UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000026912
Receipt number R000030869
Scientific Title The observational study on efficacy of oral anticoagulants for cognitive dysfunctions of the patients after cerebral infarction in super-aged society
Date of disclosure of the study information 2017/07/01
Last modified on 2017/04/09 00:17:37

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Basic information

Public title

The observational study on efficacy of oral anticoagulants for cognitive dysfunctions of the patients after cerebral infarction in super-aged society

Acronym

The study on NOAC for prevention of dementia after stroke

Scientific Title

The observational study on efficacy of oral anticoagulants for cognitive dysfunctions of the patients after cerebral infarction in super-aged society

Scientific Title:Acronym

The study on NOAC for prevention of dementia after stroke

Region

Japan


Condition

Condition

non-valvular atrial fibrillation (NVAF)

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

to investigate the efficacy of NOAC (non-vitamin K antagonist oral anticoagulant) for reduction of a risk at cognitive dysfunction after cerebral infarction of the patients with NVAF.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

the change of MMSE (mini-mental state examination) score between baseline and after 2 years of the registration

Key secondary outcomes

1) occurrences of death from any cause, dementia, stroke, and cardiovascular events
2) the change of CDR score
3) the change of MoCA score
4) occurrences of hemorrhagic events
5) occurrences of ischemic events


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

50 years-old <=

Age-upper limit

100 years-old >

Gender

Male and Female

Key inclusion criteria

1) non-valvular atrial fibrillation
2) the use of oral anticoagulants (warfarin and NOACs)
3) CDR 0-0.5 and MMSE 24-30
4) informed consent is obtained
5) the age over 49 and under 100 year-old
6) the patients after cerebral infarction (over 6 months after the onset)

Key exclusion criteria

1) valvular atrial fibrillation
2) CDR>0.5 or MMSE<24
3) the patients after cerebral infarction (under 6 months after the onset)
4) Parkinson disease, Huntington disease, normal pressure hydrocephalus, brain tumor, progressive supranuclear palsy, corticobasal degeneration, multiple system atrophy, epilepsy, subdural hematoma, encephalitis/meningitis, multiple sclerosis, or cognitive decline by head trauma
5) depression, schizophrenia, alcoholism, drug dependence, or other critical disease
6) deficiency of vitamin B1, B12, or folic acid, syphilis, or hypothyroidism
7) difficult to perform the neuropsychological examination
8) other inappropriate state assessed by the researchers

Target sample size

160


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Koji Abe

Organization

Okayama University Hospital

Division name

Department of Neurology

Zip code


Address

2-5-1, Shikata-cho, Kita-ku, Okayama, Japan

TEL

086-235-7365

Email

yumikonakano@okayama-u.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Yumiko Nakano

Organization

Okayama University Hospital

Division name

Department of Neurology

Zip code


Address

2-5-1, Shikata-cho, Kita-ku, Okayama, Japan

TEL

086-235-7365

Homepage URL


Email

yumikonakano@okayama-u.ac.jp


Sponsor or person

Institute

Okayama University Hospital, Department of Neurology

Institute

Department

Personal name



Funding Source

Organization

Japan Society for the Promotion of Science

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



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

岡山大学病院(岡山県)


Other administrative information

Date of disclosure of the study information

2017 Year 07 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


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

Preinitiation

Date of protocol fixation

2017 Year 04 Month 08 Day

Date of IRB


Anticipated trial start date

2017 Year 08 Month 01 Day

Last follow-up date

2021 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

We will include the patients with non-valvular atrial fibrillation (NVAF) who are over 49 and under 100 year-old after 6 months of cerebral infarction and use the oral anticoagulants. We will compare the MMSE after 2 years of registration to baseline, and validate the reduction for a risk at cognitive dysfunction in these patients.


Management information

Registered date

2017 Year 04 Month 09 Day

Last modified on

2017 Year 04 Month 09 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000030869


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name