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Trial registered on ANZCTR
Registration number
ACTRN12611001234909
Ethics application status
Approved
Date submitted
24/11/2011
Date registered
2/12/2011
Date last updated
18/07/2018
Type of registration
Prospectively registered
Titles & IDs
Public title
Can an acute dosage of Bacopa Monniera (brahmi) improve cognition and cardiovascular function in a healthy population
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Scientific title
Acute cognitive and cardiovascular effects of
Bacopa Monniera on healthy adults
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Secondary ID [1]
273354
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Nil
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Secondary ID [2]
279796
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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:
Cognitive function in healthy individuals
279127
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Cardiovascular function in health individuals
279128
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Condition category
Condition code
Mental Health
279319
279319
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0
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Studies of normal psychology, cognitive function and behaviour
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Alternative and Complementary Medicine
279320
279320
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0
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Herbal remedies
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Cardiovascular
279321
279321
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0
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Normal development and function of the cardiovascular system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
This study will employ a double blind, randomised, placebo controlled, three way cross-over design.
Participants will be required to attend three testing sessions (and one practice session). Each session will see participants taking one of three interventions (administered in capsules);
(1) Bacopa Monniera – 300mg (2 x 150mg capsules, 2 x placebo capsules)
(2) Bacopa Monneria – 600mg (4 x 150mg capsules)
(3) Placebo (4 x capsules)
On the testing days participants will complete baseline testing (consisting of the cognitive demand battery and cardiovascular measures) after which they will be administered their randomly assigned treatment. Two hours post dose participants will complete the testing again (cognitive demand battery and cardiovascular)
There will be a seven day washout period between each testing session.
Participants will be randomly allocated to receive either treatment (1) or (2) or (3) on their first testing day. This will be done by a randomised computer number sequence generator. Over the course of the investigation, they will complete all three treatments with treatment order counterbalanced across participants. A disinterested third party will be responsible for the blinding procedure.
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Intervention code [1]
283698
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Prevention
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Intervention code [2]
283699
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Behaviour
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Intervention code [3]
283818
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Treatment: Other
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Comparator / control treatment
Treatment (3): 4 X 150mg Avicel microcrystalline cellulose capsules
This is a cross over design, so all participants will be administer all treatments on different testing days separated by a one week wash out period.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Cognitive Function using Cognitive Demand Battery
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Assessment method [1]
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Timepoint [1]
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baseline and 2 hours post dose
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Primary outcome [2]
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Cardiovascular function using transcranial doppler ultrasound and arterial stiffness measure (using sphygmocor system)
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Assessment method [2]
279930
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Timepoint [2]
279930
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baseline and 2 hours post dose
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Secondary outcome [1]
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nil
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Assessment method [1]
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Timepoint [1]
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nil
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Eligibility
Key inclusion criteria
1.) Healthy non-smoking males and females aged 18 and over
2.) Free from and no history of psychiatric disorders
3.) No neurological diseases or history of neurological diseases
4.) Not suffering from endocrine, gastrointestinal or bleeding disorders
5.) No history of chronic illness/infection
6.) Not currently pregnant or lactating
7.) Must not be taking any medications or herbal extracts
8.) Must have corrected to normal vision
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
1.) smoker
2.) history of psychiatric disorders
3.) neurological diseases or history of neurological diseases
4.) endocrine, gastrointestinal or bleeding disorders
5.) history of chronic illness/infection
6.) pregnant or lactating
7.) taking any medications or herbal extracts
8.) vision impairment not corrected
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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)
Participants will be recruited through advertising and word of mouth. After successfully completing the phone screen, medical screen and practice session, they will be randomly allocated to receive either treatment A or B or C on their first testing day. This will be done by a randomised computer number sequence generator. Over the course of the investigation, they will complete all three treatments with treatment order counterbalanced across participants. A disinterested third party will be responsible for the blinding procedure.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
A disinterested third party will generate the randomisation sequence using a computerised sequence generator
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Crossover
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Other design features
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Phase
Phase 3 / 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
Not yet recruiting
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Date of first participant enrolment
Anticipated
14/12/2011
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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
30
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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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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Soho Flordis International Pty Ltd
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Address [1]
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Level 4, 156 Pacific Highway,
St Leonards, NSW 2065
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Country [1]
284180
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Australia
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Primary sponsor type
University
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Name
Swinburne University of technology
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Address
PO Box 218
Hawthorn VIC 3122
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Nil
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Address [1]
269136
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Country [1]
269136
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
286140
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Swinburne University Human research Ethics Committee
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Ethics committee address [1]
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PO Box 218 Hawthorn VIC 3122
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Ethics committee country [1]
286140
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Australia
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Date submitted for ethics approval [1]
286140
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Approval date [1]
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26/09/2011
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Ethics approval number [1]
286140
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2009/136 modification 4
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Summary
Brief summary
This research project is aiming to determine the effects of Bacopa on cognitive function, cardiovascular function and stress. Bacopa is a herb found in wetlands and muddy shore lines that has been used in traditional Indian medicine as a treatment for epilepsy and asthma. Russo & Borrelli (2005) claim that it has been used for over 3000 years as a memory and intellect enhancer. There is also evidence to suggest that Bacopa is an antioxidant, playing an important role in reducing the oxidation of fats in the bloodstream. This study will investigate the cognitive, cardiovascular and stress effects of two doses of bacopa compared to placebo. Participants will be required to attend three testing sessions (and one practice session). Each session will see participants taking one of three interventions (administered in capsules); (1) Bacopa Monniera – 300mg (2 x 150mg capsules, 2 x placebo capsules) (2) Bacopa Monneria – 600mg (4 x 150mg capsules) (3) Placebo (4 x capsules) On the testing days participants will complete baseline testing (consisting of the Cognitive demand battery and cardiovascular measures) after which they will be administered their randomly assigned treatment. Two hours post dose participant will complete the testing again (Cognitive demand battery and cardiovascular measures). There will be a seven day washout period and the process will be repeated again. Over the course of the investigation, participants will complete all three treatments with treatment order being randomised and counter! balanced across participants. Russo, A. and F. Borrelli (2005). "Bacopa monniera, a reputed nootropic plant: an overview." Phytomedicine 12(4): 305-317.
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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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Rebecca King
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Address
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H24. PO Box 218
Hawthorn VIC 3122
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Country
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Australia
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Phone
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613 9214 5078
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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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Prof Con Stough
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Address
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H24. PO Box 218
Hawthorn VIC 3122
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Country
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Australia
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Phone
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613 9214 8167
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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.
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