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1.
Artigo em Inglês | MEDLINE | ID: mdl-37381798

RESUMO

OBJECTIVE: Several risk prediction algorithms have been developed to guide antiviral therapy initiation among patients with chronic hepatitis B (CHB). This study assessed the cost-effectiveness and budget impact of three risk prediction algorithms among patients with CHB in Thailand. METHODS: A decision tree with a Markov model was constructed. Three risk prediction algorithms were compared with current practices including HePAA, TREAT-B and REACH-B. PubMed was searched from its inception to December 2022 to identify inputs. Tenofovir alafenamide and best supportive care were selected for antiviral-eligible patients, and incremental cost-effectiveness ratios per quality-adjusted life year (QALY) were calculated. RESULTS: Our base case analysis showed that HePAA and REACH-B could provide better QALY (0.098 for HePAA and 0.921 for REACH-B) with decreased total healthcare costs (-10909 THB for HePAA and -8,637 THB for REACH-B). TREAT-B provided worse QALY (-0.144) with increased total healthcare costs (10,435 THB). The budget impacts for HePAA and REACH-B were 387 million THB and 3,653 million THB, respectively. CONCLUSION: HePAA and REACH-B algorithms are cost-effective in guiding antiviral therapy initiation. REACH-B is the most cost-effective option, but has a high budget impact. Policymakers should consider both cost-effectiveness and budget impact findings when deciding which algorithm should be implemented.


Assuntos
Hepatite B Crônica , Humanos , Análise Custo-Benefício , Hepatite B Crônica/tratamento farmacológico , Tailândia , Anos de Vida Ajustados por Qualidade de Vida , Antivirais/uso terapêutico
2.
Appl Health Econ Health Policy ; 20(4): 587-596, 2022 07.
Artigo em Inglês | MEDLINE | ID: mdl-35141850

RESUMO

BACKGROUND: Nucleos(t)ide analogues (NAs) are the main drug category used in the treatment of chronic hepatitis B (CHB). There is a need to update the economic evaluation of CHB treatment. OBJECTIVE: This study aimed to determine the cost effectiveness of NAs for CHB in Thailand. METHOD: We used a lifetime Markov model undertaken from a societal perspective. Tenofovir disoproxil fumarate (TDF), tenofovir alafenamide fumarate (TAF), entecavir (ETV) with TDF or TAF as rescue medications, and lamivudine (LAM) with TDF or TAF rescue medications were compared with best supportive care (BSC). We performed a network meta-analysis to estimate the treatment effects of each NA on hepatitis B surface antigen (HBsAg) loss in an Asian population and performed an additional literature review to identify inputs. We calculated incremental cost-effectiveness ratios (ICERs) per quality-adjusted life-years (QALYs) and performed sensitivity analyses. RESULTS: Compared with BSC, all NAs could improve patients' QALYs, with results ranging from 4.04 to 4.25 QALYs gained. TAF, TDF, LAM/TAF, and LAM/TDF yielded lower total lifetime costs than BSC, ranging from - $US1387 to - 814, whereas ETV/TAF and ETV/TDF yielded higher total lifetime costs than BSC, ranging from $US4965 to 4971. The ICER was $US1230/QALY for ETV/TDF and $US1228/QALY for ETV/TAF. Full incremental analysis showed that the ICER for LAM/TAF was $US1720/QALY compared with TAF. CONCLUSION: At current prices, TAF, TDF, LAM/TAF, and LAM/TDF are dominant options, and ETV/TAF or ETV/TDF are cost-effective options. LAM/TAF is the most cost-effective option, followed by TAF.


Assuntos
Hepatite B Crônica , Organofosfonatos , Adenina/uso terapêutico , Antivirais/uso terapêutico , Análise Custo-Benefício , Hepatite B Crônica/tratamento farmacológico , Humanos , Organofosfonatos/uso terapêutico , Tenofovir/uso terapêutico , Tailândia , Resultado do Tratamento
3.
Int J Hepatol ; 2018: 5253623, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29568654

RESUMO

BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are the most widely used medication in several countries, including Thailand. NSAIDs have been associated with hepatic side effects; however, the frequency of these side effects is uncertain. AIM OF THE REVIEW: To systematically review published literature on randomized, controlled trials that assessed the risk of clinically significant hepatotoxicity associated with NSAIDs. METHODS: Searches of bibliographic databases EMBASE, PubMed, and the Cochrane Library were conducted up to July 30, 2016, to identify randomized controlled trials of ibuprofen, naproxen, diclofenac, piroxicam, meloxicam, mefenamic acid, indomethacin, celecoxib, and etoricoxib in adults with any disease that provide information on hepatotoxicity outcomes. RESULTS: Among the 698 studies, 18 studies met the selection criteria. However, only 8 studies regarding three NSAIDs (celecoxib, etoricoxib, and diclofenac) demonstrated clinically significant hepatotoxic evidence based on hepatotoxicity justification criteria. Of all the hepatotoxicity events found from the above-mentioned three NSAIDs, diclofenac had the highest proportion, which ranged from 0.015 to 4.3 (×10-2), followed by celecoxib, which ranged from 0.13 to 0.38 (×10-2), and etoricoxib, which ranged from 0.005 to 0.930 (×10-2). CONCLUSION: Diclofenac had higher rates of hepatotoxic evidence compared to other NSAIDs. Hepatotoxic evidence is mostly demonstrated as aminotransferase elevation, while liver-related hospitalization or discontinuation was very low.

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