Since the declaration of COVID-19 as a pandemic in 2020, several therapies have been developed to reduce symptoms of COVID-19 infection and prevent progression. Paxlovid is an antiviral that was authorized for emergency use in December 2021 for non-hospitalized symptomatic patients with COVID-19 to prevent progression to severe disease. Relapse of symptoms following a period of improvement after treatment with Paxlovid has been described recently. Data are limited, but the disease course in available case reports is usually mild and requires no additional antiviral treatment. We present the cases of COVID-19 relapse (COVID-19 rebound) in two patients following treatment with Paxlovid.
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http://dx.doi.org/10.7759/cureus.26239 | DOI Listing |
PLoS One
September 2024
City of Hope Comprehensive Cancer Center and the Beckman Research Institute, Duarte, California, United States of America.
Introduction: In May 2022, the Centers for Disease Control and Prevention disseminated an alert advising that "a few" persons with Nirmatrelvir/ritonavir (NM/R)-associated rebound of COVID-19 infection had been identified. Three case reports appearing as pre-print postings described the first cases. Analyses in March 2023 by NM/R's manufacturer and the Food and Drug Administration (FDA) reported no association between NM/R and COVID-19 rebound in a large phase 3 randomized clinical trial.
View Article and Find Full Text PDFJ Infect Dev Ctries
August 2024
Department of Cardiology, Shidong Hospital, Yangpu District, Shidong Hospital affiliated to University of Shanghai for Science and Technology, 999 Shiguang Road, Shanghai 200438, China.
BMC Infect Dis
September 2024
Robert J. Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, 710 N Lake Shore Drive, Chicago, IL, 60611, USA.
Background: Nirmatrelvir/ritonavir (NM/r) is a safe and effective oral antiviral therapeutic used for treatment of mild-to-moderate COVID-19. Case reports described a clinical rebound syndrome whereby individuals experience a relapse of symptoms shortly after completing successful treatment. There is a lack of information on frequency of COVID-19 rebound after NM/r in routine clinical care, contributing factors, and clinical outcomes.
View Article and Find Full Text PDFBlood Transfus
November 2024
National Blood Centre, Italian National Institute of Health, Rome, Italy.
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