Clinical trials: Bariatric Surgeries
Adolescent Obesity
The Development of an Eating Laboratory for Overweight Adolescents
The purpose of the study is to develop methods to evaluate the eating behavior of adolescents, including overweight, normal weight, and candidates for adolescent bariatric surgery.
- Trial name
- NCT00764127
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Morbid Obesity
Follow-up of Adolescent Bariatric Surgery
Very little information is available about extremely obese (body mass index [BMI] > 40 kg/m2) adolescents. The purpose of the Follow up of Adolescent Bariatric Surgery (FABS) study is to collect information obtained during the…
- Trial name
- FABS (NCT00776776)
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Morbid Obesity
Efficacy and Mechanism Study of Bariatric Surgery to Treat Moderate to Severe Obesity in Han Chinese Population
This is a long-term follow-up and interventional study in individuals who have been diagnosed with moderate to severe obesity with or without diabetes.
- Trial name
- NCT02653430
- Testing
- Sleeve gastrectomy
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai Jiao Tong University School of Medicine
Eye Diseases, Obesity Associated Disorder
Ophthalmologic Evaluation of Patients With Obesity and Metabolic Syndrome Before and After Bariatric Surgery
The aim of this study was to investigate the pathogenic role of obesity on blinding eye diseases in a population of severely obese patients with no history of eye diseases, and to verify whether weight loss induced by bariatric…
- Trial name
- NCT04926714
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- XiaoYong Liu
Obesity
Machine Learning for Reclassification of Obesity
The goal of this study is to employ or develop computational modeling techniques for the precise reclassification of obesity into subgroups.
- Trial name
- NCT04282837
- Testing
- AI classification of patients with obesity
- Where
- China
- Volunteers
- 2,495 people, healthy volunteers welcome
- Sponsor
- Shanghai 10th People's Hospital
Weight Loss, Bariatric Surgery
Outcomes After Weight Loss Surgery in Low-Risk Patients
The purpose of this research is to determine patient-reported outcomes after weight loss surgery, including changes in health, mood, quality of life, health satisfaction, and emotional health, in low-risk patients.
- Trial name
- NCT05699083
- Testing
- Body Image/Self-Esteem Questionnaires
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Dr. Feiz & Associates
Bariatric Surgery, Virtual Reality
The Effect of Virtual Forest Bathing on Bariatric Surgery Patients
This study will be conducted at the General Surgery Clinic of City Hospital in Erzurum between August 2025 and April 2026 using a randomized controlled experimental design.
- Conditions
- Bariatric Surgery, Virtual Reality, Anxiety
- Trial name
- NCT07152054
- Testing
- virtual forest bathing
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ataturk University
Non-Alcoholic Steatohepatitis(NASH), Hepatitis C
Blood Collection Biorepository for Liver Disease Research
The purpose of establishing a biorepository is to provide high quality specimens (serum, plasma, buffy coat and liver tissue) for future researchers who are studying the effects that fatty liver and viral diseases have on the…
- Conditions
- Non-Alcoholic Steatohepatitis(NASH), Hepatitis C, Hepatitis B, Fibrosis
- Trial name
- NCT03025074
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Patients Who Gain Weight or Stop Losing Weight After barıatrıc Surgery, Absence of Cognitive or Psychiatric Illness
THE EFFECT OF MOTİVATİONAL INTERVİEWİNG-BASED MİNDFULNESS INTERVENTION ON WEİGHT MANAGEMENT AFTER WEİGT LOSS,7SLİMMİNG SURGERY: A RANDOMİZED CONTROLLED TRIAL.
Obesity is one of the most critical health problems in developed and developing countries, recognized as a chronic disease that adversely affects both individual and societal health.
- Conditions
- Patients Who Gain Weight or Stop Losing Weight After barıatrıc Surgery, Absence of Cognitive or Psychiatric Illness, Not Having Previously Received Cognitive Awareness Training, Not Having Undergone Revision Surgery
- Trial name
- NCT07351214
- Testing
- A MİNDFULNESS İNİTİATİVE BASED ON MOTİVATİONAL İNTERVİEWİNG
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Duygu Ateş
Bariatric Surgery Candidate
OAGB-MGB Conversions for Post-operative Complications
Laparoscopic mini/one anastomosis gastric bypass (MGB/OAGB) is a relatively new bariatric procedure and is gaining ground over the surgical approach for morbid obesity as a safe and effective operation.
- Trial name
- NCT04641715
- Testing
- OAGB-MGB
- Where
- Italy
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Federico II University
Adolescent Obesity, Eating Behavior
Dietary Intake and Eating Behaviors in Adolescents Who Undergo Bariatric Surgery
to study the dietary intake and eating behaviors of adolescents who undergo bariatric surgery
- Conditions
- Adolescent Obesity, Eating Behavior, Dietary Intake
- Trial name
- Teen LABS (NCT00721838)
- Where
- 5 sites in United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
COVID-19, Bariatric Surgery Candidate
Bariatric Surgery and COVID-19
The National Bariatric Surgical Registry (NBSR) is a prospectively collected database for all patients undergoing elective bariatric surgery in the UK.
- Trial name
- NCT05532891
- Testing
- COVID-19 pandemic
- Where
- United Kingdom
- Volunteers
- 11,545 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Obesity
The Bariatric Surgery Registry
Persons with obesity are more likely to suffer from many other serious health conditions and are more likely to die young. Lifestyle interventions have not been found to be an effective long-term solution for treating obesity.
- Trial name
- BSR (NCT03441451)
- Where
- Australia
- Volunteers
- 250,000 people, healthy volunteers welcome
- Sponsor
- Monash University
Small Intestine Length Measurement
Digital 3D Reconstruction Predicts Small Bowel Length
The prevalence of type 2 diabetes mellitus (T2DM) has been increasing annually worldwide, and the prevalence of diabetes has reached 11.6% in China.
- Trial name
- DTDRPSBL-BS (NCT05338567)
- Testing
- Small intestine length measurement method
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
Bariatric Surgery
The Effect of Guided Imagery on Bariatric Surgery Patients
The study will be conducted using a randomized controlled experimental design with experimental and control groups. Data will be collected between August 2025 and March 2026 in the General Surgery Clinic of Erzurum City Hospital.
- Trial name
- NCT07157826
- Testing
- Guided Imagery Application
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ataturk University
Morbid Obesity, Pulmonary Embolism
Laparoscopic Bariatric Surgery: Two Regimens of Venous Thromboprophylaxis: Prospective Randomized Study
Obese patients undergoing bariatric surgery warrant VTE prophylaxis because they are at high risk for developing a fatal pulmonary embolism or postthrombotic syndrome.
- Trial name
- NCT02128178
- Testing
- Enoxaparin 40 mg 2 hours before arm, Enoxaparin 40 mg 12 hours before arm
- Where
- Egypt
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Bariatric Surgery Candidate, Perioperative Complication
Effects of Ondansetron, Metoclopramide and Granisetron on Perioperative Nausea and Vomiting in Patients Undergone Bariatric Surgery
Post-operative nausea and vomiting (PONV) is one of the leading causes of patient morbidity after laparoscopic bariatric surgeries.
- Conditions
- Bariatric Surgery Candidate, Perioperative Complication, Nausea, Vomiting, Postoperative
- Trial name
- PONV (NCT05087615)
- Testing
- Metoclopramide, Ondansetron, Metoclopramide and Ondanteron
- Where
- Iran
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Obesity
Teen-Longitudinal Assessment of Bariatric Surgery (Teen-LABS) Adolescent Bariatrics: Assessing Health Benefits and Risk
The five Teen-LABS clinical centers use standardized techniques to assess the short and longer-term safety and efficacy of bariatric surgery in adolescents compared to adults.
- Trial name
- Teen-LABS (NCT00474318)
- Where
- 3 sites in United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
Body Contouring
Body Contouring After Bariatric Surgeries in Jordan
This study aimed to describe Jordanians' awareness and knowledge of body-contouring surgeries and estimate their prevalence. Additionally, we aimed to identify the limitations reported by our population and compare them with…
- Trial name
- NCT05771259
- Testing
- Assessment of knowledge and behaviour
- Where
- Jordan
- Volunteers
- 294 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Obesity
Multidisciplinary Approach and Counseling of the Obese Patient Before and After Bariatric Surgery
The project consists of qualitative interviews with all the members of the obesity team (endocrinologist, bariatric surgeon, dietician, psychologist,..) in different Flemish hospitals.
- Trial name
- NCT02156830
- Where
- Belgium
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- KU Leuven