Learning effect for diagnosing depth of invasion using "non-extension sign" in early gastric cancer

Learning effect for diagnosing depth of invasion using "non-extension sign" in early gastric cancer - Investigation for efficacy of "non-extension sign"

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000024177

Enrollment

Registered

2016-09-26

Start date

2015-12-16

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Early gastric cancer

Interventions

Lecture about diagnosing depth of invasion using non-extension sign in early gastric cancer

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The doctor who completed the exam

Exclusion criteria

Exclusion criteria: (1)Head of department (2)Not participating in the training session

Design outcomes

Primary

Measure	Time frame
Comparison of accuracy rate between pre-test and post-test in doctor under 80%	—

Secondary

Measure	Time frame
(1)Comparison of accuracy rate between pre-test and post-test by proficiency in doctor over 80% (2)other,evaluate all the various result	—

Countries

Japan

Contacts

Public ContactTeruyuki Takeda

Tobata Kyoritsu Hospital Department of Gastroenterology

take5times@hotmail.co.jp093-871-5421

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026

Learning effect for diagnosing depth of invasion using &quot;non-extension sign&quot; in early gastric cancer