Massive youth mental health study aims to unravel why disorders cluster
NCT ID NCT07699159
First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time
Summary
This observational study follows 1,620 adolescents and young adults (ages 11–24) who have two or more mental health conditions, such as anxiety, depression, or ADHD. Researchers will track participants over time using interviews, questionnaires, blood tests, and brain scans to identify factors that influence how these conditions develop and change. The goal is to better understand mental health multimorbidity in youth and find biomarkers that could guide future treatments.
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 study could reveal risk and protective factors that explain how multiple mental health conditions develop in youth, pointing toward better ways to predict, prevent, or treat them.
- What could go wrong
- This is an observational study, not a treatment trial, so it will not directly test any new therapy. The findings may take years to translate into clinical practice, and the complex data may not yield clear answers.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Centre for Addiction and Mental Health (CAMH)
RECRUITINGToronto, Ontario, M6J1H4, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Children's Hospital of Eastern Ontario Research Institute
RECRUITINGOttawa, Ontario, K1H 8L1, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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McMaster Children's Hospital, Hamilton Health Sciences
RECRUITINGHamilton, Ontario, L8L 2X2, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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The Hospital for Sick Children
RECRUITINGToronto, Ontario, M5G 1X8, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The Royal Ottawa Mental Health Centre
RECRUITINGOttawa, Ontario, K1Z 7K4, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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University of Calgary
RECRUITINGCalgary, Alberta, T2N 1N4, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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