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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04283253
Other study ID # Pro00003161
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date October 22, 2019
Est. completion date March 31, 2020

Study information

Verified date February 2022
Source VA Pittsburgh Healthcare System
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study will validate a predictive model that uses demographics, functional status, neurophysiology, neuroanatomy, and other potential biomarkers to predict the likelihood of a clinically significant change in impairment at the end of a robot assisted therapy intervention.The study will include magnetic resonance imaging (MRI), transcranial magnetic stimulation (TMS), and an arm exercise program consisting of robot-assisted exercise combined with functional arm exercise called transition to task training (TTT).


Description:

After informed consent, a baseline neurological exam, medical records review, MRI of the brain, TMS, questionnaires, cognitive testing, robot evaluations, and arm function testing will occur. Baseline testing will occur in the first 4-6 weeks of participation including two separate sessions approximately 1 week a part to examine arm strength, range of motion, and ability to perform functional tasks, with one additional session if needed to verify stability between results. Additionally, one robot evaluation will be completed. The intervention phase consists of 12 weeks of robot and transition to task arm exercise training (TTT). Interventions will occur approximately 3 times per week for 12 weeks for a total of 36 visits. Additional time and visits will be allowed with visits occurring 4 times per week or up to 6 additional weeks (not to exceed 18 weeks) if scheduling conflicts arise. The intervention sessions will be one hour in duration. During the hour-long intervention, 45 minutes of robotic intervention will be followed by 15 minutes of TTT. The training will be sequential with 12 sessions focused on the wrist, followed by 12 sessions on the shoulder-elbow and the final 12 sessions alternating between the wrist and elbow-shoulder. After the final training session, subjects will return after a 12 week retention period. At various time points during and after the intervention phase there will be additional arm function testing, robot evaluations, questionnaires, MRI and TMS sessions for re-assessment.


Recruitment information / eligibility

Status Completed
Enrollment 1
Est. completion date March 31, 2020
Est. primary completion date March 31, 2020
Accepts healthy volunteers No
Gender All
Age group 21 Years and older
Eligibility Inclusion Criteria: - Clinically defined, unilateral, hemiparetic stroke with radiologic exclusion of other possible diagnosis - Stroke onset at least 6 months before enrollment - Present with Mild/Moderate to Severe arm dysfunction (based on Fugl-Meyer scores of 10 to 45) - Be medically stable to participate in the study - Be English speaking Exclusion Criteria: - Unable to give informed consent - Have a serious complicating medical illness that would preclude participation. - Contractures or orthopedic problems limiting range of joint motion in the potential study arm - Visual loss such that the subject would not be able to see the test patterns on the robot computer monitor - Botulinum toxin to study arm within four months of study enrollment or if received during the study period - Unable to comply with requirements of the study - Participants with a history of a seizure will not be precluded from the study, but will not be enrolled in the TMS portions - Participants with electromagnetic exclusions (metal implants in the cranium, implanted electronic devices etc.) will not be precluded from the study but will be excluded from the MRI and TMS portions - Have a serious complicating medical illness that would preclude participation

Study Design


Intervention

Device:
Robot + TTT exercise
The intervention will be completed 36 visits approximately 3x/week for 12-18 weeks. The training progression will be sequential with 12 visits completed on the wrist robot, followed by 12 visits on the shoulder-elbow robot and completing with 12 visits alternating sessions on the wrist and shoulder-elbow robot. Participants will perform robot training for 45 minutes with each robot followed by 15 minutes of TTT practice to complete their 60 minute intervention session.

Locations

Country Name City State
United States VA Pittsburgh Healthcare System Pittsburgh Pennsylvania

Sponsors (2)

Lead Sponsor Collaborator
VA Pittsburgh Healthcare System University of Pittsburgh

Country where clinical trial is conducted

United States, 

References & Publications (6)

Benjamin EJ, Blaha MJ, Chiuve SE, Cushman M, Das SR, Deo R, de Ferranti SD, Floyd J, Fornage M, Gillespie C, Isasi CR, Jiménez MC, Jordan LC, Judd SE, Lackland D, Lichtman JH, Lisabeth L, Liu S, Longenecker CT, Mackey RH, Matsushita K, Mozaffarian D, Mussolino ME, Nasir K, Neumar RW, Palaniappan L, Pandey DK, Thiagarajan RR, Reeves MJ, Ritchey M, Rodriguez CJ, Roth GA, Rosamond WD, Sasson C, Towfighi A, Tsao CW, Turner MB, Virani SS, Voeks JH, Willey JZ, Wilkins JT, Wu JH, Alger HM, Wong SS, Muntner P; American Heart Association Statistics Committee and Stroke Statistics Subcommittee. Heart Disease and Stroke Statistics-2017 Update: A Report From the American Heart Association. Circulation. 2017 Mar 7;135(10):e146-e603. doi: 10.1161/CIR.0000000000000485. Epub 2017 Jan 25. Review. Erratum in: Circulation. 2017 Mar 7;135(10 ):e646. Circulation. 2017 Sep 5;136(10 ):e196. — View Citation

Connell LA, Smith MC, Byblow WD, Stinear CM. Implementing biomarkers to predict motor recovery after stroke. NeuroRehabilitation. 2018;43(1):41-50. doi: 10.3233/NRE-172395. Review. — View Citation

Gauthier LV, Taub E, Mark VW, Perkins C, Uswatte G. Improvement after constraint-induced movement therapy is independent of infarct location in chronic stroke patients. Stroke. 2009 Jul;40(7):2468-72. doi: 10.1161/STROKEAHA.109.548347. Epub 2009 May 21. — View Citation

Lang CE, Bland MD, Bailey RR, Schaefer SY, Birkenmeier RL. Assessment of upper extremity impairment, function, and activity after stroke: foundations for clinical decision making. J Hand Ther. 2013 Apr-Jun;26(2):104-14;quiz 115. doi: 10.1016/j.jht.2012.06.005. Epub 2012 Sep 10. Review. — View Citation

Mehrholz J, Pohl M, Platz T, Kugler J, Elsner B. Electromechanical and robot-assisted arm training for improving activities of daily living, arm function, and arm muscle strength after stroke. Cochrane Database Syst Rev. 2018 Sep 3;9:CD006876. doi: 10.1002/14651858.CD006876.pub5. Review. — View Citation

Stinear CM, Byblow WD, Ackerley SJ, Barber PA, Smith MC. Predicting Recovery Potential for Individual Stroke Patients Increases Rehabilitation Efficiency. Stroke. 2017 Apr;48(4):1011-1019. doi: 10.1161/STROKEAHA.116.015790. Epub 2017 Mar 9. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other A Change in Motor Evoked Potential During Transcranial Magnetic Stimulation of the Motor Cortex TMS stimulation of the motor cortex will be performed using MagStim 200 Magnetic Stimulators (MagStim Ltd., Wales, UK) to assess change in the motor evoked potential (MEP) of the arm muscles. Immediately following the 12-week intervention
Other A Change in Brain Connections Assessed Via MRI of the Brain A detailed analysis of the MRI data will examine individual interregional connections to determine whether any of them are more sensitive to the intervention than others. Immediately following the 12-week intervention
Primary A Change in the Fugl-Meyer Upper Extremity Assessment Score The Fugl-Meyer is one of the primary outcome measures assessing change in arm use from baseline testing to mid-training after visits 12 and 24, and post-training after visit 36 and the 12 week retention period. It is a stroke-specific measure of impairment of the upper extremity that has been shown to be valid and reliable with high inter-rater and test-retest reliability. It provides a direct-observational assessment of volitional movement and motor impairment related to reflexes, sensation, and abnormal synergies. Each item on the FM is rated on a three-point ordinal scale (0 = cannot perform, 1 = performs partially, 2 = performs fully). The scale ranges from 0-66 with higher scores representing less motor impairment. Immediately following the 12-week intervention
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