UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000009109
Receipt number R000010682
Scientific Title GI endoscopy and anticoagulant therapy -a multicenter obsevational study-
Date of disclosure of the study information 2012/10/15
Last modified on 2018/08/31 09:50:30

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Basic information

Public title

GI endoscopy and anticoagulant therapy -a multicenter obsevational study-

Acronym

Osaka GI-anticoagulant (GIANT) study

Scientific Title

GI endoscopy and anticoagulant therapy -a multicenter obsevational study-

Scientific Title:Acronym

Osaka GI-anticoagulant (GIANT) study

Region

Japan


Condition

Condition

Patients who are treated with anticoagulant drugs requiring endoscopic biopsy or therapeutics

Classification by specialty

Medicine in general Gastroenterology Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the prevalence of GI bleeding after endoscopy or treatents in patients treated with anticoagulants.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Prevalence of GI bleeding within one month after the endoscopy or endoscopic treatment

Key secondary outcomes

1. Duration of hospitalization
2. Prevalence of cardiovascular and cerebro- and systemic vascular events after endoscopy or endoscopic treatment
3. Frequency of requiring re-endoscopy
4. Frequency of massive GI bleeding
5. Frequency of massive GI bleeding threatening life
6. Frequency of cerebrovascular bleeding


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


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Patients taking warfarin or other antigocoagulant drugs (e.g., dabigatran).
2) Patients older than 20 years old.
3) Patients requiring endoscopic biopsy or treatment
4) Patients who gave written informed concent.

Key exclusion criteria

1) Patients with unstable vital sign with high risk of endoscopy.
2) Patients with apparent GI bleeding before endoscopy.
3)Pregnant, breast-feeding women and possibility of pregnancy
4)Patients who will perform endoscopic biopsy and treatment during the same hospitalization period
5)Patients who were considered not suitable to be included in this study by the physician.

Target sample size

450


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Tetsuo Takehara

Organization

Osaka University Graduate School of Medicine

Division name

Department of Gastroenterology and Hepatology

Zip code


Address

2-2 Yamadaoka, Suita, Osaka 565-0871, Japan

TEL

06-6879-3621

Email

takehara@gh.med.osaka-u.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Hideki Iijima

Organization

Osaka University Graduate School of Medicine

Division name

Department of Gastroenterology and Hepatology

Zip code


Address

2-2 Yamadaoka, Suita, Osaka 565-0871, Japan

TEL

06-6879-3621

Homepage URL


Email

hiijima@gh.med.osaka-u.ac.jp


Sponsor or person

Institute

Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine

Organization

Division

Category of Funding Organization

Self funding

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

2012 Year 10 Month 15 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results

DOAC administration showed similar post-procedural GI bleeding risk to VKA administration in patients undergoing endoscopic procedures, but it shortened the hospital stay.

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

2012 Year 09 Month 14 Day

Date of IRB


Anticipated trial start date

2012 Year 09 Month 27 Day

Last follow-up date

2015 Year 12 Month 31 Day

Date of closure to data entry

2016 Year 06 Month 19 Day

Date trial data considered complete

2016 Year 06 Month 19 Day

Date analysis concluded

2018 Year 03 Month 01 Day


Other

Other related information

Patients taking anticoagulants and requiring endoscopic biopsy or treatment will be prospectively registered and will be assessed for the risk of GI bleeding and cerebrovascular events.


Management information

Registered date

2012 Year 10 Month 13 Day

Last modified on

2018 Year 08 Month 31 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000010682


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name