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Lidocaine spray may reduce muscle relaxant needed for tube insertion

NCT ID NCT07185074

Symptom relief Sponsor: Jiangang Song Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether using a lidocaine spray along with a low dose of a muscle relaxant (cisatracurium) can make placing a breathing tube easier and safer during ERCP, a procedure for bile duct problems. 186 adults with liver issues were randomly assigned to receive either the low-dose combo or the standard muscle relaxant dose. The goal was to see if the combo could achieve good intubation conditions while using less medication, potentially speeding recovery and reducing side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

186 people

The number who actually took part.

Started

Jan 2025

Finished

May 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Scheduled ERCP under general anesthesia requiring endotracheal intubation. * Hepatic dysfunction: Child-Pugh class B or C. * Age 18-70 years. * ASA physical status I-III. Exclusion Criteria: * Severe cardiovascular, cerebrovascular, or respiratory disease judged by investigators to increase risk. * Predicted difficult airway (e.g., Mallampati IV, mouth opening \<3 cm, limited neck extension). * Suspected gastrointestinal obstruction on preoperative assessment. * Cervical spine disease with limited neck mobility. * Child-Pugh class C with hepatic encephalopathy. * Neuromuscular disease. * Recurrent laryngeal nerve injury or vocal cord dysfunction. * Pregnancy or breastfeeding. * Known allergy/hypersensitivity to any study anesthetic (e.g., cisatracurium, lidocaine, propofol, remifentanil, or sufentanil). * Refusal to participate in the clinical trial.

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Conditions

The condition(s) this trial relates to.

liver disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Intubation, intratracheal

Contacts and locations

Locations

  • Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine

    Shanghai, Shanghai Municipality, 201203, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.