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Health Economics Research Centre, Department of Public Health, University of Oxford and National Collaborating Centre for Mental Health (NCCMH), Centre for Outcomes, Research and Effectiveness, Sub-department of Clinical Psychology, University College London
Centre for Outcomes, Research and Effectiveness, Sub-department of Clinical Psychology, University College London and Camden and Islington Mental Health and Social Care Trust, London
Royal College of Psychiatrists Research Unit, London
Institute of Psychiatry, Kings College, London, UK
Correspondence: Dr Judit Simon, Health Economics Research Centre, Old Road Campus, Headington, Oxford OX3 7LF, UK. Tel: +44 (0) 1865 226692; fax: +44 (0) 1865 226842; email: judit.simon{at}dphpc.ox.ac.uk
Declaration of interest None. Funding detailed in Acknowledgements.
Background Treatment options for depression include antidepressants, psychological therapy and a combination of the two.
Aims To develop cost-effective clinical guidelines.
Method Systematic literature reviews were used to identify clinical, utility and cost data. A decision analysis was then conducted to compare the benefits and costs of antidepressants with combination therapy for moderate and severe depression in secondary care in the UK.
Results Over the 15-month analysis period, combination therapy resulted in higher costs and an expected 0.16 increase per person in the probability of remission and no relapse compared with antidepressants. The cost per additional successfully treated patient was £4056 (95% CI140018300); the cost per quality-adjusted life year gained was £5777 (95% CI190033 800) for severe depression and £14 540 (95% CI 480079 400) for moderate depression.
Conclusions Combination therapy is likely to be a cost-effective first-line secondary care treatment for severe depression. Its cost-effectiveness for moderate depression is more uncertain from current evidence. Targeted combination therapy could improve resource utilisation.
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