Nutritional Rehabilitation & Sleep Apnea in the Obese

Status Completed

Clinical Trial Summary

In obese patients, the prevalence of obstructive sleep apnea (OSA) is around 40% in men and 30% in women. Weight loss after bariatric surgery significantly improves OSA, with 75% of patients having a reduction in OSA severity or becoming non-apneic. We hypothesize a similar effect on OSA of nutritional and psychocomportemental rehabilitation for obese patients. However, we expect weight loss and blood pressure reduction to probably be lower in obese patients who have OSA and nutritional rehabilitation alone than in those who are treated for their OSA or are without OSA. To address this question, we will conduct an observational study on obese patients, treated or not for OSA, following nutritional and psychocomportemental rehabilitation.

Clinical Trial Description

In obese patients, OSA prevalence is around 40% in men and 30% in women. Being overweight or obese are independent risk factors for OSA, and the prevalence increases with body mass index (BMI). Weight loss after bariatric surgery is one treatment for OSA, 75% of patients having a reduction in OSA severity or becoming non-apneic. OSA and obesity both induce type 2 diabetes, hypertension and/or nonalcoholic fatty liver disease (NAFLD). A randomized study (Chirinos et al. NEJM 2014) demonstrated a better improvement in blood pressure, triglyceride levels or insulin resistance with weight loss alone or weight loss associated with continuous positive airway pressure (CPAP) than with CPAP alone. We hypothesize a similar effect of nutritional and psychocomportemental rehabilitation on OSA. However, weight loss and blood pressure improvements could be lesser in untreated OSA patients than in treated OSA or non-OSA patients. It has been demonstrated that bariatric surgery reduces medication use such as antihypertensive or antidiabetic drugs, and thus a secondary objective is to determine whether nutritional and psychocomportemental rehabilitation similarly reduces medication use by the overweight and obese. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03857191
Study type	Observational
Source	University Hospital, Grenoble
Contact
Status	Completed
Phase
Start date	March 22, 2019
Completion date	May 16, 2022

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Nutritional Rehabilitation and Sleep Apnea in the Obese — DIETSLEEP

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms