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Efficacy of promethazine compared with ondansetron in the control of acute benign positional vertigo

Evaluation of the Efficacy of Intramuscular Promethazine Compared to Intravenous Ondansetron in the Control of benign Acute Positional Vertigo

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20240927063178N1
Enrollment
120
Registered
2025-08-06
Start date
2025-07-23
Completion date
Unknown
Last updated
2025-08-19

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

Conditions

Acute benign positional vertigo. Benign paroxysmal vertigo

Interventions

Intervention 1: Intervention group: Intramuscular promethazine 25 mg intramuscularly, single dose. Intervention 2: Intervention group: Intravenous ondansetron 4 mg single dose.

Sponsors

Babol University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: People aged between 18 and 65 years Having symptoms indicative of peripheral vertigo, including severe, paroxysmal vertigo, severe nausea and vomiting, with or without past or present auditory symptoms such as tinnitus or fullness in the ears Lack of new associated neurological symptoms

Exclusion criteria

Exclusion criteria: Drug allergy Lack of response to treatment within two hours after injection Having a drug reaction that leads to medical interventions and any type of severe complication, especially cardiac or cerebral events such as seizures, stroke, or cardiovascular disorders that threaten the patient's safety Pregnancy

Design outcomes

Primary

MeasureTime frame
Vertigo score based on VAS. Timepoint: vertigo score at the beginning of the study (before the intervention) and 1, 3, and 6 hours after drug injection. Method of measurement: based on Visual Analogue Scale.

Secondary

MeasureTime frame
Complications and patient satisfaction. Timepoint: at the beginning of the study. Method of measurement: Observation from the start of the intervention until 6 hours after drug injection.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Mir Saeid Ramezani

Babol University of Medical Sciences

ms.ramezani@mubabol.ac.ir+98 11 3219 9592

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026