Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patient With or Without Local Pharyngeal Anaesthesia

Comparison of Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patients With or Without Local Pharyngeal Anaesthesia: A Randomized Controlled Trial

Status

Completed

Phases

Phase 3

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00164996

Enrollment

400

Registered

2005-09-14

Start date

2004-09-30

Completion date

Unknown

Last updated

2012-02-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dyspepsia

Keywords

upper endoscopy, local pharyngeal anaesthesia, ultrathin endoscope

Brief summary

The purpose of this study is to investigate whether an ultrathin endoscope will improve a patient's tolerance during the procedure. In addition, this study will look at whether local pharyngeal anaesthesia is necessary during ultrathin endoscopy.

Interventions

PROCEDURELocal pharyngeal anaesthesia

DEVICEUltrathin endoscope

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

DOUBLE

Eligibility

Sex/Gender

ALL

Age

18 Years to 70 Years

Healthy volunteers

Inclusion criteria

* Aged between 18-70

Exclusion criteria

* Previous experience of upper endoscopy * Allergy to local pharyngeal anaesthesia * Patient requesting sedation during endoscopy

Design outcomes

Primary

Measure	Time frame
patient's tolerance and anxiety in visual analog scale (VAS) score	—

Secondary

Measure	Time frame
patient's satisfaction; procedure time; complications	—

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026