ClinicalTrials.gg
Not yet recruitingNCT07459725Updated Mar 10, 2026

Comparison of EEG-Timed vs. Repetitive Robot Therapy for Chronic Stroke

An interventional study of EEG-Timed Robot Operation and Repetitive Robotic System in Stroke, Chronic Stroke and Hemiparesis, sponsored by Seoul National University Bundang Hospital. Not yet recruiting. Open to participants aged 19 Years to 85 Years. Per ClinicalTrials.gov, last updated 2026-03-10.

Sponsored by Seoul National University Bundang Hospital · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
20
Allocation
Randomized
Ages
19 Years to 85 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 19 studies in Stroke by Seoul National University Bundang Hospital — 4 open to participants now, 4 under way, none of them phase 3. Stroke · Seoul National University Bundang Hospital.

Planned enrollment
11th of 16
20 · median 34
Started
2026
the only one that year
No phase
13 of 19
1 open now
Registered
19th of 19
by date

Among the 19 studies in Stroke by Seoul National University Bundang Hospital, this one is the 11th largest by planned enrollment of the 16 interventional ones, is the only one that started in 2026, is one of 13 with no phase, and was the 19th registered.

By phase

19 studies; the count open now beside each. This study's row is marked.

No phasethis study13 · 1 open
Observational3 · 2 open
Phase 2/32 · 0 open
Phase 21 · 1 open

By the year they started

First in 2011; this study’s year is marked. 1 started in 2026.

Size and results

Median enrollment 34 across the 16 interventional studies, 150 across the 3 observational. Of the 14 that completed or were terminated, 1 (7%) have results posted.

Was this useful?
Watch this landscapeDownload CSVWith an account: a weekly mail of what changed among 19 studies in Stroke by Seoul National University Bundang Hospital, or all of them as a file.
02

Study summary

This clinical trial compares two types of robotic hand rehabilitation-brain wave (EEG)-timed therapy versus simple repetitive therapy-to see which is more effective for recovering hand function in patients with chronic stroke. Participants will be randomly assigned to either group and will attend sessions using a wearable robotic hand device while wearing an EEG cap. In the EEG-timed group, the robot assists hand movements when participants successfully imagine moving and create specific brain signals, whereas in the repetitive group, the robot moves the hand automatically at set intervals. Both groups will receive a matched dose of robotic training to ensure a fair comparison of how the brain and hand function respond to the therapy.

03

Conditions studied

  • Stroke
  • Chronic Stroke
  • Hemiparesis

Browse trials for

04

Who can participate

Ages eligible
19 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Patients diagnosed with stroke.
  • Adults aged 19 to 85 years old at the time of screening.

Exclusion criteria

Exclusion Criteria:

  • Patients with severe, uncontrolled medical conditions.
  • Patients with uncontrolled hypertension, diabetes mellitus, or renal disease.
  • Patients with severe cognitive impairment that prevents them from following instructions for motor tasks ( [MMSE] score of 15 or below).

Note: Patients with an MMSE score of 15 or below may still be included if the Principal Investigator (or a delegated physician) determines that they have the capacity to perform the tasks and provide .

Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

MMSE and MoCA

Short tests of memory and thinking, each scored out of 30. Lower scores suggest more difficulty; criteria give a range, either to include people with memory problems or to leave them out.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Outcomes assessor)
Enrollment
20 participants (estimated)

Study arms

  • Experimental
    EEG-Timed Robot Therapy

    Device: EEG-Timed Robot Operation

  • Active comparator
    Repetitive Robot Therapy

    Device: Repetitive Robotic System

Interventions

  • DeviceEEG-Timed Robot Operation

    A wearable hand robot that activates in real-time when the patient successfully generates a specific brain signal (ERD) during movement observation and motor imagery.

  • DeviceRepetitive Robotic System

    A wearable robotic hand that provides repetitive hand opening and closing movements at fixed intervals, without requiring EEG signal triggering.

06

What researchers measure

Primary outcomes

  1. Change in Event-Related Desynchronization (ERD) During Motor Tasks

    Event-Related Desynchronization (ERD) is continuously measured using multi-channel EEG over the sensorimotor cortex while participants perform action observation and motor imagery (AO+MI) tasks. ERD represents the decrease in EEG power in specific frequency bands (e.g., mu or beta rhythms), which reflects the level of cortical activation. A greater magnitude of ERD indicates stronger and more active neurophysiological engagement of the motor cortex.

    Time frame: Baseline, Week 2, Week 4, and Week 6

Secondary outcomes

  1. Change in Upper Extremity Motor Function Assessed by the Fugl-Meyer Assessment (FMA-UE)

    The Fugl-Meyer Assessment for Upper Extremity (FMA-UE) is a stroke-specific, performance-based index designed to assess motor impairment. It evaluates movement, coordination, and reflex action of the shoulder, elbow, forearm, wrist, and hand. The total FMA-UE score ranges from 0 to 66. Higher scores indicate better motor function and less impairment.

    Time frame: Baseline, Week 2, Week 4, and Week 6

  2. Change in Upper Extremity Motor Performance Assessed by the Action Research Arm Test (ARAT)

    The Action Research Arm Test (ARAT) is an observational, performance-based measure used to assess upper extremity function, specifically focusing on grasping, gripping, pinching, and gross movement. The total score ranges from 0 to 57. Higher scores indicate better arm and hand motor performance and greater upper limb dexterity.

    Time frame: Baseline, Week 2, Week 4, and Week 6

07

Study locations

No study locations are listed for this record.

08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Mar 2026; primary completion for Mar 2028, 24 months later.

Of 3,108 non-industry interventional studies with no phase under Stroke, half reached primary completion within 23 months of starting (the median), counting those still running; a quarter within 10 and three quarters within 46. This study's planned 24 months is close to that.

Counting every sponsor, half of 3,252 studies reached it within 23 months; a quarter within 10 and three quarters within 46.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 5, 2026
First posted
Mar 10, 2026
StartEst.
Mar 16, 2026
Primary completionEst.
Mar 31, 2028
CompletionEst.
Dec 31, 2028
Last update
Mar 10, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Mar 10, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07459725
Responsible party
Nam-Jong Paik (Professor, Seoul National University Bundang Hospital) — Principal investigator
First posted
Mar 10, 2026
Start date
Mar 16, 2026 (estimated)
Primary completion
Mar 31, 2028 (estimated)
Completion
Dec 31, 2028 (estimated)
Last update
Mar 10, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Feb 2026. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion