Nebulized in-line endotracheal dornase alfa and albuterol administered to mechanically ventilated COVID-19 patients: a case series

Background Mechanically ventilated patients with COVID-19 have a mortality of 24-53%, in part due to distal mucopurulent secretions interfering with ventilation. DNA from neutrophil extracellular traps (NETs) contribute to the viscosity of mucopurulent secretions and NETs are found in the serum of C...

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Veröffentlicht in:Molecular Medicine 2020-09, Vol.26 (1), p.91-91, Article 91
Hauptverfasser: Weber, Andrew G., Chau, Alice S., Egeblad, Mikala, Barnes, Betsy J., Janowitz, Tobias
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Chau, Alice S.
Egeblad, Mikala
Barnes, Betsy J.
Janowitz, Tobias
description Background Mechanically ventilated patients with COVID-19 have a mortality of 24-53%, in part due to distal mucopurulent secretions interfering with ventilation. DNA from neutrophil extracellular traps (NETs) contribute to the viscosity of mucopurulent secretions and NETs are found in the serum of COVID-19 patients. Dornase alfa is recombinant human DNase 1 and is used to digest DNA in mucoid sputum. Here, we report a single-center case series where dornase alfa was co-administered with albuterol through an in-line nebulizer system. Methods Demographic and clinical data were collected from the electronic medical records of five mechanically ventilated patients with COVID-19-including three requiring veno-venous extracorporeal membrane oxygenation-treated with nebulized in-line endotracheal dornase alfa and albuterol, between March 31 and April 24, 2020. Data on tolerability and response were analyzed. Results The fraction of inspired oxygen requirements was reduced for all five patients after initiating dornase alfa administration. All patients were successfully extubated, discharged from hospital and remain alive. No drug-associated toxicities were identified. Conclusions Results suggest that dornase alfa will be well-tolerated by patients with severe COVID-19. Clinical trials are required to formally test the dosing, safety, and efficacy of dornase alfa in COVID-19, and several have been recently registered.
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DNA from neutrophil extracellular traps (NETs) contribute to the viscosity of mucopurulent secretions and NETs are found in the serum of COVID-19 patients. Dornase alfa is recombinant human DNase 1 and is used to digest DNA in mucoid sputum. Here, we report a single-center case series where dornase alfa was co-administered with albuterol through an in-line nebulizer system. Methods Demographic and clinical data were collected from the electronic medical records of five mechanically ventilated patients with COVID-19-including three requiring veno-venous extracorporeal membrane oxygenation-treated with nebulized in-line endotracheal dornase alfa and albuterol, between March 31 and April 24, 2020. Data on tolerability and response were analyzed. Results The fraction of inspired oxygen requirements was reduced for all five patients after initiating dornase alfa administration. All patients were successfully extubated, discharged from hospital and remain alive. No drug-associated toxicities were identified. Conclusions Results suggest that dornase alfa will be well-tolerated by patients with severe COVID-19. Clinical trials are required to formally test the dosing, safety, and efficacy of dornase alfa in COVID-19, and several have been recently registered.</description><identifier>ISSN: 1076-1551</identifier><identifier>EISSN: 1528-3658</identifier><identifier>DOI: 10.1186/s10020-020-00215-w</identifier><identifier>PMID: 32993479</identifier><language>eng</language><publisher>NEW YORK: Springer Nature</publisher><subject><![CDATA[Adult ; Aged ; Albuterol - administration & dosage ; Albuterol - therapeutic use ; Biochemistry & Molecular Biology ; Body mass index ; Bronchodilator Agents - administration & dosage ; Bronchodilator Agents - therapeutic use ; Cell Biology ; Coronavirus ; Coronavirus Infections - drug therapy ; Coronavirus Infections - therapy ; Coronaviruses ; COVID-19 ; Dehydrogenases ; Deoxyribonuclease I - administration & dosage ; Deoxyribonuclease I - therapeutic use ; Dornase alfa ; Extracorporeal membrane oxygenation ; Female ; Health aspects ; Hemoptysis ; Hispanic people ; Humans ; Hypertension ; Intensive care ; Intubation ; Intubation, Intratracheal ; Laboratories ; Life Sciences & Biomedicine ; Male ; Medical records ; Medical research ; Medicine, Research & Experimental ; Mortality ; Mucopurulent secretions ; Nebulizers and Vaporizers ; Neutrophil extracellular traps ; Neutrophils ; Pandemics ; Patients ; Pneumonia, Viral - drug therapy ; Pneumonia, Viral - therapy ; Recombinant Proteins - administration & dosage ; Recombinant Proteins - therapeutic use ; Research & Experimental Medicine ; Respiration, Artificial ; SARS-CoV-2 ; Science & Technology ; Severe acute respiratory syndrome coronavirus 2 ; Short Report ; Systemic diseases ; Thrombosis ; Ventilators]]></subject><ispartof>Molecular Medicine, 2020-09, Vol.26 (1), p.91-91, Article 91</ispartof><rights>COPYRIGHT 2020 Springer</rights><rights>2020. 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DNA from neutrophil extracellular traps (NETs) contribute to the viscosity of mucopurulent secretions and NETs are found in the serum of COVID-19 patients. Dornase alfa is recombinant human DNase 1 and is used to digest DNA in mucoid sputum. Here, we report a single-center case series where dornase alfa was co-administered with albuterol through an in-line nebulizer system. Methods Demographic and clinical data were collected from the electronic medical records of five mechanically ventilated patients with COVID-19-including three requiring veno-venous extracorporeal membrane oxygenation-treated with nebulized in-line endotracheal dornase alfa and albuterol, between March 31 and April 24, 2020. Data on tolerability and response were analyzed. Results The fraction of inspired oxygen requirements was reduced for all five patients after initiating dornase alfa administration. All patients were successfully extubated, discharged from hospital and remain alive. No drug-associated toxicities were identified. Conclusions Results suggest that dornase alfa will be well-tolerated by patients with severe COVID-19. 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DNA from neutrophil extracellular traps (NETs) contribute to the viscosity of mucopurulent secretions and NETs are found in the serum of COVID-19 patients. Dornase alfa is recombinant human DNase 1 and is used to digest DNA in mucoid sputum. Here, we report a single-center case series where dornase alfa was co-administered with albuterol through an in-line nebulizer system. Methods Demographic and clinical data were collected from the electronic medical records of five mechanically ventilated patients with COVID-19-including three requiring veno-venous extracorporeal membrane oxygenation-treated with nebulized in-line endotracheal dornase alfa and albuterol, between March 31 and April 24, 2020. Data on tolerability and response were analyzed. Results The fraction of inspired oxygen requirements was reduced for all five patients after initiating dornase alfa administration. All patients were successfully extubated, discharged from hospital and remain alive. No drug-associated toxicities were identified. Conclusions Results suggest that dornase alfa will be well-tolerated by patients with severe COVID-19. Clinical trials are required to formally test the dosing, safety, and efficacy of dornase alfa in COVID-19, and several have been recently registered.</abstract><cop>NEW YORK</cop><pub>Springer Nature</pub><pmid>32993479</pmid><doi>10.1186/s10020-020-00215-w</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-6766-4352</orcidid><orcidid>https://orcid.org/0000-0001-9800-3709</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Albuterol - administration & dosage
Albuterol - therapeutic use
Biochemistry & Molecular Biology
Body mass index
Bronchodilator Agents - administration & dosage
Bronchodilator Agents - therapeutic use
Cell Biology
Coronavirus
Coronavirus Infections - drug therapy
Coronavirus Infections - therapy
Coronaviruses
COVID-19
Dehydrogenases
Deoxyribonuclease I - administration & dosage
Deoxyribonuclease I - therapeutic use
Dornase alfa
Extracorporeal membrane oxygenation
Female
Health aspects
Hemoptysis
Hispanic people
Humans
Hypertension
Intensive care
Intubation
Intubation, Intratracheal
Laboratories
Life Sciences & Biomedicine
Male
Medical records
Medical research
Medicine, Research & Experimental
Mortality
Mucopurulent secretions
Nebulizers and Vaporizers
Neutrophil extracellular traps
Neutrophils
Pandemics
Patients
Pneumonia, Viral - drug therapy
Pneumonia, Viral - therapy
Recombinant Proteins - administration & dosage
Recombinant Proteins - therapeutic use
Research & Experimental Medicine
Respiration, Artificial
SARS-CoV-2
Science & Technology
Severe acute respiratory syndrome coronavirus 2
Short Report
Systemic diseases
Thrombosis
Ventilators
title Nebulized in-line endotracheal dornase alfa and albuterol administered to mechanically ventilated COVID-19 patients: a case series
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