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Morbid Obesity clinical trials

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NCT ID: NCT04698135 Completed - Morbid Obesity Clinical Trials

Establishment of the Human Intestinal and Salivary Microbiota Biobank - Obesity

BIOMIS-Endo
Start date: March 25, 2021
Phase:
Study type: Observational

This is a prospective, clinical, multicentre study aimed to collect biological samples and study microbiota from subjects with morbid obesity, metabolically healthy obesity and from healthy volunteers. Microbiota is a complex consortium of microorganisms, located at the mucosal level (in particular intestinal, oral and vaginal) having a key role in human health and in the onset of several diseases. Microbiota alterations have been found in several diseases (gastrointestinal, metabolic, renal, oncological, gynaecological) The study will allow to: - Provide biological samples (faeces, saliva, blood, urine) from healthy volunteers and patients to the first Italian microbiota biobank; - Study microorganisms using different in vitro and in vivo techniques; - Study the link between the microbiota and the disease. This study is part of the BIOMIS project (Project Code: ARS01_01220), presented as part of the "Avviso per la presentazione di progetti di ricerca industriale e sviluppo sperimentale nelle 12 aree di specializzazione individuate dal PNR 2015-2020" and admitted to funding under the National Operational Program "Ricerca e Innovazione" 2014-2020 by directorial decree of MIUR - Department for Higher Education and Research - n. 2298 of 12 September 2018. BIOMIS includes several clinical studies that enrol patients with different pathologies to collect and store biological samples and study microbiota.

NCT ID: NCT04690088 Completed - Morbid Obesity Clinical Trials

Remifentanil Dosing Regimes for Anesthesia in Bariatric Surgery: Characteristics of Early Recovery

Start date: October 10, 2019
Phase:
Study type: Observational [Patient Registry]

Early recovery characteristics are important for patients' safety and operating room turnover. Our aim was to compare fundamental methods for dosing remifentanil during morbid obesity surgeries: a manual infusion and a target-controlled infusion (TCI). Throughout study, patient's recovery time was tracked and compared between the groups.

NCT ID: NCT04660513 Completed - Insulin Resistance Clinical Trials

Obesity-Related Glycine Deficiency: Investigating a Long-standing Metabolic Paradox Using Bedside and Bench Approaches

Start date: December 8, 2018
Phase:
Study type: Observational

Obesity, in addition to causing abnormal glucose and lipid metabolism, is also associated with altered plasma concentrations of multiple amino acids, including increased levels of branched-chain amino acids and decreased levels of glycine. The mechanisms and consequences of obesity- related glycine deficiency are unknown. The overall aim of this project is to comprehensively study glycine metabolic pathways in morbid obesity using stable-isotope tracer techniques in human subjects and validating kinetic findings using a cell model of oxidative stress. This will be a single-centre, observational study. 21 individuals with morbid obesity scheduled for bariatric surgery and 21 non-obese controls will be recruit. They will undergo different study visits and procedures and the human biological materials collected will be analysed for as per aims of the studies. We believe that the glycine metabolic pathways, possibly through the optimization of gluthathione (GSH) synthesis, may provide targets to develop novel therapeutic agents.

NCT ID: NCT04582006 Completed - Morbid Obesity Clinical Trials

Changes of Oral and Intestinal Microbiota After Bariatric Surgery

Start date: December 1, 2018
Phase:
Study type: Observational

Purpose The aim of this study was to analyze the changes of microbiota among patients undergoing LSG or LRYGB on two levels of gastrointestinal tract (using oral swab and stool sample). We compared samples from patients before and after bariatric operation. Materials and methods This prospective cohort study was conducted in one academic, teaching hospital. The recommendations of the Metabolic and Bariatric Surgery Section of the Polish Surgical Society were used as indication for surgery, that is: Body Mass Index (BMI) ≥35 kg/m2 with obesity-related comorbidities or BMI ≥40 kg/m2. Analysis and endpoints Primary endpoint was to determine the difference in microbiota present in oral cavity and large intestine between patients before and after bariatric surgery. Secondary endpoint was to compare the difference in microbiota changes between patients undergoing LSG and LRYGB

NCT ID: NCT04569396 Completed - Hypertension Clinical Trials

Bariatric Surgery and Fatty Liver Disease

Start date: January 12, 2016
Phase:
Study type: Observational

The study is based on data from morbidly obese patients who fulfilled the criteria for bariatric surgery during 2016-2018 at the Department of Surgery, University Hospital Ostrava, Czech Republic.

NCT ID: NCT04481880 Completed - Morbid Obesity Clinical Trials

Correlation of Intra-abdominal Pressure With Gastric and Urinary Bladder Pressures in Patients With Morbid Obesity

Start date: January 1, 2012
Phase:
Study type: Observational

The correlations between gastric and urinary bladder pressures with Intra-abdominal pewssure have not been addressed

NCT ID: NCT04477148 Completed - Morbid Obesity Clinical Trials

Comparison of Intubation Success Rates of 3 Different Laryngoscope Blade Types in Morbidly Obese Patients

Start date: June 26, 2014
Phase: N/A
Study type: Interventional

Reusable laryngoscope blades, which are the most commonly used devices for airway management, have been reported to be frequently contaminated and a possible source of infection. Although disposable laryngoscope blades are recommended to reduce the risk of infection, there are studies suggesting increased failed intubation attempt rates. The major cause of anesthesia-related mortality and morbidity is the failure of airway management. The incidence of difficult airway is reported to be 1-4% in normal population while it ranges up to 12-20% in obese patients. Following the introduction of disposable blades and considering the increased rate of failed intubation in obese patients with these devices, the investigators aimed to make a comparison of successful intubation rates of plastic and metallic disposable blades in morbidly obese patients

NCT ID: NCT04453579 Completed - Morbid Obesity Clinical Trials

Bariatric Surgery During Lockdown, Impact of COVID-19 on Physical and Mental Health

Start date: March 9, 2020
Phase:
Study type: Observational [Patient Registry]

From the beginning of March 2020, lockdown regimens prevented patients with obesity from receiving bariatric surgery. Surgical emergencies and oncological procedures were the only operations allowed in public hospitals. Consequently, patients with morbid obesity were put in a stand-by situation. With the aim at exploring physical and psychological conditions of the investigators future bariatric surgery patients, the investigators built a Questionnaire concerning obesity and COVID-19.

NCT ID: NCT04442139 Completed - Obesity Clinical Trials

Patient Reported Outcomes of a "Tailored" Bilio-Pancreatic Limb Length on Daily Food Choices in Mini-Gastric Bypass

TaBLFood-MGB
Start date: January 1, 2008
Phase:
Study type: Observational

Bariatric surgery (BS) has a history of new procedures and techniques arising and then disappearing due to problems and complications. The present is no different with new and old procedures changing with the regularity of night following day. One of the important questions today in BS is the length and or need/value of the Biliopancreatic limb bypass (BPLL.) The Sleeve and the Band have "0" bypass, the RNY has a "short" bypass and the Biliopancreatic Diversion type procedures have a "long" (distal) bypass. The Mini-Gastric Bypass Original Technique (MGB-OT) version of the One Anastomosis Bypass (OAGB) includes a "medium" length of bypass, longer than the BPLL of the RNY and shorter than the the "Long" BPL of the BPD procedures. In addition, uniquely, the MGB-OT includes a "Tailored" BPLL. Not all OAGB surgeons use this approach and several have argued in favor of a "Fixed" BPLL of 150 cm. This paper is part of a series of studies of the "Tailored" BPLL specifically in MGB-OT patients. Notably it demonstrates in an online survey that patient reported weight loss and food choices change after MGB-OT and in addition the changes are related to the "Tailored" BPLL

NCT ID: NCT04235829 Completed - Hypertension Clinical Trials

Does Early Weight Loss Following Laparoscopic Sleeve Gastrectomy Affect Long-term Outcomes

Start date: April 1, 2012
Phase:
Study type: Observational [Patient Registry]

A study to explore the relationship between early weight loss in the 4 weeks following laparoscopic sleeve gastrectomy and outcomes, in terms of weight loss and comorbidity improvement, 7 years following the surgery.