Krebs, G., Isomura, K., Lang, K., Jassi, A., Heyman, I., Diamond, H., Advani, J., Turner, C. M & Mataix-Cols, D. (2015). How resistant is 'treatment-resistant' obsessive-compulsive disorder in youth?. British Journal of Clinical Psychology,54(1), J. Henry. 63-75. United Kingdom: John Wiley and Sons Ltd.. Retrieved from https://doi.org/10.1111/bjc.12061
Objectives: Obsessive-compulsive disorder (OCD) is often perceived as being difficult to treat. This study aimed to test the hypothesis that treatment non-response in routine clinical practice is often due to failures in the delivery of treatment, and that most patients who are apparently treatment-resistant will respond to treatment if adequately delivered. Design: Retrospective cohort data analysis. Methods: Forty-three young people with severe, treatment-resistant OCD (defined as Children's Yale-Brown Obsessive-Compulsive Scale [CY-BOCS] scores ≥30 and non-response to previous cognitive behaviour therapy [CBT] and selective serotonin reuptake inhibitors) were referred to a specialist clinic and completed a course of manualized CBT, with (N = 21) or without (N = 22) optimization of medication. A sub-sample (N = 15) completed a semi-structured interview to determine characteristics of their previous CBT; quality was assessed according to pre-determined criteria. Results: Specialist treatment was associated with significant reductions in OCD symptoms at post-treatment with gains maintained at 3-month follow-up. At the 3-month follow-up, 58% of patients showed a meaningful clinical response (≥35% drop on the CY-BOCS) and 22% were in remission (≤12 on the CY-BOCS). Patients whose medication was optimized tended (non-significantly) to have better responses. The quality of previous CBT was assessed in a sub-group of participants and rated as inadequate in 95.5% of cases. The most common inadequacy was insufficient focus on exposure techniques. Conclusions: These findings provide support for the notion that treatment non-response in routine practice may be due to technical treatment failures and highlight the need to disseminate good quality evidence-based treatment among this population. Research is also needed to understand factors that impede outcome to further improve response and remission rates.
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