Ethics approval and consent to participate
The independent ethics review board CPP Ouest VI, Brest, France, approved the trial protocol (CPP 1306-EudraCT 2020-002056-20/RIPH 20.06.15.56627). The trial was conducted in accordance with the ethical principles of the Declaration of Helsinki, the International Conference on Harmonisation–Good Clinical Practice (ICH-GCP) guideline, the Quality Management Standards for Drug Clinical Trials of the French Food and Drug Administration (ANSM, Agence Nationale de Sécurité du Médicament et des Produits de Santé). According to the specifications of emergency consent, randomization without a close relative or surrogate consent could be performed, but informed consent by the patient or patient’s relatives was obtained for all patients.