Equine-assisted Therapy for Therapy-resistant Adolescents With Autism Spectrum Disorders, a Replicated AB-design

Who May Qualify: - between 11-18 years old; - a clinical diagnosis of autism spectrum disorders according the Diagnostic and Statistical Manual of Mental Disorders 5 (DSM 5) as diagnosed by a Beroepen in de Individuele Gezondheidszorg (BIG) registered healthcare professional; - insufficient emotion regulation after regular therapy for at least 1,5 years as indicated by a score above clinical cut-off (T-score = 65) on the EDI; - comorbidities are allowed except for those interfering with safety. Who Should NOT Join This Trial: - unable to respond to questions (parents or adolescents); - no access to an Internet connection; - insufficient mastery of Dutch language in parents or adolescents; - physically incapable to work with the horses; - unstable medication use; - total intelligence quotient (IQ) equal to or below 80 on the Wechsler Intelligence Scale for Children (WISC-III-R or WISC-V); - allergic or phobic to horses; - insufficient regulation to safely handle the horses; - therapy with horses within the last two years. Always talk to your doctor about whether this trial is right for you.