Evaluation of the Implementation of a Diet Workshop on the 15th Postoperative Day Following Bariatric Surgery on the Protein Intake of the Patient


The objective of the study was to improve protein intake after the implementation of a dietary workshop performed on the 15th postoperative day following bariatric surgery.

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Prevention
    • Masking: None (Open Label)
  • Study Primary Completion Date: September 2025


  • Behavioral: dietary workshop “proteins”
    • The workshop will have 2 objectives: Information of the importance of protein after bariatric surgery and the different sources of protein in the diet. Manipulation of a tool in the form of a real size and shape stomach (before and after surgery) that patients will be able to fill and manipulate in order to visualize the quantities needed to achieve the sensation of satiety.

Arms, Groups and Cohorts

  • Experimental: dietary workshop conducted on the 15th postoperative day
  • No Intervention: Standard care

Clinical Trial Outcome Measures

Primary Measures

  • To evaluate the increase in protein intake after the implementation of a dietary workshop performed on postoperative day 15 in the aftermath of bariatric surgery.
    • Time Frame: 1, 3, 6, and 12 months
    • Different measurements of protein intake will be performed at 1, 3, 6, and 12 months in order to observe an improvement in the kinetics of protein intake, the objective being to increase protein intake in the year following surgery and not only at a specific time.

Secondary Measures

  • -Evaluate the effect of the diet workshop at 3, 6 and 12 months on: The patient’s biometric parameters. Muscle function The patient’s muscle mass. Undernutrition Nitrogen balance (ancillary ) Medico-economic evaluation
    • Time Frame: 3, 6 and 12 months
  • Qualitative evaluation of the workshop at 12 months
    • Time Frame: 12 months

Participating in This Clinical Trial

Inclusion Criteria

  • Male or female – Over 18 years of age – Scheduled for bariatric surgery such as sleeve gastrectomy or bypass surgery. – Able to give informed consent to participate in the research. – Enrolled in a Social Security system. Exclusion Criteria:

  • Inability to travel to participate in the workshop. – Patients with a diet excluding animal proteins (vegetarians, vegans). – Pregnant and lactating women. – Inability to comply with protocol recommendations. – Incapacitated patients. – Major deprived of liberty – Refusal to participate.

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • University Hospital, Clermont-Ferrand
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Jessica RODA, Principal Investigator, University Hospital, Clermont-Ferrand
  • Overall Contact(s)
    • Lise Laclautre, 334.73.754.963, promo_interne_drci@chu-clermontferrand.fr

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