Martínez-Muñoz, María E. http://orcid.org/0000-0002-6829-9710
Payares-Herrera, Concepción
Lipperheide, Inés
Malo de Molina, Rosa http://orcid.org/0000-0002-7269-0309
Salcedo, Isabel http://orcid.org/0009-0007-1976-320X
Alonso, Rosalía
Martín-Donaire, Trinidad
Sánchez, Rocío
Zafra, Rocío
García-Berciano, Miguel
Trisán-Alonso, Andrea
Pérez-Torres, Manuel http://orcid.org/0000-0002-3227-8360
Ramos-Martínez, Antonio
Ussetti, Piedad
Rubio, Juan J.
Avendaño-Solà, Cristina http://orcid.org/0000-0001-5437-7215
Duarte, Rafael F. http://orcid.org/0000-0002-5240-9815
Article History
Received: 14 July 2023
Revised: 23 January 2024
Accepted: 25 January 2024
First Online: 26 February 2024
Competing interests
: The authors declare no competing interests.
: This trial adhered to the Declaration of Helsinki and received ethics approval with the title “Ensayo clínico doble ciego, aleatorizado, controlado, para evaluar la eficacia de las células mesenquimales estromales alogénicas en pacientes con síndrome de distrés respiratorio agudo debido a COVID-19 (COVID-AT)”, on June 3<sup>rd</sup> 2020, from the local research ethics committee “Comité de Ética de la Investigación con medicamentos del HUPHM”, with approval number 82-20. Informed consent was obtained prior to performing any study procedures from all patients or their representatives (witnessed oral consent, documented in writing).