NIPH Clinical Trials Search

UMIN ID: C000000418

Registered date:17/05/2006

Unruptured Cerebral Aneurysm Study in Japan

Basic Information

Recruitment status Complete: follow-up complete
Health condition(s) or Problem(s) studiedUnruptured intracranial aneurysms
Date of first enrollment2001/01/01
Target sample size8000
Countries of recruitmentJapan
Study typeObservational


Primary OutcomeRupture rate of unruptured intracranial aneurysms during the initial 3 years after the confirmation of the aneurysms
Secondary OutcomeManagement risks of the unruputred intracranial aneurysms

Key inclusion & exclusion criteria

Age minimum20years-old
Age maximum100years-old
GenderMale and Female
Include criteria
Exclude criteriaNo informed consent

Related Information


public contact
Name Akio Morita
Address 7-3-1Hongo, Bunkyo-ku TOkyo, Japan Japan
Telephone 03-5800-8853
Affiliation Faculty of medicine, University of Tokyo Neurosurgery
scientific contact
Name Takaaki Kirino
Address 7-3-1, Hongo, BUnkyo-ku, Tokyo, japan Japan
Telephone 03-5800-8853
Affiliation Department of Neurosurgery, Faculty of Medicine, University of Tokyo Administrative office for UCAS Japan Neurosurgery