A prospective randomized trial of acceptability, safety and feasibility comparing transnasal and peroral ultrathin endoscopy using GAGLESS mouthpieces

A prospective randomized trial of acceptability, safety and feasibility comparing transnasal and peroral ultrathin endoscopy using GAGLESS mouthpieces - A prospective randomized trial of acceptability, safety and feasibility comparing transnasal and peroral ultrathin endoscopy using GAGLESS mouthpieces

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000036922

Enrollment

100

Registered

2019-06-02

Start date

2019-06-03

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

gastrointestinal disease

Interventions

Oral endoscopy using commercially available GAGLESS mouthpieces Transnasal endoscopy

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1) Men who are 20 years of age or older at the time of obtaining consent 2) Patients who undergo upper gastrointestinal endoscopy for the first time

Exclusion criteria

Exclusion criteria: 1) Those who can not obtain the consent of this research 2) In addition, those who were judged as inappropriate for study by the research investigator

Design outcomes

Primary

Measure	Time frame
Pain severity of upper gastrointestinal endoscopy measured by Visual Analogue Scale	—

Countries

Japan

Contacts

Public ContactKazuya Matsumoto

Medical corporation Irisawa Medical Clinic Internal Medicine

matsumotokazuya@med.tottori-u.ac.jp0852-38-8211

Outcome results

None listed

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