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논문 기본 정보

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학술저널
저자정보
Kim Dong-Hwi (Patient Management Team, Centrol Headquarters of COVID-19, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea) Yoo Min-Gyu (Patient Management Team, Central Disease Control Headquarters for COVID-19, Korea Disease Control and Prevention Agency, Cheongju, Korea.Division of Public Health Emergency Response Research) Kim Na-Young (Division of Emerging Infectious Disease, Bureau of Infectious Disease Risk Response, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea) Choi So Young (Division of Public Health Emergency Response Research, Bureau of Public Health Emergency Preparedness, Korea Disease Control and Prevention Agency, Cheongju, Korea.) Jang Minjeong (Data Analysis Team, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea) An Misuk (Data Analysis Team, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea) Jeong Se-Jin (Data Analysis Team, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea) Kim Jungyeon (Division of Emerging Infectious Disease, Bureau of Infectious Disease Risk Response, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea)
저널정보
질병관리본부 Osong Public Health and Research Persptectives Osong Public Health and Research Perspectives Vol.15 No.2
발행연도
2024.4
수록면
137 - 149 (13page)
DOI
10.24171/j.phrp.2023.0230

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Objectives: This study was conducted to assess the efficacy of nirmatrelvir/ritonavir treatment in patients with coronavirus disease 2019 (COVID-19), particularly those aged 60 years and older. Using real-world data, the period during which the BN.1 Omicron variant was dominant was compared to the period dominated by the BA.5 variant.Methods: In this retrospective cohort study, data were collected regarding 2,665,281 patients infected with severe acute respiratory syndrome coronavirus 2 between July 24, 2022, and March 31, 2023. Propensity score matching was utilized to match patients who received nirmatrelvir/ritonavir in a 1:4 ratio between BN.1 and BA.5 variant groups. Multivariable logistic regression analysis was employed to assess the effects of nirmatrelvir/ritonavir within these groups.Results: Compared to the prior period, the efficacy of nirmatrelvir/ritonavir did not significantly differ during the interval of Omicron BN.1 variant dominance in the Republic of Korea. Among patients treated with nirmatrelvir/ritonavir, a significantly lower risk of mortality was observed in the BN.1 group (odds ratio [OR], 0.698; 95% confidence interval [CI], 0.557–0.875) compared to the BA.5 group. However, this treatment did not significantly reduce the risk of severe or critical illness, including death, for those in the BN.1 group (OR, 0.856; 95% CI, 0.728–1.007).Conclusion: Nirmatrelvir/ritonavir has maintained its effectiveness against COVID-19, even with the emergence of the BN.1 Omicron subvariant. Consequently, we strongly recommend the administration of nirmatrelvir/ritonavir to patients exhibiting COVID-19-related symptoms, irrespective of the dominant Omicron variant or their vaccination status, to mitigate disease severity and decrease the risk of mortality.

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