Using genetic information to guide antidepressant prescribing for teens with anxiety and depression

Pharmacogenetic-Guided Antidepressant Prescribing in Adolescents With Anxiety and Depression

Not applicable Interventional University of Calgary · NCT06853587

This study is testing if using genetic information to choose antidepressants helps teens aged 12-17 with anxiety and depression feel better compared to regular prescribing methods.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment452 (estimated)
Ages12 Years to 17 Years
SexAll
SponsorUniversity of Calgary Academic / other
Locations1 site (Calgary, Alberta)
Trial IDNCT06853587 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to evaluate the effectiveness of pharmacogenetic-guided antidepressant prescribing in adolescents aged 12-17 who are starting or changing a selective serotonin reuptake inhibitor (SSRI) for anxiety and depression. Participants will be randomly assigned to receive either pharmacogenetic-guided therapy or standard prescribing guidelines for a duration of 12 weeks. The study seeks to determine if tailoring antidepressant prescriptions based on genetic metabolism phenotypes leads to better outcomes compared to conventional methods. The trial will involve 452 adolescents and will assess their experiences, health care utilization, and overall efficacy of the treatment.

Who should consider this trial

Good fit: Ideal candidates are adolescents aged 12-17 who are beginning or changing their SSRI medication for anxiety and/or depression.

Not a fit: Patients with co-occurring severe mental health disorders or those who have previously not responded to multiple SSRIs may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to more effective and personalized treatment for adolescents suffering from anxiety and depression.

How similar studies have performed: Other studies have shown promise in pharmacogenetic-guided approaches for antidepressant prescribing, indicating potential for success in this trial.

Eligibility criteria

Show full inclusion / exclusion criteria
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

Where this trial is running

Calgary, Alberta

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Anxiety and DepressiondepressionanxietyadolescenceSSRIantidepressantpharmacogenetics
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.