Vertigo Clinical Trial
Official title:
Efficacy of a Mechanical Chair for Treatment of Benign Paroxysmal Positional Vertigo (BPPV)
NCT number | NCT03161470 |
Other study ID # | 160176 |
Secondary ID | |
Status | Terminated |
Phase | N/A |
First received | |
Last updated | |
Start date | June 8, 2017 |
Est. completion date | September 5, 2020 |
Verified date | October 2020 |
Source | Vanderbilt University Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Benign paroxysmal positional vertigo (BPPV) is the most common inner ear cause of dizziness. It has been reported that up to 900 of every 10,000 people in the United States experience this problem with an estimated annual healthcare cost approaching $2 Billion. This problem occurs when calcium carbonate "crystals" which are present and needed in one part of the balance area of the inner ear become displaced to a different part of the balance area. This is very disruptive to the function of the inner ear and results primarily in intense vertigo. Nausea,imbalance, and falls can also occur. The accepted course of management for BPPV is the use of "repositioning maneuvers" which are completed by moving patients through specific head/body positions that literally reposition the displaced crystals out of the wrong area. These treatment methods are reported to be effective for about 80% of patients after one-to-three treatments. For the remaining 20% of patients, more treatments may be necessary and for a small percentage of patients surgical options may be the only cure. Additionally, some patients with BPPV are not able to physically move into the needed positions because of hip and neck problems, spinal problems, obesity, other mobility limitations, etc. Within the past decade, a motorized chair was developed to help reposition any patient with BPPV. There have been no reported adverse incidents with the motorized chair but the device was quite expensive so it was only available at a handful of clinical sites. At this time the motorized chair is no longer being manufactured. More recently, a mechanical chair was developed and has been in use in Europe and China. The mechanical chair has all the advantages of the motorized chair but with a lesser cost. The inventor of the mechanical chair has also developed some slight variations on treatment technique that may have the potential to improve treatment efficacy. We are privileged to have the only mechanical chair of this type in the United States. The primary purpose of the current project is to systematically investigate the treatment efficacy of this mechanical chair for patients with BPPV. We will compare treatment outcomes for patients diagnosed with BPPV using standard methods, the mechanical chair, and a sham condition also using the mechanical chair. A secondary purpose is to determine treatment efficacy for patients with covert BPPV. We will simply measure if treatment with the mechanical chair has any effect on patient symptoms. If we determine treatment is improved with the mechanical chair then it may be possible to help a greater number of patients with BPPV with fewer treatments.
Status | Terminated |
Enrollment | 13 |
Est. completion date | September 5, 2020 |
Est. primary completion date | September 5, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - All adult patients identified with BPPV through the Vanderbilt Balance Disorders Clinic or diagnosed with BPPV by Vanderbilt Otolaryngology will be eligible for inclusion. Exclusion Criteria: - Patients without BPPV. Also, the mechanical chair is contraindicated for for patients weighing over 330 lbs, patients presenting with unusual headache symptoms, uncontrolled high blood pressure or some associated neurological symptoms or any other atypical findings. It must not be used if the patient has undergone neurosurgery or cardiac surgery within the past month. |
Country | Name | City | State |
---|---|---|---|
United States | Vanderbilt University Medical Center | Nashville | Tennessee |
Lead Sponsor | Collaborator |
---|---|
Vanderbilt University Medical Center |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Dix-Hallpike Test | This is the test used to determine if a patient is positive or negative for posterior or anterior canal BPPV. | Treatment will take 15 minutes. Patient will be assessed seven days later. | |
Primary | Roll Test | This is the test used to determine if a patient is positive or negative for horizontal canal BPPV. | Treatment will take 15 minutes. Patient will be assessed seven days later. | |
Secondary | Dizziness Handicap Inventory | This is a validated subjective measure of impact of dizziness on health-related quality of life. | Ten minutes before intervention and seven days after intervention. | |
Secondary | Percent Dizziness is Improved | Patients will rate their dizziness on a zero to 100 point scale. Zero will be no dizziness and 100 will be maximum dizziness. | Five minutes before treatment and seven days post-treatment |
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