• Health Technol Assess · May 2011

    Review

    Omalizumab for the treatment of severe persistent allergic asthma in children aged 6-11 years.

    • S Walker, J Burch, C McKenna, K Wright, S Griffin, and N Woolacott.
    • Centre for Reviews and Dissemination, University of York, York, UK. simon.walker@york.ac.uk
    • Health Technol Assess. 2011 May 1; 15 Suppl 1: 13-21.

    AbstractThis paper presents a summary of the evidence review group report into the clinical effectiveness and cost-effectiveness of omalizumab for the treatment of severe persistent asthma in children aged 6-11 years, based upon the evidence submission from Novartis Pharmaceutical UK Ltd to the National Institute for Health and Clinical Excellence (NICE) as part of the single technology appraisal process. The manufacturer's submission was generally considered to be of good quality. The submission was based primarily on a preplanned subgroup IA-05 EUP (European Union Population) from the IA-05 trial, with outcomes including the number of clinically significant (CS) and clinically significant severe (CSS) exacerbations. Omalizumab therapy was associated with a statistically significant reduction in the rate of CS exacerbations, but the reduction in the rate of CSS exacerbations was not statistically significant. The benefit in terms of CS exacerbations was achieved mainly in patients with more than three exacerbations per year at baseline. The manufacturer found no previous published cost-effectiveness studies of omalizumab in children aged 6-11 years, so their de novo economic evaluation formed the basis of the submitted economic evidence. The economic model was considered appropriate for the decision problem. The results from the model indicated that omalizumab in addition to standard therapy compared with standard therapy alone did not appear cost-effective in either the overall population or a subgroup of patients hospitalised in the year prior to enrollment, with incremental cost-effectiveness ratios of £ 91,169 and £ 65,911 per quality-adjusted life-year, respectively. These findings were found to be robust across a wide range of alternative assumptions through one-way sensitivity analyses. The guidance issued by NICE states that omalizumab is not recommended for the treatment of severe persistent allergic asthma in children aged 6-11 years.

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