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Mental health changes after weight loss surgery in people with severe obesity

Follows adults with severe obesity for 3 years after weight loss surgery.

Plain-language title generated from the registry record
Registry title: Longitudinal Study of the Psychological Impact of Bariatric Surgery

Key facts

Where
Alcoy and Alicante, SpainSee the 2 sites

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 70 years old?

Source: NCT07780058, who can take part

Where in Spain

  • Hospital Universitario Virgen de los LiriosAlcoy, SpainTaking people
  • Hospital General Universitario Dr. BalmisAlicante, SpainTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
University of Alicante
Trial code
NCT07780058
Record updated
21 August 2026
Original description
This prospective observational study evaluates the effect of bariatric surgery on mental health and hair cortisol in patients with morbid obesity over a 3-year follow-up. Assessments will be performed before surgery and at 1 month, 1 year, 2 years, and 3 years to analyze psychological changes, weight changes, and the need for psychological support.Read full original descriptionShow less

Psychological Impact of Bariatric Surgery in Patients With Morbid Obesity: a Longitudinal Study Protocol

This prospective observational study evaluates the effect of bariatric surgery on mental health and hair cortisol in patients with morbid obesity over a 3-year follow-up. Assessments will be performed before surgery and at 1 month, 1 year, 2 years, and 3 years to analyze psychological changes, weight changes, and the need for psychological support.

Inclusion: Men and women aged 18 to 70 years who are candidates for gastric bypass, sleeve gastrectomy, or single-anastomosis duodeno-ileal bypass (SADI-S), with a body mass index of at least 40 kg/m² or at least 35 kg/m² with comorbidities, and who are able to provide informed consent.

Exclusion: Patients with previous bariatric surgery and pregnant women during follow-up will be excluded.

ClinicalTrials.gov NCT07780058