UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000016068
Receipt number R000018662
Scientific Title A prospective exploratory study on the safety of polypectomy/EMR of colon without cessation of warfarin
Date of disclosure of the study information 2014/12/26
Last modified on 2017/01/19 23:02:27

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Basic information

Public title

A prospective exploratory study on the safety of polypectomy/EMR of colon without cessation of warfarin

Acronym

A prospective exploratory study on the safety of polypectomy/EMR of colon without cessation of warfarin

Scientific Title

A prospective exploratory study on the safety of polypectomy/EMR of colon without cessation of warfarin

Scientific Title:Acronym

A prospective exploratory study on the safety of polypectomy/EMR of colon without cessation of warfarin

Region

Japan


Condition

Condition

colon polyps of patients who have non valvular atrial fibrillation and use warfarin for the prevention of thrombosis

Classification by specialty

Gastroenterology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To examine the safety of polypectomy/EMR(Endoscopic Mucosal Resection) of colon without cessation of warfarin.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase II


Assessment

Primary outcomes

The bleeding rate after polypectomy/EMR from immediately to the 28th day after polypectomy/EMR.

Key secondary outcomes

1.Early bleeding rate after polypectomy/EMR (from immediately after polypectomy/EMR to before the day2 meal starts)
2. Delayed bleeding rate after polypectomy/EMR (after the day2 meal has started)
3.Bleeding rate after polypectomy/EMR by the the tumor site and the major axis of tumor
4.The rate and number of blood transfusion for the bleeding during the polypectomy/EMR
5.The rate and number of blood transfusion for the bleeding after the polypectomy/EMR
6.PT-INR at the time of bleeding after polypectomy/EMR
7.Complications and the bleeding rate after polypectomy/EMR
8.Length of hospitalization


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Historical

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

In patients who have non valvular atrial fibrillation and use warfarin for prevention of thrombosis, colorectal polypectomy/EMR wil be performed without cessation of warfarin.
Protocol treatment period in this study is from the day of polypectomy/EMR(day0) to the 28th day after polypectomy/EMR(day28). Observation period is from the registration to the protocol to the end of protocol treatment period.

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

Patients with non valvular atrial fibrillation, and use warfarin for prevention of thrombosis. Patients' PS (Performance Status) is 0-2 of ECOG(Eastern Cooperative Oncology Group), and over 20 years old age. The target is colorectal polyp that is indicated in polypectomy or EMR in Japanese colon polyp practice guidelines 2014.
(1)In blood collection within 3days before the treatment, PT-INR has to be confirmed following values.
Less than 70 years of age:PT-INR is less than 3
70 years of age or older: PT-INR is less than 2.6
(2)CCr is confirmed greater than or equal to 50mL/min(Cockcroft-Gault Equation) at the day before treatment.
(3)After the patient himself has received a sufficient explanation on participation in this study, informed consent has been obtained by the free will of the patient him or herself.
(4)It is possible to follow the course of more than 28 days after treatment.
(5)All the following test data using the latest test values within 30 days prior to registration is met.
a)Hb is 9g/dl or more
b)Plt is 100000/mm3 or more
c)AST, ALT is less than 100IU/L
d)APTT is less than 40sec

Key exclusion criteria

(1)CCr is less continuously 50mL/min (Cockcroft-Gault Equation)
(2)Woman who has a possibility of pregnancy or is during pregnancy
(3)Woman who nurses her baby
(4)Patients who undergo hemodialysis
(5)To assess the general condition and complications of patients, if the attending physician has determined that it is difficult to entry.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Satoshi Ono

Organization

The University of Tokyo Hospital

Division name

Department of Gastroenterology, Graduate School of Medicine

Zip code


Address

7-3-1, Hongo, Bunkyo-ku, Tokyo

TEL

03-3815-5411

Email

satoshi-tky@umin.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Itaru Saito

Organization

The University of Tokyo Hospital

Division name

Department of Gastroenterology, Graduate School of Medicine

Zip code


Address

7-3-1, Hongo, Bunkyo-ku, Tokyo

TEL

03-3815-5411

Homepage URL


Email

isaitou-nms@umin.ac.jp


Sponsor or person

Institute

The University of Tokyo Hospital Department of Gastroenterology, Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

This study will be performed with medical care insurance. The clinical research insurance will be covered by donation (donation number 104-41).

Organization

Division

Category of Funding Organization

Other

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

石川県立中央病院(石川県)、茨城県立中央病院(茨城県)、大阪府立急性期・総合医療センター(大阪府)、静岡県立静岡がんセンター(静岡県)、千葉西総合病院(千葉県)、筑波学園病院(茨城県)、新潟県立中央病院(新潟県)、日立総合病院(茨城県)


Other administrative information

Date of disclosure of the study information

2014 Year 12 Month 26 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

Completed

Date of protocol fixation

2014 Year 10 Month 16 Day

Date of IRB


Anticipated trial start date

2014 Year 12 Month 26 Day

Last follow-up date

2016 Year 11 Month 30 Day

Date of closure to data entry

2016 Year 11 Month 30 Day

Date trial data considered complete

2016 Year 12 Month 01 Day

Date analysis concluded

2017 Year 03 Month 01 Day


Other

Other related information



Management information

Registered date

2014 Year 12 Month 26 Day

Last modified on

2017 Year 01 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000018662