Cost per responder for vedolizumab and ustekinumab in Crohn’s disease patients after failure of TNF-α inhibitors in Italy
DOI:
https://doi.org/10.33393/ao.2023.2515Keywords:
Cost per responder, Crohn’s disease, Italian NHS, TNF-α inhibitors, Ustekinumab, VedolizumabAbstract
Background: The aim of this economic evaluation was to compare the cost per responder between vedolizumab and ustekinumab in patients with Crohn’s disease (CD) after failure of tumor necrosis factor-α inhibitors in Italy.
Methods: Clinical efficacy was assessed using the results of an Italian large multicentre observational retrospective cohort study. The aim of the study was to compare the effectiveness of ustekinumab and vedolizumab as second line therapy in Crohn’s disease patients in which tumour necrosis factor-α inhibitors failed. Clinical efficacy of vedolizumab and ustekinumab was measured by clinical response and clinical remission. Treatment costs were based on the number of administrations at 26 or 52 weeks. Cost per responder, based on clinical efficacy and clinical response, was used as a cost-effectiveness indicator.
Results: Regardless of the clinical efficacy measure used and the treatment duration considered, the cost per responder was consistently lower for vedolizumab compared with ustekinumab on all clinical measures. Considering the clinical response, the cost per responder at 26 weeks was € 15,640 for vedolizumab and € 23,667 for ustekinumab and at 52 weeks was € 23,927 for vedolizumab and € 30,820 for ustekinumab. Considering the clinical remission, the cost per responder at 26 weeks was € 22,832 for vedolizumab and € 33,786 for ustekinumab and at 52 weeks was € 29,488 for vedolizumab and € 46,847 for ustekinumab. Sensitivity analysis confirmed the validity of results.
Conclusion: These results suggest that vedolizumab is a cost-effective option compared with ustekinumab from the perspective of the Italian health service in patients with CD after failure of TNF-α inhibitors.
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Copyright (c) 2023 Roberto Ravasio, Raffaella Viti, Antonio Saverio Roscini
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Accepted 2022-12-07
Published 2023-01-16
