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A multi-centered study of feasibility in endoscopic closure using novel simple flexible device for mucosal defect after gastric endoscopic submucosal dissection

A multi-centered study of feasibility in endoscopic closure using novel simple flexible device for mucosal defect after gastric endoscopic submucosal dissection - FLEX study

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1072220065
Enrollment
35
Registered
2022-11-02
Start date
2022-11-02
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

Gastric Neoplasms

Interventions

After gastric ESD, the mucosal defect is closed by using by FLEXLOOP and several clips. At post-operative day 5-7 and 4-5 weeks, endoscopic examination is performed to confirm the status of mucosal c

Sponsors

Takizawa Kohei
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: (1)clinically diagnosed early gastric cancer/gastric adenoma, 3cm or less (2)20 years-old or more (3)performance status 0-2 according to the ECOG criteria (4)informed consent obtained

Exclusion criteria

Exclusion criteria: (1)With prior surgery for stomach (2)With psychiatric disorders or psychiatric symptoms (3)With pregnant or lactation woman. (4)With a scheduled surgery for active cancer (including gastric cancer) concurrently. (5)With active bacterial or fungal infections (6)History of myocardial infarction or unstable angina pectoris within 6 months (7)With bleeding or DIC tendency (8)With uncontrollable hypertension (9)With uncontrollable diabetes mellitus (10)With respiratory disease requiring continuous oxygen administration (11)Cases in which doctors in charge regarded as unsuitable to inclusion for the current study

Design outcomes

Primary

MeasureTime frame
The primary endpoint is the rate of complete closure using by FLEXLOOP and several clips

Secondary

MeasureTime frame
Number of FLEXLOOP, Number of clips, The time of closure, The time of procedure time, percentage of en bloc resection, percentage of complete en bloc resection Adverse events (intraoperative perforation, perforation during closure using by FLEXLOOP and clips , massive bleeding during closure using by FLEXLOOP and clips, delayed perforation, delayed bleeding)

Contacts

Public ContactKohei Takizawa

Department of Gastroenterology and Endoscopy, Koyukai Shin-sapporo hospital

koh.takizawa@gmail.com+81-11-801-1212

Outcome results

None listed

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