Title: Calcifediol Is Not Superior to Cholecalciferol in Improving Vitamin D Status in Postmenopausal Women
Abstract: We have read with interest the article published in the Journal of Bone and Mineral Research (the JBMR) by Pérez Castrillón and colleagues,(1) comparing the efficacy and safety of calcifediol versus cholecalciferol in improving vitamin D status in postmenopausal women. In our opinion, this study of Pérez Castrillón and colleagues(1) holds some issues of concern that could invalidate the results shown and could mislead readers to a false understanding. Manuel Sosa-Henríquez: Conceptualization; investigation; methodology; supervision; validation; visualization; writing – original draft; writing – review and editing. M.a Jesús Gómez de Tejada-Romero: Conceptualization; methodology; supervision; validation; visualization; writing – original draft. M.a Jesús Cancelo-Hidalgo: Conceptualization; methodology; supervision; validation; visualization. Guillermo Martínez Díaz-Guerra: Conceptualization; supervision; validation; visualization. Íñigo Etxebarría Foronda: Conceptualization; investigation; supervision; validation; visualization. Francisco José Tarazona-Santabalbina.: Conceptualization; supervision; validation; visualization. Óscar Torregrosa-Suau: Conceptualization; methodology; supervision; validation; visualization. Carmen Valdés-Llorca: Conceptualization; investigation; resources; supervision; validation; visualization.