- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03684603
Acoustic Cueing During Slow-wave Sleep as a Measure to Improve Motor Rehabilitation Outcome in Stroke Patients
Acoustic Cueing During Slow-wave Sleep as a Measure to Improve Motor Rehabilitation Outcome in Patients With Ischemic Stroke
Study Overview
Status
Conditions
Detailed Description
This is an open prospective pilot study. We plan to include 12 patients with stroke and to assign them into two groups (chosen by lot).
The patients will be tested to investigate the effect of cueing during slow-wave sleep on motor skill learning as well as on the general motor rehabilitation outcome (5 days). The study will be conducted in a controlled design while 6 patients will receive cueing whereas the other 6 control patients receive no cueing.
Study design: Effect of motor task-related acoustic cueing and motor recovery over 5 days of training On day 1 patient will have to perform different standardized short training tasks using the ArmeoSpring® system. Each of these tasks is designed to train speed and accuracy of movements whilst a leitmotif melody is played during the performance of the respective task. Every task will be performed twice at an easy and twice at a more difficult level. If one patient succeeds to reach a defined height of score at level 2 the patient will start with level 2 the next day and proceed to level 3 in order not to lose any measurable effect. The melody lasts for 5 to 10 seconds (similar to the design chosen by Antony et al 2012). The patients' movements will be measured during day and night with movement sensors, and during the training and clinical assessment sessions. Information about arm movement in relation to trunk movement is sent to a PC by wire transmission. Arm movements are translated into movements of an avatar (e.g. an arm-like structure) on the computer screen. Sensor measures will be transmitted via wire connection to a receiver, which is connected to a standard personal computer. Thus, this kinematic motion analysis system reconstructs all movements of the tested arm in real time. By moving this structure, the test subject can therefore fulfil a short task in a videogame-like environment (e.g. using technical items presented on the screen). Scores are given and visually presented to the patient.
During the following night patients will undergo electroencephalography (EEG) for the first time. Immediately before scheduled regular sleep hours, the EEG-Electrodes and the headphones (sleepphones® Classic) will be installed and EEG system (Embla® Titanium) will be started. The patients will sleep in their own normal hospital bed at the rehabilitation ward.
After onset of slow-wave-sleep as confirmed by online EEG, the melody will be played to the patients in the cueing group via headphones (sleepphones® Classic) in faint intensity (in-sleep-cueing without waking up the patient). Conversely patients of group 2 won't be exposed to the melody during sleep. Sound intensity will be similar to that of the background noise (approximately 35 dB sound pressure level). Once slow wave sleep finishes, the stimulation will also be stopped. Under ideal circumstances, the stimulation will be repeated in each slow-wave sleep phase. On day 2 - 5 the same motor tasks will be performed at the ArmeoSpring® device, with exposure to the respective melodies. The improvement in Scores will be will be measured.
During the following three nights the abovementioned procedures will be repeated.
On day 5 the motor tasks will again be performed at the ArmeoSpring® device without exposure to the respective melodies. The task scores will again be recorded and also the scores from the motor assessments will be taken in order to assess the general motor improvement over five days.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Zurich, Switzerland, 8091
- University Hospital Zurich
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male and Female patients above 18 years of age
- signed informed consent after being informed
- subacute (i.e. symptom onset 3 - 90 days ago) lateralized ischemia or hemorrhage as confirmed by brain imaging (CT or MRI).
- Fugl-Meyer Upper Extremity Score between 15 and 59
Exclusion Criteria:
- other neurological or systemic disorder which is likely to cause dementia, cognitive dysfunction or central motor symptoms
- severe sensory aphasia
- preexisting arm paresis
- intake of sedatives, or neuroleptics
- Relevant hearing loss
- Vulnerable Person
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Acoustic cueing
The melody will be played during training and during slow wave sleep.
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sequence of tones which are presented to the patient using earphones
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Sham Comparator: Control
The melody will be played during training.
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sequence of tones which are presented to the patient using earphones
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Improvement in specific motor task
Time Frame: 5 days
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The primary outcome will be the improvement of the task-related scores in the two motor tasks at the ArmeoSpring® device for the first part.
The task scores will be provided by the software (ArmeoControl®) itself.
The task scores are displayed as an ordinal scale.
Higher scores display a better outcome.
For the first motor task the scores are displayed as volume in m^3, for the second one it will be measured in instability in cm and hand-path ratio s unknown variable but with a target value of 1.
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5 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlation of motor learning curve and time of sleep cueing
Time Frame: 5 days
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The secondary outcome will be the correlation of the motor learning curve (e.g. standard clinical assessments) with the length of auditory stimulus application during the night.
The standard clinical assessments like the Action Research Arm Test (ARAT) will be displayed as a score for each arm individually with a minimum of 0 and a maximum of 57 points.
Higher scores indicate a better outcome.
Therefore it will be analysed whether a higher length of auditory Stimulation correlates with a higher score in the ARAT.
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5 days
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Improvement in generalized motor rehabilitation outcome
Time Frame: 5 days
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Also the correlation of (non-) response to in-sleep cueing with the clinical parameters (e.g.
ARAT on an ordinal scale) taken will be analysed.
The scores of e.g. the ARAT (see above) of patients in the control and the cueing group will be compared in order to allow for a statistical analysis concerning a correlation of (non-)response to auditory stimulation during the night.
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5 days
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Director: Christian Baumann, MD, University Hospital Zurich, Clinic of Neurology
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2017-00199
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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