There has been a significant increase in non-suicidal self-injury the last decades especially among young people and treatment initiative are sparse. We aim to assess the feasibility of methods, procedures, and safety of internet-based Emotion Regulation Individual Therapy for Adolescents (ERITA) as add on to treatment as usual (TAU) in 13-17-year-old patients with non-suicidal self-injury referred to psychiatric services.
Non-suicidal self-injury has disseminated almost epidemically through the last decades in young persons. There is no evidence of any experimental treatment for non-suicidal self-injury in adolescents, superior to treatment as usual. Patients with stigmatizing illness such as non-suicidal self-injury may find internet-based interventions more acceptable. The study is a feasibility trial, with a randomization procedure in a parallel group design. Patients will be recruited from Child- and Adolescent Mental Health Services (age 13 to 17 years). The experimental intervention is internet-based, and therapist guided; ERITA consists of online Emotion Regulation Individual Therapy for Adolescents (ERITA) as add-on to treatment as usual. Treatment as usual is provided by multidisciplinary teams in nine outpatient clinics within Child and Adolescent Mental Health Services in the Capital Region of Denmark. Feasibility of recruitment and trial procedures will be monitored as well as explorative clinical outcomes.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
30
Please see description of experimental arm (arm one)
Team for Self-injury, Child and Adolescent Mental Health Services, B195
Copenhagen, Ø, Denmark
Completion of follow-up
Completion of follow-up will be defined as completing at least one clinical outcome (non-suicidal self-injury events) at end of intervention. If the number participants with completed outcomes is 26 out of 30, the fraction will be 87%, 95% CI 75% to 99%. A follow-up fraction of 87% or more will be acceptable for a future trial while a fraction below 75% will impose serious problems of interpreting the trial result in a future large pragmatic trial.
Time frame: End of treatment at 12 weeks
The fraction of eligible participants who consent to inclusion and randomization
We will determine the fraction of potential participants as the number of eligible persons compared to the number of randomized persons. If the number of participants randomized out of the number of eligible persons is 30 out of 75, the fraction will be 40%, 95% confidence interval (CI) will be: 29% to 51%. A randomization fraction of 29% or more will be acceptable for a future trial, while a fraction below 29% will impose serious problems of recruitment for a future large pragmatic trial.
Time frame: End of treatment at 12 weeks
Compliance
Compliance with the experimental intervention will be defined as completing at least six of 12 ERITA sessions. ERITA will automatically register time for login and save the exercises that have been completed. If the number of compliant experimental participants is 11 out of 15, the fraction will be 73%, 95% CI 51% to 96%. A compliance fraction of 51% or more will be acceptable for a future trial while a fraction below 51% will impose serious problems of interpreting the trial result in a future large pragmatic trial.
Time frame: End of treatment at 12 weeks
Non-suicidal self-injury as explorative primary clinical outcome
Non-suicidal self-injury, assessed at baseline and end of therapy (12 weeks) by blinded outcome assessment by phone with Deliberate Self-Harm Inventory (DSHI-Y)
Time frame: End of treatment at 12 weeks
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Quality of life as explorative secondary clinical outcomes
Quality of life at 12 weeks, assessed with Kidscreen-10. 5-point Likert scale, range: not at all, a little, modearte, much, very much.
Time frame: End of treatment at 12 weeks
Symptoms of depression, anxiety and stress as explorative secondary clinical outcomes
Symptoms of depression, anxiety and stress at 12 weeks, assessed with Depression Anxiety Stress Scale (DASS-21). 4-point Likert scale, range: did not apply to me, applied to me to some degree, applied to me to a considerable degree, applied to me much/most of the time. Totale range for subscores: 0-42. Higher scores reflects worse outcome.
Time frame: End of treatment at 12 weeks
Non-suicidal self-injury as dichotomous variables as explorative secondary clinical outcome
Non-suicidal self-injury as dichotomous variables (Yes/No)
Time frame: End of treatment at 12 weeks
Number of sick days the last month as explorative secondary clinical outcome
Number of sick days the last month
Time frame: End of treatment at 12 weeks