2022
DOI: 10.1164/rccm.202108-1859oc
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Anti-Granulocyte–Macrophage Colony–Stimulating Factor Monoclonal Antibody Gimsilumab for COVID-19 Pneumonia: A Randomized, Double-Blind, Placebo-controlled Trial

Abstract: Background: Granulocyte-macrophage colony-stimulating factor (GM-CSF) has emerged as a promising target against the hyperactive host immune response associated with coronavirus disease 2019 . Methods:We conducted a 24-week randomized, double-blind, placebo-controlled trial at 21 locations in the United States to investigate the efficacy and safety of gimsilumab, an anti-GM-CSF monoclonal antibody, for hospitalized COVID-19 patients with elevated inflammatory markers and hypoxemia (BREATHE). Patients were rando… Show more

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Cited by 26 publications
(16 citation statements)
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“…Of note, the studies investigating lenzilumab and mavrilimumab included patients on room air or oxygen by nasal cannula only, whereas the otilimab study did not include these patients and only had patients with high-flow oxygen, non-invasive or invasive ventilation. Last, the recently published BREATHE trial ( 67 ) investigated the use of gimsilumab in hospitalized patients with COVID-19 across the United States. In this double-blind, placebo-controlled, RCT, the primary endpoint was all-cause mortality rate at Day 43.…”
Section: Discussion Of Therapiesmentioning
confidence: 99%
“…Of note, the studies investigating lenzilumab and mavrilimumab included patients on room air or oxygen by nasal cannula only, whereas the otilimab study did not include these patients and only had patients with high-flow oxygen, non-invasive or invasive ventilation. Last, the recently published BREATHE trial ( 67 ) investigated the use of gimsilumab in hospitalized patients with COVID-19 across the United States. In this double-blind, placebo-controlled, RCT, the primary endpoint was all-cause mortality rate at Day 43.…”
Section: Discussion Of Therapiesmentioning
confidence: 99%
“…Some medications (e.g., tocilizumab, otilimab, and mavrilimumab) might be a selection of combination treatment for COVID-19 infection. [ 62 , 63 ]…”
Section: Discussionmentioning
confidence: 99%
“…One clinical study was conducted without results on its ability to improve systemic inflammation and mortality in COVID‐19 patients. 378 Otilimab is a human mAb commonly used in RA that blocks the binding of GM‐CSF to the receptor. Currently, otilimab completed one clinical trial (NCT04376684).…”
Section: Intervention Therapymentioning
confidence: 99%