E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients on mechanical ventilation, inpatient resuscitation for ARDS, secondary to COVID-19 infection |
Patients sous ventilation mécanique, hospitalisés en réanimation pour un SDRA, secondaire à une infection par COVID-19 |
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E.1.1.1 | Medical condition in easily understood language |
Patients on mechanical ventilation, inpatient resuscitation for ARDS, secondary to COVID-19 infection |
Patients sous ventilation mécanique, hospitalisés en réanimation pour un SDRA, secondaire à une infection par COVID-19 |
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E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate the efficacy of intratracheal administration of dornase alfa (Pulmozyme) on the evolution of ventilatory parameters at D7 |
Evaluer l'efficacité de l'administration intratrachéale de dornase alfa (Pulmozyme) sur l'évolution des paramètres ventilatoires à J7 |
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E.2.2 | Secondary objectives of the trial |
1) all-cause mortality at D28 2) the clinical evolution at D28 ; 3) the duration of mechanical ventilation; 4) the number of days without mechanical ventilation at D28; 5) the length of stay in intensive care ; 6) the concentrations of blood markers of inflammation over time; 7) NET concentrations in bronchial secretions over time 8) the occurrence of adverse events |
Les objectifs secondaires sont de comparer entre les deux bras de randomisation : 1) la mortalité toute cause à J28 2) l’évolution clinique à J28 ; 3) la durée de ventilation mécanique ; 4) le nombre de jours sans ventilation mécanique à J8 5) la durée de séjour en réanimation ; 6) les concentrations des marqueurs sanguins de l’inflammation au cours du temps 7) les concentrations de NETs au sein des sécrétions bronchiques au cours du temps 8) la survenue d’événements indésirables
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Major patient (age ≥ 18 years old); - Hospitalized in intensive care; - Severe pneumonia COVID-19 with Berlin criteria for ARDS (PaO2/FiO2<300 and PEP>5). - Intubated for less than 8 days ; - Expected duration of mechanical ventilation is >48 hours; - Carrying an arterial catheter; - Affiliated with or beneficiary of a health insurance social protection scheme
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- Patient majeur (âge ≥ 18 ans) ; - Hospitalisé en réanimation ; - Atteint d’une pneumonie grave COVID-19 avec critères de SDRA selon les critères de Berlin (PaO2/FiO2<300 et PEP>5). - Intubé depuis moins de 8 jours ; - Dont la durée prévisible de ventilation mécanique est > 48h ; - Porteur d’un cathéter artériel ; - Affilié ou bénéficiaire d’un régime de protection sociale d’assurance maladie
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E.4 | Principal exclusion criteria |
- Known hypersensitivity to Dornase alfa or any of the excipients; - Pregnant or nursing woman; - Patient with legal pro
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- Hypersensibilité connue à la Dornase alfa ou à l’un des excipients ; - Femme enceinte ou allaitant ; - Patient bénéficiant d’une mesure de protection juridique
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E.5 End points |
E.5.1 | Primary end point(s) |
Comparison between the two treatment arms of the evolution of the PaO2/FiO2 ratio between D0 (inclusion) and D7 |
Comparaison entre les deux bras de traitement de l’évolution du rapport PaO2/FiO2 entre J0 (inclusion) et J7 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Secondary endpoints: 1) all-cause mortality at D28 2) Delay until improvement of at least 2 points on a 7-point ordinal scale (based on Cao et al. 2020), or until hospital discharge; 3) Duration of mechanical ventilation (days); 4) Number of days without mechanical ventilation at D28 5) Length of stay in intensive care (days) ; 6) Concentrations of blood markers of inflammation (D0, D2, D7 and discharge); 7) NET concentrations in bronchial secretions (D0, D2, D7 and discharge); 8) Rates of adverse events and serious adverse events. |
Critères de jugement secondaires : 1) la mortalité toute cause à J28 2) Délai jusqu’à l’amélioration d’au moins deux points sur une échelle ordinale à 7 niveaux (d’après Cao et al. 2020), ou jusqu’à la sortie d’hospitalisation; 3) Durée de ventilation mécanique (jours) ; 4) Nombre de jours sans ventilation mécanique 5) Durée de séjour en réanimation (jours) ; 6) Concentrations des marqueurs sanguins de l’inflammation (J0, J2, J7 et sortie d’hospitalisation) ; 7) Concentrations de NETs au sein des sécrétions bronchiques (J0, J2, J7 et sortie d’hospitalisation) ; 8) Taux d’événements indésirables et d’événements indésirables graves.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | No |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
traitement habituel |
usual treatment |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |