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Can High-Flow oxygen protect babies during C-Section?

NCT ID NCT07515716

Disease control Sponsor: Yonsei University 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 giving mothers high-flow oxygen during a C-section can help prevent oxygen shortage in the baby. Researchers will compare a special high-flow oxygen device (OptiFlow THRIVE) with standard low-flow oxygen. The trial involves 200 pregnant women scheduled for C-section under spinal anesthesia.

What this could mean

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

Active substance
high-flow nasal oxygen (via OptiFlow THRIVE device)
What this could lead to
If it works, this could show that high-flow oxygen helps protect the baby from oxygen shortage during C-section, leading to better outcomes.
What could go wrong
This is a small, early-stage study with 200 participants, so results may not apply to all pregnancies. The device may cause discomfort or not improve outcomes significantly.

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 200 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Mar 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

20 years and older

Sex

Female participants only

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: * Pregnant women aged 20 years or older with American Society of Anesthesiologists (ASA) physical status class 2-3 who are scheduled to undergo cesarean section under spinal anesthesia. Exclusion Criteria: A. Emergency surgery B. Patients in whom massive hemorrhage is anticipated, such as those with placenta previa C. Multiple pregnancy, preterm birth at less than 36 weeks of gestation, intrauterine growth restriction, or fetal anomalies D. History of hospitalization for preterm labor within the past 4 weeks requiring tocolytic therapy E. Respiratory diseases requiring oxygen therapy (e.g., moderate or severe asthma, chronic obstructive pulmonary disease) F. Individuals who are unable to read the consent form (e.g., illiterate individuals or foreigners who cannot read Korean)

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As listed by the trial registrant

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

Cesarean section Pregnancy Spinal anesthesia

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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