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Active, not recruitingNCT05889676BCVEMP By B250Updated Jul 15, 2025

Validation of a Simultaneous Ocular/Cervical VEMP With Mastoid Vibration by B250

An observational study in Vertigo, sponsored by Region Stockholm. Active, not recruiting at 1 site in Sweden. Per ClinicalTrials.gov, last updated 2025-07-15.

Sponsored by Region Stockholm · Observational

From the registry’s dates

  • Primary completion was expected by Dec 2025, 9 months ago, but the record still lists the study as active, not recruiting.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
120
Sex
All
01

Study summary

A Validation study in which the standard separate cVEMP and oVEMP will be compared with a new protocol in which the cVEMP and oVEMP can be recorded simultaneously in response to a mastoid vibration by bone transducer B250

02

Conditions studied

  • Vertigo

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03

In context

Vertigo

248 studies on the registry are indexed under Vertigo; 39 are open to participants now.

This study's planned enrollment of 120 is below the median of 151 across 50 observational studies indexed under Vertigo.

Browse Vertigo studies →

Lead sponsor

Region Stockholm is the lead sponsor of 119 studies on the registry; 70 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

all adult patients attedning the balance laboratory at Karolinska University Hospital after written consent.

Inclusion criteria

-) dizzy patients attending the balance laboratory -

Exclusion criteria

Exclusion Criteria:

-) age \< 18 years old

05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
120 participants (estimated)
Target follow-up
1 Day
Patient registry
Yes

Interventions

  • Diagnostic testVEMP by bone conduction

    New bone conducted VEMP elicited by transducer B250

06

What researchers measure

Primary outcomes

  1. response rate

    Time frame: during the procedure

07

Study locations

1 site
  • Karolinska University Hospital, Hearing and Balance Unit
    Stockholm, 14186, Sweden
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 15, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05889676
Lead sponsor
Region Stockholm
Responsible party
Luca Verrecchia (Principal investigator, Region Stockholm) — Principal investigator
First posted
Jun 5, 2023
Start date
May 30, 2023
Primary completion
Dec 31, 2025 (estimated)
Completion
Dec 31, 2025 (estimated)
Last update
Jul 15, 2025

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 active, not recruiting, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.

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Discussion

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