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The purpose of this study is to determine the effects of Almitrine administration on oxygenation in COVID-19 patients with acute respiratory distress syndrome treated by high-flow nasal canula oxygen therapy as first-line ventilatory support.
Full description
From December 2019, the emergent coronavirus SARSCoV-2 is responsible for the worldwide pandemic of coronavirus disease (COVID-19). Although SARSCoV-2 infection is mainly responsible for mild respiratory symptoms, up to 70% of hospitalized patients with COVID-19-related pneumoniae may develop severe respiratory disease, progressing to acute respiratory distress syndrome (ARDS). These patients may experience severe but well-tolerated hypoxemia, so-called "happy hypoxemia" which may be related to blunted hypoxic vasoconstriction. Almitrine is a selective pulmonary vasoconstrictor that has been reported to improve the oxygenation in ARDS patients by increasing hypoxic pulmonary vasoconstriction. Some small case series reported that the use of Almitrine in mechanically ventilated COVID-19 patients with ARDS improved oxygenation. Given the "happy hypoxemia" phenomenon, it has been suggested to use high-flow nasal canula therapy (HFNO) as first-line ventilatory support in COVID-19 patients with ARDS, since the risk of aerosolization with HFNO was similar to that with standard oxygen therapy and lower to that with non-invasive ventilation. However, the effects of Almitrine in spontaneously breathing patients with ARDS has not been reported so far. Thus, the main goal of this study is to investigate the effects of Almitrine on oxygenation of COVID-19 patients with ARDS treated by HFNO as first-line ventilatory support. The second goal of this study is to determine the effects of Almitrine on respiratory mechanics and hymodynamics.
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Inclusion criteria
Patients treated by high-flow nasal canula oxygen
Positive COVID-19 real-time reverse transcriptase-polymerase chain reaction assay in nasal swabs
Persistent severe hypoxemia after awake prone positioning defined by one or more of the following criteria:
Patients treated by Almitrine
Exclusion criteria
62 participants in 1 patient group
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Central trial contact
Clément SACCHERI, MD; Jean DELLAMONICA, MD, PhD
Data sourced from clinicaltrials.gov
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