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| Name | Class |
|---|---|
| Clinica Hildebrand Brissago | OTHER |
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The ReHandyBot is a robot for hand rehabilitation after stroke. The aims of this study are (1) to investigate the feasibility of unsupervised therapy with the ReHandyBot with stroke inpatients, first in a rehabilitation clinic and then at participants' home, (2) to evaluate the usability of the ReHandyBot (user interface, implemented exercises, and gaming environment, which were adapted for independent usage), and (3) to quantify the dose of additional robotic therapy that patients perform without supervision.
The study consists of two primary phases. The first is a familiarization phase performed at the clinic, where therapists teach to the participants how to perform the exercises with the robot. Then, if capable of training with the robot safely, after discharge from the clinic participants can bring the robot home and autonomously train with it. The hypothesis is that unsupervised therapy might be a possible way to increase therapy dose for stroke patients, with the potential to further improve recovery of hand function, with minimal additional burden for therapists and for the healthcare system.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Unsupervised therapy | Experimental | This group will perform therapy with the ReHandyBot first with the supervision of a therapist at the rehabilitation clinic. Then, after discharge, if the participant learnt how to safely train with the device, they can bring the device home and train with it unsupervised. On the other hand, if participants are not capable of training without supervision, after discharge they perform unsupervised therapy at home with a booklet of exercises (i.e., without the robot). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Supervised and minimally-supervised therapy with ReHandyBot | Device | During the familiarization phase at the rehabilitation clinic, participants perform one week of supervised and one week of minimally-supervised therapy with the ReHandyBot under the supervision of a supervisor (i.e., therapist or researcher). Minimally-supervised therapy means that participants try to perform therapy with the device by themselves, while the supervisor is still present but helps only in case participants encounter problems or if they have any questions. During the supervised and minimally-supervised phases (first 2 weeks), the intervention dose is 5 sessions of approximately 45 minutes per week. These sessions are performed in addition to the conventional therapy plan. During each session, the robot proposes a set of 3 exercises, each lasting between 10 and 15 minutes. |
| Measure | Description | Time Frame |
|---|---|---|
| Dose of unsupervised therapy - Minutes | Daily dose in minutes of self-administered robot-assisted therapy performed by subjects in the home setting without supervision. | This is measured during the intervention (i.e., during the six weeks of unsupervised therapy at home). |
| Dose of unsupervised therapy - Repetitions | Daily dose in number of task repetitions of self-administered robot-assisted therapy performed by subjects in the home setting without supervision. | This is measured during the intervention (i.e., during the six weeks of unsupervised therapy at home). |
| Dose of unsupervised therapy - Percentual change in therapy time | Percentage increase in therapy time due to the unsupervised robotic therapy compared to the case where the participants would perform conventional (i.e., normally prescribed) therapy only. | This is measured during the intervention (i.e., during the six weeks of unsupervised therapy at home). |
| Measure | Description | Time Frame |
|---|---|---|
| Feasibility - Adverse events | Feasibility of therapy with the ReHandyBot as assessed by the number of adverse events occurring during this study. | This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Feasibility - Device deficiencies |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Giada Devittori, M. Sc. | Contact | +41 44 510 72 31 | giada.devittori@hest.ethz.ch |
| Name | Affiliation | Role |
|---|---|---|
| Paolo Rossi, Dr. med. | Clinica Hildebrand Brissago | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinica Hildebrand Centro di riabiliazione Brissago | Recruiting | Brissago | Canton Ticino | 6614 | Switzerland |
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| ID | Term |
|---|---|
| D020521 | Stroke |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| Unsupervised therapy | Device | After the familiarization phase, participants train without supervision at the clinic until discharge and then at home for six weeks. If the therapist thinks that the participant have properly learnt how to use the device and can train with it safely, the participant can keep training with the device unsupervised (both at the clinic and at home). If participants are not ready for unsupervised therapy with the device, they receive a booklet of exercises to perform without supervision (both at the clinic and at home). These exercises do not imply the use of the robot but are exercises discussed with the therapists and meaningful for the specific patient. |
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Feasibility of therapy with the ReHandyBot as assessed by the number of device deficiencies occurring during this study. |
| This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Feasibility - Subjects performing unsupervised robot-assisted training | Feasibility of unsupervised therapy with the ReHandyBot as assessed by the number of subjects who can transition to unsupervised robot-assisted therapy at home out of the total number of tested subjects. | This is calculated on completion of the study (i.e., right after last subject - last visit). |
| Feasibility - Attendance | Feasibility of unsupervised therapy with the ReHandyBot as assessed by attendance during the unsupervised phase at home. Attendance is measured as the percentage of days where the subject trains at least once without supervision out of the 42 days offered for unsupervised training at home. | This is calculated on completion of the study protocol. |
| Usability as assessed by the System Usability Scale (1) | Usability of the ReHandyBot measured with the System Usability Scale. The possible response options vary between 1 (strongly disagree) and 5 (strongly agree). | This is measured during the intervention (at the end of the familiarization phase). |
| Usability as assessed by the System Usability Scale (2) | Usability of the ReHandyBot measured with the System Usability Scale. The possible response options vary between 1 (strongly disagree) and 5 (strongly agree). | Usability is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Usability as assessed by the raw NASA Task Load Index (1) | Usability of the ReHandyBot measured with the raw NASA Task Load Index. | This is measured during the intervention (at the end of the familiarization phase). |
| Usability as assessed by the raw NASA Task Load Index (2) | Usability of the ReHandyBot measured with the raw NASA Task Load Index. | Usability is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Usability as assessed by the Post-Study System Usability Questionnaire (1) | Usability of the ReHandyBot measured with the Post-Study System Usability Questionnaire (version 3). This questionnaire consists of 16 questions and the possible response options vary between 1 (strongly agree) and 7 (strongly disagree). | This is measured during the intervention (at the end of the familiarization phase). |
| Usability as assessed by the Post-Study System Usability Questionnaire (2) | Usability of the ReHandyBot measured with the Post-Study System Usability Questionnaire (version 3). This questionnaire consists of 16 questions and the possible response options vary between 1 (strongly agree) and 7 (strongly disagree). | Usability is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Evolution of patient's satisfaction with robot-assisted therapy as assessed by a 5-point scale | A 5-point scale is presented by the robot at the end of each therapy session to measure patient's satisfaction with robot-assisted therapy. | This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Usability - Intrinsic Motivation Inventory (1) | Usability of the gaming environment is measured with the Intrinsic Motivation Inventory (items: Interest/Enjoyment). The possible response options vary between 1 (not true at all) and 7 (completely true). | This is measured during the intervention (at the end of the familiarization phase). |
| Usability - Intrinsic Motivation Inventory (2) | Usability of the gaming environment is measured with the Intrinsic Motivation Inventory (items: Interest/Enjoyment). The possible response options vary between 1 (not true at all) and 7 (completely true). | User experience is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in usability metrics (i.e., System Usability Scale, NASA Task Load Index, Post-Study System Usability Questionnaire, and Intrinsic Motivation Inventory) | Change in the metrics (i.e., System Usability Scale, NASA Task Load Index, Post-Study System Usability Questionnaire, and Intrinsic Motivation Inventory) used to assess usability between the first and second time when they are measured. This change is used to define how the absence of the therapist during robot assisted therapy impacts the perceived usability of the device. | This is calculated at the end of the study (i.e., at the end of the six weeks of unsupervised therapy at home). |
| User experience - Customer Satisfaction Score (1) | The Customer Satisfaction Score consists of the question "Overall, how satisfied are you with the therapy with ReHandyBot?". The possible response options vary between 1 (extremely dissatisfied) and 5 (extremely satisfied). | This is measured during the intervention (at the end of the familiarization phase). |
| User experience - Customer Satisfaction Score (2) | The Customer Satisfaction Score consists of the question "Overall, how satisfied are you with the therapy with ReHandyBot?". The possible response options vary between 1 (extremely dissatisfied) and 5 (extremely satisfied). | User experience is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| User experience - Net Promoter Score (1) | The Net Promoter Score consists of the question "How likely would you be to recommend therapy with ReHandyBot to another patient?". The possible response options vary between 1 (extremely unlikely) and 10 (extremely likely). | This is measured during the intervention (at the end of the familiarization phase). |
| User experience - Net Promoter Score (2) | The Net Promoter Score consists of the question "How likely would you be to recommend therapy with ReHandyBot to another patient?". The possible response options vary between 1 (extremely unlikely) and 10 (extremely likely). | User experience is measured again at the end of the study protocol (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in the user experience metrics (i.e., Customer Satisfaction Score and Net Promoter Score) | Change in the metrics used to assess user experience (i.e., Customer Satisfaction Score and Net Promoter Score) between the first and second time when they are measured. This change is used to define how the absence of the therapist during robot assisted therapy impacts user experience when training with the device. | This is calculated at the end of the study (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in upper limb functions as assessed by the Fugl-Meyer Assessment of Upper Extremities (FMA-UE) | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) upper limb functions as assessed by the FMA-UE. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in upper limb functions as assessed by the ABILHAND | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) upper limb functions as assessed by the ABILHAND scale. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in upper limb functions as assessed by the Box and Block (BBT) test | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) upper limb functions as assessed by the BBT test. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in upper limb functions as assessed by the Motor Evaluation Scale for Upper Extremities in Stroke Patients (MESUPES) | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) upper limb functions as assessed by the MESUPES. The scores can vary between 0 and 58, and a higher score means a better outcome. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in upper limb functions as assessed by the modified Ashworth Scale (mAS) | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) upper limb functions as assessed by the mAS. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in the active Range of Motion (aROM) for grasping measured in millimeters as assessed by the custom robotic assessment "aROM - Hand" | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) aROM for grasping, i.e. for hand opening and closing. This is measured by the robot with a custom assessment. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in the active Range of Motion (aROM) for forearm rotation measured in degrees as assessed by the custom robotic assessment "aROM - Forearm" | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) aROM for forearm pronation and supination. This is measured by the robot with a custom assessment. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in proprioception as assessed by the custom robotic assessment "JND" measuring the minimum difference in length (mm) and/or angle (degrees) that a patient can perceive | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) proprioception, defined as the minimum difference in length and/or angle that a patient can perceive (i.e. just noticeable difference). This is measured by the robot with a custom assessment. | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Change in haptic perception as assessed by the custom robotic assessment "Weber Fraction" measuring the minimum difference in stiffness that a patient can perceive in percentage | Change between baseline (i.e. beginning of the study) and final (i.e. end of the study) haptic perception, defined as the minimum difference in stiffness that a patient can perceive expressed in percentage according to the Weber Fraction law . This is measured by the robot with a custom assessment named "Weber fraction". | This is calculated at the end of the study, after performing the final measurements (i.e., at the end of the six weeks of unsupervised therapy at home). |
| Content of robotic therapy - Intensity | Intensity (i.e., repetitions over time) of the robotic therapy throughout the study. | This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Content of robotic therapy - Performance | Task performance (i.e., correct trials over total trials) during robotic therapy throughout the study. | This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Content of robotic therapy - Effective time ratio | Ratio of effective (i.e., net total therapy time without breaks) over total duration of the therapy session during robotic therapy throughout the study. | This is monitored over the whole protocol duration (i.e., from beginning of the first week to the end of the six weeks of unsupervised therapy at home). |
| Parameters influencing unsupervised robot-assisted therapy | Correlation between achieved unsupervised robot-assisted therapy dose and different parameters (i.e., cognitive assessments (Goodglass-Kaplan Scale, LCF-R, Montreal Cognitive Assessment (MoCA)) performed during the screening visit, the clinical assessments, the robotic assessments, demographics and the collected medical data). | This is calculated at the end of the study (i.e., at the end of the six weeks of unsupervised therapy at home). |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |