c337711036072b5a447c78853ff66820 300085.pdf c68ec1e02cd92ad79b3f70dd19424abe0241b234 300085.pdf 6d0bd4780cffe319e3d9ddb0f3943d102381aad96e6860349d69f093ee79b9a5 300085.pdf Title: Remdesivir or Nirmatrelvir/Ritonavir Therapy for Omicron SARS-CoV-2 Infection in Hematological Patients and Cell Therapy Recipients Subject: Background: Scarce data exist that analyze the outcomes of hematological patients with SARS-CoV-2 infection during the Omicron variant period who received treatment with remdesivir or nirmatrelvir/ritonavir. Methods: This study aims to address this issue by using a retrospective observational registry, created by the Spanish Hematopoietic Stem Cell Transplantation and Cell Therapy Group, spanning from 27 December 2021 to 30 April 2023. Results: This study included 466 patients, 243 (52%) who were treated with remdesivir and 223 (48%) with nirmatrelvir/ritonavir. Nirmatrelvir/ritonavir was primarily used for mild cases, resulting in a lower COVID-19-related mortality rate (1.3%), while remdesivir was preferred for moderate to severe cases (40%), exhibiting a higher mortality rate (9%). A multivariate analysis in the remdesivir cohort showed that male gender (odds ratio (OR) 0.35, p = 0.042) correlated with a lower mortality risk, while corticosteroid use (OR 9.4, p < 0.001) and co-infection (OR 2.8, p = 0.047) were linked to a higher mortality risk. Prolonged virus shedding was common, with 52% of patients shedding the virus for more than 25 days. In patients treated with remdesivir, factors associated with prolonged shedding included B-cell malignancy as well as underlying disease, severe disease, a later onset of and shorter duration of remdesivir treatment and a higher baseline viral load. Nirmatrelvir/ritonavir demonstrated a comparable safety profile to remdesivir, despite a higher risk of drug interactions. Conclusions: Nirmatrelvir/ritonavir proved to be a safe and effective option for treating mild cases in the outpatient setting, while remdesivir was preferred for severe cases, where corticosteroids and co-infection significantly predicted worse outcomes. Despite antiviral therapy, prolonged shedding remains a matter of concern. Keywords: remdesivir; nirmatrelvir/ritonavir; molnupiravir SARS-CoV-2 vaccines; Omicron;respiratory virus; hematological malignancies; allogeneic stem cell transplantation; autologous stem cell transplantation; COVID-19; mRNA vaccine; immunocompromised patients Author: José Luis Piñana, Inmaculada Heras, Tommaso Francesco Aiello, Irene García-Cadenas, Lourdes Vazquez, Javier Lopez-Jimenez, Pedro Chorão, Cristina Aroca, Carolina García-Vidal, Ignacio Arroyo, Eva Soler-Espejo, Lucia López-Corral, Alejandro Avendaño-Pita, Anna Arrufat, Valentín Garcia-Gutierrez, Elena Arellano, Lorena Hernández-Medina, Clara González-Santillana, Julia Morell, José Ángel Hernández-Rivas, Paula Rodriguez-Galvez, Mireia Mico-Cerdá, Manuel Guerreiro, Diana Campos, David Navarro, Ángel Cedillo, Rodrigo Martino and Carlos Solano Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Sun Oct 8 10:42:21 2023 CEST ModDate: Sun Oct 8 10:46:39 2023 CEST Custom Metadata: no Metadata Stream: no Tagged: no 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Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 348 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: section.1 Item: Title: Patients and Methods Destination: section.2 Children: Item: Title: Study Population Destination: subsection.2.1 Item: Title: Inclusion Criteria, Variables of Interest and Clinical and Virological Monitoring Destination: subsection.2.2 Item: Title: Definitions Destination: subsection.2.3 Item: Title: Endpoints and Statistical Analysis Destination: subsection.2.4 Item: Title: Results Destination: section.3 Children: Item: Title: Patient Characteristics Destination: subsection.3.1 Item: Title: Characteristics of SARS-CoV-2 Infection and Efficacy According to the Type of Antiviral Used Destination: subsection.3.2 Item: Title: Univariate and Multivariate Analyses for Mortality Destination: subsection.3.3 Item: Title: Cause of Death Destination: subsection.3.4 Item: Title: Prolonged Shedding Destination: subsection.3.5 Item: Title: Antiviral Effect According to the Antiviral Drug Destination: subsection.3.6 Item: Title: Tolerability of Antiviral Drugs Destination: subsection.3.7 Item: Title: Discussion Destination: section.4 Item: Title: Conclusions Destination: section.5 Item: Title: References Destination: section.6 Info: Title: Remdesivir or Nirmatrelvir/Ritonavir Therapy for Omicron SARS-CoV-2 Infection in Hematological Patients and Cell Therapy Recipients Author: José Luis Piñana, Inmaculada Heras, Tommaso Francesco Aiello, Irene García-Cadenas, Lourdes Vazquez, Javier Lopez-Jimenez, Pedro Chorão, Cristina Aroca, Carolina García-Vidal, Ignacio Arroyo, Eva Soler-Espejo, Lucia López-Corral, Alejandro Avendaño-Pita, Anna Arrufat, Valentín Garcia-Gutierrez, Elena Arellano, Lorena Hernández-Medina, Clara González-Santillana, Julia Morell, José Ángel Hernández-Rivas, Paula Rodriguez-Galvez, Mireia Mico-Cerdá, Manuel Guerreiro, Diana Campos, David Navarro, Ángel Cedillo, Rodrigo Martino and Carlos Solano Subject: Background: Scarce data exist that analyze the outcomes of hematological patients with SARS-CoV-2 infection during the Omicron variant period who received treatment with remdesivir or nirmatrelvir/ritonavir. Methods: This study aims to address this issue by using a retrospective observational registry, created by the Spanish Hematopoietic Stem Cell Transplantation and Cell Therapy Group, spanning from 27 December 2021 to 30 April 2023. Results: This study included 466 patients, 243 (52%) who were treated with remdesivir and 223 (48%) with nirmatrelvir/ritonavir. Nirmatrelvir/ritonavir was primarily used for mild cases, resulting in a lower COVID-19-related mortality rate (1.3%), while remdesivir was preferred for moderate to severe cases (40%), exhibiting a higher mortality rate (9%). A multivariate analysis in the remdesivir cohort showed that male gender (odds ratio (OR) 0.35, p = 0.042) correlated with a lower mortality risk, while corticosteroid use (OR 9.4, p < 0.001) and co-infection (OR 2.8, p = 0.047) were linked to a higher mortality risk. Prolonged virus shedding was common, with 52% of patients shedding the virus for more than 25 days. In patients treated with remdesivir, factors associated with prolonged shedding included B-cell malignancy as well as underlying disease, severe disease, a later onset of and shorter duration of remdesivir treatment and a higher baseline viral load. Nirmatrelvir/ritonavir demonstrated a comparable safety profile to remdesivir, despite a higher risk of drug interactions. Conclusions: Nirmatrelvir/ritonavir proved to be a safe and effective option for treating mild cases in the outpatient setting, while remdesivir was preferred for severe cases, where corticosteroids and co-infection significantly predicted worse outcomes. Despite antiviral therapy, prolonged shedding remains a matter of concern. Keywords: remdesivir; nirmatrelvir/ritonavir; molnupiravir SARS-CoV-2 vaccines; Omicron;respiratory virus; hematological malignancies; allogeneic stem cell transplantation; autologous stem cell transplantation; COVID-19; mRNA vaccine; immunocompromised patients Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Sun Oct 08 10:42:21 CEST 2023 ModDate: Sun Oct 08 10:46:39 CEST 2023 ID: 0x30236f258fb8e0d8a24610fa23c3b9e9, 0x30236f258fb8e0d8a24610fa23c3b9e9 Filters: FilterPipeline: FlateDecode Fonts: Type1: Font: BaseFont: TSEGZF+PazoMath-Bold FontSubset: true FirstChar: 87 LastChar: 87 FontDescriptor: FontName: TSEGZF+PazoMath-Bold Flags: Symbolic FontBBox: -10, -266, 829, 695 FontFile: true Font: BaseFont: XXOAEV+URWPalladioL-Roma FontSubset: true FirstChar: 2 LastChar: 252 FontDescriptor: FontName: XXOAEV+URWPalladioL-Roma Flags: Symbolic FontBBox: -166, -283, 1021, 943 FontFile: true EncodingDictionary: Differences: true Font: BaseFont: YSZATT+CMSY10 FontSubset: true 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