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SPECT Investigation Of The NMDA Receptor System In Healthy Volunteers And Patients With Schizophrenia

Schizophrenia Clinical Trial

Official title:
Investigation of the NMDA Receptor System in Man as a Potential Surrogate Marker for Deficit Syndrome in Schizophrenia: a [123]I-CNS 1261 Single Photon Emission Tomography (SPET) Study

Clinical Trial Summary

This study was designed to compare the [123]I-CNS 1261 binding to NMDA receptor between healthy volunteers and different subgroups of schizophrenic patients. Investigation of the potential influence of antipsychotic and concomitant medication on [123I] CNS 1261 binding is also relevant.Fifteen healthy subjects (male and female of non-child bearing potential) will be recruited and 40 schizophrenic patients divided in 3 subgroups as indicated before: Subgroup a) treatment-naive, (n=10); Subgroup b) on stable treatment with risperidone (without criteria of deficit syndrome on the SDS scale, (n=15);Subgroup c) on stable treatment with risperidone fitting criteria of deficit syndrome on the SDS scale, (n=15).

Clinical Trial Description

n/a

Study Design

Allocation: Non-Randomized, Endpoint Classification: Pharmacodynamics Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00364429
Study type Interventional
Source GlaxoSmithKline
Contact
Status Terminated
Phase Phase 1
Start date July 2005
Completion date July 2005
View Details
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