UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000022911
Receipt number R000026397
Scientific Title Pioneering study on activated platelets in thrombus and embolus formation among stroke patients joint study between Yokohama and Morioka
Date of disclosure of the study information 2016/06/27
Last modified on 2016/07/04 16:02:26

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Basic information

Public title

Pioneering study on activated platelets in thrombus and embolus formation among stroke patients joint study between Yokohama and Morioka

Acronym

PATHFINDER

Scientific Title

Pioneering study on activated platelets in thrombus and embolus formation among stroke patients joint study between Yokohama and Morioka

Scientific Title:Acronym

PATHFINDER

Region

Japan


Condition

Condition

cerebral embolism due to non-valvular atrial fibrillation (NVAF)

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effect on platelet aggregation of Dabigatran (Prazaxa R) among patients with embolic stroke due to NVAF

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

activity of anti PAR-1 antibody and platelet aggregation before, 4 weeks, and 8 weeks after administration of Dabigatran (Prazaxa R)

Key secondary outcomes



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

85 years-old >=

Gender

Male and Female

Key inclusion criteria

1) age more than 50 years old
2) patients with NVAF who are not taking anti platelets and/or oral anti coagulants
3) Davigatran-naive patients with NVAF

Key exclusion criteria

1) current internal bleeding, history of increased bleeding risk, or planned procedure with risk of uncontrolled bleeding
2) patients with renal disfunction (CrCl <30mL/min)
3) patients with clinical risk of hemorrhage (including hemorrhagic stroke within 6 months)
4) patients with indwelling spinal or epidural catheterization or patients at least 1 hur after the procedure
5) patients taking itraconazole

Target sample size

100


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Yasuo Terayama

Organization

Iwate Medical University

Division name

Division of Neurology and Gerontology, Department of Internal Medicine

Zip code


Address

19-1 Uchimaru, Morioka , Iwate 020-8505 Japan

TEL

019-651-5111

Email

teray@iwate-med.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Yasuo Terayama

Organization

Iwate Medical University

Division name

Division of Neurology and Gerontology, Department of Internal Medicine

Zip code


Address

19-1 Uchimaru, Morioka, Iwate 020-8505 Japan

TEL

019-651-5111

Homepage URL


Email

teray@iwate-med.ac.jp


Sponsor or person

Institute

Iwate Medical University

Institute

Department

Personal name



Funding Source

Organization

Nippon Boehringer Ingelheim Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



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



Other administrative information

Date of disclosure of the study information

2016 Year 06 Month 27 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

Enrolling by invitation

Date of protocol fixation

2015 Year 05 Month 01 Day

Date of IRB


Anticipated trial start date

2016 Year 05 Month 15 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Measurement of platelets aggregation and anti PAR-1 antibody among normal subjects and patients with NVAF is on going.


Management information

Registered date

2016 Year 06 Month 27 Day

Last modified on

2016 Year 07 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000026397


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name