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Trial registered on ANZCTR
Registration number
ACTRN12605000247673
Ethics application status
Approved
Date submitted
29/08/2005
Date registered
31/08/2005
Date last updated
9/07/2019
Date data sharing statement initially provided
9/07/2019
Type of registration
Retrospectively registered
Titles & IDs
Public title
Second generation intervention research in the pre-psychotic phase of illness in schizophrenia and related psychoses
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Scientific title
Prevention or delay of onset of psychosis in an 'ultra high risk' group: A comparison of risperidone and placebo in combination with intensive psychological treatment
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Secondary ID [1]
127
0
RIS-AUS-9
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Universal Trial Number (UTN)
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Trial acronym
RIS-AUS-9
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Schizophrenia and other psychotic disorders
334
0
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Condition category
Condition code
Mental Health
385
385
0
0
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Schizophrenia
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Mental Health
386
386
0
0
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Other mental health disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
A comparison of the effectiveness of low-dose risperidone (0.5-2.0 mg/day) and intensive psychological treatment vs. placebo and intensive psychological treatment vs. placebo and a control psychological treatment in preventing or delaying the onset of psychosis in young people at risk of developing a psychotic illness: A 12-month blinded, placebo-controlled, parallel groups treatment period followed by a 12-month follow-up period.
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Intervention code [1]
296
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None
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Comparator / control treatment
Placebo and a control psychological treatment
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Control group
Placebo
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Outcomes
Primary outcome [1]
443
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Prevention or delay of onset of psychosis.
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Assessment method [1]
443
0
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Timepoint [1]
443
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At the end of the 12-month treatment period and the 12-month follow-up period
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Secondary outcome [1]
974
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Improvement in general psychopathology and functioning.
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Assessment method [1]
974
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Timepoint [1]
974
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At the end of 12-month treatment period and the 12-month follow-up period.
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Eligibility
Key inclusion criteria
Participants must meet 'ultra high risk' criteria as outlined in Yung, Phillips and McGorry (2004) Treating Schizophrenia in the Prodromal Phase. London: Taylor nd Francis. Also, have not previously experienced psychotic episode, IQ > 70, adequate English skills, and living in Melbourne metro area.
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Minimum age
14
Years
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Maximum age
30
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
No exclusion criteria
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Randomly generated via computer program, medication packaged by automated process, codes stored in locked cabinet and not revealed until trial completed
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Randomly generated via computer program in blocks
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
8/01/2000
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Actual
9/10/2000
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Date of last participant enrolment
Anticipated
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Actual
15/06/2005
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Date of last data collection
Anticipated
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Actual
12/04/2006
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Sample size
Target
200
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Accrual to date
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Final
119
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Recruitment in Australia
Recruitment state(s)
VIC
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Funding & Sponsors
Funding source category [1]
438
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Commercial sector/Industry
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Name [1]
438
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Janssen-Cilag Pharmaceuticals
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Address [1]
438
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Locked Bag 2070
North Ryde
NSW 1670
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Country [1]
438
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Australia
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Primary sponsor type
Commercial sector/Industry
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Name
Janssen-Cilag Pharmaceuticals
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Address
Locked Bag 2070
North Ryde NSW 1670
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Country
Australia
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Secondary sponsor category [1]
356
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None
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Name [1]
356
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nil
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Address [1]
356
0
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Country [1]
356
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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PACE Clinic- Orygen Youth Health, NW Mental Health Program
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Ethics committee address [1]
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Office of Research Ethics & Integrity, Level 4, 161 Barry St, The University of Melbourne, VIC 3010, Australia
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Ethics committee country [1]
1411
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Australia
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Date submitted for ethics approval [1]
1411
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01/06/2000
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Approval date [1]
1411
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30/06/2000
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Ethics approval number [1]
1411
0
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Summary
Brief summary
To investigate whether risperidone either alone or in combination with an intensive psychological treatment can delay or prevent the onset of an acute psychotic episode in young people thought to be at heightened risk of illness. The secondary aim was to investigate whether the interventions were effective in reducing general pscyhopathology in the participants whilst improving functioning.
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Trial website
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Trial related presentations / publications
None
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Public notes
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Contacts
Principal investigator
Name
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Prof Professor Patrick McGorry
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Address
36051
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Orygen Research Centre,
Locked Bag 10,
Parkville VIC 3052, Australia
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Country
36051
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Australia
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Phone
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+61 3 93422800
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Fax
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Email
36051
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[email protected]
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Contact person for public queries
Name
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Dr Barnaby Nelson
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Address
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Personal Assessment Crisis Evaluation (PACE) Clinic
Department of Psychiatry
ORYGEN Research Centre
University of Melbourne
c/- Locked Bag 10
Parkville VIC 3052
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Country
9485
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Australia
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Phone
9485
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+61 3 93176300
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Fax
9485
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+61 3 93170533
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Email
9485
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[email protected]
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Contact person for scientific queries
Name
413
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Prof Patrick McGorry
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Address
413
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Orygen Research Centre
Locked Bag 10
Parkville VIC 3052
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Country
413
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Australia
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Phone
413
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+61 3 93422800
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Fax
413
0
+61 3 93422948
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Email
413
0
[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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