UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000049479
Receipt number R000056330
Scientific Title Mammography Screening for Japanese Women using Artificial Intelligence: A Randomized Crossover trial
Date of disclosure of the study information 2022/11/11
Last modified on 2022/11/11 18:58:12

* 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

Mammography Screening for Japanese Women using Artificial Intelligence: A Randomized Crossover trial

Acronym

MAJIC trial

Scientific Title

Mammography Screening for Japanese Women using Artificial Intelligence: A Randomized Crossover trial

Scientific Title:Acronym

MAJIC trial

Region

Japan


Condition

Condition

Breast cancer

Classification by specialty

Breast surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

This study aims to evaluate whether an artificial intelligence (AI) system developed for breast cancer diagnosis in mammography could improve readers' accuracy of diagnosis.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The primary endpoint is an area under the receiver operating characteristic (ROC) curve (AUROC) of a likelihood of malignancy (LOM) score.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Diagnosis

Type of intervention

Device,equipment

Interventions/Control_1

Read by readers with the use of artificial intelligence to support mammography reading.

Interventions/Control_2

Read by readers alone

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

Female

Key inclusion criteria

Digital mammograms fulfilling all the following criteria will be collected.
1. Images taken after 2010
2. Images meeting either one of the following criteria:
> Breast cancer or benign lesions are visible on the image
> Normal imaging
3. Cancer or benign lesions can be pointed out on the image
4. Images from patients aged 20 or older
5. Available mediolateral oblique view with or without a cranial-caudal view
6. No visible axillary lymph node metastasis from breast cancer
7. Images from patients with no previous history of chemotherapy, endocrine therapy, or radiotherapy
8. Images from patients who have not received any previous surgical breast procedure, including partial resection, breast reconstruction, incisional biopsy, vacuum-assisted biopsy, and mammoplasty
9. Read by mammography readers equivalent to rank A or AS according to the Japan Central Organization on Quality Assurance of Breast Cancer Screening
10. Benign lesions, breast cancer, and normal breast imaging are confirmed by the following methods:
(Benign lesions)
Meeting either one of the following criteria,
>Confirmed by histopathology
>If followed up, no change on the image is identified over at least two years
>Findings clearly indicating a simple cyst by mammography and other imaging modalities

(Breast cancer)
>Confirmed by histopathology

(Normal breast)
Meeting either one of the following criteria
>In addition to the mammography findings, other imaging modalities such as ultrasonography and MRI do not detect any lesions.
>If no other imaging studies are carried out, no new abnormalities develop over at least two years of follow-up.

11. Images taken at rank A or B institutions in the facility evaluation according to the Japan Central Organization on Quality Assurance of Breast Cancer Screening
12. Images from patients with written informed consent obtained

Key exclusion criteria

Digital mammograms fulfilling any of the following criteria will not be collected.
1. Tomosynthesis and synthetic 2D mammographic images
2. Images with spot compression views
3. Poor image quality
4. Inappropriate images, as judged by the local investigators

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Koichi
Middle name
Last name Hirokaga

Organization

Hyogo Cancer Center

Division name

Department of Breast Surgery

Zip code

673-8558

Address

13-70, Kitaoji-cho, Akashi-shi, Hyogo, 673-8558, Japan

TEL

078-929-1151

Email

hirokaga@hp.pref.hyogo.jp


Public contact

Name of contact person

1st name Office
Middle name
Last name Comprehensive Support Project Oncological Research of Breast Cancer

Organization

Comprehensive Support Project Oncological Research of Breast Cancer

Division name

Office

Zip code

277-0871

Address

Satellite no.502 in front of Kashiwanoha Campus, The University of Tokyo, 178-4-4 Wakashiba, Kashiwa

TEL

04-7135-5609

Homepage URL


Email

office-bc@cspor-bc.or.jp


Sponsor or person

Institute

Comprehensive Support Project Oncological Research of Breast Cancer

Institute

Department

Personal name



Funding Source

Organization

Comprehensive Support Project Oncological Research of Breast Cancer

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

Hyogo Cancer Center IRB

Address

13-70, Kitaoji-cho, Akashi-shi, Hyogo, 673-8558, Japan

Tel

078-929-1151

Email

rinsyoshikenkanri6@hyogo-cc.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



Other administrative information

Date of disclosure of the study information

2022 Year 11 Month 11 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

Open public recruiting

Date of protocol fixation

2022 Year 06 Month 09 Day

Date of IRB

2022 Year 06 Month 24 Day

Anticipated trial start date

2022 Year 06 Month 25 Day

Last follow-up date

2023 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 11 Month 11 Day

Last modified on

2022 Year 11 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000056330


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name