Tuñón, José
Rodríguez-López, Carlos
Balaguer, Jorge
Gómez-Talavera, Sandra
Rojas, Antonio
Salamanca, Jorge
García, Cecilia López
Esteve-Pastor, María Asunción
Laffond, Ana
Herrera, Cristian
Escudier-Villa, Juan M.
Orejas, Miguel
Tomás, Marta
Álvarez, María López
Tomeo, Mireia Arcas
Llanos-Jiménez, Lucía
González-Lorenzo, Óscar
Kallmeyer, Andrea
Ibáñez, Borja
González-Casaus, María Luisa
Hernández, Gonzalo
Espadas, Cristina
Lorenzo, Óscar
Mahíllo-Fernández, Ignacio
Egido, Jesús
Sánchez, Pedro Luis
Marín, Francisco
Alfonso, Fernando
Funding for this research was provided by:
Fondo de Investigaciones Sanitarias (Projects PI14/01567, PI20/00923, and PI24/00978)
Sociedad Española de Cardiología (NA)
Spain´s Ministry of Science and Innovation ((RTC2019-006826-1))
ISCIII, through Spanish Clinical Resaerch Network (PT13/0002/0019, PT17/0017/0022, and and PT20/00142)
Article History
Received: 7 November 2025
Accepted: 18 March 2026
First Online: 6 April 2026
Declarations
:
: There are no conflicts of interest, except that FAES FARMA, S.A. (Leioa, Vizcaya, Spain), which markets calcifediol, collaborated with us in designing the study and supported us by providing the study medicine, including the placebo.
: Artificial Intelligence has been used exclusively to improve the edition of small parts of this manuscript (DeepL) and to translate the Protocol file from Spanish to English.