Optokinetic Virtual Reality Stimulation in Unilateral Vestibular Hypofunction
NCT ID: NCT06517446
Last Updated: 2025-07-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
48 participants
INTERVENTIONAL
2025-09-07
2026-10-07
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Group 1 (VR Group)
Participants will receive a structured conventional vestibular rehabilitation program for eight weeks, once a week, in 45-minute sessions supervised by a physiotherapist. The program will be individualized based on Cawthorne-Cooksey exercises and progressively advanced with the guidance of a vestibular therapist. Additionally, participants will be provided with a home exercise program, to be performed twice daily (morning and evening), with 10 repetitions each time.
Conventional rehabilitation program based on Cawthorne Cooksey exercises
The program will consist of Tracking, VOR, Neck, Static-Dynamic Balance Exercises and Walking training. These exercises depend on the patient's condition; It will be done in sitting, Romberg, semitandem, tandem and walking positions with eyes open and closed. Hard and soft grounds will be used.
Group 2 (OKS Group)
Optokinetic stimulation sessions are planned with a balloon rotation speed of 20°/s (degrees per second) during the first four weeks. In the fifth and sixth weeks, the speed will be increased to 25°/s, and in the seventh and eighth weeks, it will be raised to 30°/s. The background screen will be set to rotate in the same direction as the balloons, with a rotation speed equal to 30-50% of the balloon rotation speed. The visual stimulus scene will feature colorful balloons moving in circular patterns, both clockwise and counterclockwise. Participants will be instructed to focus on a red balloon within the scene. The initial session duration will be set at 30 seconds and will be gradually increased up to 150 seconds depending on the participant's tolerance. Each session will include three repetitions of optokinetic stimulation.
Optokinetic Virtual Reality Stimulation
The optokinetic stimulation protocol is defined as follows:
* Optokinetic stimulation sessions are planned with a balloon rotation speed of 20°/s (degrees per second) during the first four weeks. In the fifth and sixth weeks, the speed will be increased to 25°/s, and in the seventh and eighth weeks, it will be raised to 30°/s.
* The background screen will be set to rotate in the same direction as the balloons, with a rotation speed equal to 30-50% of the balloon rotation speed.
* Session duration will start at 30 seconds and will increase to 150 seconds depending on patient tolerance as the sessions progress.
* Participants will be instructed to focus on the red balloon in a moving visual scene.
Optokinetic stimuli will be applied to participants in various postures: sitting, upright posture (feet together), semi-tandem stance, or tandem stance positions.
Group 3 (VR+OKS Group)
Participants in this group will receive both the vestibular rehabilitation program and the optokinetic stimulation described above. Both interventions will be administered simultaneously over an 8-week period, in accordance with the respective protocols.
VR+OKS
The optokinetic stimulation protocol is defined as follows:
Optokinetic stimulation will be applied over 8 weeks with gradually increasing balloon rotation speeds: 20°/s (weeks 1-4), 25°/s (weeks 5-6), and 30°/s (weeks 7-8). The background will rotate in the same direction at 30-50% of the balloon speed. Sessions will start at 30 seconds and increase to 150 seconds based on tolerance. Participants will focus on a red balloon in a rotating visual scene, and the stimulation will be performed in various postures including sitting, feet together, semi-tandem, and tandem stance.
The program will consist of Tracking, VOR, Neck, Static-Dynamic Balance Exercises and Walking training. These exercises depend on the patient's condition; It will be done in sitting, Romberg, semitandem, tandem and walking positions with eyes open and closed. Hard and soft grounds will be used.
Interventions
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Optokinetic Virtual Reality Stimulation
The optokinetic stimulation protocol is defined as follows:
* Optokinetic stimulation sessions are planned with a balloon rotation speed of 20°/s (degrees per second) during the first four weeks. In the fifth and sixth weeks, the speed will be increased to 25°/s, and in the seventh and eighth weeks, it will be raised to 30°/s.
* The background screen will be set to rotate in the same direction as the balloons, with a rotation speed equal to 30-50% of the balloon rotation speed.
* Session duration will start at 30 seconds and will increase to 150 seconds depending on patient tolerance as the sessions progress.
* Participants will be instructed to focus on the red balloon in a moving visual scene.
Optokinetic stimuli will be applied to participants in various postures: sitting, upright posture (feet together), semi-tandem stance, or tandem stance positions.
Conventional rehabilitation program based on Cawthorne Cooksey exercises
The program will consist of Tracking, VOR, Neck, Static-Dynamic Balance Exercises and Walking training. These exercises depend on the patient's condition; It will be done in sitting, Romberg, semitandem, tandem and walking positions with eyes open and closed. Hard and soft grounds will be used.
VR+OKS
The optokinetic stimulation protocol is defined as follows:
Optokinetic stimulation will be applied over 8 weeks with gradually increasing balloon rotation speeds: 20°/s (weeks 1-4), 25°/s (weeks 5-6), and 30°/s (weeks 7-8). The background will rotate in the same direction at 30-50% of the balloon speed. Sessions will start at 30 seconds and increase to 150 seconds based on tolerance. Participants will focus on a red balloon in a rotating visual scene, and the stimulation will be performed in various postures including sitting, feet together, semi-tandem, and tandem stance.
The program will consist of Tracking, VOR, Neck, Static-Dynamic Balance Exercises and Walking training. These exercises depend on the patient's condition; It will be done in sitting, Romberg, semitandem, tandem and walking positions with eyes open and closed. Hard and soft grounds will be used.
Eligibility Criteria
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Inclusion Criteria
* Being between the ages of 18-65,
* Being in the A+ class on the System Usability Scale (SCS) and having a value between 96-100 percentile
Exclusion Criteria
* Having a visual impairment,
* Having a neurological disorder
* Inability to communicate
18 Years
65 Years
ALL
No
Sponsors
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Istanbul Medipol University Hospital
OTHER
Responsible Party
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Ebru Sever
Specialist Physiotherapist
Locations
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Kocaeli Health and Technology University
Kocaeli, , Turkey (Türkiye)
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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EBRUDOKTORA
Identifier Type: -
Identifier Source: org_study_id
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