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논문 기본 정보

자료유형
학술저널
저자정보
Suh Jiyeon (School of Mathematics and Computing (Computational Science and Engineering) Yonsei University Seoul) Kim Jung Ho (Department of Internal Medicine and AIDS Research Institute Yonsei University College of Medicine S) Kim Jong-Dae (Department of General Surgery Bestian Woosong Hospital Daejeon Korea.) Kim Changsoo (Department of Preventive Medicine Yonsei University College of Medicine Seoul Korea.) Choi Jun Yong (Department of Internal Medicine and AIDS Research Institute Yonsei University College of Medicine S) Lee Jeehyun (School of Mathematics and Computing Yonsei University Seoul Korea.) Yeom Joon-Sup (Department of Internal Medicine and AIDS Research Institute Yonsei University College of Medicine S)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.37 No.27
발행연도
2022.7
수록면
1 - 14 (14page)
DOI
10.3346/jkms.2022.37.e212

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Background: Plasmodium vivax malaria has a persistent liver stage that causes relapse, and introducing tafenoquine to suppress relapse could aid in disease eradication. Therefore, we assessed the impact of tafenoquine introduction on P. vivax malaria incidence and performed a cost-benefit analysis from the payer’s perspective. Methods: We expanded the previously developed P. vivax malaria dynamic transmission model and calibrated it to weekly civilian malaria incidences in 2014?2018. Primaquine and tafenoquine scenarios were considered by assuming different relapse probabilities, and relapse and total P. vivax malaria cases were predicted over the next decade for each scenario. We then estimated the number of cases prevented by replacing primaquine with tafenoquine. The cost and benefit of introducing tafenoquine were obtained using medical expenditure from a nationwide database, and a cost-benefit analysis was conducted. A probabilistic sensitivity analysis was performed to assess the economic feasibility robustness of tafenoquine introduction under uncertainties of model parameters, costs, and benefits. Results: Under 0.04 primaquine relapse probability, the introduction of tafenoquine with relapse probability of 0.01 prevented 129 (12.27%) and 35 (77.78%) total and relapse cases, respectively, over the next decade. However, under the same relapse probability as primaquine, introducing tafenoquine had no additional preventative effect. The 14- day primaquine treatment cost was $3.71. The tafenoquine and the glucose-6-phosphate dehydrogenase rapid diagnostic testing cost $57.37 and $7.76, totaling $65.13. The average medical expenditure per malaria patient was estimated at $1444.79. The cost-benefit analysis results provided an incremental benefit-cost ratio (IBCR) from 0 to 3.21 as the tafenoquine relapse probability decreased from 0.04 to 0.01. The probabilistic sensitivity analysis showed an IBCR > 1, indicating that tafenoquine is beneficial, with a probability of 69.1%. Conclusion: Tafenoquine could reduce P. vivax malaria incidence and medical costs and bring greater benefits than primaquine.

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