A Study of RO4917838 in Patients With Persistent, Predominant Negative Symptoms of Schizophrenia (NN25310)
| Status: | Completed |
|---|---|
| Conditions: | Schizophrenia |
| Therapuetic Areas: | Psychiatry / Psychology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 8/3/2016 |
| Start Date: | December 2010 |
| End Date: | May 2014 |
A Phase III, Multi-center, Randomized, 24 Week, Double-blind, Parallel-group, Placebo-controlled Study to Evaluate Efficacy and Safety of RO4917838 in Stable Patients With Persistent, Predominant Negative Symptoms of Schizophrenia Treated With Antipsychotics Followed by a 28 Week, Double-blind Treatment Period.
This multi-center, randomized, double-blind, parallel-group, placebo-controlled study will
evaluate the efficacy and safety of RO4917838 in patients with persistent, predominant
negative symptoms of schizophrenia. Patients, on stable treatment with antipsychotics, will
be randomized to receive daily oral doses of RO4917838 or matching placebo for 52 weeks,
followed by an optional treatment extension for up to 3 years.
evaluate the efficacy and safety of RO4917838 in patients with persistent, predominant
negative symptoms of schizophrenia. Patients, on stable treatment with antipsychotics, will
be randomized to receive daily oral doses of RO4917838 or matching placebo for 52 weeks,
followed by an optional treatment extension for up to 3 years.
Inclusion Criteria:
- Adult patients, aged 18 years and above
- Diagnosis of schizophrenia of paranoid, disorganized, residual, undifferentiated or
catatonic subtype
- Predominant negative symptoms
- With the exception of clozapine, patients are on any of the available marketed
atypical or typical antipsychotics (treatment with a maximum of two antipsychotics)
Exclusion Criteria:
- Evidence that patient has clinically significant, uncontrolled and unstable disorder
(e.g. cardiovascular, renal, hepatic disorder)
- Body Mass Index (BMI) of <17 or >40 kg/m2
- Depressive symptoms, defined as a score of 9 or greater on the Calgary Depression
Rating Scale for Schizophrenia (CDSS)
- A severity score of 3 or greater on the Parkinsonism item of the ESRS-A (Clinical
Global Impression, Parkinsonism)
We found this trial at
27
sites
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