Not Recruiting | Fibrosis Reduction in Non Alcoholic Steatohepatitis NCT05798702 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Recruiting | Gut Microbiota in Metabolic Surgery NCT05000996 | Vanderbilt University Medical Center | — |
| Completed | Paragastric Autonomic Blockade to Prevent Visceral Pain After Laparoscopic Sleeve Gastrectomy NCT05353426 | Universidad Simón Bolívar | N/A |
| Unknown | The Effect of Probiotics on Systemic Inflammation and Metabolic Endotoxemia in Patients Undergoing Bariatric S NCT05407090 | Medical University of Gdansk | N/A |
| Recruiting | Metabolic Effects of Bariatric Arterial Embolization vs Bariatric Surgery NCT05859022 | Universidade Nova de Lisboa | N/A |
| Completed | Eating Mindfully to Prevent Weight Regain NCT04847843 | University of Utah | N/A |
| Recruiting | Magnetic System in Bariatric and General Surgery NCT04944810 | Unidad Internacional de Cirugia Bariatrica y Metabolica | — |
| Unknown | Nissen Sleeve by Single Port With Magnetic Assistance NCT04931706 | Unidad Internacional de Cirugia Bariatrica y Metabolica | — |
| Recruiting | 9-Step Magnetic Bariatric Revisional Surgery NCT04945304 | Unidad Internacional de Cirugia Bariatrica y Metabolica | — |
| Completed | Clinical Evaluation of the Levita Robotic Platform NCT05353777 | Levita Magnetics | N/A |
| Recruiting | Bariatric Surgery for Fertility-Sparing Treatment of Atypical Hyperplasia and Grade 1 Cancer of the Endometriu NCT04008563 | University Health Network, Toronto | N/A |
| Completed | Trajectories of Resilience and Bariatric Surgery Outcomes NCT05341414 | Central Hospital, Nancy, France | — |
| Active Not Recruiting | BE Smart - Bariatric Patient - Empowerment in the Preparation and Follow-up of Bariatric Surgery Using the Sma NCT06061406 | Wuerzburg University Hospital | N/A |
| Unknown | Gut Permeability and Bariatric-metabolic Surgery NCT05257200 | Medical University of Vienna | — |
| Unknown | Weight Regain After Bariatric Surgery and Web-Based Interactive Nurse Support Program: Mixed Methods Research NCT04868279 | Cumhuriyet University | N/A |
| Unknown | Mucosal Impedance Sleeve Gastrectomy NCT04166461 | MetroHealth Medical Center | — |
| Completed | Role of the Liver in Glucose Homeostasis Using Metabolic Imaging NCT04352738 | Insel Gruppe AG, University Hospital Bern | — |
| Terminated | Mitochondrial Oxygraphy on Subcutaneous and Peri-visceral Adipose Tissue: Influence of Body Composition NCT05417581 | University Hospital, Clermont-Ferrand | N/A |
| Completed | Analgesia Management in Bariatric Surgery NCT04836819 | Ondokuz Mayıs University | N/A |
| Unknown | Direct Measurement of Food Intake Behaviour in Obese Women Before and After Bariatric Surgery or Lifestyle Int NCT04990947 | Rijnstate Hospital | — |
| Completed | Effects of Ondansetron, Metoclopramide and Granisetron on Perioperative Nausea and Vomiting in Patients Underg NCT05087615 | Shahid Beheshti University of Medical Sciences | Phase 3 |
| Withdrawn | Effects of Bariatric Surgery on Breast Density Improvement and Impact on Breast Cancer Risk in Severe Obese Pa NCT04170335 | The Cleveland Clinic | — |
| Completed | Postbariatric EArly Discharge Controlled by Healthdot NCT04754893 | Philips Electronics Nederland B.V. acting through Philips CTO organization | N/A |
| Active Not Recruiting | Multimodal Analgesia Effect on Post Surgical Patient NCT04240626 | University of California, Davis | Phase 4 |
| Completed | The Effect of Adding Smartphone-based Platform to the Bariatric Surgery Preparation Process NCT04451499 | Assuta Medical Center | N/A |
| Active Not Recruiting | Testosterone in Bariatric Patients NCT03721497 | Esbjerg Hospital - University Hospital of Southern Denmark | Phase 4 |
| Unknown | Long Term Effect of Bariatric Surgery on Pelvic Floor Disorders NCT04575987 | Poitiers University Hospital | — |
| Completed | Effect of Protein Supplementation and a Structured Exercise Program on Muscle in Women After Bariatric Surgery NCT04771377 | Hospital Clinic of Barcelona | N/A |
| Unknown | Prevention of Postoperative Nausea and Vomiting After Bariatric Surgery NCT04644445 | Thomas Jefferson University | N/A |
| Recruiting | Bariatric Surgery for the Reduction of cArdioVascular Events Randomized Controlled Trial NCT05531474 | Population Health Research Institute | N/A |
| Completed | OAGB-MGB Conversions for Post-operative Complications NCT04641715 | Federico II University | — |
| Suspended | Perioperative Systemic Lidocaine for Enhanced Bowel Recovery After Bariatric Surgery NCT02607488 | Mansoura University | Phase 1 / Phase 2 |
| Completed | Prospective Robotic-assisted Revisional Bariatric Study NCT04506190 | Intuitive Surgical | — |
| Recruiting | Gut Microbiome and Sex as Risk Factors for Kidney Stones After Bariatric Surgery NCT04590690 | University of Chicago | N/A |
| Unknown | Effects of Technology-based Physical Activity Interventions for Women After Bariatric Surgery NCT04478331 | Pr Fabienne d'Arripe-Longueville | 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 |
| Completed | Healthy Body, Healthy Bones After Bariatric Surgery Trial NCT04279392 | University of Nebraska | Phase 1 / Phase 2 |
| Completed | Denosumab to Prevent High-Turnover Bone Loss After Bariatric Surgery NCT04087096 | Massachusetts General Hospital | Phase 4 |
| Completed | Erector Spinae Block Versus Transversus Abdominis Plane Block In Laparoscopic Bariatric Surgery NCT04417179 | Cairo University | N/A |
| Active Not Recruiting | Non-randomized Prospective Comparison Between SASI Bipartition and RYGB NCT04469712 | Aleris Hospital | — |
| Unknown | Obesity Surgery During 2020 Italian Pandemic NCT04480034 | University of Roma La Sapienza | — |
| Completed | Evaluation of Bariatric Surgery Patients Before and After Sleeve Gastrectomy in Terms of Nutritional Status NCT05690139 | Eastern Mediterranean University | — |
| Unknown | PPI Therapy Impact on GERD After Sleeve Gastrectomy NCT04400136 | University of Roma La Sapienza | EARLY_Phase 1 |
| Unknown | The Metabolic Impact of Bariatric Surgery Compared to Best Diabetic Care on Manitoba's Urban Indigenous Popula NCT03301545 | University of Manitoba | N/A |
| Unknown | Quality of Life After Bariatric Surgery NCT04524429 | University of Adelaide | — |
| Completed | A Study to Compare Two Techniques for Pain Control After Bariatric Surgery NCT04427059 | Fabio Garofalo | N/A |
| Completed | The Effects of Non-surgical Periodontal Therapy in Patients Indicated for Bariatric Surgery NCT04653714 | University of Ljubljana | N/A |
| Completed | Impact of Social Distancing on Bariatric Versus Non-Surgical Obese Patients During COVID-19 Pandemic NCT04633941 | Singapore General Hospital | — |
| Unknown | Bariatric Surgery and Male Reproductive Function NCT04237311 | The Third Xiangya Hospital of Central South University | — |
| Recruiting | Effectiveness of Bariatric Surgery for NAFLD/NASH NCT04366999 | Beijing Friendship Hospital | — |
| Completed | Retrospective Comparison of Lap and Robotic-Assisted RYGB and SG NCT04329780 | Intuitive Surgical | — |
| Unknown | Place of Connected Tools in Bariatric Patients Follow-up. NCT04847037 | Elsan | N/A |
| Completed | Outpatient Clinic in Obesity Care During COVID-19 Outbreak: Physically Far, Virtually Near NCT04407663 | University of Campania Luigi Vanvitelli | — |
| Withdrawn | Glycemic Index Variations In the Early Period Following Bariatric Surgery NCT04263168 | Sheba Medical Center | N/A |
| Completed | Bone Fragility Evaluation in Obese Patients NCT04174495 | Central Hospital, Nancy, France | — |
| Terminated | Surgical Weight Loss and Alcohol Perception NCT04299373 | University of Missouri-Columbia | EARLY_Phase 1 |
| Completed | Respiratory Physiotherapy in Type 2 Diabetes and Bariatric Surgery NCT06383065 | Near East University, Turkey | N/A |
| Unknown | The Impact of Moderate Versus Deep Neuromuscular Blockade on Enhanced Recovery After Bariatric Anesthesia NCT04466943 | King Saud University | N/A |
| Completed | Validity of Physical Activity Questionnaires in Persons Pursuing Bariatric Surgery NCT03981978 | University of Nebraska | — |
| Completed | Effect of Opioid Free Anesthetic on Post-Operative Opioid Consumption After Laparoscopic Bariatric Surgery NCT04081545 | Christine Oryhan | Phase 3 |
| Active Not Recruiting | Surgical or Medical Treatment NCT04128995 | Children's Hospital Medical Center, Cincinnati | Phase 4 |
| Completed | Endoscopic Management Of Refractory Gastro-cutaneous Fistula After Laparoscopic Sleeve Gastrectomy l NCT04879667 | Zagazig University | N/A |
| Completed | Short Term Outcome Of Distal Mesogastric Fixation After Laparoscopic Sleeve Gastrectomy; NCT04834323 | Zagazig University | N/A |
| Completed | Effects of Aerobic Dance Based Exercise Program After Surgery in Obeses Awating Bariatric Surgery NCT04165811 | Istanbul University - Cerrahpasa | N/A |
| Withdrawn | Mindfulness Meditation and Bariatric Surgery NCT04167852 | Cedars-Sinai Medical Center | N/A |
| Unknown | The Role of Bariatric Surgeries in Management of Nonalcoholic Fatty Liver Disease NCT04127370 | Assiut University | N/A |
| Unknown | Postoperative Outcomes Within an Enhanced Recovery After Bariatric Surgery Protocol NCT03864861 | Grupo Español de Rehabilitación Multimodal | — |
| Enrolling By Invitation | Dapagliflozin Effect on Glucose Variability in Patients Post Bariatric Surgery NCT07515391 | Dasman Diabetes Institute | Phase 2 |
| Active Not Recruiting | Single Anastomosis Duodenal Ileal Bypass (SADI) for Sleeve Revision NCT04165694 | Kaiser Permanente | N/A |
| Recruiting | Impact of Bariatric Surgery in Obese Patients With and Without Obstructive Sleep Apnea Syndrome NCT04179188 | Ramsay Générale de Santé | — |
| Completed | The Effect of Core Stabilization Exercise Program in Obese Subjects Awaiting Bariatric Surgery NCT04099654 | Istanbul University | N/A |
| Unknown | Omega-3 Supplementation for LIver VolumE Reduction Study (OLIVER) Study NCT03972319 | Khoo Teck Puat Hospital | EARLY_Phase 1 |
| Completed | Contraception and Bariatric Surgery: Evaluation of Contraception and Contraceptive Knowledge of Women Undergoi NCT04219852 | CHU de Reims | — |
| Unknown | Prehabilitation in Bariatric Surgery NCT04046367 | Hospital Universitario Insular Gran Canaria | N/A |
| Unknown | The Expressive Writing in Bariatric Surgery NCT04035512 | University of Roma La Sapienza | N/A |
| Completed | Effects of Wolffia Globosa (Mankai) in Patients Undergoing Bariatric Surgery. NCT03999632 | Cleveland Clinic Florida | N/A |
| Completed | Assessment of Pouch Emptying With MRI After Roux-en-Y Gastric Bypass NCT06298162 | Rijnstate Hospital | — |
| Active Not Recruiting | Hepatic Energy Fluxes in NASH and NAS Patients NCT03997422 | University of Minnesota | N/A |
| Completed | Cardiovascular Outcomes in Bariatric Surgery Patients With Type 2 Diabetes NCT03955952 | The Cleveland Clinic | — |
| Completed | Food Preferences After Bariatric Surgery (BariaTaste 3) NCT03911115 | Hospices Civils de Lyon | — |
| 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 |
| Completed | Prevalence of Steatosis and Steatohepatitis in Patients Undergoing Bariatric Surgery; a Biopsy-based Study NCT06499675 | Egyptian Liver Hospital | — |
| Completed | Ventilation Distribution After Bariatric Surgery NCT03975348 | University of Trieste | N/A |
| Completed | Evaluation of a Telemedicine System for Patients Carried for Bariatric Surgery NCT03834181 | IHU Strasbourg | N/A |
| Completed | Diabetes Reversal and the Subgingival Microbiota NCT05501093 | University of Pennsylvania | — |
| Completed | NSS-2-BRIDGE Study for Total Knee and Hip Arthroplasties, Bariatric, and Kidney Transplant Surgeries NCT03834142 | Jacques E. Chelly | N/A |
| Completed | Investigating the Role of Ghrelin in Regulating Appetite and Energy Intake in Patients Following Bariatric Sur NCT03641417 | University College, London | N/A |
| Completed | Ultrasonograpahic Evaluation of Diaphragmatic Functions in Obese Patients Undergoing Laparoscopic Sleeve Gastr NCT04130217 | Zagazig University | N/A |
| Completed | Erector Spinae Plane Block Versus Opioid Based General Anesthesia During Laparoscopic Bariatric Surgery NCT03798522 | Cairo University | N/A |
| Completed | Laryngeal Mask Airway as a Bridge for Intubation of Obese Patients for Sleeve Gastrectomy NCT04378192 | Suez Canal University | N/A |
| Completed | Lipid Metabolism in Obese Subjects Undergoing Bariatric Surgery NCT04984785 | University of Cagliari | — |
| Completed | De Novo Lipogenesis in Severity of NAFLD NCT03683589 | University of Missouri-Columbia | — |
| Completed | Anesthetics and Cerebral Oxygenation in LSG NCT03946657 | Ondokuz Mayıs University | Phase 4 |
| Completed | Probiotic Supplementation on Weight Loss NCT03832439 | Mayo Clinic | N/A |
| Completed | Transoral Removal of Specimen During Laparoscopic Gastric Resection NCT04111393 | Inonu University | — |
| Completed | THE EFFICIENCY OF FASCIAL PLANE BLOCKS IN BARIATRIC SURGERY NCT05284695 | V.K.V. American Hospital, Istanbul | — |
| Completed | Erector Spinae Block and Transverse Abdominis Plane Block for Sleeve Gasterectomy NCT03747406 | Dalia Ismail | N/A |
| Unknown | The Use of Laparoscopic Transversus Abdominis Plane Block in Gastric Bypass Surgery (LapTAP) NCT03367728 | Ottawa Hospital Research Institute | Phase 4 |
| Terminated | Eye Movement Testing in Patients With Obesity and the Impact of Weight Loss Surgery NCT04940429 | Stanford University | — |
| Completed | Hepatic Mitochondrial Function in Youth NCT03587727 | University of Colorado, Denver | — |
| Unknown | The Effect of Bariatric Surgery on Glucose Metabolism NCT04174768 | Korea University Anam Hospital | N/A |
| Unknown | Expiratory and Plasma Propofol Concentration in Gastrological Surgery Patients NCT03817541 | Oslo University Hospital | N/A |
| Terminated | The Effect of Bariatric Surgery on Spermatogenesis NCT03725696 | The Cleveland Clinic | — |
| Completed | Volumetric Pouch Study After Laparoscopic Sleeve Gastrectomy NCT04880902 | Kafrelsheikh University | N/A |
| Completed | Effects of Low-Flow Anesthesia on Hemodynamic Parameters and Oxygenation in Morbidly Obese Patients NCT03721536 | Inonu University | N/A |
| Unknown | Preoperative Dry Lean Body Mass as a Prognostic Factor for Excess Weight Loss After Bariatric Surgery. NCT03558360 | Centre Hospitalier Departemental Vendee | — |
| Completed | Pre-oxygenation Methods in Bariatric Patients NCT03428256 | Imperial College London | N/A |
| Completed | Impact of Metabolic Surgery on Pancreatic, Renal and Cardiovascular Health in Youth With Type 2 Diabetes NCT03620773 | University of Colorado, Denver | Phase 1 / Phase 2 |
| Completed | Effect Of Laparoscopic Sleeve Gastrectomy on Vitamin D, Parathormone and Calcium Levels NCT05430932 | Kafrelsheikh University | N/A |
| Completed | Impact of Plasma Soluble Prorenin Receptor in Obese and Type 2 Diabetic Patients NCT03643783 | Tulane University | — |
| Completed | Bariatric Surgery and COVID-19 NCT05532891 | Imperial College London | — |
| Completed | Pilot Study for Zoledronic Acid to Prevent Bone Loss After Bariatric Surgery NCT03424239 | Massachusetts General Hospital | Phase 4 |
| 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 |
| Recruiting | Determinants of the Long-Term Success of Bariatric Surgery NCT03517072 | University Hospital, Lille | — |
| Completed | Effect of Exercise and Surgical Weight Loss on Polyneuropathy NCT03617185 | University of Michigan | N/A |
| Completed | Antibiotics, Gastric Bypass, and the Microbiome NCT05367479 | Medical College of Wisconsin | Phase 1 |
| Withdrawn | Examination of Cognitive Function in Obesity and Following Weight Loss NCT02994186 | Vanderbilt University Medical Center | — |
| Completed | Weight Loss With Risedronate for Bone Health NCT03411902 | Wake Forest University Health Sciences | Phase 4 |
| Completed | Oral Health in Bariatric Patients NCT03516201 | University of Göttingen | — |
| Completed | Endoscopic Gastric Mucosal Devitalization (GMD) as a Primary Obesity Therapy NCT03526263 | Johns Hopkins University | N/A |
| Withdrawn | Rates and Severity of PONV for Neuromuscular Block Reversal in Patients Receiving Gastric Bypass Bariatric Sur NCT03432845 | WellSpan Health | — |
| Completed | Dietary Fibers and Satiety in Bariatric Patients NCT03573258 | University of Zurich | N/A |
| Unknown | BagEL - Bariatric Patients in Primary Care: Post-operative Nutrition and Lifestyle Management NCT03792412 | Medical University of Vienna | N/A |
| Completed | The Effect of Chest Physiotherapy After Bariatric Surgery NCT03758898 | Istanbul Bilgi University | N/A |
| Completed | Exercise Following Bariatric Surgery for Severe/Morbid Obesity (EFIBAR) NCT03497546 | Universidad de Almeria | N/A |
| Completed | Prospective Study of Liver Mobilization With the Levita Magnetic Surgical System NCT03508674 | Levita Magnetics | N/A |
| Completed | Opioid Free Anesthesia in Bariatric Surgery NCT03507634 | Lebanese American University | N/A |
| Completed | Contributing Factors in the Pathobiology of Airway Remodeling in Obesity NCT03115632 | Duke University | — |
| Unknown | Fat Taste Sensory Study NCT03540693 | University of Illinois at Urbana-Champaign | — |
| Terminated | The Efficacy of External Warming During Laparoscopic Bariatric Surgery NCT03429205 | Sheba Medical Center | N/A |
| Active Not Recruiting | Can the Effects of High Flow Nasal Cannula Oxygenation on Postoperative Atelectasis be Evaluated With Lung Ult NCT03828513 | Kocaeli Derince Education and Research Hospital | N/A |
| Completed | Investigation of Microbiome-based Prognostical Biomarkers in Patients With Morbid Obesity and Bariatric Surger NCT03391401 | St. Franziskus Hospital | — |
| Completed | Physical Activity and Bariatric Surgery NCT05050968 | Centre Hospitalier Régional d'Orléans | N/A |
| Enrolling By Invitation | Physiologic and Functional Adaptations of Insulin Sensitive Tissues NCT03407833 | Vanderbilt University Medical Center | — |
| Completed | A Preoperative Cognitive Behavioural Therapy Program Based on Self-determination Theory for Bariatric Surgery NCT03976674 | Lille Catholic University | N/A |
| Completed | Gastrointestinal Physiological Conditions in Obesity and After Bariatric Surgery NCT03783052 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Completed | Postoperative Osteopathic Manipulative Treatment in Bariatric Surgery NCT03833011 | MediSys Health Network | N/A |
| Completed | "Tailored" Bilio-Pancreatic Limb Length and Weight Loss After Mini-Gastric Bypass NCT04440306 | Kular Hospital | — |
| Completed | Alcohol Metabolism After Sleeve Gastrectomy NCT04079023 | University of Roma La Sapienza | — |
| Completed | Evaluation of Advanced Extubation Techniques in Bariatric Surgery NCT03715257 | Kocaeli Derince Education and Research Hospital | N/A |
| Completed | Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients NCT03360435 | University of Florida | — |
| Completed | The Effect of Liposomal Bupivacaine on Post Operative Pain and Narcotic Use After Bariatric Surgery NCT03196505 | University of California, San Francisco | Phase 4 |
| Completed | Intravenous Lidocaine in Bariatric Surgery. NCT03211455 | University Hospital, Caen | Phase 3 |
| Unknown | Capnography in the Post-Anesthesia Care Unit (PACU) NCT03076047 | University of South Florida | — |
| Completed | Effects of Change in Insulin Resistance and Systemic Inflammation on Brain Structure and Function NCT03215888 | University of Minnesota | — |
| Completed | Transit Bipartition After Sleeve Gastrectomy NCT04782648 | Ruhr University of Bochum | — |
| Completed | Serum Concentration of CEFOxitin Used for Antibiotic Prophylaxis in Obese Patients Undergoing BARiatric Surger NCT03306290 | Central Hospital, Nancy, France | N/A |
| Withdrawn | Potential Benefits of Sleeve Gastrectomy Surgery on Diabetic Gastroparesis Symptoms NCT03376399 | Baylor Research Institute | — |
| Terminated | Resting Metabolic Rate Testing in Bariatric Surgery Patients NCT03221543 | Baylor Research Institute | N/A |
| Terminated | Pharmacokinetics of Paracetamol and Antiepileptic Drugs After Sleeve Gastrectomy NCT03161509 | Rambam Health Care Campus | Phase 4 |
| Completed | Adipose Tissue Inflammation in Individuals Undergoing Bariatric Surgery NCT03419273 | University of Missouri-Columbia | — |
| Completed | Effects of Dietary Intervention and Surgery on NAFLD (Non-Alcoholic Fatty Liver Disease) NCT03186859 | University of Oxford | N/A |
| Completed | Aromatherapy in Management of Postoperative Nausea in Post-Bariatric Surgery Patients NCT03130218 | Lancaster General Hospital | N/A |
| Completed | Influence of the Sleep Pattern in Patients Submitted to Bariatric Surgery NCT03485352 | Federal University of Uberlandia | — |
| Unknown | The Effect of Laparoscopic Sleeve Gastrectomy on Insulin Secretion Pattern in Morbidly Obese Patients With Aca NCT05529563 | Shen Qu | — |
| Completed | Obesity and Health-related Quality of Life in Patients Receiving Bariatric Surgery in the UK NCT06324526 | Imperial College London | — |
| Completed | Intraperitoneal Local Anesthetic in Bariatric Surgery Study (iLABS Study) NCT03175081 | Dr. Tikfu Gee | N/A |
| Completed | Access to Bariatric Surgery In Europe NCT03105050 | Rijnstate Hospital | — |
| Completed | Influence of a Moderate Physical Exercise Program in Health of Patients Underwent Bariatric Surgery in Talca C NCT03159312 | Universidad de Granada | N/A |
| Completed | Impact of Bariatric Surgery on the Gut Environment NCT04345328 | KU Leuven | — |
| Completed | Prophylactic Use of Noninvasive Ventilation in the Postoperative Period of Bariatric Surgery NCT04805476 | Hospital de Clinicas de Porto Alegre | N/A |
| Completed | Optical Trocar to Create the Pneumoperitoneum in Bariatric Patients NCT06207357 | University of Foggia | — |
| Unknown | DS vs SIPS-Bariatric Surgery Comparasion NCT03236142 | Reading Health System | N/A |
| Unknown | Transnasal Endoscopy in Obese Patients Are Candidates for Bariatric Surgery NCT03288259 | Federal University of Minas Gerais | N/A |
| Unknown | GLP1-imaging Before and After Bariatric Surgery NCT03182231 | Radboud University Medical Center | Phase 1 / Phase 2 |
| Completed | Protein Supplementation Post Bariatric Surgery NCT02951663 | University of North Carolina, Chapel Hill | N/A |
| Completed | Video-Assisted Presentation Before Bariatric Surgery Enhanced Understanding of Informed Consent Content NCT03653962 | Inonu University | N/A |
| Unknown | Common Limb Length in One-anastomosis Gastric Bypass NCT04357119 | Mansoura University | N/A |
| Completed | Focusing on Body Functionality After Bariatric Surgery NCT04883268 | Maastricht University | N/A |
| Completed | Physical Activity Program Before Bariatric Surgery NCT03613766 | Universidad Miguel Hernandez de Elche | N/A |
| Unknown | Korean OBEsity Surgical Treatment Study NCT03100292 | Seoul National University Bundang Hospital | N/A |
| Completed | Gastric Plication in Mexican Patients NCT03210207 | Instituto Mexicano del Seguro Social | — |
| Unknown | May Preoperative Waist to Height Ratio Predict Postoperative Weight Loss in Bariatric Patients? NCT02996071 | Bezmialem Vakif University | N/A |
| Completed | Effect of Stomach Reduction Surgery on the Parameters of Amoxicillin NCT03588273 | Nucleo De Pesquisa E Desenvolvimento De Medicamentos Da Universidade Federal Do Ceara | N/A |
| Completed | Health-connected Devices and Physical Activity Recovery in Bariatric Surgery Patients NCT02716480 | My Goodlife SAS | N/A |
| Unknown | Pathogenesis of Non-alcoholic Steatohepatitis and Liver Regeneration After Bariatric Surgery NCT02792634 | RWTH Aachen University | — |
| Unknown | Abu Dhabi Diabetes and Obesity Study -2 Bariatric NCT05140798 | Imperial College London Diabetes Centre | — |