The effectiveness and safety of endoscopic submucosal dissection using an overtube with check valve for early gastric cancer: multicenter study

The effectiveness and safety of endoscopic submucosal dissection using an overtube with check valve for early gastric cancer: multicenter study - The effectiveness and safety of endoscopic submucosal dissection using an overtube with check valve for early gastric cancer: multicenter study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011783

Enrollment

Registered

2013-09-18

Start date

2013-09-18

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

from January 30 2013 to March 31 2015

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The cases with hiatus hernia (Makuuchi Classification A or B) among the cases of indication of ESD for early gastric neoplasia.

Exclusion criteria

Exclusion criteria: 1, Patients with perforamance status of 4 2, Patients with prior gastrectomy 3, Patients with severe comorbidity. 4, Those patients who are not able to understand written information. 5, Unsuitable patients for the entry judged by investigator.

Design outcomes

Primary

Measure	Time frame
En bloc resection rate	—

Secondary

Measure	Time frame
Curative resection rate Procedure time: time from injection into submucosa to completion of dissection Difficulty of procedure: measured by VAS The rate of adverse events and complications	—

Countries

Japan

Contacts

Public ContactKoichiro Sato

Toho University Ohashi Medical Center Division of Gastroenterology, Department of Internal Medicine

kou08@oha.toho-u.ac.jp03-3468-1251

Outcome results

None listed

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