Development of a new method to recovery positional nystagmus in benign paroxysmal positional vertigo that disappeared due to benign paroxysmal positional vertigo fatigue

Development of a new method to recovery positional nystagmus in posterior semicircular canal type benign paroxysmal positional vertigo that disappeared due to benign paroxysmal positional vertigo fatigue - Development of a new method to recovery benign paroxysmal positional nystagmus that disappeared due to BPPV fatigue

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000054208

Enrollment

Registered

2024-04-20

Start date

2024-04-19

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

Posterior canal type of benign paroxysmal positional vertigo

Interventions

After confirming that BPPV fatigue has occurred in the second Dix-Hallpike test, in a sitting position, bend the head forward approximately 90 degrees and rotate it toward the affected side in 20 pati

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A case in which positional nystagmus typical of posterior canal type of benign paroxysmal positional vertigo is observed during the Dix-Hallpike test on the affected side.

Exclusion criteria

Exclusion criteria: Patients who have a disease in the neck or lumbar region and cannot undergo a Dix-Hallpike test Pregnant woman Other patients whose attending physician has determined that it is inappropriate to participate in this study

Design outcomes

Primary

Measure	Time frame
The ratio of maximum slow phase eye velocity (MSPEV) of positional nystagmus when third Dix-Hallpike test against MSPEV of positional nystagmus when first Dix-Hallpike test	—

Secondary

Measure	Time frame
The values of all maximum slow phase eye velocity of positional nystagmus when first, second and third Dix-Hallpike tests	—

Countries

Japan

Contacts

Public ContactTakao Imai

Bell Land General Hospital Clinical Research Review Board

irb@bh.seichokai.or.jp+81-72-234-2001

Outcome results

None listed

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