Status:

UNKNOWN

Guided Dose Reduction of Antipsychotic in Patients With Psychosis in Remitted States

Lead Sponsor:

National Taiwan University Hospital

Conditions:

Psychosis

Remission

Eligibility:

All Genders

18-50 years

Brief Summary

A 2-year prospective observational study comparing a group of patients in remitted states of psychosis undergoing guided antipsychotic dose reduction to a similar group of patients under maintenance a...

Detailed Description

Early intervention at the beginning of schizophrenia and related psychotic disorders can get better treatment response. Once symptoms subsided, the majority of patients wish to discontinue medications...

Eligibility Criteria

Inclusion

  • A diagnosis of schizophrenia, schizophreniform disorder, psychosis NOS, based on the DSM-5 criteria
  • With a Positive and Negative Syndrome Scale (PANSS), score \< 3 in all 3 positive symptoms (P1: delusion, P2: conceptual disorganization, P3: hallucination) and 2 general symptoms (G9: unusual thought, G5: mannerism and posturing) for at least 3 months
  • With a PANSS score \< 4 in all 3 negative symptoms (N1: blunted affect, N4: social withdrawal, N6: lack of spontaneity/flow in conversation) for at least 3 months
  • Currently receiving antipsychotic treatment at a fixed dose for at least 3 months, including long-acting injectable antipsychotic
  • A second antipsychotic agent only used for a low-dose, as needed adjuvant purpose
  • No revised use of benzodiazepines, antidepressants, anticholinergics, or other concomitant medications during past 3 months -

Exclusion

  • A score of 5 or more on any of the 30 PANSS rating items at screening
  • Admission to acute psychiatric unit during past 6 months
  • A change in dose of current antipsychotic medication in recent 3 months
  • Concomitant use of mood stabilizers, such as lithium, valproic acid or other anti-epileptic drugs
  • Mental retardation known as IQ below 70 prior to the diagnosis of schizophrenia
  • A history of pervasive mental disorder or bipolar disorder
  • A medical condition with significant cognitive sequelae
  • A history of substance dependence during past 6 months
  • Currently in pregnancy or breastfeeding

Key Trial Info

Start Date :

July 24 2017

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 31 2020

Estimated Enrollment :

160 Patients enrolled

Trial Details

Trial ID

NCT03248180

Start Date

July 24 2017

End Date

December 31 2020

Last Update

August 14 2017

Active Locations (1)

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1

National Taiwan University Hospital

Taipei, Taiwan, 100