Investigation of Odor as a Trigger in Patients with Migraine

Investigation of Odor as a Trigger in Patients with Migraine - Investigation of Odor as a Trigger in Patients with Migraine

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061142

Enrollment

Registered

2026-04-03

Start date

2026-04-03

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

migraine

Interventions

Study participants will inhale an odorant. Study participants will inhale a mild odorant. Study participants will inhale an odorless substance. (sham)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with migraine who visit Keio University Hospital or Japanese Red Cross Shizuoka Hospital and have agreed to inhale an odor and respond to questionnaires.

Exclusion criteria

Exclusion criteria: Patients who are pregnant or suspected of being pregnant. Patients with severe diseases who are considered unable to participate in the study. Patients who are judged to be unsuitable for participation in this study, etc.

Design outcomes

Primary

Measure	Time frame
Headache following intervention.	—

Countries

Japan

Contacts

Public ContactTsubasa Takizawa

Keio University School of Medicine Neurology

tsubasa.takizawa@keio.jp03-5363-3788

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026