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New monitoring method may keep seniors breathing easier after surgery

NCT ID NCT07652385

Symptom relief Sponsor: Jianbo Wu Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 looks at whether adding a special carbon dioxide monitor through the nose can reduce dangerous drops in oxygen levels in elderly patients (ages 65-80) waking up from anesthesia after laparoscopic abdominal surgery. About 324 participants will be randomly assigned to standard care or standard care plus this extra monitoring. The goal is to see if the extra monitor helps prevent low oxygen episodes and improves safety during recovery.

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 324 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Oct 2028

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

65 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Age 65-80 years; * ASA physical status I-III; * BMI 18-30 kg/m²; * Participants scheduled for elective laparoscopic surgery under general anesthesia with endotracheal intubation; * Willing to participate in the study and provide written informed consent Exclusion Criteria: * Patients with nasal bleeding, nasal mucosal injury, nasal cavity occupancy, or other conditions that preclude transnasal carbon dioxide monitoring; * Patients undergoing emergency surgery; * Participants requiring postoperative assisted ventilation via endotracheal intubation or tracheostomy; * Presence of any disease or condition that may cause abnormal end-tidal carbon dioxide waveforms or abnormal baseline pulse oximetry (e.g., congenital heart disease or chronic lung disease); * Severe cardiac insufficiency (≤4 Metabolic Equivalents \[MetS\]); * Severe renal insufficiency (acute kidney injury \[AKI\] or chronic kidney disease \[CKD\] stage 4 or higher); * Severe hepatic insufficiency (Child-Pugh class C or worse); * Allergy to study medications; * Daily alcohol intake ≥60 grams; * History of psychiatric disorders such as depression, severe central nervous system depression, Parkinson's disease, basal ganglion lesions, schizophrenia, epilepsy, Alzheimer's disease; * Participation in another related clinical study within the past 3 months.

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As listed by the trial registrant

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

Capnography Elderly patients Laparoscopic surgery Postoperative hypoxemia

How to take part

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  1. The official record

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