MOnitored supplementation of VItamin D in preterm infants (MOSVID trial): study protocol for a randomised controlled trial

Table 1 Timetable of activities strictly related to participants planned throughout the study

Activity/assessment	0–7 DOL	4 WKA	8 WKA^a	35 ± 2 weeks of PCA	40 ± 2 weeks of PCA	52 ± 2 weeks of PCA
Randomisation	+
Blood sampling for 25(OH)D	+	+	+	+	+	+
Vit D dose adjustment		+	+	+	+	+
Sample collection for Ca²⁺/P metabolism				+	+	+
US kidney examination				+		+
Bone mass measurement				+	+

Abbreviations: DOL Day of life, Ca/P Calcium/phosphate ratio, 25(OH)D 25-Hydroxyvitamin D, PCA Post-conceptional age, US Ultrasound, Vit D Vitamin D, WKA Weeks of age
^aOnly infants born at < 26 weeks of gestational age

ISSN: 1745-6215