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Preoperative Viscous Lidocaine for Upper Gastrointestinal Endoscopy

Preoperative Viscous Lidocaine for Upper Gastrointestinal Endoscopy - a Blinded, Randomized, Placebo-controlled Clinical Trial

Status
Terminated
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04725695
Acronym
LIDOGAS
Enrollment
119
Registered
2021-01-27
Start date
2022-03-29
Completion date
2024-10-30
Last updated
2025-02-06

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

Conditions

Anesthetics, Local, Esophagogastroduodenoscopy

Brief summary

In this randomized placebo-controlled clinical trial, patients will be randomized to be administered viscous lidocaine or placebo preoperatively to elective upper GI endoscopy

Interventions

DRUGViscous Lidocaine

The patients will be randomized to either viscous lidocaine or placebo

Sponsors

Bispebjerg Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Patients referred to and found fit for upper GI endoscopy in an out patient setting * Between 18 and 75 years old * Speaks and understands Danish

Exclusion criteria

* Patients admitted for upper GI endoscopy in an in-patient setting * Patients with dementia and/or other cognitive dysfunction disorders * Patients primarily complaining of dysphagia * Patients allergic to lidocaine * Patients with suspected retention * Patients who will undergo upper GI endoscopy with nurse-assisted propofol sedation * Patients who will undergo upper GI endoscopy with assistance of anesthesia-personnel

Design outcomes

Primary

MeasureTime frameDescription
Ease of intubationImmediately after the procedureThe endoscopist will rate the difficulty of intubating the esophagus on a numeric rating scale (NRS) from 0 (worst) to 10 (best)

Secondary

MeasureTime frameDescription
Number of intubation attemptsPeroperatively counted by the assisting nurseTotal number of intubation attempts until the esophagus is reached
Number of gag reflexesPeroperatively counted by the assisting nurseTotal number of gag reflexes during the examination
Patient's perception of discomfortImmediately after the procedureThe patient's self-evaluation of discomfort during the examination on a numeric rating scale (NRS) from 0 (worst) to 10 (best)
Ease of examinationImmediately after the procedureThe endoscopist will rate the difficulty of performing the endoscopy on a numeric rating scale (NRS) from 0 (worst) to 10 (best)
Sedation 1PeroperativelyNumber of milligrams midazolam administered during the procedure
Sedation 2PeroperativelyNumber of milligrams alfentanil administered during the procedure
Perception of gag reflexesImmediately after the procedureThe endoscopist's rating of the patient's degree of gag reflexes, numeric rating scale (NRS) from 0 (worst) to 10 (best)
Patient's willingness to be reexaminedImmediately after the procedureThe patient's willingness to have the procedure performed again in the future on a numeric rating scale (NRS) from 0 (worst) to 10 (best)

Countries

Denmark

Outcome results

None listed

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