OBJECTIVE: This analysis assesses the cost-effectiveness of memantine for the treatment of moderate-to-severe Alzheimer's disease (AD) in the UK. METHODS: This cost-utility analysis was based on a Markov model. The model simulated 5-year progress of patients with AD until they need full-time care (FTC), defined as a patient becoming either dependent or institutionalised. Transition probabilities were based on a predictive equation, derived from the London and South-East Region epidemiological study. Resource use, utilities and mortality were obtained from the same study. Memantine efficacy was based on a meta-analysis of six large trials. The model compared memantine to its alternative in the UK, i.e. no pharmacological treatment or background therapy with acetylcholinesterase inhibitors. RESULTS: Memantine was found to delay the need to FTC by 6 weeks compared with current practice in the UK. It was associated with increased quality-adjusted life-years and cost savings to the healthcare system (probability of this outcome was 96%). The projections were made assuming that benefits from the 6-month treatment were sustained over time, which is regarded as the main limitation. The model underwent extensive sensitivity analyses, which confirmed the base-case findings. CONCLUSIONS: The model suggests that memantine delays the need for FTC and decreases cost. It can be regarded as a cost-effective choice in the management of moderate and severe AD.
        
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Rive B, Grishchenko M, Guilhaume-Goulant C, Katona C, Livingston G, Lamure M, Toumi M, Francois C (2010) Cost effectiveness of memantine in Alzheimer's disease in the UK J Med Econ13: 371-80
Rive B, Grishchenko M, Guilhaume-Goulant C, Katona C, Livingston G, Lamure M, Toumi M, Francois C (2010) J Med Econ13: 371-80