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Nose sensor could spot oxygen drops faster than finger clip

NCT ID NCT06398262

Knowledge-focused Sponsor: Philips Clinical & Medical Affairs Global 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 a new oxygen sensor that clips onto the nose instead of the finger. The nose is less affected by cold and closer to the heart, so it might detect low oxygen levels faster. Researchers compared the nose sensor to the standard finger sensor in 56 adults having abdominal surgery.

What this could mean

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

Active substance
Alar SpO2 sensor (nasal wing oxygen sensor)
What this could lead to
If successful, this could lead to a more reliable way to monitor oxygen levels in patients, especially when fingers are cold or have poor blood flow.
What could go wrong
This is a small pilot study with only 56 participants, so results may not apply to everyone. The sensor is already approved, but this test is about comparing it to standard finger sensors, not proving a new treatment.

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.

Participants

56 people

The number who actually took part.

Started

Sep 2024

Finished

Nov 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

This study will be conducted in surgical patients in the peri-operative unit of Karolinska University Hospital (Huddinge site), Stockholm, Sweden and will focus on patients after upper abdominal surgery. In order to ensure a balanced distribution of men and women, at a minimum 40% of the total subject population will be male and 40% will be female.

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: * Age 18 or older * Standard of care for planned abdominal surgery foresees continuous SpO2 monitoring intra- and post-operatively * Standard of care for planned abdominal surgery foresees arterial catheterization in order to aspirate blood for blood gas analysis * Expected overnight stay in the peri-operative unit * Able to speak and understand Swedish * Willing and able to provide written informed consent Exclusion Criteria: * Body weight below 50 kg * Procedures and/or conditions affecting the face or hands that might prevent placement of sensors * Injury/wounds or physical malformation of sensor application sites (i.e. nose, fingers) * Severe contact allergies to standard adhesives, latex or other materials found in pulse oximetry sensors (self-reported) * Nail fungus on application site * Refusal to remove artificial nails or nail polish * Severe dermatitis or hyperkeratosis (e.g. ichthyosis) at sensor application site * Raynaud's disease * Hemoglobinopathy * Expected post operative ward stay ≤12 hrs * Dye injections within 48 hours * Pregnant or lactating during the study period * Nasal intubation * Patient is participating in another medical device study.

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Conditions

The condition(s) this trial relates to.

nasal alar collapse, bilateral

As listed by the trial registrant

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

Measurement Nasal alar collapse, bilateral OXYGEN SPO2

Contacts and locations

Locations

  • Karolinska hospital

    Stockholm, Sweden

More trials for these conditions

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