UMIN-CTR Clinical Trial

Unique ID issued by UMIN C000000418
Receipt number R000000510
Scientific Title Unruptured Cerebral Aneurysm Study in Japan
Date of disclosure of the study information 2006/05/17
Last modified on 2012/11/12 09:15:47

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Basic information

Public title

Unruptured Cerebral Aneurysm Study in Japan

Acronym

UCAS Japan

Scientific Title

Unruptured Cerebral Aneurysm Study in Japan

Scientific Title:Acronym

UCAS Japan

Region

Japan


Condition

Condition

Unruptured intracranial aneurysms

Classification by specialty

Neurosurgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Clarify natural course of unruptured intracranial aneurysms and to prove that the annual rupture rate of unruptured intracranial aneurysms is more than 0.5%.

Basic objectives2

Others

Basic objectives -Others

Clarify management risks of unruptured intracranial aneurysms

Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Rupture rate of unruptured intracranial aneurysms during the initial 3 years after the confirmation of the aneurysms

Key secondary outcomes

Management risks of the unruputred intracranial aneurysms


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

100 years-old >

Gender

Male and Female

Key inclusion criteria

Aneurysm equal or more than 3mm in size

Key exclusion criteria

No informed consent

Target sample size

8000


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Takaaki Kirino

Organization

Department of Neurosurgery, Faculty of Medicine, University of Tokyo
Administrative office for UCAS Japan

Division name

Neurosurgery

Zip code


Address

7-3-1, Hongo, BUnkyo-ku, Tokyo, japan

TEL

03-5800-8853

Email



Public contact

Name of contact person

1st name
Middle name
Last name Akio Morita

Organization

Faculty of medicine, University of Tokyo

Division name

Neurosurgery

Zip code


Address

7-3-1Hongo, Bunkyo-ku TOkyo, Japan

TEL

03-5800-8853

Homepage URL

http://ucas-j.umin.ac.jp/home.htm

Email

ucasj-head@umin.ac.jp


Sponsor or person

Institute

Society of Japan Neurosurgical Society

Institute

Department

Personal name



Funding Source

Organization

Minstry of Health, Welfare and Labor in Japan

Organization

Division

Category of Funding Organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)

Japan Neuorological Foundation


IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2006 Year 05 Month 17 Day


Related information

URL releasing protocol

http://ucas-j.umin.ac.jp/home.htm

Publication of results

Published


Result

URL related to results and publications

http://www.nejm.org/doi/full/10.1056/NEJMoa1113260

Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2000 Year 10 Month 01 Day

Date of IRB


Anticipated trial start date

2001 Year 01 Month 01 Day

Last follow-up date

2010 Year 04 Month 01 Day

Date of closure to data entry

2011 Year 01 Month 01 Day

Date trial data considered complete

2011 Year 02 Month 01 Day

Date analysis concluded

2011 Year 08 Month 01 Day


Other

Other related information

Patients with newly detected unruptured intracranial aneurysms during Januray 2001 till Aprial 2004 were registered. Either simply observed or treated patients were involved. Management strategy was determined by the patient's choice. Periodic follow-up at 3, 12 and 36months after intital entry were recorded. LAst patient follow-up should finish in April 2007.


Management information

Registered date

2006 Year 05 Month 12 Day

Last modified on

2012 Year 11 Month 12 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000000510


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name