The Effects of Caffeine on Vestibular Evoked Myogenic Potentials in Healthy Subjects

The Effects of Caffeine on Vestibular Evoked Myogenic Potentials in Healthy

Status

UNKNOWN

Phases

Phase 4

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01693809

Enrollment

Registered

2012-09-26

Start date

2012-01-31

Completion date

2013-01-31

Last updated

2012-10-02

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

Conditions

Healthy Subjects

Keywords

Caffeine, Vestibular Evoked Myogenic Potentials, dizziness, vertigo, tinnitus

Brief summary

The principal aim of this study is to evaluate the presence of changes in cervical vestibular evoked myogenic potentials (VEMPc) after acute intake of caffeine in healthy subjects. Secondarily, it wants to standardize normal values exam VEMPc in otorhinolaryngology service of the hospital.

Interventions

DRUGCaffeine

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

SCREENING

Masking

SINGLE (Investigator)

Eligibility

Sex/Gender

ALL

Age

20 Years to 40 Years

Healthy volunteers

Yes

Inclusion criteria

* healthy subjects

Exclusion criteria

* hearing impairment * caffeine abuse 24 hours before the test * medication remains * hypertension, dyslipidemia, diabetes mellitus or sleep disorders.

Design outcomes

Primary

Measure	Time frame
Alteration of p13 and n23 latency and p13-n23 amplitude before and after caffeine intake.	60 minutes

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026