Pharyngeal anesthesia for endoscopic ultrasonography

Evaluation of pharyngeal lidocaine anesthesia for endoscopic ultrasonography: Double-blind randomized control trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1061230018

Enrollment

230

Registered

2023-05-22

Start date

2023-05-22

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

Disease of abdominal and thoracic cavity

Interventions

Patients will be randomly assigned to receive five squirts of lidocaine spray or placebo before sedation.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing EUS

Exclusion criteria

Exclusion criteria: Age<18years. Patient performed ERCP, EUS-FNA and esophagogastroduodenoscopy in same day. ASA-PS 4-5. Allergy for lidocaine, midazoram and pethidine Pregnant woman Past surgery or radiotherapy for Intraoral to laryngopharynx

Design outcomes

Primary

Measure	Time frame
patient- and endoscopist-reported tolerance and satisfaction with EUS.	—

Secondary

Measure	Time frame
Amount of midazoram and pethidine. The uumber of gag reflex during intubation The number of gag reflex during procedure The number of attempts at intubation of the upper esophagus sphincter Adverse events	—

Contacts

Public ContactYuki Fujii

Okayama university

pmug1j9r@s.okayama-u.ac.jp+81-86-235-7219

Outcome results

None listed

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