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Can a recorded voice prompt prevent breathing trouble after surgery?

NCT ID NCT02962557

Disease control Sponsor: University of Utah 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study tests whether a device can detect when a patient's breathing slows after surgery and then play a recorded voice telling them to breathe. The device uses standard monitors already used in hospitals. The study includes patients who have or may have sleep apnea and are staying in the hospital for at least 24 hours after surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
NM3 monitor with voice prompts
What this could lead to
If successful, this approach could help prevent serious breathing complications after surgery by alerting patients to breathe.
What could go wrong
This is a small early feasibility study, so results may not apply to all patients. The voice prompts may not be effective for everyone.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2017

Expected to finish

Jun 2027

An estimate. End dates often move.

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: Patients that meet the following criteria will be invited to participate in this study: 1. Patients who undergo surgical procedures associated with a post operative hospital stay of at least 24 hours. 2. Patients with known or suspected obstructive sleep apnea (OSA). Known OSA will be defined as a sleep hypopnea study within the last 10 years that is consistent with OSA. Suspected OSA will be defined as a patient with a screening questionnaire (STOP-Bang) score of 5-8 (A score consistent with a high risk of OSA). The STOP-Bang questionnaire is a built in component of the anesthesia preopreative evaluation in EPIC. OR 3. Patients who will undergo surgical procedures associated with significant post operative pain and require opioid analgesics to manage pain. Sample procedures include major extremity surgery, spine surgery, abdominal surgery, and chest surgery that require a post operative in patient hospital stay. Nurses who meet the following criteria will be invited to participate in this study: PACU nurses who are in charge of caring for consented patients. Exclusion Criteria: 1. Patients who are discharged home on the day of surgery. 2. Vulnerable populations including pregnant women, prisoners, and people requiring legally authorized representative for consent 3. There are no exclusion criteria for PACU Nurses

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Conditions

The condition(s) this trial relates to.

obstructive sleep apnea syndrome respiratory failure

As listed by the trial registrant

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

Anesthesia

Contacts and locations

Locations

  • University of Utah

    Salt Lake City, Utah, 84112, United States

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