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The IRL Trial: A school-based trial to reduce social media use and improve mental health among adolescents

The In Real Life (IRL) Trial: a cluster-randomised controlled trial of a school-based social media reduction intervention versus treatment-as-usual control in secondary school pupils (aged 12–15) in Bradford, UK, and its effects on anxiety (RCADS-25) and secondary outcomes

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN75400619
Enrollment
4500
Registered
2026-07-09
Start date
2026-09-07
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Mental health in healthy young people Mental and Behavioural Disorders

Interventions

Study design: This will be a parallel-arm cluster randomised trial in which school year groups will be randomised to two conditions: (1) an intervention involving a smartphone app designed to reduce s
(2) a treatment-as-usual control state. The primary outcome will be self-reported anxiety, with other outcomes measured by self-report and the app. We will work with 10-12 secondary schools and random

Sponsors

Bradford Teaching Hospitals NHS Foundation Trust
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to 15 Years

Inclusion criteria

Inclusion criteria: 1. Currently enrolled in a secondary school 2. In academic year 8 - 10 3. Owns a smartphone (or regularly uses a specific smartphone that can be used in the research) 4. Can speak and read English

Exclusion criteria

Exclusion criteria: No specific exclusion criteria (all school types and young people will be eligible)

Design outcomes

Primary

MeasureTime frame
Anxiety measured using the Revised Child Anxiety and Depression Scale (RCADS-25) anxiety subscale self-report survey at week 0 (baseline) and week 6 (follow-up)

Secondary

MeasureTime frame
Symptoms of depression measured using the Revised Children's Anxiety and Depression Scale (RCADS) depression subscale self-report survey at week 0 (baseline) and week 6 (follow-up);Mental wellbeing measured using the Short Warwick-Edinburgh Mental Wellbeing Scale (SWEMWBS) self-report survey at week 0 (baseline) and week 6 (follow-up)

Countries

England, United Kingdom

Contacts

Public ContactDan Lewer
borninbradford@bthft.nhs.uk+44 (0)1274 274474

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Sep 19, 2026