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Sleep apnea in obese pregnancies: hidden danger for mom and baby?

NCT ID NCT03509805

Knowledge-focused Sponsor: University Hospital, Lille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at 89 obese pregnant women to find out how common sleep apnea is and whether it is linked to high blood pressure, preeclampsia, or poor fetal outcomes. Participants had a sleep test (polysomnography) to detect apnea. The goal was to understand the connection and see if CPAP therapy might help.

What this could mean

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

What this could lead to
If successful, this could show that treating sleep apnea with CPAP improves pregnancy outcomes in obese women.
What could go wrong
This is an observational study, not a treatment trial. It only measures prevalence and associations, so it cannot prove that CPAP helps.

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

89 people

The number who actually took part.

Started

Sep 2010

Finished

Mar 2017

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

Female participants only

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 \>18 years * BMI \> 35 * \> 24th weeks of pregnancy * informed consent, * health assurance Exclusion Criteria: * no informed consent * twin pregnancy or more * no health assurance

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder obstructive sleep apnea syndrome preeclampsia pregnancy disorder sleep apnea syndrome

As listed by the trial registrant

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

Apnea, obstructive sleep Obesity Pre-eclampsia Pregnancy complications

Contacts and locations

Locations

  • CHRU,Hôpital Jeanne de Flandre

    Lille, North, 59037, France

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