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Fostamatinib for Hospitalized Adults With COVID-19 and Hypoxemia

Collins et al., JAMA Network Open, doi:10.1001/jamanetworkopen.2024.48215, NCT04924660
Dec 2024  
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Mortality -44% Improvement Relative Risk WHO scale -39% Fostamatinib  Collins et al.  LATE TREATMENT  DB RCT Is late treatment with fostamatinib beneficial for COVID-19? Double-blind RCT 400 patients in the USA (November 2021 - September 2023) Higher mortality (p=0.31) and worse 7-point scale results (p=0.091), not sig. c19early.org Collins et al., JAMA Network Open, Dec 2024 Favorsfostamatinib Favorscontrol 0 0.5 1 1.5 2+
RCT 400 hospitalized COVID-19 patients with hypoxemia showing no significant benefit with fostamatinib compared to placebo. There was no significant difference in the primary outcome of oxygen-free days (mean 13.4 vs. 14.2 days, AOR 0.82) or 28-day mortality (11.3% vs. 8.1%, AOR 1.44). Fostamatinib was associated with a higher incidence of elevated aspartate aminotransferase (11.6% vs. 5.5%, AOR 2.28).
risk of death, 44.0% higher, OR 1.44, p = 0.31, treatment 199, control 201, adjusted per study, RR approximated with OR.
WHO scale, 39.0% higher, OR 1.39, p = 0.09, treatment 199, control 201, adjusted per study, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Collins et al., 3 Dec 2024, Double Blind Randomized Controlled Trial, placebo-controlled, USA, peer-reviewed, 298 authors, study period 17 November, 2021 - 27 September, 2023, trial NCT04924660 (history).
This PaperMiscellaneousAll
DOI record: { "DOI": "10.1001/jamanetworkopen.2024.48215", "ISSN": [ "2574-3805" ], "URL": "http://dx.doi.org/10.1001/jamanetworkopen.2024.48215", "abstract": "<jats:sec><jats:title>Importance</jats:title><jats:p>Fostamatinib, a spleen tyrosine kinase inhibitor, has been reported to improve outcomes of COVID-19.</jats:p></jats:sec><jats:sec><jats:title>Objective</jats:title><jats:p>To evaluate the efficacy and safety of fostamatinib in adults hospitalized with COVID-19 and hypoxemia.</jats:p></jats:sec><jats:sec><jats:title>Design, Setting, and Participants</jats:title><jats:p>This multicenter, phase 3, placebo-controlled, double-blinded randomized clinical trial was conducted at 41 US sites and 21 international sites between November 17, 2021, and September 27, 2023; the last follow-up visit was December 31, 2023. Participants were adults aged 18 years or older hospitalized with acute SARS-CoV-2 infection and hypoxemia. Data were analyzed between January 10 and March 8, 2024.</jats:p></jats:sec><jats:sec><jats:title>Interventions</jats:title><jats:p>Fostamatinib, 150 mg orally twice daily for 14 days, or placebo.</jats:p></jats:sec><jats:sec><jats:title>Main Outcomes and Measures</jats:title><jats:p>The primary outcome was oxygen-free days, an ordinal outcome classifying a participant’s status at day 28 based on mortality and duration of supplemental oxygen use. An adjusted odds ratio (AOR) greater than 1.0 was considered to indicate superiority of fostamatinib over placebo. A key secondary outcome was 28-day all-cause mortality. Safety outcomes included elevated transaminase values, neutropenia, and hypertension.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>Of the 400 participants randomized (median age, 67 years [IQR, 58-76 years]; 210 [52.5%] men), 199 received fostamatinib and 201 received placebo. The mean (SD) number of oxygen-free days was 13.4 (12.4) in the fostamatinib group and 14.2 (12.1) in the placebo group (unadjusted mean difference, −1.26 days [95% CI, −3.52 to 1.00 days]; AOR, 0.82 [95% credible interval (CrI), 0.58-1.17]). Mortality at 28 days occurred in 22 of 195 patients (11.3%) in the fostamatinib group and 16 of 197 (8.1%) in the placebo group (AOR, 1.44; 95% CrI, 0.72-2.90). Aspartate aminotransferase elevation occurred more commonly in the fostamatinib group (23 [11.6%]) than in the placebo group (11 [5.5%]; AOR, 2.28; 95% CrI, 1.07-4.84). Other safety outcomes were similar between groups.</jats:p></jats:sec><jats:sec><jats:title>Conclusions and Relevance</jats:title><jats:p>In this randomized clinical trial of adults hospitalized with COVID-19 and hypoxemia, fostamatinib did not increase the number of oxygen-free days compared with placebo. These results do not support the hypothesis that fostamatinib improves outcomes among adults hospitalized with hypoxemia during the Omicron era.</jats:p></jats:sec><jats:sec><jats:title>Trial Registration</jats:title><jats:p>ClinicalTrials.gov Identifier: <jats:ext-link xmlns:xlink=\"http://www.w3.org/1999/xlink\" ext-link-type=\"uri\" xlink:href=\"https://clinicaltrials.gov/study/NCT04924660\">NCT04924660</jats:ext-link></jats:p></jats:sec>", "author": [ { "affiliation": [ { "name": "Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, Tennessee" }, { "name": "Veterans Affairs Tennessee Valley Healthcare System, Geriatric Research, Education and Clinical Center, Nashville, Tennessee" } ], "family": "Collins", "given": "Sean P.", "sequence": "first" }, { "affiliation": [ { "name": "Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee" } ], "family": "Shotwell", "given": "Matthew S.", "sequence": "additional" }, { "affiliation": [ { "name": "Critical Care Medicine Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland" } ], "family": "Strich", "given": "Jeffrey R.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Wake Forest University, Winston-Salem, North Carolina" } ], "family": "Gibbs", "given": "Kevin W.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Virginia Commonwealth University, Richmond" } ], "family": "de Wit", "given": "Marjolein", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Wake Forest University, Winston-Salem, North Carolina" } ], "family": "Files", "given": "D. Clark", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Internal Medicine, University of New Mexico, Albuquerque" } ], "family": "Harkins", "given": "Michelle", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of Cincinnati, Cincinnati, Ohio" } ], "family": "Hudock", "given": "Kris", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Emergency Medicine, Virginia Commonwealth University Health System, Richmond" } ], "family": "Merck", "given": "Lisa H.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Montefiore Medical Center, Bronx, New York" } ], "family": "Moskowitz", "given": "Ari", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Internal Medicine, University of New Mexico, Albuquerque" } ], "family": "Apodaca", "given": "Krystle D.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of Nebraska Medical Center, Omaha" } ], "family": "Barksdale", "given": "Aaron", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Yale University, New Haven, Connecticut" } ], "family": "Safdar", "given": "Basmah", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Washington University and John Cochran VA Medical Center, St Louis, Missouri" } ], "family": "Javaheri", "given": "Ali", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of Virginia, Charlottesville" } ], "family": "Sturek", "given": "Jeffrey M.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Tufts School of Medicine, Newton-Wellesley Hospital, Newton, Massachusetts" } ], "family": "Schrager", "given": "Harry", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of Florida, Gainesville" } ], "family": "Iovine", "given": "Nicole M.", "sequence": "additional" }, { "affiliation": [ { "name": "Dignity Health, Phoenix, Arizona" } ], "family": "Tiffany", "given": "Brian", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Denver Health Medical Center, Denver, Colorado" } ], "family": "Douglas", "given": "Ivor", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Stanford University, Stanford, California" } ], "family": "Levitt", "given": "Joseph", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Emergency Medicine, University of Colorado, Aurora" } ], "family": "Ginde", "given": "Adit A.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Johns Hopkins University, Baltimore, Maryland" } ], "family": "Hager", "given": "David N.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts" } ], "family": "Shapiro", "given": "Nathan", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Cleveland Clinic Foundation, Cleveland, Ohio" } ], "family": "Duggal", "given": "Abhijit", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Oregon Health and Science University, Portland" } ], "family": "Khan", "given": "Akram", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Intermountain Medical Center, Murray, Utah" } ], "family": "Lanspa", "given": "Michael", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California" } ], "family": "Chen", "given": "Peter", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Emergency Medicine, Temple University, Philadelphia, Pennsylvania" } ], "family": "Gentile", "given": "Nina", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of Utah Health Sciences, Salt Lake City" } ], "family": "Harris", "given": "Estelle", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Jack D. Weiler Hospital, Albert Einstein College of Medicine, Bronx, New York" } ], "family": "Gong", "given": "Michelle", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, University of North Carolina, Chapel Hill" } ], "family": "Sellers", "given": "Subhashini", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Medical University of South Carolina, Charleston" } ], "family": "Goodwin", "given": "Andrew J.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Baystate Health, Springfield, Massachusetts" } ], "family": "Tidswell", "given": "Mark A.", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Emergency Medicine, Massachusetts General Hospital, Boston" } ], "family": "Filbin", "given": "Michael", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, St Alexius Medical Center, Hoffman Estates, Illinois" } ], "family": "Desai", "given": "Neeraj", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Medicine, Division of Infectious Diseases, Centro de Investigación Biomédica en Red (CIBERINFEC), Hospital General de Elche & Universidad Miguel Hernández, Alicante, Spain" } ], "family": "Gutiérrez", "given": "Felix", "sequence": "additional" }, { "affiliation": [ { "name": "Hospital Clinico San Carlos, Ciber de Enfermedades Infecciosas, CIBERINFEC, Universidad Complutense de Madrid, Madrid, Spain" } ], "family": "Estrada", "given": "Vicente", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Infectious Diseases, Hospital Universitario Vall d’Hebron, Barcelona, Spain" } ], "family": "Burgos", "given": "Joaquin", "sequence": "additional" }, { "affiliation": [ { "name": "Clinical HIV Research Unit, Helen Joseph Hospital, Johannesburg, South Africa" } ], "family": "Boyles", "given": "Tom", "sequence": "additional" }, { "affiliation": [ { "name": "Department of Infectious Diseases, Hospital 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ACTIV-4 Host Tissue Investigators" } ], "family": "McKeel", "given": "David", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Orozco", "given": "Dirk", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Prato", "given": "Nelson", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Qi", "given": "Ally", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Stagner", "given": "Kalley", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Vermillion", "given": "Krista", "sequence": "additional" }, { "affiliation": [ { "name": "for the ACTIV-4 Host Tissue Investigators" } ], "family": "Winchell", "given": "Stephanie", "sequence": "additional" }, { "affiliation": [ { 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Late treatment
is less effective
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