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Trial registered on ANZCTR
Registration number
ACTRN12608000461392
Ethics application status
Approved
Date submitted
29/08/2008
Date registered
16/09/2008
Date last updated
20/08/2013
Type of registration
Prospectively registered
Titles & IDs
Public title
Clinical Trial of a Selective Estrogen Receptor Modulator (raloxifene) in Schizophrenia
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Scientific title
Clinical Trial of a Selective Estrogen Receptor Modulator (raloxifene) in the treatment of cognitive deficits and psychotic symptoms of patients with schizophrenia
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Secondary ID [1]
698
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Nil
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Universal Trial Number (UTN)
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Trial acronym
CASSI study
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
cognitive deficits in patients with schizophrenia
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psychotic symptoms in patients with schizophrenia
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Condition category
Condition code
Mental Health
3784
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0
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Schizophrenia
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
raloxifene at a daily oral intake dose of 120 mg/day. A thirteen week double-blind, cross-over design will be used in which patients will receive either raloxifene or placebo as an adjunctive treatment to their previously stabilized antipsychotic medication. Following treatment in the first 6-week phase, patients will then enter a one week wash-out before entering the second 6-week phase consisting of the alternate treatment (raloxifene or placebo). Thus, in total, participants will be treated with raloxifene for a period of 6 weeks.
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Intervention code [1]
3334
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Treatment: Drugs
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Comparator / control treatment
placebo (lactose) pill administered orally.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Verbal Fluency Controlled Oral Word Association Test
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Assessment method [1]
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Timepoint [1]
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baseline, week 6, week 13
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Primary outcome [2]
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verbal immediate and delayed story recall Wechlser Memory Scale III
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Assessment method [2]
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Timepoint [2]
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baseline, week 6, week 13
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Primary outcome [3]
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working memory Letter-Number Sequencing Wechsler Adult Intelligence Scale III
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Assessment method [3]
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Timepoint [3]
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baseline, week 6, week 13
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Secondary outcome [1]
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positive and negative symptoms assessed using Positive and Negative Symptom Scale (PANSS) scores
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Assessment method [1]
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Timepoint [1]
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baseline, week 6, week 13
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Eligibility
Key inclusion criteria
Male and female patients with schizophrenia between the ages of 18 and 45 who have been receiving any antipsychotic medication for at least one year can participate.
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Minimum age
18
Years
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Maximum age
55
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
Any patients with a psychiatric diagnosis other than schizophrenia or a history of substance dependence (within past 5 years), head injuries with loss of consciousness, seizures, central nervous system infection, diabetes, hypertension, lactose intolerance, superficial thrombophlebitis (pain and inflammation in a vein just under the skin), thromboembolic disease (blood clotting disease), congestive heart failure, or who have had reactions to raloxifene will be excluded.
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Study design
Purpose of the study
Treatment
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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)
Participants were enrolled and allocated a participant number obtained from Prince of Wales Hospital Pharmacy which controlled the randomization schedule.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation by using a randomization table created by a computer software (i.e., computerised sequence generation).
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Crossover
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
ANOVA, t-tests, cluster analyses. The number of participants was determined on the basis of a power analysis. The number of participants would be large enough to detect an effect of treatment alone, however, the larger sample size was required to detect an effect of treatment on the basis of ESR1 genotype and diagnosis which would reduce the numbers in each of the groups.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
22/09/2008
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Actual
22/07/2009
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Date of last participant enrolment
Anticipated
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Actual
1/06/2012
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
80
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,SA
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Recruitment hospital [1]
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Prince of Wales Hospital - Randwick
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Recruitment postcode(s) [1]
1121
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2031
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Recruitment postcode(s) [2]
1122
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2035
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of New South Wales
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Address [1]
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Barker Street
Randwick NSW 2031
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Country [1]
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Australia
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Funding source category [2]
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Charities/Societies/Foundations
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Name [2]
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Schizophrenia Research Institute
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Address [2]
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384 Victoria Street
Darlinghurst NSW 2010
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Country [2]
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Australia
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Funding source category [3]
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Government body
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Name [3]
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National Health and Medical Research Council
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Address [3]
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16 Marcus Clarke Street
Canberra, ACT2601
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Country [3]
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Australia
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Funding source category [4]
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Government body
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Name [4]
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New South Wales Ministry of Health
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Address [4]
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Locked Mail Bag 961
North Sydney, NSW 2059
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Country [4]
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Australia
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Primary sponsor type
University
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Name
University of New South Wales
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Address
Sydney, NSW 2052
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Country
Australia
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Secondary sponsor category [1]
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University
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Name [1]
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University of New South Wales
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Address [1]
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Barker Street
Randwick NSW 2031
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Country [1]
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Australia
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Secondary sponsor category [2]
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Other
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Name [2]
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Prince of Wales Medical Research Institute
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Address [2]
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Barker and Easy Streets
Randwick NSW 2031
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Country [2]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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University of New South Wales Human Research Ethics Committee [HREC]
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Ethics committee address [1]
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Barker Street Randwick NSW 2031
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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10/05/2007
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Approval date [1]
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09/08/2007
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Ethics approval number [1]
5857
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UNSW HREC 07121
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Ethics committee name [2]
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South East Sydney Illawarra Area Health Service Human Research Ethics Committee [HREC]
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Ethics committee address [2]
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Avoca Street Randwick NSW 2031
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Ethics committee country [2]
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Australia
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Date submitted for ethics approval [2]
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30/10/2007
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Approval date [2]
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23/07/2008
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Ethics approval number [2]
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SESIAHS HREC 07/259
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Ethics committee name [3]
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Adelaide Health Service
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Ethics committee address [3]
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11 Hindmarsh Square, Adelaide, SA 5000
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Ethics committee country [3]
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Australia
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Date submitted for ethics approval [3]
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07/07/2011
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Approval date [3]
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15/09/2011
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Ethics approval number [3]
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2010188
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Summary
Brief summary
The objectives of this study are to determine the extent to which 1) a hormone intervention therapy will reduce psychotic symptoms and improve cognitive function in patients with schizophrenia, 2) genetic changes in the oestrogen receptor alpha gene can be used to predict cognitive improvement in patients with schizophrenia, and 3) hormone intervention therapy will modify brain activation as assessed by functional Magnetic Resonance Imaging in patients with schizophrenia. Our hypotheses are: 1) adjunctive administration of a selective estrogen receptor modulator (SERM) will improve clinical symptoms and estrogen-sensitive cognitive deficits exhibited by patients with schizophrenia, 2) common variation in the oestrogen receptor alpha gene will predict the degree of cognitive improvement with SERM treatment in patients with schizophrenia, 3) adjunctive SERM treatment will modify dysfunctional brain activity during a cognitive test in patients with schizophrenia, and 4) that the altered SERM related dorsolateral prefrontal activity will be related to specific oestrogen receptor alpha genotypes.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Thomas Weickert
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Address
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Neuroscience Research Australia
Barker Street
Randwick, NSW 2031
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Country
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Australia
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Phone
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02 9399 1730
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Fax
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02 9399 1034
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Email
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[email protected]
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Contact person for public queries
Name
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Thomas Weickert
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Address
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Neuroscience Research Australia
Barker Street
Randwick, NSW 2031
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Country
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Australia
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Phone
12042
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02 9399 1730
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Fax
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02 9399 1034
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Email
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[email protected]
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Contact person for scientific queries
Name
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Thomas Weickert
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Address
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Neuroscience Research Australia
Barker Street
Randwick, NSW 2031
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Country
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Australia
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Phone
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02 9399 1730
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Fax
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02 9399 1034
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Current supporting documents:
Updated to:
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
23137
Study protocol
[email protected]
23138
Statistical analysis plan
[email protected]
23139
Clinical study report
[email protected]
Results publications and other study-related documents
Documents added manually
Current Study Results
No documents have been uploaded by study researchers.
Update to Study Results
Doc. No.
Type
Is Peer Reviewed?
DOI
Citations or Other Details
Attachment
4229
Study results article
Yes
Weickert TW, Weinberg D, Lenroot R, Catts SV, Well...
[
More Details
]
83116-(Uploaded-19-11-2023-07-07-58)-Journal results publication.pdf
Documents added automatically
No additional documents have been identified.
Download to PDF