Improving intubation success with topical anesthesia

Topical Oral Anesthesia Adjuncts in Conventional Intubation: A Randomized Controlled Trial Evaluating the Impact of Topical Oral Anesthesia on First-pass Success Rate

Not applicable Interventional Queen Savang Vadhana Memorial Hospital, Thailand · NCT06661967

This study is testing if using a lidocaine spray before intubation can help doctors successfully place a breathing tube on the first try for patients in Thailand.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment110 (estimated)
Ages18 Years and up
SexAll
SponsorQueen Savang Vadhana Memorial Hospital, Thailand Academic / other
Locations1 site (Chon Buri, Changwat Chon Buri)
Trial IDNCT06661967 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of topical oral anesthesia in enhancing the first-pass success rate of intubation using video laryngoscopy. Conducted in Thailand, where conventional intubation is commonly performed without paralysis, the study builds on previous pilot findings that suggest topical anesthesia may improve outcomes. Participants will receive lidocaine spray prior to intubation to assess its impact on various intubation parameters.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old in the emergency department requiring conventional intubation.

Not a fit: Patients undergoing rapid sequence intubation, those in cardiac arrest, pregnant individuals, or those with a known allergy to lidocaine may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve intubation success rates in emergency settings, leading to better patient outcomes.

How similar studies have performed: Previous pilot studies have shown promising results with similar approaches, indicating potential for success in this study.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients in emergency department that have indication for conventional intubation
* Age \> 18 yr

Exclusion Criteria:

* Patient who undergo RSI
* Patient who falls in cardiac arrest airway algorithm
* Patient who is currently pregnancy
* Known allergy to lidocaine

Where this trial is running

Chon Buri, Changwat Chon Buri

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Unrecognized Condition
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.