Unruptured Cerebral Aneurysm Study in Japan

Unruptured Cerebral Aneurysm Study in Japan - UCAS Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-C000000418

Enrollment

8000

Registered

2006-05-17

Start date

2001-01-01

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

Unruptured intracranial aneurysms

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Aneurysm equal or more than 3mm in size

Exclusion criteria

Exclusion criteria: No informed consent

Design outcomes

Primary

Measure	Time frame
Rupture rate of unruptured intracranial aneurysms during the initial 3 years after the confirmation of the aneurysms	—

Secondary

Measure	Time frame
Management risks of the unruputred intracranial aneurysms	—

Countries

Japan

Contacts

Public ContactAkio Morita

Faculty of medicine, University of Tokyo Neurosurgery

ucasj-head@umin.ac.jp03-5800-8853

Outcome results