Status:

NOT_YET_RECRUITING

Visual Restoration Using Focused Ultrasound Stimulation and Immersive Virtual Reality After Stroke

Lead Sponsor:

Duke University

Conditions:

Stroke

Visual Field Defect

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

This research will explore if brain stimulation combined with virtual reality therapy improves visual impairment. The stimulation technique is called low-intensity focused ultrasound stimulation (LIFU...

Detailed Description

Randomization visit and 1st Intervention visit: The randomization visit and 1st intervention vision will be on the same day. Participants will be "randomized" into one of the study groups described b...

Eligibility Criteria

Inclusion

  • ≥ 18 years old of any gender and race
  • Clinical ischemic stroke or hemorrhagic (confirmed by CT or MRI) that occurred \>= 6-24 months ago
  • Partial or complete homonymous hemianopsia on clinical exam

Exclusion

  • Documented history of severe dementia with or without medication before stroke that affect subject's ability to participate in and be compliant to study protocol
  • Significant upper motor deficits and the subject cannot do IVR sessions at the baseline
  • History of seizures
  • Inability to get a new MRI
  • Presence of any ultrasonic stimulation risk factors: an electrically, magnetically, or mechanically activated metal or nonmetal implant including cardiac pacemaker, intracerebral vascular clips, or any other electrically sensitive support system; non-fixed metal in any part of the body; pregnancy (the effect of ultrasonic stimulation on the fetus is unknown); preexisting scalp lesion or wound or bone defect or hemicraniectomy.
  • Patients will be excluded if they have a previous diagnosis of hemianopsia, a new diagnosis of central retinal ischemic injury, or visual blindness or a history of any other ocular disease.
  • Concerns about the inability to complete study visits/procedures by the PI.

Key Trial Info

Start Date :

December 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2027

Estimated Enrollment :

28 Patients enrolled

Trial Details

Trial ID

NCT06875206

Start Date

December 1 2025

End Date

April 1 2027

Last Update

September 26 2025

Active Locations (1)

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Duke University Health System

Durham, North Carolina, United States, 27710