Clinical trial Recruiting at 1 site Observational Ages 12 to 18

Tracking symptom changes during trauma-focused CBT for adolescents

Official title: Evaluating Symptom Variations and Observing Longitudinal Individual Change Effects in TF-CBT

Run by University Children's Hospital, Zurich · NCT07402681 · Data updated 2026-11-12

See how trauma-focused cognitive behavioral therapy (TF-CBT) changes post-traumatic stress symptoms in adolescents aged 12–18 who have experienced trauma.

Quick facts

Study typeObservational
Ages12 Years to 18 Years
SexAll
Enrollment21 (estimated)
SponsorUniversity Children's Hospital, Zurich
Academic / other
Locations1 site (Zurich, Canton of Zurich)
StatusRecruiting
StartedFebruary 2026
Main results expectedSeptember 2027
Study endsDecember 2027
Registry record updatedFebruary 11, 2026
Trial IDNCT07402681 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adolescents aged 12–18 with DSM-5 Criterion A trauma (after age 3), a CATS-2 total score ≥25, a nonoffending caregiver willing to join weekly TF-CBT sessions, stable/safe living circumstances, and sufficient German language skills are ideal candidates.

Probably not a fit

Patients without significant PTSS, without a available nonoffending caregiver, unable to attend weekly in-person sessions, living in unsafe/unstable conditions, or lacking sufficient German language ability are unlikely to benefit or be eligible.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational project follows adolescents aged 12–18 with high post-traumatic stress symptoms as they receive trauma-focused cognitive behavioral therapy (TF-CBT) based on Cohen, Mannarino, & Deblinger (2017). Symptoms are measured repeatedly over the course of weekly TF-CBT sessions, with eligibility requiring a baseline Child and Adolescent Trauma Screen 2 (CATS-2) score of ≥25. The study uses single-case longitudinal analyses to capture individual patterns of symptom change rather than relying solely on group averages. A nonoffending caregiver participates in weekly sessions as part of the TF-CBT model, and all treatment occurs at the University Children's Hospital Zurich.

Why it matters

Potential benefit: If successful, the project could clarify typical and individual symptom trajectories during TF-CBT, helping clinicians personalize care for adolescents with post-traumatic stress symptoms.

How similar studies have gone: TF-CBT is an established, evidence-based treatment that has reduced PTSD symptoms in youth, though single-case longitudinal tracking of individual symptom changes is less commonly reported.

Who can join: the full rules

Show full inclusion / exclusion criteria
Participants will be included if:

1. they are between 12 and 18 years of age;
2. they have been exposed to at least one or more traumatic event(s) according to the DSM-5 A criteria after the age of 3 years and dating back at least 1 months (with regard to the ability of patients to remember the event(s) and to the high spontaneous remissions of PTSS in the first month after a traumatic event);
3. they exhibit high severity of DSM-5 PTSS as indicated by a total symptom score of ≥25 assessed with the Child and Adolescent Trauma Screen 2 (CATS-2);
4. a nonoffending adult caregiver is available for the treatment and willing to participate in weekly treatment sessions (the inclusion of a caregiver is integral to the TF-CBT treatment model);
5. they are willing and able to attend weekly treatment sessions;
6. if their living circumstances are safe and stable to minimize the risk of re-traumatization during the project;
7. they and their caregiver have sufficient command of the German language (i.e., to participate in assessment \[read\] and treatment\[converse\]);
8. they and their caregivers possess a smartphone.
9. they and their caregiver provided written informed consent.

Participants will not be included if:

1. they exhibit acute suicidal behavior or have suicidal ideations requiring immediate hospitalization;
2. they have a documented developmental disorder (i.e., autism spectrum disorder) or current psychosis based on adolescent- and caregiver-report and clinical assessment;
3. they exhibit severe substance misuse based on clinical assessment;
4. take part in concurrent psychotherapy during TF-CBT;
5. exhibit severe intellectual disability based on clinical assessment.

Where it's running

  • University Children's Hospital Zurich
    Zurich, Canton of Zurich, Switzerland
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.