Condition

Clinical trials for Obesity, Morbid

Active public studies that list Obesity, Morbid as a condition.

94active studies

61recruiting now

22countries represented

8largest site network

Current studies

Status and location data reflect the registry snapshot built 2026-09-08. Verify the original record before contacting a site.

Recruiting nowNot applicable

Postoperative Nausea, Vomiting and Pain After Bariatric Surgery - a National Registry Study

Postoperative Nausea and Vomiting, Postoperative PainCondition

Intervention not listedTreatment

Sweden2 locations

Umeå UniversitySponsor

Updated 2026-09-01 · NCT07797374See eligibility →

Recruiting nowNot applicable

Brown Adipose Tissue Activation by Spinal Cord Stimulation

Pain, Back, Obesity, MorbidCondition

Research electrodeTreatment

United States1 locations

Oregon Health and Science UniversitySponsor

Updated 2026-08-25 · NCT04326192See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Lamotrigine

Obesity, MorbidCondition

LamotrigineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-08-13 · NCT03497143See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Losartan

Obesity, MorbidCondition

LosartanTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-08-13 · NCT03519893See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Metoprolol

Obesity, MorbidCondition

MetoprololTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-08-13 · NCT03519906See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Valsartan

Obesity, MorbidCondition

ValsartanTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-08-13 · NCT03535376See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Paracetamol

Obesity, MorbidCondition

ParacetamolTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-08-13 · NCT03538457See eligibility →

Recruiting nowNot applicable

Postextubation Use of Noninvasive Respiratory Support in Severely Obese Patients

Obesity, Morbid, Extubation FailureCondition

Noninvasive ventilation alternating with high flow nasal cannula, High flow nasal cannulaTreatment

Mexico, United States5 locations

Rush University Medical CenterSponsor

Updated 2026-08-07 · NCT05918575See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Ramipril

Obesity, MorbidCondition

RamiprilTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03440177See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Apixaban

Obesity, MorbidCondition

ApixabanTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03448783See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Quetiapine

Obesity, MorbidCondition

QuetiapineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03449472See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Chlorprothixene

Obesity, MorbidCondition

ChlorprothixeneTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03449485See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Candesartan

Obesity, MorbidCondition

CandesartanTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03460327See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Enalapril

Obesity, MorbidCondition

EnalaprilTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03460366See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Fluoxetine

Obesity, MorbidCondition

FluoxetineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03476525See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Gabapentin

Obesity, MorbidCondition

GabapentinTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03476538See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Hydrochlorothiazide

Obesity, MorbidCondition

HydrochlorothiazideTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03476551See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Ibuprofen

Obesity, MorbidCondition

IbuprofenTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03476577See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Irbesartan

Obesity, MorbidCondition

IrbesartanTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03476603See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Lercanidipine

Obesity, MorbidCondition

LercanidipineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2026-07-08 · NCT03497156See eligibility →

Recruiting nowNot applicable

Trans-nasal Endoscopy for Bariatric Patients

Obesity, Obesity, MorbidCondition

Transnasal Endoscopy, EsophagogastroduodenoscopyTreatment

United States1 locations

Christopher C. Thompson, MD, MScSponsor

Updated 2026-06-25 · NCT06200961See eligibility →

Recruiting nowNot applicable

Obesity Cohort : Medical Follow-up of Severe or Morbid Obese Patients Undergoing Bariatric Surgery

Obesity, Morbid, Bariatric Surgery CandidateCondition

Bariatric surgeryTreatment

France1 locations

University Hospital, MontpellierSponsor

Updated 2026-06-22 · NCT02310178See eligibility →

Recruiting nowNot applicable

Low Impact Laparoscopy In Bariatric Surgery

Obesity, MorbidCondition

low pneumoperitoneum laparoscopy with microsurgery, standard laparoscopyTreatment

Italy1 locations

Fondazione Policlinico Universitario Campus Bio-MedicoSponsor

Updated 2026-06-18 · NCT07119437See eligibility →

Recruiting nowNot applicable

Identification of Pre-surgical Phenotypic Indicators Predictive of Quality of Life Trajectories in Obese Patients Following Bariatric Surgery

Obesity, Morbid, Obesity and OverweightCondition

Hospital Anxiety and Depression Scale, Dutch Eating Behaviour QuestionnaryTreatment

France1 locations

Centre Hospitalier Metropole SavoieSponsor

Updated 2026-06-10 · NCT06951893See eligibility →

Recruiting nowNot applicable

Laparoscopic Single Anastomosis Sleeve Ileal Bypass Versus Laparoscopic Sleeve Gastrectomy for Morbid Obesity

Obesity, MorbidCondition

Single anastomosis sleeve ileal bypass, Sleeve gastrectomyTreatment

Norway2 locations

Oslo University HospitalSponsor

Updated 2026-05-18 · NCT05611697See eligibility →

Recruiting nowNot applicable

Periodontal Microbiota of Patients Candidates for Bariatric Surgery With Body Mass Index Greater Than 30

Bariatric Surgery, Obesity, MorbidCondition

Intervention not listedTreatment

France1 locations

University Hospital, ToulouseSponsor

Updated 2026-05-08 · NCT06781229See eligibility →

Recruiting nowNot applicable

DIStal gastriC Bypass OUtcome in Revision SurgEry After Roux-en-y Gastric Bypass

Obesity, Morbid, Weight GainCondition

Distal gastric bypassTreatment

Netherlands8 locations

St. Antonius HospitalSponsor

Updated 2026-04-27 · NCT04894838See eligibility →

Recruiting nowPhase 4

Evaluation of Propofol Dosing Based on Total Body Weight Using Closes-loop Anaesthesia Delivery System

Obesity, Morbid, AnesthesiaCondition

Propofol, PropofolTreatment

India1 locations

Sir Ganga Ram HospitalSponsor

Updated 2026-04-27 · NCT05305313See eligibility →

Recruiting nowNot applicable

Transpulmonary Pressure - Guided Mechanical Ventilation in Morbidly Obese ARDS Patients: a Feasibility Study.

ARDS, Human, Obesity, MorbidCondition

Esophageal pressure-guided strategy,Treatment

France5 locations

Assistance Publique - Hôpitaux de ParisSponsor

Updated 2026-04-21 · NCT06119516See eligibility →

Recruiting nowNot applicable

Long-term, Substantial Weight Loss and Insulin Regulation of Lipolysis

Obesity, MorbidCondition

Gastric sleeve/bariatric surgeryTreatment

United States1 locations

Mayo ClinicSponsor

Updated 2026-03-03 · NCT03868592See eligibility →

Recruiting nowNot applicable

Efficacy and Safety of Endoscopic Antral Myotomy as a Novel Weight Loss Procedure

Obesity, Obesity, MorbidCondition

PSAM Treatment PatientsTreatment

United States1 locations

Christopher C. Thompson, MD, MScSponsor

Updated 2026-03-02 · NCT05711758See eligibility →

Recruiting nowNot applicable

Investigating the Link Between Type 2 Immunity and NAFLD in Human Obesity

Obesity, Morbid, NASH - Nonalcoholic SteatohepatitisCondition

Bariatric surgeryTreatment

United States1 locations

Mayo ClinicSponsor

Updated 2026-01-28 · NCT04232566See eligibility →

Recruiting nowNot applicable

Time-restricted Eating Among Pregnant Females With Severe Obesity

Obesity, Morbid, Time Restricted EatingCondition

Time Restricted EatingTreatment

United States1 locations

University of Illinois at ChicagoSponsor

Updated 2026-01-23 · NCT06477120See eligibility →

Recruiting nowNot applicable

Management of Sleeve Gastrectomy Failure Using Single-anastomosis Metabolic Surgery

Obesity, Obesity, MorbidCondition

Standard duodenal switch, Single-anastomosis duodenal switchTreatment

Canada1 locations

Laval UniversitySponsor

Updated 2025-12-08 · NCT05242835See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Modulation of Perceived Satiety

Obesity, MorbidCondition

Sleeve gastrectomy, OverStitch™ Endoscopic Suturing SystemTreatment

Italy1 locations

Istituto Auxologico ItalianoSponsor

Updated 2025-10-03 · NCT05777928See eligibility →

Recruiting nowPhase 4

Improving Efficacity of Sleeve Gastrectomy With Naltrexone/Bupropion Extended-release Tablet

Obesity; Drug, Obesity, MorbidCondition

Naltrexone/Bupropion, PlaceboTreatment

Canada1 locations

Laval UniversitySponsor

Updated 2025-08-08 · NCT06620562See eligibility →

Recruiting nowPhase 4

Role of Tranexamic Acid in Reducing Hemorrhagic Events in Bariatric Surgery

Hemorrhage, Bariatric SurgeryCondition

Tranexamic Acid, Normal Saline (Placebo)Treatment

Pakistan1 locations

Patel Hospital, PakistanSponsor

Updated 2025-08-01 · NCT07098780See eligibility →

Recruiting nowNot applicable

Bone Health After Bariatric Surgery in Patients With Type 2 Diabetes

Bariatric Surgery, Bone HealthCondition

Bariatric surgeryTreatment

Canada3 locations

CHU de Quebec-Universite LavalSponsor

Updated 2025-06-10 · NCT03455868See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Venlafaxine

Obesity, MorbidCondition

VenlafaxineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2025-06-10 · NCT03532477See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Amlodipine

Obesity, MorbidCondition

AmlodipineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2025-06-06 · NCT02904291See eligibility →

Recruiting nowNot applicable

Functional Changes in the Stomach and Esophagus After One Anastomosis Gastric Bypass- OAGB

Obesity, Morbid, GERDCondition

One Anastomosis Gastric Bypass (OAGB)Treatment

Switzerland1 locations

Spital Limmattal SchlierenSponsor

Updated 2025-06-06 · NCT04422405See eligibility →

Recruiting nowPhase 2, Phase 3

Photobiomodulation in Chronic Knee Pain in Patients Who Are in PreRehabilitation for Bariatric Surgery

Chronic Knee Pain, Obesity, MorbidCondition

Photobiomodulation, Standard Physiotherapy TretamentTreatment

Brazil1 locations

University of Nove de JulhoSponsor

Updated 2025-06-06 · NCT05816798See eligibility →

Recruiting nowNot applicable

Study of the Steroid Hormone Milieu in Obese Patients

Obesity, MorbidCondition

Intervention not listedTreatment

Italy1 locations

Istituto Auxologico ItalianoSponsor

Updated 2025-05-13 · NCT06341699See eligibility →

Recruiting nowNot applicable

The Poor Responders Study

Bariatric Surgery Candidate, Obesity, MorbidCondition

Gut hormonesTreatment

United Kingdom1 locations

Imperial College LondonSponsor

Updated 2025-05-09 · NCT05404061See eligibility →

Recruiting nowNot applicable

BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment

Obesity, MorbidCondition

Intervention not listedTreatment

Sweden1 locations

Göteborg UniversitySponsor

Updated 2025-04-23 · NCT03152617See eligibility →

Recruiting nowNot applicable

Prognostic Significance of Fatty Liver Disease in Bariatric Patients

Non-Alcoholic Fatty Liver Disease, Metabolic EncephalopathyCondition

Bariatric surgeryTreatment

Denmark1 locations

Esbjerg Hospital - University Hospital of Southern DenmarkSponsor

Updated 2025-03-05 · NCT03535142See eligibility →

Recruiting nowNot applicable

Sleeve Gastrectomy With Jejuno-ileal Bypass Versus Single Anastomosis Sleeve Jejunal Bypass

Obesity, MorbidCondition

SGJIB, SAS-JBTreatment

Egypt1 locations

Minia UniversitySponsor

Updated 2025-03-04 · NCT06530212See eligibility →

Recruiting nowNot applicable

Change of Adipose Tissues and Triglyceride After Bariatric Surgery or Life-style Intervention

Non-Alcoholic Fatty Liver Disease, Obesity, MorbidCondition

Bariatric surgery, Dietitian led life style modification interventionTreatment

Hong Kong1 locations

Chinese University of Hong KongSponsor

Updated 2025-02-13 · NCT03875625See eligibility →

Recruiting nowNot applicable

Endoscopic Treatment of Overweight and Mild Obesity with ORBERA365

Obesity, Obesity, MorbidCondition

Non-Adjustable Intragastric Balloon, ORBERA365Treatment

Brazil1 locations

Kaiser Clinic and HospitalSponsor

Updated 2025-01-21 · NCT06785233See eligibility →

Recruiting nowNot applicable

Integrated Multi-omics Data for Personalized Treatment of Obesity-associated Fatty Liver Disease

NAFLD, Obesity, MorbidCondition

To propose diagnostic tests for liver diseases before surgical decisions.Treatment

Spain1 locations

Institut Investigacio Sanitaria Pere VirgiliSponsor

Updated 2024-11-13 · NCT05554224See eligibility →

Recruiting nowNot applicable

Comparison of Airtraq in Class 2-3 Obese and Nonobese Men During Intubation: a Prospective Randomized Clinical Study

Obesity, Morbid, Intubation; Difficult or FailedCondition

airtraq video laryngoscopeTreatment

Turkey (Türkiye)2 locations

Kocaeli UniversitySponsor

Updated 2024-10-28 · NCT05927519See eligibility →

Recruiting nowNot applicable

Robotic-assisted Versus Conventional Laparoscopic Surgery in Obese Patients With Early Endometrial Cancer

Endometrial Cancer, Endometrial NeoplasmsCondition

Robot-assisted surgery, Laparoscopic surgeryTreatment

Italy1 locations

Fondazione Policlinico Universitario Agostino Gemelli IRCCSSponsor

Updated 2024-10-03 · NCT05974995See eligibility →

Recruiting nowNot applicable

Comparing 150cm OAGB With 150cm Biliopancreatic Limb RYGB. A Non-inferiority Trial

Bariatric Surgery Candidate, ObesityCondition

OAGB, RYGBTreatment

Netherlands2 locations

FlevoziekenhuisSponsor

Updated 2024-04-23 · NCT04852198See eligibility →

Recruiting nowNot applicable

Database Maintenance for Bariatric Procedures

Obesity, Morbid, Bariatric Surgery CandidateCondition

bariatric surgeryTreatment

Israel1 locations

Sheba Medical CenterSponsor

Updated 2024-04-23 · NCT04040413See eligibility →

Recruiting nowNot applicable

Genetic Susceptibility to Predict Weight Loss After Bariatric Surgery

Bariatric Surgery Candidate, Obesity, MorbidCondition

Intervention not listedTreatment

Spain1 locations

Institut de Recerca Biomèdica de LleidaSponsor

Updated 2024-03-06 · NCT06226194See eligibility →

Recruiting nowNot applicable

Endoscopic Sleeve Gastroplasty With Endomina® for the Treatment of Obesity in Kidney Transplant Candidates

Obesity, Morbid, End Stage Renal DiseaseCondition

Endoscopic Sleeve Gastroplasty (ESG)Treatment

Italy1 locations

Fondazione Policlinico Universitario Agostino Gemelli IRCCSSponsor

Updated 2024-02-28 · NCT05917795See eligibility →

Recruiting nowNot applicable

Phenotypic and Genotypic Characterization of Patients With Dysmetabolism in Greenland

Diabetes Mellitus, Type 2, Obesity, MorbidCondition

Whole genome sequencing, VAGUSTreatment

Greenland1 locations

Steno Diabetes Center GreenlandSponsor

Updated 2024-02-20 · NCT06264427See eligibility →

Recruiting nowNot applicable

Predictors of Weight Loss and Metabolic Health After Bariatric Surgery

Obesity, Morbid, Insulin SensitivityCondition

Intervention not listedTreatment

Netherlands3 locations

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)Sponsor

Updated 2023-08-14 · NCT05987631See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Buprenorphine

Obesity, MorbidCondition

BuprenorphineTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2023-03-27 · NCT03460314See eligibility →

Recruiting nowNot applicable

Bariatric Surgery and Pharmacokinetics of Escitalopram

Obesity, MorbidCondition

EscitalopramTreatment

Norway1 locations

Norwegian University of Science and TechnologySponsor

Updated 2023-03-27 · NCT03460379See eligibility →

This page shows the first 60 studies. Use the full search to filter all matches.

Related conditions

Obesity1,102 Obesity & Overweight220 Overweight205 Overweight and Obesity130 Type 2 Diabetes108 Hypertension107

How current is this page?

The page is rebuilt from the public registry feed. Each trial card shows the registry update date. Recruitment can still change between builds.

Does appearing here mean I qualify?

No. These pages are discovery indexes. Only a study team can confirm eligibility after reviewing the complete protocol criteria.