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Gene test could help teens get the right antidepressant dose faster

NCT ID NCT06853587

Symptom relief Sponsor: University of Calgary 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether using a genetic test to guide antidepressant dosing helps teens aged 12-17 with anxiety or depression. About 452 teens will be randomly assigned to either gene-guided dosing or standard dosing. The goal is to see if the genetic approach leads to more remissions and fewer side effects over 12 weeks.

What this could mean

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

Active substance
Selective serotonin reuptake inhibitor (SSRI) antidepressant
What this could lead to
If successful, this could show that using a simple genetic test helps teens find the right antidepressant dose faster, with fewer side effects.
What could go wrong
This is a relatively small, early-stage study. The genetic test may not improve outcomes over standard care, and results may not apply to all teens.

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 228 people

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

Started

Feb 2025

Expected to finish

Dec 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

12 to 17 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: * Age 12-17 * Depression and/or anxiety as the primary concern, confirmed by the treating physician * Intention to start a new SSRI * English fluency Exclusion Criteria: * Co-occurring obsessive compulsive disorder, psychosis, bipolar disorder, eating disorder, autism spectrum disorder, fetal alcohol spectrum disorder, or intellectual disability * History of non-response to 3 or more SSRI medications as confirmed by the treating physician * Brain stimulation-based therapy initiated within 8 weeks of referral, or plans to initiate/change brain stimulation during study participation * History of liver or hematopoietic cell transplant * History of CYP2B6, CYP2C19, or CYP2D6 testing

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder Depression depressive disorder mixed anxiety and depressive disorder

As listed by the trial registrant

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

Anxiety and 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

  • University of Calgary

    RECRUITING

    Calgary, Alberta, T2N 4N1, Canada

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