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Anesthesia drug study halted after just 3 patients

NCT ID NCT03962725

Knowledge-focused Sponsor: Beth Israel Deaconess Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 aimed to see if skipping a type of muscle relaxant during general anesthesia could lower the risk of serious lung complications in high-risk surgery patients. The trial was terminated early after enrolling only 3 participants, so no meaningful conclusions can be drawn. The study was designed for adults undergoing non-cardiac surgery with a breathing tube.

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

3 people

The number who actually took part.

Started

Aug 2019

Finished

Dec 2022

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 years and older

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: * At least 18 years of age * Undergoing non-cardiac surgery under general anesthesia with an endotracheal tube * those at higher risk of developing postoperative pulmonary complications (internally validated risk prediction score of \>=20) Exclusion Criteria: * Emergency surgery * Ambulatory (outpatient) surgery * Scheduled for elective postoperative ventilation * Planned return to operating room within 7 days of index procedure * Exposure to general anesthesia within 7 days prior to planned procedure * Requirement mechanical ventilation at baseline (not including stable use of CPAP/BiPAP) * Pregnant patients: as detected by patient self-reporting or diagnosed by preoperative pregnancy testing according to institutional policies at BIDMC and MGH * Allergy to either non-depolarizing muscle relaxants or sugammadex * Clinician refusal * Prisoner

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Conditions

The condition(s) this trial relates to.

aspiration pneumonia bronchial disorder Bronchial Spasm pneumonia pneumonitis Pulmonary Atelectasis respiratory failure respiratory tract infectious disorder

As listed by the trial registrant

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

Aspiration pneumonia Atelectasis Bronchospasm Pneumonitis Respiratory failure Respiratory infection

Contacts and locations

Locations

  • Beth Israel Deaconess Medical Center

    Boston, Massachusetts, 02215, United States

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

More trials for these conditions

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