Evaluation of the safety and efficacy of XAV-19 in patients with COVID-19-induced moderate pneumonia: study protocol for a randomized, double-blinded, placebo-controlled phase 2 (2... oleh Benjamin Gaborit, Bernard Vanhove, Marie-Anne Vibet, Aurélie Le Thuaut, Karine Lacombe, Vincent Dubee, Florence Ader, Virginie Ferre, Eric Vicaut, Jéremie Orain, Morgane Le Bras, Anne Omnes, Laetitia Berly, Alexandra Jobert, Pascale Morineau-Le Houssine, Karine Botturi, Régis Josien, Laurent Flet, Nicolas Degauque, Sophie Brouard, Odile Duvaux, Alexandra Poinas, François Raffi, POLYCOR study group