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Smart oxygen monitor may protect cells during rhinoplasty

NCT ID NCT07158073

Knowledge-focused Sponsor: Dr. Lutfi Kirdar Kartal Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether using a device called the Oxygen Reserve Index (ORI) to guide oxygen levels during rhinoplasty (nose job) surgery could reduce oxidative stress, a type of cell damage. Sixty healthy adults having rhinoplasty were split into two groups: one received standard oxygen levels, while the other had oxygen adjusted based on ORI readings. Researchers measured blood markers of oxidative stress to see if the ORI-guided approach was gentler on the body.

What this could mean

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

Active substance
Oxygen Reserve Index (ORI) monitoring device
What this could lead to
If successful, this approach could help reduce oxidative stress during surgeries, potentially improving recovery and reducing complications.
What could go wrong
This is a small, completed trial focused on a specific surgery. The results may not apply to other procedures or patient groups, and the benefits for long-term outcomes are not yet proven.

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

60 people

The number who actually took part.

Started

Mar 2021

Finished

Aug 2021

Lead sponsor

A government agency

The lead sponsor is a government body.

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: * classified as ASA physical status I or II Exclusion Criteria: * under 18 years of age * ASA classification greater than II * Mallampati score of 3 or 4 * findings suggestive of difficult intubation during physical examination * any pathological findings on chest X-ray evaluation (e.g., pleural effusion, nodular density increase, emphysema, atelectasis, calcification, mediastinal widening, or infiltration) * a history of circulatory disorders * hematocrit or hemoglobin values outside the normal range (Hemoglobin: 12-16 g/dL for males, 11-14 g/dL for females; Hematocrit: 36-48% for males, 33-42% for females) * a known hypersensitivity to any anesthetic agent to be used in the study.

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Conditions

The condition(s) this trial relates to.

Hyperoxia

As listed by the trial registrant

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

Hyperoxia Oxidative stress Oxygen reserve index Rhinoplasty

Contacts and locations

Locations

  • Kartal Dr. Lütfi Kırdar City Hospital

    Istanbul, kartal, 34862, Turkey (Türkiye)

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