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An Efficacy and Safety Study of Long-acting Risperidone in Participants With Schizophrenia or Schizoaffective Disorders Who Are Receiving Psychiatric Home Care Treatment

Information source: Johnson & Johnson Taiwan Ltd
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Schizophrenia; Schizoaffective Disorders

Intervention: Risperidone (Drug)

Phase: Phase 4

Status: Completed

Sponsored by: Johnson & Johnson Taiwan Ltd

Official(s) and/or principal investigator(s):
Johnson & Johnson Taiwan, Ltd. Clinical Trial, Study Director, Affiliation: Johnson & Johnson Taiwan Ltd

Summary

The purpose of this study is to evaluate the efficacy and safety of long-acting risperidone microspheres (small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers) in participants with schizophrenia (psychiatric disorder with symptoms of emotional instability, detachment from reality, often with delusions and hallucinations, and withdrawal into the self) and schizoaffective disorders (a mixed psychiatric disorder relating to a complex psychotic state that has features of both schizophrenia and a mood disorder such as bipolar disorder), who are receiving psychiatric home-care treatment .

Clinical Details

Official title: Evaluation of Efficacy and Safety of Long-acting Risperidone Microspheres in Patients With Schizophrenia or Schizoaffective Disorders, Who is Receiving Psychiatric Home-care Treatment, When Switching From Typical Depot or Oral Antipsychotics to Long-acting Risperidone Microspheres

Study design: Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Change From Baseline in Positive and Negative Syndromes Scale (PANSS) Total Score at Week 24

Secondary outcome:

Personal and Social Performance (PSP) Scale Score

Clinical Global Impression (CGI) Scale Score

Short Form-36 (SF-36) - Quality of Life Score

Change From Baseline in Simpson Angus Rating Scale (SAS) Score at Week 24

Change From Baseline in Extrapyramidal Symptoms Rating Scale (ESRS) Total Score at Week 24

Number of Participants Compliant With Study Treatment

Detailed description: This is an open-label (all people know the identity of the intervention), multi-centric (conducted in more than one center), non-randomized and single-arm study of long- acting risperidone microspheres in participants with schizophrenia and schizoaffective disorders. The duration of this study will be 6 months and will include following parts: Screening (that is, 28 days before study commences on Day 1), run-in period (that is, Week 1 to 3) and Treatment period (that is, Week 1 to 24). Participants will receive previous medication for the first three weeks during run-in period and previous medications will be tapered off during the third week. Participants will receive long-acting risperidone microspheres starting at a dose of 25 milligram (mg) every two weeks by intramuscular injection (injection of a substance into a muscle). Efficacy of the participants will be primarily evaluated through Positive and Negative Syndrome Scale.

Eligibility

Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Meet the diagnostic criteria for schizophrenia or schizoaffective disorder according

to Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV)

- Participant has been given an adequate dose of an appropriate antipsychotic for an

adequate period of time prior to enrollment, but previous treatment is considered unsatisfactory due to one or more of the following reasons: lack of efficacy, lack of tolerability or safety, lack of compliance and/or other reasons to switch to another antipsychotic medication

- Female participants must be postmenopausal, surgically sterile, or practicing an

effective method of birth control before entry and throughout the study; have a negative urine betahuman chorionic gonadotropin (HCG) pregnancy test at screening; and a negative urine pregnancy test on screening visit

- Participants or their legally acceptable representatives must have signed an informed

consent document Exclusion Criteria:

- Participants with a primary, active DSM-IV diagnosis other than schizophrenia and

schizoaffective disorder

- Participants with relevant history or current presence of any significant and/or

unstable cardiovascular, respiratory, neurological (including seizures or significant cerebrovascular), renal, hepatic, hematologic, endocrine, immunologic or other systemic disease

- Participants that are previously on concomitant use of Risperdal CONSTA

- History or current symptoms of tardive dyskinesia

- History of neuroleptic malignant syndrome (NMS)

Locations and Contacts

Additional Information

An Efficacy and Safety Study of Long-acting Risperidone in Participants with Schizophrenia or Schizoaffective disorders who are Receiving Psychiatric Home Care Treatment

Starting date: July 2007
Last updated: February 27, 2014

Page last updated: August 23, 2015

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