Pilot study of the TETRA (TEtris versus TRAuma) intervention to reduce intrusive trauma-related memories in adolescents

Pilot study of the TETRA (TEtris versus TRAuma) intervention to reduce intrusive trauma-related memories in adolescents - TETRA

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00040126

Enrollment

Registered

2026-04-29

Start date

2026-08-01

Completion date

Unknown

Last updated

2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Intrusive trauma-related memories

Interventions

Group 1: Reactivation of traumatic memories followed by a cognitive (visuospatial) interference task (the video game Tetris)

Eligibility

Sex/Gender

All

Age

13 Years to 21 Years

Inclusion criteria

Inclusion criteria: - Experiencing a potentially traumatic event - Experiencing intrusive memories, CATS-2 Item 3 score = 2

Exclusion criteria

Exclusion criteria: The severity of symptoms (e.g., acute psychosis, severe substance abuse, or acute suicidal tendencies) makes an inpatient treatment necessary.

Design outcomes

Primary

Measure	Time frame
What: Frequency and distress caused by intrusive trauma-related memories. When: Daily assessment in the evening seven days before and seven days after the intervention. How: (Up to) three questions: Did you experience intrusive memories today? (Yes/No); If yes: How often did you experience intrusive memories today? (Open answer); If yes: Did these intrusive memories cause you distress today? (0 Not at all to 10 Very much)	—

Measure

Time frame

What: Frequency and distress caused by intrusive trauma-related memories. When: Daily assessment in the evening seven days before and seven days after the intervention. How: (Up to) three questions: Did you experience intrusive memories today? (Yes/No); If yes: How often did you experience intrusive memories today? (Open answer); If yes: Did these intrusive memories cause you distress today? (0 Not at all to 10 Very much)

—

Secondary

Measure	Time frame
- Posttraumatic Stress Symptoms: Child and Adolescent Trauma Screen 2 (CATS-2, Sachser et al., 2022) - Acceptance of the intervention (Three free answer questions plus three items with scores from 0 to 10: Overall rating, helpfulness in dealing with memories) - Level of arousal following the reactivation of traumatic memories during and after the intervention - Adherence: voluntary use of Tetris after the intervention - Feasibility (answered by study therapists conducting the intervention)	—

Measure

Time frame

- Posttraumatic Stress Symptoms: Child and Adolescent Trauma Screen 2 (CATS-2, Sachser et al., 2022) - Acceptance of the intervention (Three free answer questions plus three items with scores from 0 to 10: Overall rating, helpfulness in dealing with memories) - Level of arousal following the reactivation of traumatic memories during and after the intervention - Adherence: voluntary use of Tetris after the intervention - Feasibility (answered by study therapists conducting the intervention)

—

Countries

Germany

Contacts

Public ContactKatharina Szota

Philipps-Universität Marburg, Arbeitsgruppe Klinische Kinder- und Jugendlichenpsychologie

szota@uni-marburg.de06421 2827115

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026