Cost-utility of dalbavancin in patients with non-severe ABSSSI in Italy
Keywords:Cost-effectiveness analysis, Cost-utility analysis, Dalbavancin, Staphylococcal skin diseases
Introduction: Acute Bacterial Skin and Skin Structure Infections (ABSSSIs) include all complicated skin and soft tissue infections. The aim of this study was to conduct a cost-utility analysis to compare dalbavancin with standard antibiotic therapies for the management of non-severe ABSSSIs from the National Health Service (NHS) perspective.
Methods: A probabilistic decision tree model was developed considering a 30-days follow-up to simulate the therapeutic pathway of a patient treated with dalbavancin or Standard of Care (SoC). The model considered three mutually exclusive health states: a) discharge of patients from the emergency department, b) discharge of patients after one night from admission, c) discharge after 24 or 36 hours from admission. A one-way deterministic sensitivity analysis and a probabilistic sensitivity analysis were conducted.
Results: The analysis showed that the use of dalbavancin in patients with non-severe ABSSSI compared to SoC could generate a reduction in costs (– € 291.6 per patient treated) and an increase in QALYs (+0.0018 per patient treated). In 99.7% of the simulations carried out, dalbavancin was dominant compared to the SoC. Considering a threshold for the willingness to pay of € 30,000 for QALY gained, the minimum level of efficacy of dalbavancin so that the treatment can be considered cost-effective compared to the SoC was equal to 69.4%.
Conclusions: The analysis showed that dalbavancin may represent a cost-effective option compared to SoC for the treatment of patients with non-severe ABSSSI.
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