SPACE: a Parent-based Treatment for Pediatric OCD

Inclusion Criteria: * The child ages between 7 - 18 years old * The child meets the DSM-5 criteria for OCD (as primary classification) * The child did not benefit from psychological treatment for OCD (either followed 8 to 12 sessions of CBT or other psychotherapy), aborted treatment early or was unable/not motivated to receive treatment due to high levels of anxiety/OCD) * At time of baseline still meets the clinical cut-off of 16 or higher for OCD on the Child Yale-Brown Obsessive Compulsive Scale \[CY-BOCS\]. * Psychiatric comorbidity is allowed, provided that OCD is the primary treatment target * Parents report high levels of Family Accommodation (FA) at time of baseline (meeting the cut-off of 10 or higher on the Family Accommodation Scale Anxiety \[FASA\]) * Medication use is allowed. Selective serotonin reuptake inhibitors (SSRI) use (for OCD symptoms) is allowed as well, provided that the medication regime has been stable 4 weeks prior to participation and remains unchanged during participation. Exclusion Criteria: * The child needs inpatient treatment * Acute suicidality * Psychotic symptoms * No participating parents * Parents have insufficient mastery of the Dutch language * Parents or child have an estimated IQ below 75