Assessment of resected specimen size after endoscopic submucosal dissection (ESD) among endoscopists when putting it on specimen board

Assessment of resected specimen size after endoscopic submucosal dissection (ESD) among endoscopists when putting it on specimen board - Measurement error of tumor size among endoscopists

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012915

Enrollment

Registered

2014-01-21

Start date

2014-01-21

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

5 endoscopists among 7 endoscopists except for 2 endoscopists who performed ESD were randomized and selected 3 endoscopists using sealed envelope method. Endoscopist1 put the resected specimen one by

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who were diagnosed with eraly gastric cancer as expanding criteria of ESD definited by Japanese Gastric Cancer Association(JGCA).

Exclusion criteria

Exclusion criteria: Patients who were diagnosed with eraly gastric cancer of exclusion criteria of ESD definited by Japanese Gastric Cancer Association(JGCA).

Design outcomes

Primary

Measure	Time frame
The differences of maximum resected tumor size and its vertical tumor size among three endoscopists.	—

Countries

Japan

Contacts

Public ContactKazunori Yamashita

Ehime Rousai Hospital Medical Affairs Division

ijikachou@ehimerosai.jp0897-33-6191

Outcome results

None listed

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