Clinical trials: Bariatric Surgery Patients
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, Diabetes
Hypothalamic Function Before and After Bariatric Surgery
The purpose of this study is to determine the effect of gastric banding or gastric bypass on hypothalamic morphology and function, gut hormones and systems biology in obese subjects with and without type 2 diabetes.
- Trial name
- NCT01167959
- Testing
- Roux en Y gastric bypass and lap. gastric banding, Prodimed dietary intervention
- Where
- Netherlands
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
Obesity
The Impact of an Investment Based Intervention on Weight-loss and Beliefs About Food in Patients Post Bariatric Surgery
Although obesity surgery is currently the most effective method for achieving weight loss, not all patients lose the desired amount of weight and some show weight regain.
- Trial name
- NCT02045628
- Testing
- Investment intervention
- Where
- United Kingdom
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- University of Surrey
NASH - Nonalcoholic Steatohepatitis; NAFLD - Nonalcoholic Fatty Liver Disease
Biomarkers of Liver Pathology in Patients With Presumed Non-Alcoholic Steatohepatitis Following Bariatric Surgery
The purpose of this study is to evaluate imaging and other biomarkers of non-alcoholic fatty liver disease before and after bariatric surgery.
- Trial name
- BARI (NCT03294850)
- Testing
- Bariatric surgery, HepQuant SHUNT Dual Cholate Liver Diagnostic Kit
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- AdventHealth Translational Research Institute
Morbid Obesity, Steatosis
Very Low Calorie Liquid Diet for Pre op Patients
Despite the relative consensus on the benefits of pre-surgical weight loss, i.e., the reduction of comorbidities associated with surgical act, such as decreased visceral fat, liver volume, hemorrhage perioperative and surgical…
- Trial name
- NCT01748682
- Testing
- A very low calorie diet of two different consistencies
- Where
- Brazil
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Silvia Leite Faria
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:
Obesity, Non-Bariatric Surgery
PReoperative Very Low Energy Diets for Obese PAtients Undergoing Non-bariatric Surgery
The PREPARE Pilot randomized controlled trial (RCT) is a multi-center, parallel, blinded RCT that aims to assess the feasibility of a full RCT comparing preoperative very low energy diets (VLEDs) to standard of care prior to…
- Conditions
- Obesity, Non-Bariatric Surgery, Preoperative Weight Loss, Preoperative Optimization
- Trial name
- PREPARE (NCT05918471)
- Testing
- Very Low Energy Diet with Liquid Supplementation
- Where
- 4 sites in Canada
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- McMaster University
Bariatric Surgery Candidate, Vitamin Deficiency
Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients
Patients undergoing bariatric surgery often develop new vitamin and/or mineral deficiencies or exacerbate prior deficiencies after surgery.
- Conditions
- Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
- Trial name
- NCT03360435
- Testing
- Patch MD MultiVitamin Plus patch
- Where
- United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- University of Florida
Obesity
Mindfulness and Compassion-based Programs on Food Behavior of Patients With Weight Regain After Bariatric Surgery
Weight regain in patients after bariatric surgery has been reported as one of the main failure factors of these surgeries, has important health consequences, such as the return of associated comorbidities, and, until that moment…
- Trial name
- NCT04171713
- Testing
- Mindfulness-Based Health Promotion + Treatment as usual, Attachment-based compassion therapy + Treatment as usual, Treatment as usual
- Where
- Brazil
- Volunteers
- 456 people, healthy volunteers welcome
- Sponsor
- Centro Mente Aberta de Mindfulness
Pulmonary Atelectasis, Respiratory Tract Diseases
Use of Positive Pressure in Morbidly Obese Patients Undergoing Reduction Stomach Surgery
The aim of this study was to investigate the effects of using positive pressure in the preoperative, intraoperative and postoperative morbidly obese individuals undergoing gastroplasty.
- Conditions
- Pulmonary Atelectasis, Respiratory Tract Diseases, Pathological Conditions, Signs and Symptoms
- Trial name
- NCT01786681
- Testing
- Positive pressure
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidade Metodista de Piracicaba
Obesity
Telemedicine Follow-up for Bariatric Surgery Patients: What Do Patients Prefer
This is a randomized clinical trial that will randomize bariatric patients undergoing laparoscopic sleeve gastrectomy or laparoscopic Roux-en-Y gastric bypass to receive either in-person or telemedicine post-operative follow-up…
- Trial name
- NCT04784286
- Testing
- Telemedicine 30-day post-op visit, In-Person 30-day post-op visit
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Obese Adolescents, Bariatric Surgery
Study Effects of Preoperative Modafinil on Recovery Profile of Morbidly Obese Patients Scheduled for Bariatric Surgery if it Can Enhance Recovery From Anesthesia
study Effects of Preoperative Modafinil on Recovery Profile of Morbidly Obese Patients Scheduled for Bariatric Surgery if it Can Enhance Recovery From Anesthesia and provide improvement in recovery
- Trial name
- modafinil (NCT07128719)
- Testing
- Modafinil
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
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, Morbid
Suboptimal Weight Loss After Gastric Bypass Surgery
Bariatric surgery is the only long-term established treatment for morbid obesity. However, some patients experience suboptimal weight loss after surgery and/or experience a significant weight regain.
- Trial name
- NCT01829906
- Testing
- Multidisciplinary outpatient programme, Inpatient lifestyle programme
- Where
- Norway
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Pain, Postoperative, Morbid Obesity
Clinical Proposal for the Comparison of Intraperitoneal Anesthetic to Injected Local Anesthetic
The purpose of this study is to determine if pre-incisional lidocaine injection, instilled liquid bupivacaine, intra-abdominal aerosolized bupivacaine, or post-operative bupivacaine injection is superior in post-operative pain…
- Trial name
- NCT00508976
- Testing
- Injected bupivacaine post-operatively, Streamed bupivacaine versus streamed normal saline, Aerosolized bupivacaine versus aerosolized saline
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pinnacle Health System
Liver Function, Bariatric Surgery
the Related Factors of Bariatric Surgery on Liver Function
Obesity and related metabolic diseases have become a chronic disease that is a threat to human health. Bariatric surgery can effectively and long-term reduce excess body weight and relieve related metabolic diseases, including…
- Trial name
- NCT03689790
- Testing
- sleeve gastrectomy, gastric bypass
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Jinan University
Morbid Obesity, Type2 Diabetes
Elucidating the Mechanism of Remission of Type 2 Diabetes in Morbid Obese Patients After Bariatric Surgery
The main aim of this study is to elucidate the mechanism of the remission of type 2 diabetes in the morbid obese patients after laparoscopic sleeve gastrectomy.
- Trial name
- NCT03038373
- Testing
- Laparoscopic Sleeve Gastrectomy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Dasman Diabetes Institute
Atelectasis, Postoperative Pulmonary
Optimizing PEEP in Laparoscopic Bariatric Surgery Using Bedside Lung Ultrasound
Lung ultrasound imaging is a promising non-invasive, non-radiant, portable and easy to use tool that as yet to be studied in the intraoperative setting.
- Trial name
- NCT04269564
- Testing
- stepwise PEEP
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
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