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Treating substance use and traumatic stress

This study aims to better understand PTSD and substance use.
We are comparing the efficacy of two psychological therapies for co-occurring substance use and traumatic stress among young people aged 12-21 years.

Through this trial we hope to improve our understanding of how best to treat young people experiencing traumatic stress, who are also using alcohol or other drugs.

After completing a brief screening questionnaire, eligible participants will receive up to 16 weekly sessions with a clinical psychologist. They will also complete three research interviews at baseline, 4- and 12-month follow up.

Ethics approval number: 2018/863.


Eligibility criteria will be assessed by a member of the research team who will conduct a brief screening questionnaire with potential participants. 

You may be eligible to participate in this study if you:

  • Are aged 12-21 years
  • Have experienced or witnessed traumatic event such as a serious accident, physical or sexual assault
  • Are finding it difficult to forget about what happened or are avoid thinking or talking about it
  • Are using alcohol or other drugs to cope
  • Are fluent in English. 

How to participate

Please register your interest via our website

Alternatively you can call or text us on 0432 950 878 or email us at