Design and protocol for the Focusing on Clozapine Unresponsive Symptoms (FOCUS) trial: a randomised controlled trial
Melissa Pyle, John Norrie, Matthias Schwannauer, David Kingdon, Andrew Gumley, Douglas Turkington, Rory Byrne, Suzy Syrett, Graeme MacLennan, Robert Dudley, Hamish J. McLeod, Helen Griffiths, Samantha Bowe, Thomas R. E. Barnes, Paul French, Paul Hutton, Linda Davies and Anthony P. Morrison Full Article Abstract Background For around a third of people with a diagnosis of schizophrenia, the condition proves to respond poorly to treatment with many typical and atypical antipsychotics. This is commonly referred to as treatment-resistant schizophrenia. Clozapine is the only antipsychotic with convincing efficacy for people whose symptoms are considered treatment-resistant to antipsychotic medication. However, 30–40 % of such conditions will have an insufficient response to the drug. Cognitive behavioural therapy has been shown to be an effective treatment for schizophrenia when delivered in combination with antipsychotic medication, with several meta-analyses showing robust support for this approach. However, the evidence for the effectiveness of cognitive behavioural therapy for...