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

This study has been completed.
Information provided by:
Chinese University of Hong Kong
ClinicalTrials.gov Identifier:
First received: September 10, 2005
Last updated: February 16, 2012
Last verified: September 2005
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.

Condition Intervention Phase
Procedure: Local pharyngeal anaesthesia
Device: Ultrathin endoscope
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: Comparison of Ultrathin Versus Conventional Esophagogastroduodenoscopy in Unsedated Patients With or Without Local Pharyngeal Anaesthesia: A Randomized Controlled Trial

Resource links provided by NLM:

Further study details as provided by Chinese University of Hong Kong:

Primary Outcome Measures:
  • patient's tolerance and anxiety in visual analog scale (VAS) score

Secondary Outcome Measures:
  • patient's satisfaction; procedure time; complications

Estimated Enrollment: 400
Study Start Date: September 2004
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 70 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Aged between 18-70

Exclusion Criteria:

  • Previous experience of upper endoscopy
  • Allergy to local pharyngeal anaesthesia
  • Patient requesting sedation during endoscopy
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00164996

The Chinese University of Hong Kong
Hong Kong, China
Sponsors and Collaborators
Chinese University of Hong Kong
Principal Investigator: Wilfred Lik-Man Mui, MD Chinese University of Hong Kong
  More Information

ClinicalTrials.gov Identifier: NCT00164996     History of Changes
Other Study ID Numbers: CRE 2004.312 
Study First Received: September 10, 2005
Last Updated: February 16, 2012
Health Authority: Hong Kong: Department of Health

Keywords provided by Chinese University of Hong Kong:
upper endoscopy
local pharyngeal anaesthesia
ultrathin endoscope

Additional relevant MeSH terms:
Central Nervous System Agents
Central Nervous System Depressants
Pharmacologic Actions
Physiological Effects of Drugs
Therapeutic Uses

ClinicalTrials.gov processed this record on May 03, 2016