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Usability Testing of Affordable Haptic Robots for Stroke Therapy (Theradrive)

3 september 2020 uppdaterad av: University of Pennsylvania
Stroke survivors with hemiplegia will be evaluated by rehabilitation professionals and asked to perform a battery of assessments to test the viability and usability of a force-feedback robot that adapts to each individual subject's performance. Subsequently, they will be asked to complete post-assessment questionnaires that provide feedback to the researchers on their observations and thoughts about the therapy devices.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Detaljerad beskrivning

TheraDrive is a low-cost robotic system for post-stroke upper extremity rehabilitation. The system uses off-the-shelf computer gaming wheels with force feedback to help reduce motor impairment and improve function in the arms of stroke survivors. Preliminary results from various studies have shown that the original TheraDrive system lacked a robust mechanical linkage which could withstand the forces exerted by patients, lacked a patient-specific adaptive controller to deliver personalized therapy, and was not capable of delivering effective therapy to severely low-functioning patients. A new low-cost, high-force haptic robot with a single degree of freedom has been developed to address these concerns. This study has two purposes: first, to test the viability and usability of the new robot system alongside the original TheraDrive system; and second, to test if low-functioning patients benefit, and if so how much, from using force-feedback therapy as opposed to devices with zero impedance. This will be done by recruiting approximately 36 human subjects. Exercises will be performed by study subjects and an adaptive controller will monitor patient performance to ensure that exercises are difficult but doable, which is important for maintaining patient motivation. It is hypothesized that not only will the new system be viable, but that it will provide better robot-assisted therapy to a large variety of patients, especially low-functioning stroke survivors with hemiplegia.

Studietyp

Interventionell

Inskrivning (Faktisk)

23

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

  • Förenta staterna
    • Pennsylvania
      • Philadelphia, Pennsylvania, Förenta staterna, 19146
        • Penn Medicine Rittenhouse

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Stroke survivors at least 18 years of age with hemiplegia.
  • The subject's stroke must have occurred at least 3 months prior to enrollment in the study.
  • Low and Moderate functioning stroke survivors as measured by Fugl- Meyer
  • Not depressed
  • No more than Mild Cognitive Deficit
  • Participants must be able to sit upright for 4 hours at a time in Part A of the study; and 2 hours at a time, 3 days a week, for Part B of the study.
  • The subject's stroke must have occurred at least 3 months prior to enrollment in the study.

Exclusion Criteria:

  • Greater than mild cognitive deficits
  • Greater than mild depression. A member of the research team will administer Beck's Depression Inventory (BDI) to each study participant over the phone. If the participant is found to have greater than mild depression, as measured by the BDI, they will not qualify for the study.
  • Receiving rehabilitation on the upper limb.
  • Received Botox injections within the past 3 months.
  • Suffering from contractures (chronic loss of joint motion) or debilitating spasticity in the upper extremity.
  • Experiencing greater than mild pain, and/or the PI determines that the participant should no longer continue working with the novel therapy devices, the study will be stopped.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: N/A
  • Interventionsmodell: Enskild gruppuppgift
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Övrig: Stroke survivors with low and moderate motor deficits
Subjects with low and moderate motor deficits will 1) complete exercises with 2 commercial (joystick and wheel) and the Theradrive haptic robot after pre assessment 2) then experience 12 therapy sessions on the Theradrive haptic robot with Adaptive Feedback. 3) Assessments pre and post therapy.
Enhet: Haptic Robot Therapy with Games
Commercial Joystick and Wheels Plus the Haptic TheraDrive Robot will be used. Haptic Theradrive is a low-cost robotic system for post-stroke upper extremity rehabilitation. The system uses off-the-shelf computer gaming wheels with force feedback to help reduce motor impairment and improve function in the arms of stroke survivors.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Fugl Meyer
Tidsram: At 0 weeks
The primary outcomes are motor control for the upper limb: Subjects completed tasks on scale; Motor scale maximum is 66. minimum is 0. Lower is more impaired. Higher is less impaired.
At 0 weeks
Box and Blocks
Tidsram: At Session 0. Pre-intervention
Measures ADL Function. Completed reach and grasp activities. Reached for 1 inch cube and placed with impaired arm. More blocks indicate higher function. Less blocks lower function
At Session 0. Pre-intervention
Tracking Accuracy
Tidsram: At Session 0
Tracking accuracy is measured using the normalized root mean square, which is a measure for error in tracking performance with respect to a desired goal. Root mean squared divided by the maximum error if person does not move. The higher the decimal the higher the error made. Lower is better performance.
At Session 0

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Grip Strength
Tidsram: pre-intervention
Grip strength as measured by a dynamometer. Subjects were asked to squeeze a dynamometer with impaired arm. Higher forces mean better function
pre-intervention
Montreal Cognitive Assessment (MOCA)
Tidsram: pre-intervention
A brief 30-question test that takes around 10 to 12 minutes to complete and helps assess people for impairment in cognition domains. Maximum is 30. Minimum is 0; Low is <17 is severe cognitive impairment; a score 26 and higher is normal cognition.
pre-intervention
Becks Depression Scale
Tidsram: Pre-intervention
Measures depression. The Beck Depression Inventory (BDI) is a 21-item, self-report rating inventory that measures characteristic attitudes and symptoms of depression (Beck, et al., 1961). Maximum is 63 Total Score_______________Levels of Depression 1-10____________________These ups and downs are considered normal 11-16___________________ Mild mood disturbance 17-20___________________Borderline clinical depression 21-30___________________Moderate depression 31-40___________________Severe depression over 40__________________Extreme depression
Pre-intervention

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

University of Pennsylvania

Utredare

  • Huvudutredare: Michelle J Johnson, PhD, Penn Medicine Rittenhouse

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Användbara länkar

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 mars 2014

Primärt slutförande (Faktisk)

1 juli 2017

Avslutad studie (Faktisk)

1 juli 2017

Studieregistreringsdatum

Först inskickad

29 mars 2016

Först inskickad som uppfyllde QC-kriterierna

11 maj 2016

Första postat (Uppskatta)

16 maj 2016

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

4 september 2020

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

3 september 2020

Senast verifierad

1 september 2020

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • 819787

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

Nej

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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