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Value Health Reg Issues. 2020 Jan 21;21:164-171. doi: 10.1016/j.vhri.2019.09.005. [Epub ahead of print]

Cost-Effectiveness Analysis of Ombitasvir/Paritaprevir/Ritonavir and Dasabuvir with or without Ribavirin Regimen for Patients Infected with Chronic Hepatitis C Virus Genotype 1 in Malaysia.

Author information

1
School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Penang, Malaysia. Electronic address: aakmal@usm.my.
2
Medical Department, Hospital Sultanah Bahiyah, Alor Setar, Kedah Malaysia.
3
School of Pharmaceutical Sciences, Universiti Sains Malaysia, Gelugor, Penang, Malaysia.
4
Medicus Economics LLC, Milton, MA, USA.
5
AbbVie Inc., Health Economics and Outcomes Research, North Chicago, IL, USA.

Abstract

OBJECTIVES:

The combination of pegylated-interferon and ribavirin (PegIFN+RBV) is currently the gold standard in treating chronic hepatitis C virus (HCV) patients in Malaysia and is reimbursed by the Malaysian authorities. This analysis evaluated the cost-effectiveness (CE) of the ombitasvir/paritaprevir/ritonavir and dasabuvir with or without ribavirin (OBT/PTV/r+DSB±RBV) regimen as compared with the PegIFN+RBV or no treatment in chronic HCV Genotype 1 (GT1) treatment-naïve and treatment-experienced cirrhotic and noncirrhotic patients in Malaysia.

METHODS:

A Markov model based on previously published CE models of HCV was adapted for the Malaysian public healthcare payer perspective, based on good modeling practices. Treatment attributes included efficacy, regimen duration, and EQ-5D treatment-related health utility. Transitional probabilities and health state health utilities were derived from previous studies. Costs were derived from Malaysian data sources. Costs and outcomes were discounted at 3.0% per year. Deterministic and probabilistic sensitivity analyses were performed to evaluate the impact of uncertainties around key variables.

RESULTS:

Based on the analysis, patients treated with the OBT/PTV/r+DSB±RBV showed less frequent progression to compensated cirrhosis, decompensated cirrhosis, hepatocellular carcinoma, and liver-related deaths when compared with standard care (ie, PegIFN+RBV or no treatment). At a price of MYR 1846/day, the OBT/PTV/r+DSB±RBV regimen is cost-effective over PegIFN+RBV and yields better outcomes in terms of life-years (LYs) gained and quality-adjusted life-years (QALYs) at a higher cost, which is still well below the implied willingness to pay threshold of MYR 384 503/QALY.

CONCLUSION:

The OBT/PTV/r+DSB±RBV regimen is cost-effective for treatment naïve, treatment experienced, cirrhotic, and noncirrhotic GT1 chronic HCV patients in Malaysia.

KEYWORDS:

cost-effectiveness analysis; genotype 1; hepatitis C virus; quality-adjusted life-year; sensitivity analysis

PMID:
31978690
DOI:
10.1016/j.vhri.2019.09.005

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