Ear zap may stop Post-Surgery headaches in aneurysm patients
NCT ID NCT07479082
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a non-invasive device that gently stimulates a nerve in the ear to see if it can prevent headaches after a brain aneurysm procedure. About 440 adults will either get the real stimulation or a fake version. The goal is to find a safe, drug-free way to reduce pain and the need for painkillers after surgery.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 440 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Jul 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Age 18-80 years 2. Diagnosed with unruptured intracranial aneurysm confirmed by imaging 3. Planned to undergo stent-assisted coiling or flow diverter embolization 4. Signed informed consent Exclusion Criteria: 1. History of SAH, ICH, brain tumor, major trauma, substance abuse, syncope, or seizures 2. Recurrent/traumatic/infectious/myxomatous aneurysms 3. Primary headache disorders (e.g., migraine, cluster headache, trigeminal neuralgia) not attributed to UIA 4. Previous vagotomy, migraine surgery, or implanted neurostimulators 5. Other concurrent electronic/implantable devices (e.g., pacemakers, neurostimulators) 6. Clinically significant hypotension, congenital heart disease, severe arrhythmia, unstable angina, or recent MI 7. Inability to follow up due to severe psychiatric disorder or refusal 8. Skin lesions at taVNS placement site 9. Pregnant or lactating 10. Participation in other trials
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Capital Medical University Affiliated Beijing Tiantan Hospital
RECRUITINGBeijing, Beijing Municipality, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Do Gender-Affirming hormones trigger headaches? thai survey probes the question
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- Can a numbing nose treatment stop migraine pain in its tracks?
- Could a symptom registry unmask hidden migraine variants?