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Digitale intervensjoner for tilbakefallsprevensjon i ungdomstiden (DigiTIFF)

2. november 2026 oppdatert av: Ragnhild Bø, University of Oslo

Digitale intervensjoner for tilbakefallsprevensjon i ungdomsårene

Some adolescents experience periods of anxiety and/or depression, and some find that these periods return over time. The purpose of this study is to examine whether digital interventions-where individuals work systematically with their own thoughts and feelings during periods when they feel well-can help them maintain well-being for longer.

The study includes adolescents aged 16-19 who have previously experienced episodes of depression and/or anxiety to a degree that led them to seek help (e.g., from a school nurse, general practitioner, health clinic, or child and adolescent mental health service). Through a research app on their smartphones, participants complete tasks and answer questionnaires. The study is fully digital. Some participants meet with a therapist in digital group sessions, while others work independently with the digital content.

We will also examine the cost-benefit aspects of offering such interventions. If the study achieves its goals, digital interventions may eventually become a service offered to adolescents recovering from depression and anxiety.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

495

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

16 år til 19 år (Barn, Voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Currently in full or partial remission for a minimum of 2 months from a depressive disorder or an anxiety disorder as defined by self-reported scores on RCADS-47: previous episode(s) of t-score > 65 and current t-score =<65.
  • Native or fluent Scandinavian language skills.
  • Willingness to take part even when allocated to the non-preferred arm of the trial.

Exclusion Criteria:

  • Ongoing depressive disorder, ongoing anxiety disorder as defined by current t-score =<65 on RCADS-47.
  • Recent completion of one of the interventions in the two interventional arms.
  • no available smartphone.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: App intervention

A transdiagnostic, self-guided CBT app:

  1. Standardized self-assessment for mental health: 'Test your psychological immune system'.
  2. Educational mini-series: A 30-minute, entertaining video series that teaches users to build resilience by addressing essential needs like sleep (psychological immune system), recognizing negative thought patterns (thought viruses), and developing healthier coping mechanisms (psychological vitamins).
  3. Daily practice: Over 20 days, users receive a short, 1-2-minute video each morning. These videos provide practical tips, small experiments, or simple tasks designed to help users integrate healthier coping strategies into their daily lives.
Atferdsmessig: Transdiagnostic app intervention

A transdiagnostic, self-guided CBT app, called TankeVirus (literally translated Thought Viruses), consisting of three components:

  1. Standardized self-assessment for mental health: 'Test your psychological immune system'.
  2. Educational mini-series: A 30-minute, entertaining video series that teaches users to build resilience by addressing essential needs like sleep (psychological immune system), recognizing negative thought patterns (thought viruses), and developing healthier coping mechanisms (psychological vitamins).
  3. Daily practice: Over 20 days, users receive a short, 1-2-minute video each morning. These videos provide practical tips, small experiments, or simple tasks designed to help users integrate healthier coping strategies into their daily lives.
Eksperimentell: Group intervention

A transdiagnostic, mastery course for groups, delivered weekly in webinar format over three sessions. It includes videos and group discussions.
Atferdsmessig: Transdiagnostic mastery course

Group-based webinar offering psychoeducation based on principles of CBT.
Ingen inngripen: Assessment only

Only assessment will be conducted.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Relapse: Number of participants scoring above the diagnostic cut-off on the PHQ-9 modified for teens during the 12-month follow-up.
Tidsramme: From enrollment to the end of follow-up at 12-months.

To use the PHQ-9 as a diagnostic aid for Major Depressive Disorder:

  • Questions 1 and/or 2 need to be endorsed as a "2" or "3"
  • Need five or more positive symptoms (positive is defined by a "2" or "3" in questions 1-8 and "1", "2", or "3" in question 9).
  • The functional impairment question (How difficult….) needs to be rated at least as "somewhat difficult."
From enrollment to the end of follow-up at 12-months.
Time until relapse; reaching the diagnostic criteria of MDD according to PHQ-9 modified for teens
Tidsramme: From enrollment to 12-months follow-up

Number of days until the diagnostic criteria of MDD as assessed PHQ-9 modified for teens has been reached.

- Questions 1 and/or 2 need to be endorsed as a "2" or "3"

  • Need five or more positive symptoms (positive is defined by a "2" or "3" in questions 1-8 and by a "1", "2", or "3" in question 9).
  • The functional impairment question (How difficult….) needs to be rated at least as "somewhat difficult."
From enrollment to 12-months follow-up

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Repetitive negative thinking (RNT-10)
Tidsramme: At enrollment, and at 3, 6 and 12 months follow-up

Assess transdiagnostic repetitive negative thinking
At enrollment, and at 3, 6 and 12 months follow-up
Somatic complaints (SSS8)
Tidsramme: At enrollment, and at 3, 6, and 12-months follow-up.

Somatic complaints based on sum score of all items
At enrollment, and at 3, 6, and 12-months follow-up.
EPOCH Measure of Adolescent Well-Being
Tidsramme: At baseline, 3, 6 and 12-months follow-up.

A 20-item validated questionnaire (4 items per domain; Engagement, Perseverance, Optimism, Connectedness, Happiness) on a 1-5 Likert scale (1=Almost Never, 5=Almost Always) resulting in domain scores, reflecting strengths in these positive psychological areas crucial for youth well-being.
At baseline, 3, 6 and 12-months follow-up.
Health related quality of life
Tidsramme: At baseline, 3, 6 and 12-months follow-up.

EQ-5D-5L will be used to assess five domains of patient reported outcomes and for economic evaluation of the interventions.
At baseline, 3, 6 and 12-months follow-up.
Health related quality of life - Visual Analog Scale
Tidsramme: At baseline, 3, 6 and 12-months follow-up.

EQ VAS will be used to assess patient reported outcomes for self-rated health and for economic evaluation of the interventions.
At baseline, 3, 6 and 12-months follow-up.

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Client satisfaction questionnaires (CSQ-I)
Tidsramme: At 3 months follow-up.

The 8-item questionnaire assesses how satisfied the participants are with the interventions, only administrated to those who are in the interventional arms.
At 3 months follow-up.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

University of Oslo

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Hjelpsomme linker

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

10. august 2026

Primær fullføring (Antatt)

1. februar 2028

Studiet fullført (Antatt)

1. februar 2028

Datoer for studieregistrering

Først innsendt

22. desember 2025

Først innsendt som oppfylte QC-kriteriene

7. januar 2026

Først lagt ut (Faktiske)

16. januar 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

5. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

2. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • 870757

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

The dataset underlying the results will be shared together with publications.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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