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Trial registered on ANZCTR
Registration number
ACTRN12612000752864
Ethics application status
Approved
Date submitted
9/07/2012
Date registered
16/07/2012
Date last updated
16/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effects of whole body vibration in stroke patients
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Scientific title
Effects of whole body vibration on muscle architecture, muscle strength and balance in stroke patients
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Secondary ID [1]
280823
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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:
Stroke
286891
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Condition category
Condition code
Physical Medicine / Rehabilitation
287209
287209
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0
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Physiotherapy
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Stroke
287224
287224
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0
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Haemorrhagic
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Stroke
287233
287233
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0
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Ischaemic
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The experimental group received a whole body vibration treatment with an increase in the frequency (from 5 to 21 Hz), sets (from 4 to 7) and the time per set (from 30 to 60 s) over 17 sessions (2 sessions per week). Each subject was placed standing on a vibration platform (Galileo Home, Galileo, Novotec, Germany), with a knee flexion of 30 degrees (taking 0 degrees as the anatomical position). In front of the subject was a wall bar that could be grabbed if they were to fall. In each set, the vibration was applied first in the medio-lateral axis (ML, with the feet parallel to the lower edge of the platform) and, then in the antero-posterior axis (AP, with the feet parallel to the longest edge of the platform). These foot positions determined the vibration amplitude, which ranged between 4 and 6 mm peak to peak.
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Intervention code [1]
285249
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Treatment: Devices
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Intervention code [2]
285258
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Rehabilitation
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Comparator / control treatment
Each subject was placed standing on a vibration platform. The experimental group received a whole body vibration treatment, with an increase in frequency, sets, and time per set over 17 sessions. The sham group -control- performed the same exercises as the experimental group, but were not exposed to the vibration.
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Control group
Placebo
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Outcomes
Primary outcome [1]
287496
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Muscle architecture (rectus femoris, vastus lateralis and medial gastrocnemious) assessed by an ultrasound system (MyLab25, Esaote, Genua, Italy) with a linear array probe (LA 523, 7.5-12 MHz; probe length, 50 mm; Esaote, Genua
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Assessment method [1]
287496
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Timepoint [1]
287496
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Timepoint: Baseline and 3 months.
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Secondary outcome [1]
298276
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Outcome variables included the maximal isometric voluntary contraction of knee extensors by isokinetic dynamometry (Biodex 4, Shirley, NY).
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Assessment method [1]
298276
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Timepoint [1]
298276
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Timepoint: Baseline and 3 months.
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Secondary outcome [2]
298288
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Berg balance scale.
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Assessment method [2]
298288
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Timepoint [2]
298288
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Timepoint: Baseline and 3 months.
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Eligibility
Key inclusion criteria
Inclusion criteria were to have suffered an ischemic or hemorrhagic stroke 6 or more months prior to the study, and a National Institute of Health Stroke Scale (NIHSS) score greater than 1 and less than 20.
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Minimum age
18
Years
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Maximum age
60
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
Patients with dementia or severe cognitive impairment, patients with knee joint pain (not neurological pain), and patients who were not able to remain standing without external support for at least 30 s were 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)
Sealed opaque envelopes.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Coin-tossing
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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
Not Applicable
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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
18/03/2010
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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
20
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
4399
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Spain
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State/province [1]
4399
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Valladolid
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Funding & Sponsors
Funding source category [1]
285616
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Government body
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Name [1]
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Ministry of Health of the Junta de Castilla y Leon.
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Address [1]
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Avda. de Burgos, 5
47014 - VALLADOLID
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Country [1]
285616
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Spain
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Primary sponsor type
Charities/Societies/Foundations
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Name
La ASociacion de PAraplejicos Y grandes Minusvalidos (ASPAYM) de Castilla y Leon
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Address
C/ Trevino, 74
47008 - Valladolid - Spain
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Country
Spain
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Secondary sponsor category [1]
284448
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University
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Name [1]
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European University Miguel de Cervantes
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Address [1]
284448
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c/ Padre Julio Chevalier 2
47012-Valladolid- Spain
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Country [1]
284448
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Spain
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
287623
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La ASociacion de PAraplejicos Y grandes Minusvalidos (ASPAYM) de Castilla y Leon.
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Ethics committee address [1]
287623
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C/ Trevino, 74 47008 - Valladolid - Spain
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Ethics committee country [1]
287623
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Spain
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Date submitted for ethics approval [1]
287623
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Approval date [1]
287623
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Ethics approval number [1]
287623
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Summary
Brief summary
Background. Whole-body vibrations (WBV) have recently been applied and investigated as a rehabilitation method. Objective. The aim of the present study was to analyze the effects of WBV on lower limb muscle architecture, muscle strength, and balance in stroke patients over a period of 3 months. Design. The study used a prospective, randomized, before-after trial design. Inclusion criteria were to have suffered an ischemic or hemorrhagic stroke 6 or more months prior to the study, and a National Institute of Health Stroke Scale (NIHSS) score greater than 1 and less than 20. Patients. Patients were randomly divided into two groups: an experimental group (EG; n = 11) and a sham group (SG; n = 9). Intervention. Each subject was placed standing on a vibration platform. The EG received a WBV treatment, with an increase in frequency, sets, and time per set over 17 sessions. The SG performed the same exercises as the EG, but were not exposed to the vibration. Measurements. Outcome variables included the muscle architecture (rectus femoris, vastus lateralis and medial gastrocnemious), maximal isometric voluntary contraction of knee extensors, and Berg balance scale.
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Trial website
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Trial related presentations / publications
Under review
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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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Pedro J. Marin
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Address
17664
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European University Miguel de Cervantes
c/ Padre Julio Chevalier 2
47012-Valladolid
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Country
17664
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Spain
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Phone
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+34 647856968
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Fax
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+34 983 278 958
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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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Pedro J. Marin
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Address
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European University Miguel de Cervantes
c/ Padre Julio Chevalier 2
47012-Valladolid (Spain)
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Country
8592
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Spain
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Phone
8592
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+34 647856968
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Fax
8592
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+34 983 278 958
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Email
8592
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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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