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Lopinavir-ritonavir and hydroxychloroquine for critically ill patients with COVID-19: REMAP-CAP randomized controlled trial

  • the REMAP-CAP Investigators
    • Ministry of National Guard Health Affairs (MNGHA)
    • King Saud bin Abdulaziz University for Health Sciences
    • Imperial College London
    • Imperial College Healthcare NHS Trust
    • Utrecht University
    • University College Dublin
    • Monash University
    • Alfred Health
    • University of British Columbia
    • Hôpital Raymond Poincaré
    • University Versailles Saint Quentin and University Paris Saclay
    • ANR-18-RHUS60004
    • University of Oxford
    • Medical Research Institute of New Zealand
    • Berry Consultants
    • University of Toronto
    • University of Bristol
    • University Hospitals Bristol and Weston NHS Foundation Trust
    • Friedrich Schiller University Jena
    • Global Coalition for Adaptive Research
    • Amsterdam University Medical Centers
    • Auckland District Health Board
    • NHS Blood and Transplant
    • Sunnybrook Health Sciences Centre
    • Canadian Critical Care Trials Group
    • University of Pittsburgh
    • University of Antwerp
    • National Intensive Care Surveillance-Mahidol Oxford Research Unit
    • University College London
    • Université de Sherbrooke
    • Peter Munk Cardiac Centre
    • University of California at Los Angeles
    • Fiona Stanley Hospital
    • St John of God Health Care
    • University of Western Australia
    • Queen's University Belfast
    • Royal Victoria Hospital Belfast
    • Middlemore Hospital
    • Intensive Care National Audit and Research Centre
    • University of Auckland
    • University of Sydney
    • Royal Prince Alfred Hospital
    • Guy's and St Thomas' NHS Foundation Trust
    • King's College London
    • Royal Melbourne Hospital
    • The University of Melbourne at the Peter Doherty Institute for Infection and Immunity
    • Université Laval
    • Radboud University Nijmegen
    • University of Manitoba

    Research output: Contribution to journalArticlepeer-review

    78 Citations (Scopus)

    Abstract

    Purpose: To study the efficacy of lopinavir-ritonavir and hydroxychloroquine in critically ill patients with coronavirus disease 2019 (COVID-19). Methods: Critically ill adults with COVID-19 were randomized to receive lopinavir-ritonavir, hydroxychloroquine, combination therapy of lopinavir-ritonavir and hydroxychloroquine or no antiviral therapy (control). The primary endpoint was an ordinal scale of organ support-free days. Analyses used a Bayesian cumulative logistic model and expressed treatment effects as an adjusted odds ratio (OR) where an OR > 1 is favorable. Results: We randomized 694 patients to receive lopinavir-ritonavir (n = 255), hydroxychloroquine (n = 50), combination therapy (n = 27) or control (n = 362). The median organ support-free days among patients in lopinavir-ritonavir, hydroxychloroquine, and combination therapy groups was 4 (– 1 to 15), 0 (– 1 to 9) and—1 (– 1 to 7), respectively, compared to 6 (– 1 to 16) in the control group with in-hospital mortality of 88/249 (35%), 17/49 (35%), 13/26 (50%), respectively, compared to 106/353 (30%) in the control group. The three interventions decreased organ support-free days compared to control (OR [95% credible interval]: 0.73 [0.55, 0.99], 0.57 [0.35, 0.83] 0.41 [0.24, 0.72]), yielding posterior probabilities that reached the threshold futility (≥ 99.0%), and high probabilities of harm (98.0%, 99.9% and > 99.9%, respectively). The three interventions reduced hospital survival compared with control (OR [95% CrI]: 0.65 [0.45, 0.95], 0.56 [0.30, 0.89], and 0.36 [0.17, 0.73]), yielding high probabilities of harm (98.5% and 99.4% and 99.8%, respectively). Conclusion: Among critically ill patients with COVID-19, lopinavir-ritonavir, hydroxychloroquine, or combination therapy worsened outcomes compared to no antiviral therapy.

    Original languageEnglish
    Pages (from-to)867-886
    Number of pages20
    JournalIntensive Care Medicine
    Volume47
    Issue number8
    DOIs
    Publication statusPublished - 1 Aug 2021

    Keywords

    • Adaptive platform trial
    • COVID-19
    • Hydroxychloroquine
    • Intensive care
    • Lopinavir-ritonavir
    • Pandemic
    • Pneumonia

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