Higher vs lower doses of dexamethasone in patients with COVID-19 and severe hypoxia (COVID STEROID 2) trial: Protocol and statistical analysis plan
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Published on: May 25, 2022
M W Munch1,2, Anders Granholm1,2, S N Myatra3
1Department of Intensive Care, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
Insights
The COVID STEROID 2 trial compares higher versus lower doses of dexamethasone in severe COVID-19 patients. This study will determine the optimal corticosteroid dosage for improved patient outcomes and reduced mortality.
Area of Science:
- Critical Care Medicine
- Infectious Diseases
- Clinical Trials
Background:
- The COVID-19 pandemic caused millions of deaths and overwhelmed healthcare systems globally.
- Systemic low-dose corticosteroids benefit severe COVID-19 patients, but optimal dosing remains unclear.
- Higher corticosteroid doses are used for other lung diseases, suggesting potential benefits in COVID-19.
Purpose of the Study:
- To compare the efficacy and safety of higher (12 mg) versus lower (6 mg) doses of dexamethasone in adults with COVID-19 and severe hypoxia.
- To determine the optimal corticosteroid regimen for critically ill COVID-19 patients.
Main Methods:
- The COVID STEROID 2 trial is an international, blinded, randomized controlled trial.
- Enrolling 1,000 patients with severe hypoxia due to COVID-19 across Denmark, Sweden, Switzerland, and India.
- Primary outcome: days alive without life support by day 28; secondary outcomes include mortality and quality of life.
Main Results:
- Primary outcome analysis will use the Kryger Jensen and Lange test, adjusted for stratification variables.
- Results will be reported as adjusted mean and median differences.
- The study protocol details the full statistical analysis plan.
Conclusions:
- The COVID STEROID 2 trial will provide crucial evidence on optimal systemic corticosteroid dosing for severe hypoxic COVID-19 patients.
- Findings will have significant implications for patient care, families, and public health strategies.
- This research aims to optimize treatment protocols for a major global health crisis.
Background:
The coronavirus disease 2019 (COVID-19) pandemic has resulted in millions of deaths and overburdened healthcare systems worldwide. Systemic low-dose corticosteroids have proven clinical benefit in patients with severe COVID-19. Higher doses of corticosteroids are used in other inflammatory lung diseases and may offer additional clinical benefits in COVID-19. At present, the balance between benefits and harms of higher vs. lower doses of corticosteroids for patients with COVID-19 is unclear.
Methods:
The COVID STEROID 2 trial is an investigator-initiated, international, parallel-grouped, blinded, centrally randomised and stratified clinical trial assessing higher (12 mg) vs. lower (6 mg) doses of dexamethasone for adults with COVID-19 and severe hypoxia. We plan to enrol 1,000 patients in Denmark, Sweden, Switzerland and India. The primary outcome is days alive without life support (invasive mechanical ventilation, circulatory support or renal replacement therapy) at day 28. Secondary outcomes include serious adverse reactions at day 28; all-cause mortality at day 28, 90 and 180; days alive without life support at day 90; days alive and out of hospital at day 90; and health-related quality of life at day 180. The primary outcome will be analysed using the Kryger Jensen and Lange test adjusted for stratification variables and reported as adjusted mean differences and median differences. The full statistical analysis plan is outlined in this protocol.
Discussion:
The COVID STEROID 2 trial will provide evidence on the optimal dosing of systemic corticosteroids for COVID-19 patients with severe hypoxia with important implications for patients, their relatives and society.
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