Clinical trial

Interoception and Illness Perception Before and After Bariatric Surgery: Impact on Disordered Eating (Interoceptiv-BAR)

Recruiting now · Not applicable · 1 countries · Registry ID NCT07594275

Recruiting nowNot applicableObservational

What this study is about

Obesity is associated with alterations in the perception and interpretation of internal bodily signals (interoception), which may influence eating behaviors, emotional regulation, and long-term weight outcomes. Bariatric surgery induces profound physiological and neurohormonal changes that may affect interoceptive awareness and illness perception, potentially impacting the risk of disordered eating behaviors after surgery. This observational study aims to evaluate longitudinal changes in interoceptive awareness and illness perception in adults with severe obesity undergoing bariatric surgery, from the pre-operative phase to long-term follow-up. The study also explores the relationship between these psychological constructs and clinical and behavioral outcomes over time.

A promising-looking record is not the same as confirmed eligibility. The study team must review the full criteria and current recruitment status.

Basic eligibility

Age18 Years to Not listed

SexAll

Healthy volunteersNot accepted

ConditionObesity

Full registry criteria

Inclusion Criteria: * Adults aged 18 years or older. * Diagnosis of severe or morbid obesity (body mass index ≥35 kg/m² with obesity-related comorbidities or ≥40 kg/m²). * Undergoing multidisciplinary evaluation with indication for bariatric surgery. * Ability to provide informed consent and complete self-administered questionnaires. Exclusion Criteria: * Age younger than 18 years. * Presence of neurological disorders associated with cognitive impairment that may interfere with questionnaire completion. * Pregnancy or breastfeeding at the time of enrollment. * Inability to complete study assessments due to language barriers or other conditions limiting participation.

Treatments and study arms

The registry does not list a named intervention.

Primary outcomes

Change in interoceptive awareness measured by the Multidimensional Assessment of Interoceptive Awareness (MAIA)Baseline to 24 months after bariatric surgery

Change from baseline to 24 months in MAIA subscale scores. The MAIA is a validated 32-item self-report questionnaire assessing interoceptive awareness across 8 dimensions. Each item is rated on a Likert scale, and subscale scores are calculated as the mean of corresponding items. Higher scores indicate greater interoceptive awareness.

Study locations

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Fondazione Policlinico Universitario A. Gemelli IRCCS🇮🇹 Rome, Lazio, Italy

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Maria Rosaria Magurano, PCContact

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