Cost-effectiveness of sacral neuromodulation compared to botulinum neurotoxin A or continued medical management in refractory overactive bladder - Abstract

Hospital Universitario La Fe, Valencia, Spain.

This study assessed the cost-effectiveness and health-care budget impact of sacral neuromodulation (SNM) in refractory idiopathic OAB-wet patients in Spain.

A 10-year Markov analytic model was developed to estimate quality-adjusted life-years (QALYs) gained and incontinence episode avoided associated with SNM therapy compared with botulinum neurotoxin A (BoNT-A) or continued optimized medical treatment (OMT).

At 10 years, the cumulative costs of SNM, BoNT-A, and OMT were €29,166, €29,458, and €29,370, respectively, whereas the QALYs for SNM, BoNT-A, and OMT are 6.89, 6.38, and 5.12, respectively. Consequently, incremental cost-effectiveness ratios (ICERs) for SNM demonstrate that although the initial costs for SNM are higher than those for the other treatments, decreasing follow-up costs coupled with consistently greater effectiveness in the long term make SNM the economically dominant option at 10 years. Sensitivity analyses suggest that 99.7% and 99.9% (for SNM vs. BoNT-A and OMT, respectively) of the 1000 Monte Carlo iterations fall within the €30,000 cost-effectiveness threshold, considered to be acceptable in Spain. The 10-year incremental cost per incontinence episode avoided for SNM also makes this therapy the dominant option compared to BoNT-A or OMT. Additionally, the estimated budget impact of the gradually increased referral for SNM for the management of OAB patients in Spain is small.

As a treatment option for refractory idiopathic OAB, at 10 years, SNM provides a considerable possibility of symptom and quality-of-life improvement and is cost-effective compared to BoNT-A or continued OMT.

Written by:
Arlandis S, Castro D, Errando C, Fernández E, Jiménez M, González P, Crespo C, Staeuble F, Rodríguez JM, Brosa M.   Are you the author?

Reference: Value Health. 2011 Mar-Apr;14(2):219-28
doi: 10.1016/j.jval.2010.08.006

PubMed Abstract
PMID: 21402292

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