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Hvidovre Hospital - a part of Copenhagen University Hospital
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Effect of 12 mg vs 6 mg of Dexamethasone on the Number of Days Alive Without Life Support in Adults With COVID-19 and Severe Hypoxemia: The COVID STEROID 2 Randomized Trial

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  • Marie W Munch
  • Sheila N Myatra
  • Bharath Kumar Tirupakuzhi Vijayaraghavan
  • Sanjith Saseedharan
  • Thomas Benfield
  • Rebecka R Wahlin
  • Bodil S Rasmussen
  • Anne Sofie Andreasen
  • Lone M Poulsen
  • Luca Cioccari
  • Mohd S Khan
  • Farhad Kapadia
  • Jigeeshu V Divatia
  • Anne C Brøchner
  • Morten H Bestle
  • Marie Helleberg
  • Jens Michelsen
  • Ajay Padmanaban
  • Neeta Bose
  • Anders Møller
  • Kapil Borawake
  • Klaus T Kristiansen
  • Urvi Shukla
  • Michelle S Chew
  • Subhal Dixit
  • Charlotte S Ulrik
  • Pravin R Amin
  • Rajesh Chawla
  • Christian A Wamberg
  • Mehul S Shah
  • Iben S Darfelt
  • Vibeke L Jørgensen
  • Margit Smitt
  • Anders Granholm
  • Maj-Brit N Kjær
  • Morten H Møller
  • Tine S Meyhoff
  • Gitte K Vesterlund
  • Naomi E Hammond
  • Sharon Micallef
  • Abhinav Bassi
  • Christian Gluud
  • Klaus V Marcussen
  • Henrik Nielsen
  • Olav L Schjørring
  • Camilla M Kristensen
  • Carl J S Hjortsø
  • Matias Metcalf-Clausen
  • Janus Engstrøm
  • Anders Perner
  • COVID STEROID 2 Trial Group
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Importance: A daily dose with 6 mg of dexamethasone is recommended for up to 10 days in patients with severe and critical COVID-19, but a higher dose may benefit those with more severe disease.

Objective: To assess the effects of 12 mg/d vs 6 mg/d of dexamethasone in patients with COVID-19 and severe hypoxemia.

Design, Setting, and Participants: A multicenter, randomized clinical trial was conducted between August 2020 and May 2021 at 26 hospitals in Europe and India and included 1000 adults with confirmed COVID-19 requiring at least 10 L/min of oxygen or mechanical ventilation. End of 90-day follow-up was on August 19, 2021.

Interventions: Patients were randomized 1:1 to 12 mg/d of intravenous dexamethasone (n = 503) or 6 mg/d of intravenous dexamethasone (n = 497) for up to 10 days.

Main Outcomes and Measures: The primary outcome was the number of days alive without life support (invasive mechanical ventilation, circulatory support, or kidney replacement therapy) at 28 days and was adjusted for stratification variables. Of the 8 prespecified secondary outcomes, 5 are included in this analysis (the number of days alive without life support at 90 days, the number of days alive out of the hospital at 90 days, mortality at 28 days and at 90 days, and ≥1 serious adverse reactions at 28 days).

Results: Of the 1000 randomized patients, 982 were included (median age, 65 [IQR, 55-73] years; 305 [31%] women) and primary outcome data were available for 971 (491 in the 12 mg of dexamethasone group and 480 in the 6 mg of dexamethasone group). The median number of days alive without life support was 22.0 days (IQR, 6.0-28.0 days) in the 12 mg of dexamethasone group and 20.5 days (IQR, 4.0-28.0 days) in the 6 mg of dexamethasone group (adjusted mean difference, 1.3 days [95% CI, 0-2.6 days]; P = .07). Mortality at 28 days was 27.1% in the 12 mg of dexamethasone group vs 32.3% in the 6 mg of dexamethasone group (adjusted relative risk, 0.86 [99% CI, 0.68-1.08]). Mortality at 90 days was 32.0% in the 12 mg of dexamethasone group vs 37.7% in the 6 mg of dexamethasone group (adjusted relative risk, 0.87 [99% CI, 0.70-1.07]). Serious adverse reactions, including septic shock and invasive fungal infections, occurred in 11.3% in the 12 mg of dexamethasone group vs 13.4% in the 6 mg of dexamethasone group (adjusted relative risk, 0.83 [99% CI, 0.54-1.29]).

Conclusions and Relevance: Among patients with COVID-19 and severe hypoxemia, 12 mg/d of dexamethasone compared with 6 mg/d of dexamethasone did not result in statistically significantly more days alive without life support at 28 days. However, the trial may have been underpowered to identify a significant difference.

Trial Registration: ClinicalTrials.gov Identifier: NCT04509973 and ctri.nic.in Identifier: CTRI/2020/10/028731.

Original languageEnglish
Article number18295
JournalJAMA - Journal of the American Medical Association
Volume326
Issue number18
Pages (from-to)1807-1817
Number of pages11
ISSN0002-9955
DOIs
Publication statusPublished - 9 Nov 2021

    Research areas

  • Aged, COVID-19/complications, Dexamethasone/administration & dosage, Dose-Response Relationship, Drug, Female, Glucocorticoids/administration & dosage, Humans, Hypoxia/etiology, Life Support Care, Male, Middle Aged, Mycoses/etiology, Respiration, Artificial, Shock, Septic/etiology, Single-Blind Method

ID: 68559293