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Trial registered on ANZCTR
Registration number
ACTRN12617000971336
Ethics application status
Approved
Date submitted
3/07/2017
Date registered
5/07/2017
Date last updated
17/01/2019
Date data sharing statement initially provided
17/01/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Effect of Ashwagandha supplementation on testosterone levels and vitality in healthy, overweight men
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Scientific title
Effect of Ashwagandha supplementation on testosterone levels and vitality in healthy, overweight males with mild to moderate symptoms of fatigue or reduced vitality – a randomised, double-blind, placebo-controlled study
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Secondary ID [1]
292251
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None
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Universal Trial Number (UTN)
U1111-1198-2075
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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:
Energy and Vitality
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Hormonal changes
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Wellbeing
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Condition category
Condition code
Mental Health
303129
303129
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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
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303134
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0
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Herbal remedies
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Metabolic and Endocrine
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0
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Normal metabolism and endocrine development and function
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Two tablets containing BIPS technology Shoden (containing 10.5 mg of withanolide glycosides per tablet) will be consumed once daily (two hours away from food, preferably after dinner) for 8 weeks by healthy, overweight males aged between 40 and 70 years with mild to moderate symptoms of fatigue or reduced vitality. Adherence to tablet intake will be monitored through tablet return and count. In this crossover trial, there is no washout period between treatment arms.
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Intervention code [1]
298416
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Treatment: Other
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Comparator / control treatment
Placebo is matched to the Ashwagandha capsules in terms of taste and appearance but does not contain any of the active ingredients.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Change in total score as assessed by the Ageing Males’ Symptoms (AMS) self-report measure.
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Assessment method [1]
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Timepoint [1]
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Weeks 0, 4 and 8 (week 8 is primary endpoint)
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Primary outcome [2]
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Change in total mood disturbance score as assessed by the Profile of Mood States, Short Form
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Assessment method [2]
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Timepoint [2]
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Weeks 0, 4 and 8 (week 8 is primary endpoint)
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Secondary outcome [1]
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Change in sub-scale scores as assessed by the Profile of Mood States, Short Form (subscales scores include Anger-Hostility, Confusion-Bewilderment, Depression-Dejection, Fatigue-Inertia, Tension-Anxiety, Vigour-Activity, and Friendliness)
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Assessment method [1]
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Timepoint [1]
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Weeks 0, 4 and 8 (week 8 is primary endpoint)
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Secondary outcome [2]
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Change in sub-scale scores comprising psychological, somatic and sexual symptoms, as assessed by the Ageing Males’ Symptoms (AMS) self-report measure.
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Assessment method [2]
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Timepoint [2]
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Weeks 0, 4 and 8 (week 8 is primary endpoint)
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Secondary outcome [3]
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Change in salivary testosterone levels
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Assessment method [3]
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Timepoint [3]
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Weeks 0 and 8
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Secondary outcome [4]
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Change in salivary cortisol levels
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Assessment method [4]
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Timepoint [4]
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Weeks 0 and 8
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Secondary outcome [5]
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Change in salivary DHEAs
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Assessment method [5]
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Timepoint [5]
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Weeks 0 and 8
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Secondary outcome [6]
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Change in salivary oestradiol levels
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Assessment method [6]
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Timepoint [6]
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Weeks 0 and 8
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Eligibility
Key inclusion criteria
1. Healthy males aged between 40 and 70 years
2. Mild to moderate symptoms of fatigue or reduced vitality as measured via a validated questionnaire (i.e., a score above the 60th percentile in the Profile of Mood Symptoms questionnaire – Total score or Fatigue-Inertia score or Vigour-Activity score)
3. Medication-free for at least 3 months
4. Non-smoker
5. BMI between 25 and 35
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Minimum age
40
Years
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Maximum age
70
Years
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Suffer from a diagnosable mental health disorder e.g., depression, anxiety disorder, eating disorder, psychosis/ schizophrenia.
2. Suffer from medical illnesses including diabetes, autoimmune diseases, cardiovascular disease, hypertension, chronic fatigue syndrome, asthma.
3. Have suffered from an infection or illness over the last month (includes the common cold)
4. Alcohol consumption > 14 standard drinks per week
5. Current or history of illicit drug abuse
6. Currently taking any herbal preparations
7. Hypersensitive to ashwagandha, herbal supplements, or other herbs & spices
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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 randomly allocated into placebo and treatment groups. These groups are named group 1 and group 2 and the primary investigator and participants will be unaware of which treatment these groups represent. Each participant will be allocated a participant number (1 to 50) based on the order of inclusion in the study. A computer-generated software will randomly assign the numbers 1 to 50 into either group 1 or 2.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software
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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
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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
In this crossover study, participants will be given an opportunity to take both Ashwagandha and placebo. This ensures we have a sample size of 50 in each group. With a predicted moderate effect size of 0.5, this study is sufficiently powered to detect group differences.
Pre and post analyses will be conducted to determine changes in the following:
1. Total and subscale scores determined by the administration of the Ageing Males’ Symptoms
2. Subscale scores determined by the administration of the Profile of Mood States, Short Form
3. Change in salivary testosterone, cortisol, oestradiol, and DHEAs levels
Comparisons will be made between the periods when participants were taking a placebo versus periods on Ashwagandha to determine if there are any significant differences in the above measures.
These analyses will be conducted via a repeated measures analysis of variance via SPSS
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
18/08/2017
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Actual
12/12/2017
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Date of last participant enrolment
Anticipated
31/10/2017
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Actual
8/02/2018
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Date of last data collection
Anticipated
28/02/2018
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Actual
2/05/2018
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Sample size
Target
50
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Accrual to date
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Final
57
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Recruitment in Australia
Recruitment state(s)
WA
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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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Arjuna Natural Extracts Limited
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Address [1]
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PB No : 126,
Bank Road, Alwaye,
Kerala, India
PIN : 683 101
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Country [1]
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India
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Primary sponsor type
University
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Name
Murdoch University
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Address
90 South St, Murdoch WA 6150
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Country
Australia
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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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Arjuna Natural Extracts Limited
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Address [1]
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PB No : 126,
Bank Road, Alwaye,
Kerala, India
PIN : 683 101
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Country [1]
295783
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India
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Murdoch University Human Research Ethics Committee
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Ethics committee address [1]
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90 South St Murdoch WA 6150
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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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21/04/2017
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Approval date [1]
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30/05/2017
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Ethics approval number [1]
298032
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2017/076
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Summary
Brief summary
This is a double-blind, placebo-controlled, crossover study assessing the effects of Ashwagandha in 50 overweight adults presenting with mild-to-moderate symptoms of low energy/ vitality. Each participant receives both treatments (8 weeks of an Ashwagandha extract and placebo) and randomisation is used to determine the order in which the participant receives each treatment,( i.e. Ashwagandha followed by placebo, or placebo followed by Ashwagandha ). The Ashwagandha dosage is 2 tablets daily of BIPS technology Shoden (containing 10.5 mg of withanolide glycosides per tablet). Changes in mood, energy and vitality will be assessed via the completion of self-report measures, The effects of Ashwagandha on salivary levels of testosterone, cortisol, oestradiol, and DHEAs will also be examined.
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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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Prof Peter Drummond
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Address
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Murdoch University, School of Psychology and Exercise Science, 90 South St Murdoch Western Australia 6150
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Country
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Australia
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Phone
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+61 8 9360 2415
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Fax
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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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Adrian Lopresti
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Address
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Murdoch University, School of Psychology and Exercise Science, 90 South St Murdoch Western Australia 6150
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Country
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Australia
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Phone
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+61411969797
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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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Adrian Lopresti
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Address
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Murdoch University, School of Psychology and Exercise Science, 90 South St Murdoch Western Australia 6150
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Country
75760
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Australia
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Phone
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+61411969797
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Fax
75760
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Email
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[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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