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Trial registered on ANZCTR
Registration number
ACTRN12610000107022
Ethics application status
Approved
Date submitted
26/01/2010
Date registered
2/02/2010
Date last updated
9/12/2011
Type of registration
Retrospectively registered
Titles & IDs
Public title
The effect of an herbal supplement on memory in people who have had a mild traumatic brain injury
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Scientific title
Enzogenol supplementation for improving cognitive function in post-traumatic brain injury (TBI) subjects: a pilot study
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Secondary ID [1]
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nil
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Mild Traumatic Brain Injury
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Condition category
Condition code
Neurological
256836
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0
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Other neurological disorders
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Injuries and Accidents
256859
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0
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Other injuries and accidents
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Alternative and Complementary Medicine
256860
256860
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0
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Herbal remedies
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Pine bark extract supplement, 2x500mg taken once per day for 6 weeks by oral capsule
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Intervention code [1]
255910
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Treatment: Other
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Comparator / control treatment
Placebo control 2x500mg microcrystalline cellulose pill taken once per day for 6 weeks by oral capsule
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Cognitive ability as meassured by the Computer Test of Information Processing
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Assessment method [1]
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Timepoint [1]
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Baseline and 6, 12, 16 week follow up
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Secondary outcome [1]
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Post Concussion Symptoms as neasured by the Post Concussion Symptoms Questionnaire
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Assessment method [1]
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Timepoint [1]
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Baseline, 6, 12, 16 week follow up
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Secondary outcome [2]
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Health Related Quality of Life as measured by the Health Relared Quality of Life Questionnaire - Short Form SF36
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Assessment method [2]
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Timepoint [2]
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Baseline, 6, 12, 16 week follow up
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Eligibility
Key inclusion criteria
6-12 months post mild TBI
Experiencing persistent cognitive difficulties
Willing to avoid taking other herbal supplements for the duration of the study
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Minimum age
18
Years
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Maximum age
64
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
1) Not fluent in English or have dysphasia
2) Unable to give informed consent
3) Known to have a medical condition that could impact on the results
4) Pregnancy or breastfeeding
5) Known allergy to pine trees
6) Current use of anticoagulant medication
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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 will be recruited via concussion clinics in the Auckland Region of New Zealand (NZ) and through self-referral. After confirming eligibility to participate in the study, participants will be randomised to receive either the herbal supplement or the placebo treatment. Participants will be randomised centrally by computer.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Central randomisation by computer
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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
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Type of endpoint/s
Safety/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
10/01/2010
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
60
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Funding & Sponsors
Funding source category [1]
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Commercial sector/Industry
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Name [1]
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Enzo Nutraceuticals Limited
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Address [1]
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Enzo Nutraceuticals Ltd,
10 Beatrice Tinsley Crescent,
North Harbour Industrial Estate,
Albany, North Shore, 0751
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Country [1]
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New Zealand
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Primary sponsor type
University
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Name
Auckland University of Technology (AUT)
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Address
AUT North Shore Campus
90 Akoranga Drive
Northcote, Auckland, 1142
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Country
New Zealand
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Secondary sponsor category [1]
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Commercial sector/Industry
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Name [1]
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Enzo Nutraceuticals Limited
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Address [1]
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Enzo Nutraceuticals Ltd,
10 Beatrice Tinsley Crescent,
North Harbour Industrial Estate,
Albany, North Shore, 0751
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Country [1]
251714
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New Zealand
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Northern X Regional Ethics Committee
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Ethics committee address [1]
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Ministry of Health 3rd Floor, Unisys Building 650 Great South Road, Penrose Auckland, 1061
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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Approval date [1]
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07/12/2009
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Ethics approval number [1]
258464
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Summary
Brief summary
Many people who have had a traumatic brain injury experience problems in processing information that can last for many years.Our pilot clincial trial will examine if a herbal supplement can improve memory and information processing if people who experienced a head injury 6-12 months ago and are experiencing persistent cognitive difficulties. The study hypothesis will that improvements in cognitive ability will occur in participants taking the herbal supplement in comparison to the group taking the placebo.
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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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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Alice Theadom
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Address
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AA254C, AUT North Shore Campus
90 Akoranga Drive
Northcote, Auckland, 1142
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Country
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New Zealand
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Phone
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0064 9 921 9999 x7805
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Fax
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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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Valery Feigin
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Address
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AA254A, AUT North Shore Campus
90 Akoranga Drive
Northcote, Auckland, 1142
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Country
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New Zealand
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Phone
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0064 9 921 9166
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Fax
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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
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.
Download to PDF