UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048252
Receipt number R000054995
Scientific Title Association of gastrointestinal bleeding from vascular lesions with platelet aggregation activity and a loss of high-molecular-weight multimers of von Willebrand factor
Date of disclosure of the study information 2022/07/03
Last modified on 2022/07/03 18:28:37

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Association of gastrointestinal bleeding from vascular lesions with platelet aggregation activity and a loss of high-molecular-weight multimers of von Willebrand factor

Acronym

VAPA study

Scientific Title

Association of gastrointestinal bleeding from vascular lesions with platelet aggregation activity and a loss of high-molecular-weight multimers of von Willebrand factor

Scientific Title:Acronym

VAPA study

Region

Japan


Condition

Condition

Gastrointestinal hemorrhagic vascular disease and small bowel bleeding

Classification by specialty

Gastroenterology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To determine the relationship between gastrointestinal hemorrhagic vascular disease and platelet aggregation/von Willebrand multimer abnormalities

Basic objectives2

Others

Basic objectives -Others

To determine the relationship between gastrointestinal hemorrhagic vascular disease and atherosclerosis

Trial characteristics_1

Confirmatory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Platelet aggregation and von Willebrand multimer in patients with gaastrointestinal hemorrhagic vascular diseases

Key secondary outcomes

Atherosclerosis in patients with gaastrointestinal hemorrhagic vascular diseases


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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Ppatients who undergo enteroscopy due to suspected small bowel diseases
2) Patients with gastrointestinal vascular disease who undergo endoscopy

Key exclusion criteria

Patients who do not provide informed consent

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Naoki
Middle name
Last name Ohmiya

Organization

Fujita Health University

Division name

Department of Advanced Endoscopy

Zip code

4668550

Address

1-98 Dengakugakubo Kutsukake-cho, Toyoake, Aichi

TEL

0562939240

Email

nohmiya@fujita-hu.ac.jp


Public contact

Name of contact person

1st name Naoki
Middle name
Last name Ohmiya

Organization

Fujita Health University

Division name

Department of Advanced Endoscopy

Zip code

470-1192

Address

1-98 Dengakugakubo Kutsukake-cho, Toyoake, Aichi

TEL

0562939240

Homepage URL


Email

nohmiya@fujita-hu.ac.jp


Sponsor or person

Institute

Fujita Health University School of Medicine, Department of Advanced Endoscopy

Institute

Department

Personal name



Funding Source

Organization

Tohoku University, Department of Molecular and Cellular Biology, Institute of Development, Aging, and Cancer

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Fujita Health University

Address

1-98 Dengakugakubo, Kutsukake-cho

Tel

0562932860

Email

research@fujita-hu.ac.jp


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

藤田医科大学病院(愛知県)


Other administrative information

Date of disclosure of the study information

2022 Year 07 Month 03 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

200

Results

Open public recruiting

Results date posted

2022 Year 07 Month 03 Day

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

Open public recruiting

Date of protocol fixation

2021 Year 01 Month 05 Day

Date of IRB

2021 Year 02 Month 05 Day

Anticipated trial start date

2022 Year 07 Month 03 Day

Last follow-up date

2025 Year 03 Month 31 Day

Date of closure to data entry

2025 Year 04 Month 15 Day

Date trial data considered complete

2025 Year 05 Month 31 Day

Date analysis concluded

2025 Year 08 Month 31 Day


Other

Other related information

Open public recruiting


Management information

Registered date

2022 Year 07 Month 03 Day

Last modified on

2022 Year 07 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054995


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name