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J Med Econ. 2013;16(3):342-8. doi: 10.3111/13696998.2012.756398. Epub 2012 Dec 18.

Cost-effectiveness of omalizumab for uncontrolled allergic asthma in the Netherlands.

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1
United BioSource Corporation, London, UK.

Abstract

BACKGROUND:

Omalizumab, licensed for patients with uncontrolled persistent allergic (IgE mediated) asthma, was found to be cost-effective based upon its clinical trial data. Observational studies have been undertaken to determine the real life outcomes of using omalizumab in the community.

OBJECTIVE:

To determine the cost-effectiveness of omalizumab based upon observational data from the Netherlands and compare to its cost-effectiveness using clinical trial data.

METHODS:

An observational study (eXpeRience) recruited allergic asthma patients eligible for Omalizumab therapy and followed them while on treatment. At 1 year, data from the Dutch patients enrolled in eXpeRience were examined to estimate the number of exacerbations and resource use while on omalizumab therapy compared to the year prior to omalizumab use. Observational data were used in a Markov model to calculate the lifetime cost-effectiveness ratios.

RESULTS:

In the 1 year prior to omalizumab therapy the per-person rate of exacerbations was 3.39 compared to 1.07 in the year taking omalizumab. The discounted incremental lifetime additional costs for omalizumab were €55,865 for 1.46 additional quality-adjusted life years (QALY), resulting in €38,371/QALY. Using the INNOVATE clinical trial outcomes and current resource use, the prior ratio was €34,911/QALY, similar to the observational ratio. As in all observational studies, the main limitation is obtaining complete and accurate data. Patients with missing exacerbation or response data were excluded from this analysis.

CONCLUSION:

Non-clinical trial experience with omalizumab supported the finding of fewer exacerbations in the allergic asthma population while treated with omalizumab, and therapy was found to continue to have an attractive cost-effectiveness ratio.

PMID:
23216016
DOI:
10.3111/13696998.2012.756398
[Indexed for MEDLINE]
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