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Smart rings could spot postpartum depression risk early

NCT ID NCT07784244

Knowledge-focused Sponsor: Women's College Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 25, 2026 · Last updated Aug 26, 2026 · Updated 1 time

Summary

This study explores whether wearable devices like the Oura Ring and EmbracePlus watch can help track mood changes during pregnancy and after birth. Ten pregnant individuals with a history of major depressive disorder will wear a device daily from the third trimester to three months postpartum, while completing mood surveys. The goal is to see if this monitoring is practical and if physiological data like sleep and heart rate relate to mood changes, potentially enabling earlier detection of perinatal depression.

What this could mean

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

Active substance
Oura Ring and EmbracePlus wearable devices
What this could lead to
If successful, this could lead to earlier detection and personalized care for perinatal depression.
What could go wrong
This is a small feasibility study, so results may not generalize. Wearable data may not reliably link to mood changes.

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 10 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Nov 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

16 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 ≥ 16 years * Pregnant, 13-27 weeks gestation at enrollment * Previous diagnosis of major depressive disorder (MDD), confirmed by Mini International Neuropsychiatric Interview (MINI) (not necessarily perinatal onset) * Currently in remission (EPDS score \< 9) * Access to a smartphone and internet, or willingness to use a study-provided device Exclusion Criteria: * Active alcohol or substance use disorder within the past 12 months * Active suicidal ideation * History of bipolar disorder or primary psychotic disorder * Physical condition preventing use of Oura Ring or EmbracePlus (expected to be rare)

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Conditions

The condition(s) this trial relates to.

major depressive disorder Patient Acceptance of Health Care perinatal asphyxia postpartum depression

As listed by the trial registrant

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

Perinatal depression

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Women's College Hospital

    Toronto, Ontario, M5S 1B2, Canada

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