Clinical trials: Bariatric Surgery, open to volunteers
Bariatric Surgery, Bone Health
Bone Health After Bariatric Surgery in Patients With Type 2 Diabetes
Background: Bone fragility is a complication of type 2 diabetes. Diabetes treatments may ameliorate or deteriorate bone fragility in this population.
- Conditions
- Bariatric Surgery, Bone Health, Obesity, Morbid, Diabetes Mellitus, Type 2
- Trial name
- BODI (NCT03455868)
- Testing
- Bariatric surgery
- Where
- 3 sites in Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Obesity, Weight Loss
Bariatric Embolization of Arteries for the Treatment of Nonalcoholic Steatohepatitis
Obesity is an epidemic in the US. With progression of obesity, Nonalcoholic steatohepatitis (NASH) has been a growing public health issue.
- Conditions
- Obesity, Weight Loss, Body Weight, Nonalcoholic Steatohepatitis
- Trial name
- NCT02933554
- Testing
- Embospheres Microspheres
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Keith Pereira, MD:
Lower Urinary Tract Symptoms, Stress Urinary Incontinence
Pelvic Floor Disorder Symptoms in Women Seeking Weight Loss Therapy
The purpose of this study is to compare change in pelvic floor symptoms between patients receiving medical therapy for weight loss and surgical treatment for weight loss.
- Conditions
- Lower Urinary Tract Symptoms, Stress Urinary Incontinence, Urge Urinary Incontinence, Overactive Bladder
- Trial name
- NCT07175805
- Testing
- Bariatric Surgery, GLP1 receptor agonist
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hartford HealthCare
Heart Failure and Preserved Ejection Fraction, Obesity (Disorder)
OBESE-HFpEF: Towards Preventing Obesity Related HFpEF
Obesity, severe overweight, is a growing problem worldwide and increases the risk of heart failure, especially a type called heart failure with preserved ejection fraction (HFpEF). In HFpEF, the heart becomes stiffer.
- Conditions
- Heart Failure and Preserved Ejection Fraction, Obesity (Disorder), Heart Failure
- Trial name
- OBESE-HFpEF (NCT07539766)
- Where
- Netherlands
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Zuyderland Medisch Centrum
Hypoglycemia, Hypoglycemia, Reactive
Post-Prandial Carbohydrate Metabolism in Individuals With and Without Post-Bariatric Surgery Hypoglycemia (PBH)
In this study, the investigators will determine (a) whether metabolism (secretion and turnover) of glucagon is altered in patients with PBH, (b) whether this is affected by a meal, (c) whether PBH affects the ability of the body…
- Conditions
- Hypoglycemia, Hypoglycemia, Reactive, Bariatric Surgery
- Trial name
- NCT07818707
- Testing
- Glucagon for Injection (Fresenius Kabi USA), [6,6-2H2] glucose, [13C9, 15N1]-glucagon
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Joslin Diabetes Center
Obesity & Overweight, Collagen Protein
Collagen Supplements and Post-MBS Muscle Mass/Body Image
This prospective, observational cohort study aims to evaluate whether the use of collagen-containing supplements is associated with differences in muscle mass, body composition, and body image among patients who have undergone…
- Conditions
- Obesity & Overweight, Collagen Protein, Bariatric Surgery, Metabolic and Bariatric Surgery
- Trial name
- NCT07809152
- Testing
- Collagen-containing supplement
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Mudanya University
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
Obesity, Morbid, Metabolic Syndrome
Biometabolic Outcomes After Weight Loss Surgery: An Individualized Approach
Variable outcomes after weight loss surgery are likely attributable to complex, poorly understood mechanisms. Due to the significant impact that morbid obesity has on a patient's health, successful management of obesity and its…
- Conditions
- Obesity, Morbid, Metabolic Syndrome, NASH - Nonalcoholic Steatohepatitis
- Trial name
- NCT04841057
- Testing
- 50 cm BP limb length, 100 cm BP limb length, 150 cm BP limb length
- Where
- United States
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Post Bariatric Surgery, Gastric Bypass
The Effects of Bariatric Surgeries on Glucose Metabolism
The purpose of this study is learn the effect of gastric bypass surgery and sleeve gastrectomy on glucose metabolism mediated by neural and hormonal factors initiated after eating.
- Conditions
- Post Bariatric Surgery, Gastric Bypass, Sleeve Gastrectomy, Hypoglycemia After Gastric Bypass
- Trial name
- NCT02823665
- Testing
- Exendin-(9-39), Atropine
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
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
Obesity, Type2diabetes
Metabolic Effects of Bariatric Arterial Embolization vs Bariatric Surgery
Obesity and Type 2 diabetes mellitus (DMT2) are two of the most common chronic diseases of the Western society. Obesity is one critical factor in DMT2 development, with weight loss having profound beneficial effects on DMT2 and…
- Conditions
- Obesity, Type2diabetes, Bariatric Surgery Candidate, Metabolic Disease
- Trial name
- BEOD (NCT05859022)
- Testing
- Roux-en-Y gastric By-pass (RYGB) surgery, Bariatric Arterial Embolization (BAE) procedure
- Where
- Portugal
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidade Nova de Lisboa
Obesity, Bariatric Surgery Candidate
Exploring the Effects of Obesity and Bariatric Surgery on the Brain Using Magnetic Resonance Imaging
Background and Purpose: The causes of obesity are highly complex, with eating behaviors playing a crucial role. Current research indicates that many brain regions are involved in the regulation of appetite, eating behaviors, and…
- Trial name
- NCT06708117
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
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, Lidocaine
Intravenous Lidocaine Infusion Versus Intravenous Dexmedetomidine Infusion During Sleeve Gastrectomy
Although laparoscopic (LAP) bariatric surgery is minimally invasive. Following any laparoscopic procedure, patients typically experience the peak of postoperative pain within the first 24 hours.
- Conditions
- Bariatric Surgery, Lidocaine, Dexmedetomidine
- Trial name
- NCT07327905
- Testing
- intravenous lidocaine, intravenous dexmedetomidine
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Bariatric Surgery Candidate
Compliance With Standard Care vs Ready to Eat Meals Prior to Bariatric Surgery
Currently, a ketosis-inducing programme, usually a liquid meal replacement, is the standard of care for pre-operative dietary management.
- Trial name
- NCT06461247
- Testing
- Very Low Calorie Diet Ready-to-eat (VLCD RTE) meals, Standard Care Group
- Where
- 2 sites in Singapore
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
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
Obesity & Overweight, Hair Loss
Scalp Hair Metabolomics in Severe Obesity
The purpose of this research study is to investigate how body weight and weight-loss surgery affect the natural chemicals found in scalp hair over time.
- Conditions
- Obesity & Overweight, Hair Loss, Metabolomics, Bariatric Surgery
- Trial name
- NCT07368842
- Where
- Singapore
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Singapore General Hospital
Diabetes Mellitus, Type 2, Bariatric Surgery
Comparisons of Metabolic Effect of Sleeve Gastrectomy With Duodenojejunal Bypass and Sleeve Gastrectomy (MEDUSA): A Multicenter Randomized Controlled Trial
In this study, the effects of SG with DJB and SG alone for the treatment of type 2 diabetes mellitus (T2DM) will be compared in patients other than the two groups at both extremes who are expected to show excellent effects of…
- Conditions
- Diabetes Mellitus, Type 2, Bariatric Surgery, Surgical Procedures, Operative, Asians
- Trial name
- NCT05211375
- Testing
- Duodenojejunal bypass, Sleeve gastrectomy
- Where
- South Korea
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital
Post-bariatric Surgery
Glucagon-like Peptide 1, Glucose Metabolism and Gastric Bypass
The overall goal of this project is to understand the mechanisms by which gastric bypass surgery improves glucose metabolism. The central hypothesis guiding this project is that the reconfiguration of intestinal transit with the…
- Trial name
- GLP-1 (NCT01803451)
- Testing
- exendin-(9-39), exendin -(9-39)
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Obesity, Diabetes Mellitus, Type 2
The Effect of Bariatric Surgery on Insulin Sensitivity and Energy Metabolism
The purpose of this study is: 1. To explore to what extent insulin sensitivity, energy metabolism and ectopic lipid storage can be improved by bariatric surgery 2.
- Trial name
- BARIA-DDZ (NCT01477957)
- Testing
- surgery
- Where
- Germany
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- German Diabetes Center