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The purpose of this study is to examine the effectiveness of group acceptance and commitment therapy with vestibular rehabilitation for chronic dizziness, in comparison with self-treatment vestibular rehabilitation in addition to clinical management.
The purpose of this study is to examine whether group acceptance and commitment therapy combined with vestibular rehabilitation in addition to clinical management for patients with persistent postural-perceptual dizziness is more effective than treatment-as-usual(TAU), which is self-treatment vestibular rehabilitation in addition to clinical management.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ACT with VR | Experimental | acceptance and commitment therapy with vestibular rehabilitation in addition to clinical management |
|
| Self-treatment VR | Active Comparator | self-treatment vestibular rehabilitation in addition to clinical management |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ACT with VR | Behavioral | 6 weekly 120-minute group sessions of acceptance and commitment therapy with vestibular rehabilitation, and brief (approximately 15 minute) individual follow-up sessions at 1 and 3 months after the group treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Handicap due to dizziness | The total score of Dizziness Handicap Inventory (DHI) (The DHI scores range from 0 to 100 points. The higher the score, the greater the handicap.) | Post-treatment and 1, 3, and 6 months after treatment (The time point of primary interest is 3 months after treatment.) |
| Measure | Description | Time Frame |
|---|---|---|
| Response | Decrease in the total score of DHI equal to or more than 11 | Post-treatment and 1, 3, and 6 months after treatment |
| Remission | The total score of DHI equal to or less than 14 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Masaki Kondo, MD, PhD | Nagoya City University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nagoya City University | Nagoya | Aichi-ken | 467-8601 | Japan |
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Statisticians are blinded.
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| self-treatment VR | Behavioral | booklet written on vestibular rehabilitation for self-treatment |
|
| clinical management | Other | clinical management and pharmacotherapy as usual for chronic dizziness |
|
| Post-treatment and 1, 3, and 6 months after treatment |
| Frequency of dizziness-related symptoms | The total score of Vertigo Symptom Scale-short form (VSS-sf) (The VSS-sf scores range from 0 to 60 points. The higher the score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |
| Anxiety | The anxiety subscale score of Hospital Anxiety and Depression Scale (HADS) (The HADS-anxiety scores range from 0 to 21 points. The higher the score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |
| Depression | The depression subscale score of HADS (The HADS-depression scores range from 0 to 21 points. The higher the score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |
| Recovery process | The total score of Recovery Assessment Scale (RAS) (The RAS scores range from 24 to 120 points. The higher the score, the better.) | Post-treatment and 1, 3, and 6 months after treatment |
| Health-related quality of life | The score of EuroQOL 5 dimensions 5-level (EQ-5D-5L) (The EQ-5D-5L scores range from 0 to 1. The higher the score, the better.) | Post-treatment and 1, 3, and 6 months after treatment |
| Valued living (progress, obstruction) | The each subscale score of Valuing Questionnaire (VQ) (The scores for both VQ-progress and VQ-obstruction range from 0 to 30. The higher the VQ-progress score, the better; the higher the VQ-obstruction score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |
| Cognitive fusion | The total score of Cognitive Fusion Questionnaire (CFQ) (The CFQ scores range from 7 to 49 points. The higher the score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |
| Somatic symptom burden | The total score of Somatic Symptom Scale-8 (SSS-8) (The SSS-8 scores range from 0 to 32. The higher the score, the worse.) | Post-treatment and 1, 3, and 6 months after treatment |