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The effect of caloric vestibular stimulation on pain levels in phantom limb sensations

The effect of caloric vestibular stimulation on pain levels in phantom limb sensations

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12619001063101
Enrollment
30
Registered
2019-07-31
Start date
2019-08-01
Completion date
2020-12-31
Last updated
2019-08-26

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

Conditions

None listed

Brief summary

Phantom limb sensations are well-known phenomena, occurring in up to 55-80% of amputees. A subset of these individuals experience a neuropathic pain syndrome known as phantom limb pain (PLP), which can occur from days to years after amputation. This can be both psychological and physically draining for amputees. The vestibular (balance) system is widely integrated within the somatosensory system and is thought to modulate the perception of neuropathic pain. The aim of this study is to investigate the use of caloric vestibular stimulation (CVS) for alleviating PLP. Activation of the vestibular system by CVS may represent a novel, safe and alternative therapy for patients suffering from PLP.

Interventions

For the intervention group, ice cold water will be delivered via a plastic cannula to the external ear canal of the right ear, for 3 minutes. Water will be delivered continuously by gravity feed and under direct visual observation. After a 5 minute interval, this will be repeated for the contralateral (left) ear. Timing will be monitored by a digital stopwatch. The procedure will be performed by a medical officer. The intervention will be delivered in a single session at a rehabilitation facili

For the intervention group, ice cold water will be delivered via a plastic cannula to the external ear canal of the right ear, for 3 minutes. Water will be delivered continuously by gravity feed and under direct visual observation. After a 5 minute interval, this will be repeated for the contralateral (left) ear. Timing will be monitored by a digital stopwatch. The procedure will be performed by a medical officer. The intervention will be delivered in a single session at a rehabilitation facility.

Sponsors

Minh-Son To
Lead SponsorIndividual

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Blinded (masking used) (Subject, Investigator)

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Amputees (upper and/or lower limb, unilateral or bilateral, due to any cause Painful phantom limb(s)

Exclusion criteria

Cognitive impairment Difficulties with speech or communication Ongoing or history of ear perforation Active otitis externa or otitis media

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026