Monthly versus daily administration of vitamin D3 in children: a retrospective propensity score-matched study
Front Endocrinol (Lausanne) 2023 Oct 24:14:1265943. doi: 10.3389/fendo.2023.1265943
Jinjoo Choi # 1, Yunsoo Choe # 2, Seung Yang 1 3
Objectives: We aimed to evaluate the efficacy and safety of monthly vitamin D3 administration compared to a daily dosing regimen in healthy children with vitamin D deficiency.
Methods: This retrospective study included vitamin D deficient (serum 25-hydroxyvitamin D [25(OH)D] < 20 ng/mL) children with precocious puberty who received gonadotropin-releasing hormone agonist every 4 weeks between December 2019 and November 2022. We used propensity scores to 1:1 match daily (1,000 IU daily) and monthly (25,000 IU per 4 weeks) administration of vitamin D3 based on age, sex, body mass index Z-scores, season of blood collection, and baseline serum 25(OH)D concentrations.
Results: Of 299 children, 192 were matched based on propensity scores (126 girls and 66 boys, 10.5 ± 1.4years). After a mean follow-up of 5.9 months (standard deviation [SD] 2.5 months), the monthly group showed a statistically significant increase in serum 25(OH)D concentrations (10.9 ± 5.3 vs. 8.2 ± 7.2 ng/mL; p = 0.018), higher corrected dose-response (12.3 ± 5.9 vs. 8.2 ± 7.2 ng/mL increase per 1,000 IU daily; p = 0.002), and a higher proportion of patients attaining 25(OH)D > 20 ng/mL (78.1% vs. 58.3%,; p=0.005) compared with the daily group. No cases of hypercalcemia were observed in either group.
Conclusions: Monthly administration of vitamin D3 may be an effective and safe alternative to correct hypovitaminosis D in pediatric population, possibly attributed to enhanced compliance.
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VitaminDWiki – Better than Daily contains:
Non-daily (Bolus) is better:
- Better compliance for everyone
- Fewer opportunities to forget.
- If happen to forget, just take the pill days or weeks later
- Fewer times to have to take a pill - for those who dislike doing so
- Non-daily is better the ~20% who have a poor Vitamin D Receptor
- A high concentration gradient is one of 14 ways to get past Vitamin D Receptor limitations
- So, while 80% get no extra benefit from non-daily dosing, 20% will get an extra benefit
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