Status:

SUSPENDED

Effective Adjunctive Use of Pergolide for Cognitive Impairment and Negative Symptoms in Schizophrenia

Lead Sponsor:

Hamamatsu University

Conditions:

Schizophrenia

Negative Symptoms

Eligibility:

All Genders

18-50 years

Brief Summary

Dopamine has been closely associated with prefrontal function. The hypothesis that a lower dopaminergic activity is associated with negative symptoms and cognitive dysfunction observed in the patients...

Eligibility Criteria

Inclusion

  • Patients
  • Were age 18-50 years, met the DSM-IV criteria for schizophrenia
  • Were treated with a stable dose of risperidone, raging 2 to 6mg, for more than 8 weeks
  • Had a score ≥15 on negative subscale items in Positive and Negative Syndrome Scale (PANSS)
  • Had a minimum period of symptom stability, defined as no more than 20% change on consecutive ratings on PANSS for at lease 4 weeks

Exclusion

  • Had a history of medical condition or drug treatment that may have affected cognitive performance
  • Had a history of other psychiatric disorders

Key Trial Info

Start Date :

March 1 2003

Trial Type :

OBSERVATIONAL

End Date :

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT00197483

Start Date

March 1 2003

Last Update

September 20 2005

Active Locations (1)

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1

Hamamatsu University Hospital

Hamamatsu, Shizuoka, Japan, 431-3192