Morbid Obesity Clinical Trial
Official title:
Sleep, Pulmonary Function, Systemic and Adipose Immune Response and Quality of Life in Severe Obese Patients Undergoing Bariatric Surgery. A Protocol of Randomized Controlled Clinical Trial
NCT number | NCT02409160 |
Other study ID # | 220506/2009 |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | March 2015 |
Est. completion date | July 2019 |
Obesity is a major public health problem in developed and developing countries, causing a range of respiratory and metabolic changes. There is a strong correlation between obesity and cardiorespiratory sleep disorders. The weight loss reduces the comorbidities and improves the quality of life, but clinical treatment it is not effective for a long period. In this context, currently bariatric surgery is an option for the real weight loss in the long term. Obstructive sleep apnea (OSA) is a common clinical condition observed in patients with obesity. The primary aim of this protocol are to assess the inflammatory profile of severe obese patients undergone to bariatric surgery, through systemic and adipose markers of inflammation. A secondary objective is study the impact of this surgery on sleep variables and quality of life. Investigators hypothesized that weight loss induced by bariatric surgery reduces systemic inflammatory profile, improve sleep quality and quality of life of subjects with severe obesity. Will participate in this study, patients with severe obesity (BMI > 40 or 35 to 39.9 kg/m2 associated comorbidities), with indication of bariatric surgery, screened Bariatric Surgery Service of Santa Casa de São Paulo in São Paulo. Inclusion criteria are severely obese, bariatric surgery indication and agreement to participate in the study. Are excluded patients with BMI > 55 kg/m2, clinical instability, mental instability or significant and unrealistic expectations of surgery. Patients will be assessed before and after bariatric surgery, 90, 180 and 360 days. The evaluation protocol will consist of clinical history, vital signs, neck and waist circumference, clinical analysis of blood inflammatory markers, lung function tests, maximal ventilatory pressures, full overnight standard polysomnography, excessive daytime sleepiness scale, cardiovascular risk, quality of life and personal satisfaction questionnaires.
Status | Recruiting |
Enrollment | 17 |
Est. completion date | July 2019 |
Est. primary completion date | July 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility |
Inclusion Criteria: 1. Patients eligible for the trial must comply with all of the following at randomization: 2. male and female patients aged 18 to 65 years, 3. grade III severe obesity (BMI = 40 kg/m2) or = 35 kg/m2 with comorbidities, 4. awaiting bariatric surgery, 5. with documented history of conventional weight loss attempts having proven unsuccessful over time, 6. and if they are able to understand and agreement to participate in the study through a signed term of informed consent. Exclusion Criteria: 1. Any medical condition rendering surgery too risky; 2. BMI above 55 kg/m2; 3. Unrealistic postoperative target weight and/or unrealistic expectations of surgical treatment; 4. Pregnancy, lactation or planned pregnancy within two years of potential surgical treatment; 5. Lack of safe access to abdominal cavity or gastrointestinal tract; 6. Abusive alcohol use or drug use. 7. Cancer 8. Any cardiorespiratory condition opposite indicate the surgical procedure. |
Country | Name | City | State |
---|---|---|---|
Brazil | Centro Universitário de Anápolis - UniEVANGÉLICA | Anápolis | GO |
Brazil | Gastromed | Anápolis | GO |
Brazil | Department of Surgery of Santa Casa of São Paulo Medical School, Gastric Surgery Division | Sao Paulo | SP |
Lead Sponsor | Collaborator |
---|---|
Centro Universitário de Anapolis | Clínica de Gastroenterologia e Medicina Avançada - GASTROMED, Irmandade da Santa Casa de Misericordia de Sao Paulo, Santa Casa de Misericórdia de Anápolis |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in systemic immune response after bariatric surgery. | Systemic markers of inflammation through fasting blood samples biochemical indexes. | Baseline immune response to 180 days. | |
Primary | Change in systemic adipose inflammation response after bariatric surgery. | Systemic markers of inflammation through biochemical indexes in the visceral (omental, mesenteric) and subcutaneous adipose tissue depots. | Baseline adipose inflammation response to 180 days. | |
Secondary | Alterations in sleep quality after bariatric surgery. | Study sleep patterns through full standard polysomnography. | 180 days | |
Secondary | Changes in pulmonary function after bariatric surgery. | Assess pulmonary function through spirometry. | 180 days | |
Secondary | Changes in maximal ventilatory pressures after bariatric surgery. | Assess maximal inspiratory and expiratory pressures through vacuometry. | 180 days | |
Secondary | Changes in health related quality of life after bariatric surgery. | Changes in quality of life through Short Form-36 and BAROS questionnaires. | 180 days |
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