Prolonged glucocorticoid treatment is associated with improved ARDS outcomes: analysis of individual patients' data from four randomized trials and trial-level meta-analysis of the updated literature.
Pubmed ID: 26508525
Journal: Intensive care medicine
Publication Date: 05/01/2016
Affiliation: Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA.
MeSH Terms: Humans, Randomized Controlled Trials as Topic, Hospital Mortality, Intensive Care Units, Respiration, Artificial, Methylprednisolone, Glucocorticoids, Respiratory Distress Syndrome
Authors: Meduri GU, Bridges L, Shih MC, Marik PE, Kocak M, Siemieniuk RAC
Cite As: Meduri GU, Bridges L, Shih MC, Marik PE, Siemieniuk RAC, Kocak M. Prolonged glucocorticoid treatment is associated with improved ARDS outcomes: analysis of individual patients' data from four randomized trials and trial-level meta-analysis of the updated literature. Intensive Care Med 2016 May;42(5):829-840. Epub 2015 Oct 27.
PURPOSE: To investigate the effect of prolonged glucocorticoid treatment for patients with acute respiratory distress syndrome (ARDS). METHODS: We conducted two sets of intention-to-treat analyses: (1) a primary analysis of individual patients' data (IPD) of four randomized controlled trials (RCTs) which investigated methylprednisolone treatment (n = 322) and (2) a trial-level meta-analysis incorporating four additional RCTs which investigated hydrocortisone treatment in early ARDS (n = 297). We standardized definitions to derive outcomes in all datasets. The primary outcome for the IPD analysis was time to achieving unassisted breathing (UAB) by study day 28. Secondary outcomes included mechanical ventilation (MV) and intensive care unit (ICU)-free days, hospital mortality, and time to hospital mortality by day 28. RESULTS: By study day 28, compared to the placebo group, the methylprednisolone group had fewer patients who died before achieving UAB (12 vs. 29 %; p < 0.001) and more patients who achieved UAB (80 vs. 50 %; p < 0.001). In the methylprednisolone group, time to achieving UAB was shorter [hazard ratio 2.59, 95 % confidence interval (CI) 1.95-3.43; p < 0.001], and hospital mortality was decreased (20 vs. 33 %; p = 0.006), leading to increased MV (13.3 ± 11.8 vs. 7.6 ± 5.7; p < 0.001) and ICU-free days (10.8 ± 0.71 vs. 6.4 ± 0.85; p < 0.001). In those patients randomized before day 14 of ARDS onset, the trial-level meta-analysis indicated decreased hospital mortality (36 vs. 49 %; risk ratio 0.76, 95 % CI 0.59-0.98, I (2) = 17 %, p = 0.035; moderate certainty). Treatment was not associated with increased risk for infections (risk ratio 0.77, 95 % CI 0.56-1.08, I (2) = 26 %; p = 0.13; moderate certainty). CONCLUSIONS: Prolonged methylprednisolone treatment accelerates the resolution of ARDS, improving a broad spectrum of interrelated clinical outcomes and decreasing hospital mortality and healthcare utilization.