Lidocaine spray alone versus lidocaine viscous solution combination in pharyngeal anesthesia of transoral endoscopy, randomized prospective study

Lidocaine spray alone versus lidocaine viscous solution combination in pharyngeal anesthesia of transoral endoscopy, randomized prospective study - Lidocaine spray alone versus viscous solution combination in pharyngeal anesthesia of transoral endoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016073

Enrollment

320

Registered

2014-12-27

Start date

2015-01-13

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

Nothing

Interventions

Group to perform the pharyngeal anesthesia with lidocaine spray alone Group to perform the pharyngeal anesthesia with lidocaine viscous and spray.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. More than 20 years of age. 2. Have been obtained the consent of the study participants in the document.

Exclusion criteria

Exclusion criteria: After pharynx or larynx resection. After endoscopic treatment of the pharynx. Biopsy or magnified observation is required in the pharynx. Difficult to participate the test because of the psychosis or psychotic symptoms. Determined to be inappropriate to carry out the study.

Design outcomes

Primary

Measure	Time frame
The observation ability of the pharynx in both group	—

Countries

Japan

Contacts

Public ContactTomoyuki Hayashi

Kanazawa University Hospital Department of Gastroenterology

hayasix0917@gmail.com076-265-2235

Outcome results

None listed

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