Status:

COMPLETED

Biomarkers in Schizophrenia

Lead Sponsor:

Nathan Kline Institute for Psychiatric Research

Conditions:

Schizophrenia

Schizoaffective Disorder

Eligibility:

All Genders

18-64 years

Phase:

PHASE2

Brief Summary

N-methyl-D-aspartate (NMDA)-type glutamate receptors are thought to play a pivotal role in neurocognitive dysfunction associated with schizophrenia. Further, several novel glutamate-based classes of c...

Detailed Description

16 in- or outpatients with DSM-IV-TR schizophrenia or schizoaffective disorder and prominent negative symptoms will be recruited for this study. This study will consist of a randomized trial of D-seri...

Eligibility Criteria

Inclusion

  • Inclusion criteria:
  • Age 18-64
  • SCID diagnosis of Schizophrenia or Schizoaffective Disorder.
  • PANSS 3 factor negative symptom (screening and baseline visit 1 and visit 3) score of \>20 and PANSS total score between 60-110. Any degree of positive symptoms is acceptable but the total PANSS score must not exceed 110.
  • SAS total score less than or equal to 12 and a Calgary Depression Inventory total score less than or equal to 10 and suicide (item 8) less than moderate (\<2).
  • Two consecutive CGI ratings at screening and baseline (visit 1 and 3) with no change in score.
  • Estimated Glomerular Filtration Rate (GFR)(a measure of renal function) greater than or equal to 60.
  • Exclusion criteria:
  • Organic brain disorder, including epilepsy; mental retardation; or a medical condition whose pathology or treatment would likely alter the presentation or treatment of schizophrenia or significantly increase the risk associated with any of the proposed treatments
  • Current DSM-IV diagnosis of drug/alcohol abuse in last month and current DSM-IV diagnosis of drug/alcohol dependence in last 6 months
  • Pregnant female patients
  • Impaired renal function
  • Significant extrapyramidal symptoms (as reflected by a total score of 10 or above on the SAS scale), and depressive symptoms (as reflected by a score of 10 or above on the Calgary Depression Scale for Schizophrenia)
  • Patients who are unable to or unwilling to participate in the Cognitive assessment (MATRICS) and the electrophysiology tasks .
  • Patients on clozapine

Exclusion

    Key Trial Info

    Start Date :

    June 1 2009

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    July 1 2011

    Estimated Enrollment :

    16 Patients enrolled

    Trial Details

    Trial ID

    NCT00817336

    Start Date

    June 1 2009

    End Date

    July 1 2011

    Last Update

    August 2 2017

    Active Locations (1)

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    Nathan Kline Institute

    Orangeburg, New York, United States, 10962