Oral Risperidone Versus Injectable Paliperidone Palmitate for Treating First-Episode Schizophrenia
This study will determine the efficacy of oral risperidone (Risperdal) versus long-acting injectable paliperidone palmitate (Invega Sustenna) in treating people with first-episode schizophrenia.
Drug: paliperidone palmitate
|Study Design:||Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
|Official Title:||Clinical and Cognitive Effects of Paliperidone Palmitate vs. Oral Risperidone in First-Episode Schizophrenia|
- Exacerbation or relapse of psychotic symptoms [ Time Frame: Evaluated for 12 months ] [ Designated as safety issue: No ]Exacerbation or relapse of psychotic symptoms, as measured by the Brief Psychiatric Rating Scale (BPRS)
- Cognitive functioning based on Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) Consensus Cognitive Battery [ Time Frame: Baseline to 12 months ] [ Designated as safety issue: No ]The Overall Composite Score from the MATRICS Consensus Cognitive Battery will be the primary cognitive outcome measure.
- Role Functioning [ Time Frame: Baseline to 12 months ] [ Designated as safety issue: No ]Role Functioning Scale (RFS; Goodman et al. 1993).
- Cognitive performance on test battery (MCCB) [ Time Frame: Measured at baseline and 12 months ] [ Designated as safety issue: No ]The cognitive domain scores from the MATRICS Consensus Cognitive Battery (MCCB) will be used as secondary measures to identify the domains in which treatment effects occurred.
- Insight (Awareness of Mental Disorder) [ Time Frame: Measured at baseline and 12 months ] [ Designated as safety issue: No ]Awareness of illness, as assessed by the Scale to Assess Unawareness of Mental Disorder, Revised Version (SUMD-R)
- Retention in treatment [ Time Frame: Measured at 12 months ] [ Designated as safety issue: No ]Retention in treatment
- Social functioning [ Time Frame: Baseline to 12 months ] [ Designated as safety issue: No ]Social Functioning Scale (Goodman et al., 1993)
- Emotional reactivity on psychophysiological measures [ Time Frame: Measured at baseline and 12 months ] [ Designated as safety issue: No ]Emotional reactivity on psychophysiological measures
|Study Start Date:||October 2011|
|Estimated Study Completion Date:||December 2017|
|Estimated Primary Completion Date:||December 2017 (Final data collection date for primary outcome measure)|
Experimental: paliperidone palmitate (Invega Sustenna)
Participants will be provided paliperidone palmitate (Invega Sustenna), administered in injectible long-acting form, plus group skills training and case management
Drug: paliperidone palmitate
Other Name: Invega Sustenna
Active Comparator: oral risperidone
Participants will be provided oral risperidone, plus group skills training and case management
Other Name: Risperdal
Schizophrenia is a severely disabling brain disorder. People with schizophrenia often experience hallucinations, delusions, thought disorders, and movement disorders. Proper treatment of first-episode schizophrenia may increase the chances of controlling disease progression on a long-term basis. People experiencing their first episode of schizophrenia are more responsive to treatment than those with chronic schizophrenia, but are also more susceptible to adverse treatment side effects. Atypical antipsychotic medications have been shown to produce fewer extrapyramidal side effects than older "typical" antipsychotics. Oral risperidone is an atypical antipsychotic medication that is very commonly used to control the symptoms of schizophrenia. Adherence to prescribed oral medication continues to be a major clinical issue. This study will determine the effectiveness of oral risperidone versus a long-acting injectible alternative, paliperidone palmitate, in treating people with first-episode schizophrenia. Impact on clinical symptoms and cognitive functioning will be examined.
Participants in this open label study will be randomly assigned to receive either orally administered risperidone or long-acting paliperidone palmitate administered via injection. Participants assigned to oral risperidone will receive medication in doses that are determined to be optimal by the study psychiatrist. Participants assigned to long-acting risperidone will receive an injection of paliperidone palmitate once every 4 weeks. Dosages will be adjusted as necessary to achieve the optimal dosage. Following 2 to 3 months to achieve outpatient oral risperidone dosage stabilization, the randomized medication conditions will begin and participants will be monitored for 1 year. Study visits will occur once weekly throughout the study. They will include psychiatrist monitoring of medication response and side effects; group therapy meetings focused on everyday living skills; family education about schizophrenia; and individual meetings with a case manager for counseling and evaluations of schizophrenia symptoms, work recovery, and social functioning.
|Contact: Kenneth L Subotnik, Ph.D.||(310) email@example.com|
|Contact: Luana Turner, Psy.D.||(310) firstname.lastname@example.org|
|United States, California|
|UCLA Semel Institute for Neuroscience and Human Behavior||Recruiting|
|Los Angeles, California, United States, 90095|
|Contact: Keith H Nuechterlein, Ph.D. 310-825-0036 email@example.com|
|Contact: Kenneth L Subotnik, Ph.D. (310) 825-0334 firstname.lastname@example.org|
|Principal Investigator: Keith H Nuechterlein, Ph.D.|
|Sub-Investigator: Kenneth L Subotnik, Ph.D.|
|Principal Investigator:||Keith H Nuechterlein, Ph.D.||University of California, Los Angeles (UCLA) Semel Institute for Neuroscience and Human Behavior|