Year 2017 / Volume 109 / Number 9
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Year 2017 / Volume 109 / Number 9

Original

Cost-effectiveness of a hepatitis B virus screening strategy to prevent reactivation in patients with hematologic neoplasms

619-626

Javier Crespo, Rafael Esteban, Covadonga Torres, Itziar Oyagüez, Miguel Ángel Casado, María Buti,

Introduction: The effectiveness of a screening strategy for the detection of a hepatitis B virus (HBV) infection followed by prophylaxis in order to prevent HBV reactivation was assessed in patients with hematologic neoplasms. Material and methods: A decision tree was developed to compare the cost and effectiveness (prevented reactivations) over an 18 month period of a screening strategy prior to chemotherapy with R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine and prednisone) with a non-screening approach. HBsAg+ (hepatitis B surface antigen) and/or anti-HBc+ (antibodies to hepatitis B core antigen) and HBV-DNA+ patients received oral antiviral prophylaxis with tenofovir disoproxil (245 mg once daily) from chemotherapy baseline until one year after chemotherapy completion. Non-screened patients received tenofovir in case of a reactivation. Model probabilities were obtained from the literature. The total cost (€, 2015) included: antiviral prophylaxis, R-CHOP, screening tests (HBsAg, anti-HBc, HBV-DNA) and liver function tests. Drug therapy costs were estimated using ex-factory prices with mandatory deductions. The incremental cost-effectiveness ratio (ICER) was calculated in order to assess the cost-effectiveness of this intervention in terms of cost per reactivation averted versus no screening. Results: In a hypothetical cohort of 1,000 patients, screening prevented 7.36 reactivations when compared to the non-screening approach (14.9 versus 22.3). Total cost/patient (including €8,282 for R-CHOP) was €8,584 for the screening strategy and €8,449 for the non-screening approach. The ICER for screening versus non-screening was €18,376/prevented reactivation. Conclusion: HBV screening followed by oral antiviral prophylaxis yielded more health benefits than non-screening, reducing HBV reactivation in patients with hematologic neoplasms on chemotherapy.

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Asociación Española de Ecografía Digestiva Sociedad Española de Endoscopia Digestiva Sociedad Española de Patología Digestiva
La REED es el órgano oficial de la Sociedad Española de Patología Digestiva, la Sociedad
Española de Endoscopia Digestiva y la Asociación Española de Ecografía Digestiva
© 2018 Revista Española de Enfermedades Digestivas