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Effectiveness of additional betahistine in residual dizziness after successful Epley maneuver for posterior canal benign paroxysmal positional vertigo, a prospective randomised double-blind placebo-controlled trial

Effectiveness of additional betahistine in residual dizziness after successful Epley maneuver for posterior canal benign paroxysmal positional vertigo, a prospective randomised double-blind placebo-controlled trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260304003
Enrollment
46
Registered
2026-03-04
Start date
2023-06-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Posterior canal benign paroxysmal positional vertigo (BPPV) with residual dizziness after canalith repositioning procedure BPPV, residual dizziness

Interventions

Betahistine 48 mg/day for 7 days , Placebo for 7 days
Experimental Drug,Placebo Comparator Other
Experimental Group,Control Group

Sponsors

Thammasat University, Thailand
Lead Sponsor
Kaveorn Patanasukit
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age 18 to 80 years, 2. Diagnosis of posterior canal BPPV confirmed by Dix Hallpike maneuver, 3. Successful treatment with canalith repositioning procedure, 4. Normal neurological examination

Exclusion criteria

Exclusion criteria: 1. History of cardiovascular or cerebrovascular disease, 2. Ophthalmologic disorders affecting vision, 3. Cervical spine disease or prior cervical spine surgery, 4. Prior use of vestibular suppressant medications, 5. Persistent posterior canal BPPV at 1-week follow-up, 6. Declined participation

Design outcomes

Primary

MeasureTime frame
quality of life Baseline (before intervention) , 1 week after intervention and 1 month after intervention Dizziness handicap inventory—

Secondary

MeasureTime frame
quality of life Baseline (before intervention) , 1 week after intervention and 1 month after intervention visual vertigo analogue scale—

Countries

Thailand

Contacts

Public ContactKaveorn Patanasukit

thammasat hospital

kaveornpat@gmail.com0825459922

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026