Bariatric Surgery Candidate Clinical Trial
— BariaTaste3Official title:
Study of Food Preferences After Bariatric Surgery
Verified date | December 2019 |
Source | Hospices Civils de Lyon |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Bariatric surgery is currently considered the most effective treatment for achieving
significant, sustained weight loss and reducing comorbidities associated with obesity. Every
year in France, more than 55,000 undergo this surgery and nearly 450 000 French have a
history of surgery for obesity. The mechanisms of action of bariatric surgery are multiple
and are not limited to caloric restriction. Neuro-hormonal effects, changes in the anatomy of
the digestive tract, vagal changes or bile circulation have been identified as contributing
factors to weight loss and postoperative improvement of comorbidities. In addition,
post-operative changes in dietary preferences have also been described, which could
contribute to initial weight loss and its maintenance over time (aversion to lipid and sugar
products).
The counterpart of the rapid and durable efficacy of bariatric surgery is the exposure of
patients to a significant risk of protein-energy malnutrition. It should be noted that the
protein intake, very limited in the first months after surgery, remains well below the
recommended intake after the first postoperative year. Spontaneous consumption of meat and
vegetable protein is significantly reduced during the first postoperative month and up to one
year after surgery. Apart from the limitation of gastric volume induced by surgery, clinical
experience indicates that many patients turn away from protein consumption by aversion. A
parallel was made between the significant drop in protein consumption during the first months
and the initial loss of lean mass. Thus changes in dietary preferences induced by bariatric
surgery could also contribute to postoperative nutritional risk (protein aversion).
At the same time, it is noted that olfactory and taste modifications have been reported in
previous studies that could be associated with these changes in food preferences.
The hypotheses of the current study are that the type of surgery may affect dietary
preferences differently after obesity surgery and that surgical failure may be associated
with preferences for high fat, high sweet and low protein foods postoperatively for both
types of surgery.
As far as the investigating team is aware, no study compares dietary preferences between
sleeve gastrectomy and gastric bypass using this approach.
Status | Completed |
Enrollment | 220 |
Est. completion date | December 4, 2019 |
Est. primary completion date | December 4, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patient who have undergone a Roux-en-Y Gastric Bypass (RYGB) or a sleeve gastrectomy (SG) - Patient aged at least 18 Exclusion Criteria: - None |
Country | Name | City | State |
---|---|---|---|
France | Hôpital Lyon Sud | Pierre-Bénite |
Lead Sponsor | Collaborator |
---|---|
Hospices Civils de Lyon |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Food preferences | Food preferences will be measured using liking score for different food groups.The outcome will be assessed in the period following the bariatric surgery. | Day 0 |
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