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Forecasting depression relapse: new study aims to predict the unpredictable

NCT ID NCT06746155

Knowledge-focused Sponsor: Abraham Nunes Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jul 10, 2026 · Updated 2 times

Summary

This study follows 252 people whose major depression is in remission to find early warning signs of relapse. Researchers will track symptoms, physical activity, sleep, thinking skills, and brain activity. The goal is to build a model that tells doctors who is likely to relapse and when, so they can step in early to prevent a full depressive episode.

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 lead to a practical tool that helps doctors predict and prevent depression relapse, improving long-term management.
What could go wrong
This is an observational study, not testing a treatment. The model may not be accurate enough for widespread use, and results may not apply to all patients.

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

About 252 people

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

Started

Dec 2024

Expected to finish

Oct 2029

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.

Who is studied

Patients who participated in the OPTIMUM-D protocol, and who are currently in remission. Past participants from other CAN-BIND studies who meet current inclusion/exclusion criteria will also be approached for the present study. Other patients with MDD, currently in remission, who attend clinics at each of the study sites will also be considered for enrollment.

Ages

18 to 70 years

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: * Outpatients 18 to 70 years of age. * Meet DSM-V criteria for MDD as determined by the SCID-5 or other standardized clinical interviews. * In the current or most recent MDE, participant must be responding or responded to a treatment or a combination of treatments for MDD. Patients with remitted MDD who are currently not taking medications will also be accepted. Patients must have achieved remission at or later than May 1, 2023. * Participants must have a MADRS total score ≤14. * Participant must be willing and able to complete self-reported assessments including sufficient fluency in English. * Participant must be willing to wear the wrist-worn actigraphic device for the duration of the study. Exclusion Criteria: * Bipolar I or Bipolar-II diagnosis (lifetime), schizophrenia, or schizoaffective disorder. * Elevated risk of suicide, as determined by clinical evaluation. * Existence of major neurological disorders, head injury (if accompanied by any of \[A\] loss of consciousness longer than 24 hours, \[B\] documented evidence of Glasgow Coma Scale \<9 at the time of injury, \[C\] post-traumatic amnesia lasting longer than 24 hours) (43), or other unstable medical conditions. * The participant presents with any condition which, according to the researcher's judgment, could interfere with the assessments stipulated in the protocol. * The participant is employed by the researcher, actively involved in the current study or other research overseen by the same researcher, or is a relative of a study employee or the researcher.

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Conditions

The condition(s) this trial relates to.

major depressive disorder Recurrence

As listed by the trial registrant

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

Major depressive disorder (MDD)

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    9 sites. The list below names each one and where it is.

  3. 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 ↗

  4. 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

  • Centre for Addiction and Mental Health (CAMH)

    RECRUITING

    Toronto, Ontario, Canada

  • McMaster University

    RECRUITING

    Hamilton, Ontario, Canada

  • Nova Scotia Health

    RECRUITING

    Halifax, Nova Scotia, Canada

  • Ontario Shores Centre for Mental Health Sciences

    RECRUITING

    Whitby, Ontario, Canada

    Contact Email: •••••@•••••

  • Queen's University

    RECRUITING

    Kingston, Ontario, Canada

  • The Royal Ottawa Mental Health Centre

    NOT_YET_RECRUITING

    Ottawa, Ontario, K1Z 7K4, Canada

  • University Health Network

    RECRUITING

    Toronto, Ontario, Canada

    Contact Email: •••••@•••••

  • University of British Columbia

    RECRUITING

    Vancouver, British Columbia, Canada

  • University of Calgary

    RECRUITING

    Calgary, Alberta, Canada

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