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Related Experiment Videos

Small intestine permeability in schizophrenia.

M T Lambert1, I Bjarnason, J Connelly

  • 1Academic Department of Psychiatry, St Mary's Hospital Medical School, London.

The British Journal of Psychiatry : the Journal of Mental Science
|November 1, 1989
PubMed
Summary

This study found no significant differences in gastrointestinal permeability in patients with schizophrenia compared to healthy individuals. Schizophrenia appears unrelated to coeliac disease, regardless of symptom severity or medication.

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Area of Science:

  • Gastroenterology
  • Psychiatry
  • Medical Research

Background:

  • Gastrointestinal permeability alterations have been hypothesized in psychiatric disorders.
  • Coeliac disease is an autoimmune disorder affecting the small intestine, often associated with malabsorption.

Purpose of the Study:

  • To investigate gastrointestinal permeability in patients with schizophrenia.
  • To determine if gastrointestinal permeability differs between schizophrenia in relapse and remission.
  • To explore potential links between schizophrenia and coeliac disease.

Main Methods:

  • Utilized 51Cr-labelled EDTA absorption test to assess gastrointestinal permeability.
  • Compared 24 schizophrenia patients (12 relapse, 12 remission) with coeliac disease patients and healthy controls.

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Main Results:

  • No significant differences in gastrointestinal permeability were found between schizophrenia patients and normal controls.
  • Gastrointestinal permeability was consistent between schizophrenia patients in relapse and remission.
  • No effect of anticholinergic or antidepressant medication on gastrointestinal permeability was observed.

Conclusions:

  • Schizophrenia is generally not associated with altered gastrointestinal permeability.
  • The study provides no evidence linking schizophrenia to coeliac disease.
  • Medication does not appear to influence gastrointestinal permeability in schizophrenia patients.