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KMID : 0191120220370130102
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Journal of Korean Medical Science
2022 Volume.37 No. 13 p.102 ~ p.102
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Effectiveness and Safety of Regdanvimab in Patients With Mild-To-Moderate COVID-19: A Retrospective Cohort Study
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Park Su-Sin
Je Nam-Kyung
Kim Dong-Wan
Park Mi-Ran
Heo Jeong-Hun
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Abstract
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Background: Regdanvimab has decreased the time to clinical recovery from coronavirus disease 2019 (COVID-19) and lowered the rate of oxygen therapy according to the results from phase 2/3 randomized controlled trial. More information is needed about the effects and safety of regdanvimab.
Methods: We analyzed data for patients with high-risk mild or moderate COVID-19 being admitted to Busan Medical Center between December 1, 2020 and April 16, 2021. A propensity score (PS) matched analysis was conducted to compare patients treated with and without regdanvimab. The primary outcome was in-hospital death or disease aggravation which means the need for oxygen therapy (low- or high-flow oxygen therapy and mechanical ventilation) and secondary outcomes comprised the length of hospital stay and adverse reactions.
Results: Among 1,617 selected patients, 970 (60.0%) were indicated for regdanvimab. Of these, 377 (38.9%) were administered with regdanvimab. Among a 1:1 PS-matched cohort of 377 patients each treated with and without regdanvimab, 19 (5%) and 81 (21.5%) reached the composite outcome of death, or disease aggravation, respectively (absolute risk difference, ?16.4%; 95% confidence interval [CI], ?21.1, ?11.7; relative risk difference, 76.5%; P < 0.001). Regdanvimab significantly reduced the composite outcome of death, or disease aggravation in univariate (odds ratio [OR], 0.194; 95% CI, 0.112?0.320; P < 0.001) and multivariable-adjusted analyses (OR, 0.169; 95% CI, 0.095?0.289; P < 0.001). The hospital stay was shorter for the group with than without regdanvimab. Some hematological adverse reactions were more frequent in the group without regdanvimab, but other adverse reactions did not significantly differ between the groups.
Conclusion: Regdanvimab was associated with a significantly lower risk of disease aggravation without increasing adverse reactions.
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KEYWORD
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Regdanvimab, Monoclonal, Antibody, Mild-to-Moderate, COVID-19, Effectiveness
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