Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

A Phase 4 Study to Evaluate Response to Treatment and Safety of Paliperidone Extended-Release in Participants With Schizophrenia

This study has been completed.
Information provided by (Responsible Party):
Janssen-Cilag Turkey Identifier:
First received: June 5, 2009
Last updated: October 9, 2013
Last verified: October 2013
The purpose of this study is to evaluate the response to treatment and safety of paliperidone extended-release (mechanism to dissolve a drug over time in order to be released slower and steadier into the blood stream) in participants with schizophrenia (psychiatric disorder with symptoms of emotional instability, detachment from reality, often with delusions and hallucinations, and withdrawal into the self).

Condition Intervention Phase
Drug: Paliperidone extended-release (ER)
Phase 4

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: An Open-label, Single-arm, Multicenter, Phase IV Study to Evaluate the Response to Treatment and Safety of Flexible Dose Treatment With Extended-release Paliperidone in Patients With Schizophrenia

Resource links provided by NLM:

Further study details as provided by Janssen-Cilag Turkey:

Primary Outcome Measures:
  • Change from Baseline in Total Personal and Social Performance (PSP) Score at Month 12 [ Time Frame: Baseline and Month 12 ]
    The PSP is a clinician-rated scale that reflects social functioning in 4 domains of behavior (socially useful activities including work and study, personal and social relationships, self care, and disturbing and aggressive behaviors). The total score ranges from 1 to 100 (score of 71 to 100 will have a mild degree of difficulty; from 31 to 70, varying degrees of disability; less than or equal to 30, functioning so poorly as to require intensive supervision) divided into 10 equal intervals to rate the degree of difficulty (i=absent to vi=very severe) in each of the 4 domains.

Secondary Outcome Measures:
  • Change from Baseline in Global Assessment of Functioning (GAF) Score at Month 12 [ Time Frame: Baseline and Month 12 ]
    The GAF is a 100-point tool to measure overall psychological, social and occupational functioning of adults. The higher score range (that is, 91 to 100) refers to a superior functioning in a wide range of activities, and absence of symptoms. The lower score range (that is, 1 to 10) refers to persistent danger of severely hurting self or others; or persistent inability to maintain minimum personal hygiene; or serious suicidal act with clear expectation of death.

  • Change from Baseline in Total Positive and Negative Syndrome Scale (PANSS) Score and Subscales Score at Month 12 [ Time Frame: Baseline and Month 12 ]
    The PANSS is a scale which measures the severity of psychotic symptoms of schizophrenia. Score ranges from 30 to 210 where 30=best and 210=worst. The scale consists of three subscales: positive subscale (Range 7 to 49), negative subscale (Range 7 to 49) and general psychopathology subscale (Range 16 to 112), which measures from absent to extreme condition. Higher scores indicate worsening.

  • Change from Baseline in Short Form (SF)-36 Scale Score at Month 12 [ Time Frame: Baseline and Month 12 ]
    The SF-36 is a survey that measures 8 domains of health including: physical functioning, role limitations due to physical health (role-physical), bodily pain, general health perceptions, vitality, social functioning, role limitations due to emotional problems (role-emotional) and general mental health. Each item is scored on a range of 0 to 100. Worst value is 0 and best value is 100.

  • Change from Baseline in Percentage of Participants With Relapse at Month 12 [ Time Frame: Baseline and Month 12 ]
    The relapse will be diagnosed if participants meet any of the following criteria on 2 consecutive evaluations conducted 3 to 5 days apart: Psychiatric hospitalization; increase in level of care necessary and 25 percent increase in total PANSS score from Baseline; significant clinical deterioration defined as a clinical global impression of change scale score of 6 (indicating much worse); deliberate self-injury; clinically significant suicidal or homicidal ideation; violent behavior resulting in significant injury to another person or property; exceeding the registered dose of drug.

Enrollment: 84
Study Start Date: May 2009
Study Completion Date: October 2011
Primary Completion Date: October 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Paliperidone extended-release (ER) Drug: Paliperidone extended-release (ER)
Paliperidone ER tablets will be administered orally once daily as flexible dose ranging from 3 to 12 milligram (mg) per day for 12 months. The recommended dose will be 6 mg once daily.
Other Name: Invega

Detailed Description:
This is a non-randomized, single-arm, multi-center (conducted in more than one center) study to explore response to treatment and safety of flexible dose of paliperidone extended-release (ER) in participants with schizophrenia. During the study period, dose of paliperidone ER will remain within the range of 3 to 12 milligram per day and will be administered for 12 months. Both hospitalized and non-hospitalized participants may be included in the study. Participants may switch to any effective dose of paliperidone ER from any oral antipsychotic medication without dose adjustment or if required, cross-dose adjustment may be done. Maximum 4 weeks of switching period is allowed. Use of anticholinergic (opposing the actions of the acetylcholine, a neurotransmitter) drugs will not be restricted. Response to treatment will be evaluated primarily through total Personal and Social Performance (PSP) Scale. Participants' safety will be monitored throughout the study.

Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Schizophrenia diagnosis according to Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV)
  • Recent onset (less than 3 years after the first episode/hospitalization) schizophrenia but either not on antipsychotic medication for at least 3 months or in need of antipsychotic medication switches because of safety and/or lack of efficacy reasons
  • To be considered physically healthy at Screening according to vital signs and physical examination findings. If there are abnormalities, they must be consistent with the underlying illness in the study population
  • Women at postmenopausal state for at least 1 year; or undergone surgical sterilization, or for women with child-bearing status, should be willing to use an effective contraceptive method throughout the study
  • Participants who are willing and capable to complete the questionnaires

Exclusion Criteria:

  • Use of clozapine, depot neuroleptics or risperidone within the last 3 months
  • Any unstable clinical condition including clinically important abnormal laboratory findings
  • Previous and current tardive dyskinesia (abnormal involuntary movements which primarily affect the extremities, trunk, or jaw) symptoms
  • History of malignant neuroleptic syndrome
  • To be considered carrying high risk regarding adverse effects, homicide and/or suicide
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00915512

Adana, Turkey
Ankara, Turkey
Antalya, Turkey
Bursa, Turkey
Istanbul, Turkey
Manisa, Turkey
Samsun, Turkey
Sponsors and Collaborators
Janssen-Cilag Turkey
Study Director: Janssen-Cilag Turkey Clinical Trial Janssen-Cilag Turkey
  More Information

Additional Information:
Responsible Party: Janssen-Cilag Turkey Identifier: NCT00915512     History of Changes
Other Study ID Numbers: CR016543
Study First Received: June 5, 2009
Last Updated: October 9, 2013

Keywords provided by Janssen-Cilag Turkey:

Additional relevant MeSH terms:
Schizophrenia Spectrum and Other Psychotic Disorders
Mental Disorders
Paliperidone Palmitate
Antipsychotic Agents
Tranquilizing Agents
Central Nervous System Depressants
Physiological Effects of Drugs
Psychotropic Drugs
Serotonin 5-HT2 Receptor Antagonists
Serotonin Antagonists
Serotonin Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Dopamine D2 Receptor Antagonists
Dopamine Antagonists
Dopamine Agents processed this record on April 21, 2017