Proof that a maneuver to restore positional nystagmus from benign paroxysmal positional vertigo fatigue in patients with bilateral posterior canal type of benign paroxysmal positional vertigo selectively restores positional nystagmus only on the side where the maneuver was performed - a crossover study

Proof that a maneuver to restore positional nystagmus from benign paroxysmal positional vertigo fatigue in patients with bilateral posterior canal type of benign paroxysmal positional vertigo selectively restores positional nystagmus only on the side where the maneuver was performed - a crossover study - Efficacy of a maneuver to restore positional nystagmus from BPPV fatigue in patients with bilateral posterior canal type of BPPV

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000056606

Enrollment

Registered

2025-01-06

Start date

2025-01-06

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bilateral posterior canals type of benign paroxysmal positional vertigo

Interventions

A maneuver is performed to restore positional nystagmus caused by benign paroxysmal positional vertigo fatigue. A maneuver is not performed to restore positional nystagmus caused by benign paroxysmal

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Outpatients (20-95 years old) at our hospital whose complaint was dizziness and/or vertigo and whose B score was 2 or more than 2.

Exclusion criteria

Exclusion criteria: Patients who do not consent to participate, have a medical history or possibility of cervical or lumber disease, have severe heart disease, or are possibly pregnant, and pregnant women.

Design outcomes

Primary

Measure	Time frame
Maximum slow phase eye velocity of positional nystagmus after a maneuver to restore positional nystagmus from benign paroxysmal positional vertigo fatigue	—

Countries

Japan

Contacts

Public ContactSayaka Yasuda

Bell Land General Hospital Clinical Research Review Board

irb@bh.seichokai.or.jp0722342001

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026