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Related Experiment Videos

Cognitive therapy for schizophrenia: a preliminary randomized controlled trial.

Neil A Rector1, Mary V Seeman, Zindel V Segal

  • 1Mood and Anxiety Program, Centre for Addiction and Mental Health, Clarke Division, University of Toronto, 250 College Street, Toronto, ON, Canada M5T 1R8. neil_rector@camh.net

Schizophrenia Research
|August 2, 2003
PubMed
Summary

Cognitive-behavioural therapy (CBT) added to enriched treatment shows promise for schizophrenia patients. The most significant impact of CBT was observed in reducing negative symptoms during follow-up.

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Area of Science:

  • Psychiatry
  • Clinical Psychology

Background:

  • Schizophrenia often presents with persistent positive and negative symptoms.
  • Standard treatments may not fully address symptom severity in all patients.

Purpose of the Study:

  • To evaluate the efficacy of adding cognitive-behavioural therapy (CBT) to enriched standard treatment for schizophrenia.
  • To assess improvements in positive and negative symptoms in patients with schizophrenia.

Main Methods:

  • A controlled study randomized 42 schizophrenia patients into two groups: CBT plus enriched treatment-as-usual (CBT-ETAU) and enriched treatment-as-usual (ETAU) only.
  • CBT was delivered individually over 6 months (20 sessions).
  • Clinical assessments were conducted at baseline, post-treatment, and 6-month follow-up by blinded raters.

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Main Results:

  • Patients receiving CBT-ETAU showed significant improvements in positive, negative, and overall symptom severity.
  • No statistically significant differences between groups were found immediately post-treatment.
  • The most notable effect of CBT-ETAU was a reduction in negative symptoms at the 6-month follow-up.

Conclusions:

  • Cognitive-behavioural therapy demonstrates potential benefits for schizophrenia, particularly in targeting negative symptoms.
  • Explicitly addressing negative symptoms within CBT interventions may enhance treatment outcomes.