UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000042831
Receipt number R000048503
Scientific Title Assessment of the Japanese diagnostic support tool to avoid diagnostic errors in inexperienced medical students.
Date of disclosure of the study information 2020/12/24
Last modified on 2022/11/13 12:54:55

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Basic information

Public title

Assessment of the Japanese diagnostic support tool to avoid diagnostic errors in inexperienced medical students.

Acronym

Assessment of the Japanese diagnostic support tool to avoid diagnostic errors in inexperienced medical students.

Scientific Title

Assessment of the Japanese diagnostic support tool to avoid diagnostic errors in inexperienced medical students.

Scientific Title:Acronym

Assessment of the Japanese diagnostic support tool to avoid diagnostic errors in inexperienced medical students.

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This research was designed to reveal the effectiveness of the Japanese diagnostic support tool to avoid diagnostic errors due to an inability to recall differential diagnoses in inexperienced medical students.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Assessment of the percentage of correct answers and response time to the 20 case questions.
The case questions consist of 10 common and 10 emergency disease questions.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is considered as a block.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

4

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Other

Interventions/Control_1

Students answer the case questions without any tools.

Interventions/Control_2

Students answer the case questions with a Japanese diagnostic support tool.

Interventions/Control_3

Students answer the case questions by searching Google.

Interventions/Control_4

Residents answer the case questions without any tools.

Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

21 years-old <=

Age-upper limit

40 years-old >

Gender

Male and Female

Key inclusion criteria

The study population consisted of 64 medical students participating in a general medicine clerkship rotation from March to September 2020 and 12 residents participating in rotation from March to December 2020.

Key exclusion criteria

NA

Target sample size

70


Research contact person

Name of lead principal investigator

1st name Masatomi
Middle name
Last name Ikusaka

Organization

Chiba University Hospital

Division name

General Medicine

Zip code

260-8677

Address

1-8-1, Inohana, Chu-ou-ku

TEL

043-222-7171

Email

ikusaka@ga2.so-net.ne.jp


Public contact

Name of contact person

1st name Yasutaka
Middle name
Last name Yanagita

Organization

Chiba University Hospital

Division name

General Medicine

Zip code

260-8677

Address

1-8-1, Inohana, Chu-ou-ku

TEL

043-222-7171

Homepage URL


Email

ahna5650@chiba-u.jp


Sponsor or person

Institute

Chiba University

Institute

Department

Personal name



Funding Source

Organization

NA

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

Chiba University

Address

1-8-1, Inohana, Chu-ou-ku

Tel

043-222-7171

Email

igaku-rinri@office.chiba-u.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

2020 Year 12 Month 24 Day


Related information

URL releasing protocol

NA

Publication of results

Unpublished


Result

URL related to results and publications

NA

Number of participants that the trial has enrolled

64

Results

The means of scores of the three medical student groups showed a significant difference. Post-hoc comparisons showed that the mean scores of the CDSS and Google groups were significantly higher than those of the control group. The difference between the CDSS group and Google group was not statistically significant.

Results date posted

2022 Year 11 Month 13 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

We received consent from all 64 medical students and 13 of 14 residents.
The medical students passed a CBT test before their clerkship started.

Participant flow

Explained individually

Adverse events

NA

Outcome measures

Percentage of correct answers and response time for case questions.

Plan to share IPD

NA

IPD sharing Plan description

NA


Progress

Recruitment status

Completed

Date of protocol fixation

2019 Year 06 Month 12 Day

Date of IRB

2019 Year 06 Month 12 Day

Anticipated trial start date

2020 Year 05 Month 01 Day

Last follow-up date

2020 Year 12 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2020 Year 12 Month 24 Day

Last modified on

2022 Year 11 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048503


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name