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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT00138775
Other study ID # SHEBA-03-3093-MW-CTIL
Secondary ID
Status Recruiting
Phase Phase 2
First received August 28, 2005
Last updated December 24, 2006
Start date October 2004
Est. completion date October 2007

Study information

Verified date October 2006
Source Sheba Medical Center
Contact Mark Weiser, MD
Phone ++972-352-6666575
Email mweiser@netvision.net.il
Is FDA regulated No
Health authority Israel: Israeli Health Ministry Pharmaceutical Administration
Study type Interventional

Clinical Trial Summary

The goal of the present study is to evaluate the effect of D-serine, added to antipsychotic treatment, on negative and cognitive symptoms in schizophrenia.

The investigators are hypothesizing that D-serine will improve cognitive functioning and negative symptoms.


Recruitment information / eligibility

Status Recruiting
Enrollment 200
Est. completion date October 2007
Est. primary completion date
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 64 Years
Eligibility Inclusion Criteria:

- Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) diagnosis of schizophrenia and\or schizoaffective disorder.

- Age between 18 to 64.

- PANSS negative symptom score higher than 19.

- SAS total score lower than 12.

- CDSS suicidal risk lower than 2

Exclusion Criteria:

- Epilepsy

- Meets DSM-IV criteria for mental retardation.

- Medical condition which confounds presentation or treatment (e.g. uncontrolled diabetes mellitus, history of kidney stones, acute drug toxicity, dementia, delirium, stroke, etc.)

- Meets DSM-IV criteria for alcohol or drug dependence in last 6 months.

- Meets DSM-IV criteria for alcohol or drug abuse in last one month.

- Treatment with clozapine.

- Current positive pregnancy test or not using acceptable method of birth control.

- Meets DSM-IV criteria for current anxiety or mood disorders

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Intervention

Drug:
D-serine


Locations

Country Name City State
Israel Ha-Emek Medical Center Afula
Israel Mazra Mental Health Center Akko
Israel Abarbanel Mental Health Center Bat Yam
Israel Beer-Yaacov Mental Health Center Beer-Yaacov
Israel Shalvata Mental Health Center Hod Hasharon
Israel Kfar Shaul Psychiatric Hospital Jerusalem
Israel The Sarah Herzog Memorial Hospital Jerusalem
Israel Nes-Ziona Mental Health Center Nes Ziona
Israel Lev Hasharon Mental Health Center Pardesiyya
Israel Geha Mental Health Center Petah Tiqwa
Israel Sheba Medical Center Ramat-Gan
Israel Shaar Menashe Mental Health Center Shaar Menashe
Israel Jaffa Mental Health Center Tel Aviv
Israel Maccabi Mental Health Center Tel Aviv

Sponsors (2)

Lead Sponsor Collaborator
Sheba Medical Center Stanley Medical Research Institute

Country where clinical trial is conducted

Israel, 

Outcome

Type Measure Description Time frame Safety issue
Primary SANS - Scale for the Assessment of Negative Symptoms - weeks 0, 8 and 16
Primary Measurement and Treatment Research for Cognition in Schizophrenia (MATRICS) battery - visit weeks 0, 8 and 16
Secondary Positive and Negative Syndrome Scale of Schizophrenia (PANSS) positive, negative, general and total score - weeks 0, 8 and 16
Secondary Simpson-Angus Scale (SAS) total score - weeks 0, 8 and 16
Secondary Clinical Global Impressions (CGI) score - weeks 0, 8 and 16
Secondary Calgary Depression Scale for Schizophrenia (CDSS) score - weeks 0, 8 and 16
Secondary Side effect check list
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