Efficacy and Safety of aerosolizedDornase Alfa Administration in Patients With COVID19 Induced ARDS (COVIDORNASE) (COVIDORNASE)

Efficacy and Safety of Dornase Alfa Aerosol in ARDS Secondary to SARS-CoV-2 Coronavirus Respiratory Infection - COVID-19

This study plans to learn more about the effects of Dornase Alfa in COVID19 (coronavirus disease of 2019) patients, the medical condition caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Dornase Alfa is a FDA-approved drug for the treatment of cystic fibrosis, which facilitates mucus clearance by cutting apart neutrophil-derived extracellular double-stranded DNA. This study intends to define the impact of aerosolized intra-tracheal Dornase Alfa administration on the severity and progression of acute respiratory distress syndrome (ARDS) in COVID-19 patients. This drug might make lung mucus thinner and looser, promoting improved clearance of secretions and reduce extracellular double-stranded DNA-induced hyperinflammation in alveoli, preventing further damage to the lungs.

The study will recruit mechanically ventilated patients hospitalized in ICU who have been diagnosed with COVID-19 and meet ARDS criteria. It is a prospective, randomized, controlled, multicentric, open-label clinical trial.

The goal is to recruit 100 patients.

Study Overview

• Status: Terminated
• Conditions: COVID-19; Acute Respiratory Distress Syndrome
• Intervention / Treatment: Drug: Dornase Alfa Inhalation Solution [Pulmozyme]; Procedure: standard procedure

Detailed Description

Acute Respiratory Distress Syndrome (ARDS) is the most severe form of COVID-19 with a mortality reaching 50%. To date, no specific therapy has been shown to be effective. During an acute viral respiratory infection, lungs are the site of an intense neutrophil recruitment. Recruited neutrophils generate NETs (extracellular neutrophil traps) in the alveoli and bronchioles. NETs have been shown to be involved in bronchoalveolar congestion and amplification of the inflammatory response during viral pneumonia responsible for ARDS. Deoxyribonuclease 1 (DNAse 1) is an enzyme capable of cutting apart extracellular DNA strands, the backbone of NETs. The administration of recombinant human DNAse 1 (dornase alfa) leads to the loosening of the broncho-alveolar mucus and to a reduction in the inflammatory response within the alveoli.

By conducting a randomized, open-label, multicenter, controlled trial, our goal is to evaluate the efficacy and safety of aerosolized intra-tracheal dornase alfa administration in mechanically ventilated patients hospitalized for COVID19-related ARDS.

This is a randomized, controlled, multicentric, open-label clinical trial to evaluate the efficacy and safety of dornase alfa administration aerosol, intensive care hospitalized patients with COVID19-related ARDS.

The comparison of D7-D0 between the groups will be carried out using a linear regression fitted to the stratification factors.

• Study Type: Interventional
• Enrollment (Actual): 77
• Phase: Phase 3

Contacts and Locations

Study Locations

• France
  • Paris, France
    • Hôpital Fondation A. de Rotschhild

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 16 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

inclusion criteria

• Adult patient (age ≥ 18 years old);
• Hospitalized in intensive care ;
• Severe COVID-19 pneumonia (positive diagnosis by RT-PCR or SARS-CoV-2 antigen test on nasopharyngeal or deep respiratory specimen and/or evocative thoracic scan: frosted glass opacities, consolidation, cross-linking, thickening of interlobular septa, peripheral nodules) with ARDS criteria according to Berlin criteria (PaO2/FiO2 ≤ 300 and PEP ≥ 5).
• With respiratory assistance (intubated or NIV or ONHD) for less than 8 days;
• With an expected duration of respiratory assistance > 48 hours;
• Carrier of an arterial catheter ;
• For which 4 PaO2/FiO2 values on arterial blood over the last 24 hours are available;

Exclusion Criteria:

• Known hypersensitivity to Dornase alfa or any of the excipients;
• Pregnant or breastfeeding status;
• Patient with legal protection.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Single

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Experimental group; Dornase alfa will be administered by nebulization, at a dose of 2500 IU twice daily, 12 hours apart, for 7 consecutive days, using a vibrating mesh nebulizer. The remainder of the management will be performed in accordance with good practice, including mechanical ventilation (protective ventilation, PEEP > 5 cmH2O, tracheal balloon pressure checking every 4 hours or automatic device, 30° head of the bed elevation, tidal volume 6-8mL/kg, plateau pressure < 30cmH2O), neuromuscular blockers if necessary, prone position if PaO2/FiO2<150, early enteral nutrition, glycemic control, a sedation protocol based on the RASS score.	Drug: Dornase Alfa Inhalation Solution [Pulmozyme]; Administered by nebulization, at a dose of 2500 IU twice daily, 12 hours apart, for 7 consecutive days
Active Comparator: Control group; Patients will receive the usual care in accordance with good practice.	Procedure: standard procedure; Patients will receive the usual care in accordance with good practice.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Efficacy of intratracheal administration: occurrence of at least one grade improvement	The primary endpoint is the occurrence of at least one grade improvement between D0 (inclusion) and D7 in the ARDS scale severity (Berlin criteria). For instance from severe to moderate or from moderate to mild	Day 7

Collaborators and Investigators

• Sponsor: Fondation Ophtalmologique Adolphe de Rothschild
• Collaborators: University Hospital, Strasbourg, France; Centre Hospitalier Régional Metz-Thionville
• Investigators: Principal Investigator: Charles Grégoire, MD, Hôpital Fondation A de Rothschild; Study Chair: Julien Pottecher, MD, CHRU Strasbourg; Study Chair: Fabien Lambiotte, MD, CH Valenciennes; Study Chair: Serge Le Tacon, MD, CHR Metz-Thionville; Study Chair: Marie-Reine Pr Losser, CHRU Nancy; Study Chair: Pierre Kalfon, MD, CH Chartres; Study Chair: Vincent Das, MD, CH Montreuil; Study Chair: Karim Nourdine, MD, Hôpital Drome Nord

Publications and helpful links

General Publications

• Desilles JP, Gregoire C, Le Cossec C, Lambert J, Mophawe O, Losser MR, Lambiotte F, Le Tacon S, Cantier M, Engrand N, Trouiller P, Pottecher J. Efficacy and safety of aerosolized intra-tracheal dornase alfa administration in patients with SARS-CoV-2-induced acute respiratory distress syndrome (ARDS): a structured summary of a study protocol for a randomised controlled trial. Trials. 2020 Jun 19;21(1):548. doi: 10.1186/s13063-020-04488-8.

Study record dates

Study Major Dates

• Study Start (Actual): April 21, 2020
• Primary Completion (Actual): December 20, 2021
• Study Completion (Actual): December 20, 2021

Study Registration Dates

• First Submitted: April 15, 2020
• First Submitted That Met QC Criteria: April 17, 2020
• First Posted (Actual): April 21, 2020

Study Record Updates

• Last Update Posted (Actual): January 11, 2022
• Last Update Submitted That Met QC Criteria: December 20, 2021
• Last Verified: December 1, 2021

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Coronavirus Infections; Coronaviridae Infections; Nidovirales Infections; RNA Virus Infections; Virus Diseases; Infections; Respiratory Tract Infections; Respiratory Tract Diseases; Respiration Disorders; Pneumonia, Viral; Pneumonia; Lung Diseases; Infant, Newborn, Diseases; Lung Injury; Infant, Premature, Diseases; COVID-19; Respiratory Distress Syndrome; Respiratory Distress Syndrome, Newborn; Acute Lung Injury
• Other Study ID Numbers: CGE_2020_9

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: No

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No