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  • Title: A Three-Year Follow-Up of Bone Density Among Thai Adolescents With Perinatally Acquired HIV After Completion of Vitamin D and Calcium Supplementation.
    Author: Sudjaritruk T, Kanjanavanit S, Chaito T, Sricharoen N, Prasarakee C, Sarachai S, Puthanakit T.
    Journal: J Adolesc Health; 2023 Aug; 73(2):262-270. PubMed ID: 37294251.
    Abstract:
    PURPOSE: To determine changes in bone mineral density (BMD) and bone metabolism-related biomarkers among Thai adolescents with perinatally acquired HIV infection (PHIVA) at 3 years following completion of vitamin D and calcium (VitD/Cal) supplementation. METHODS: An observational follow-up study was conducted among PHIVA who received 48-week VitD/Cal supplementation (either high-dose [3,200 IU/1,200 mg daily] or standard-dose [400 IU/1,200 mg daily]). Lumbar spine BMD (LSBMD) was assessed by dual-energy x-ray absorptiometry. Serum 25-hydroxyvitamin D, intact parathyroid hormone, and bone turnover markers were measured. Changes in LSBMD z-scores and other bone parameters at 3 years after stopping VitD/Cal supplementation compared with baseline or week 48 of supplementation were assessed among participants previously receiving high-dose and standard-dose VitD/Cal supplementation. RESULTS: Of 114 enrolled PHIVA, 46% and 54% had previously received high-dose and standard-dose VitD/Cal supplementation, respectively. The median age was 20 years; 53% were male. At 3 years after completion of VitD/Cal supplementation, we observed a significant decline in 25-hydroxyvitamin D and increase in intact parathyroid hormone but no significant rebounds of C-terminal telopeptides of collagen type I and procollagen type I amino-terminal propeptides and no significant changes in LSBMD z-scores among PHIVA in both treatment groups, compared with the measurements at week 48 of supplementation. Notably, LSBMD z-scores at 3 years after stopping VitD/Cal supplements were not significantly altered from baseline evaluations in both PHIVA groups. DISCUSSION: Three years after completion of high-dose or standard-dose VitD/Cal supplementation, LSBMD z-scores of our Thai PHIVA were not significantly changed from baseline and week 48 of supplementation. VitD/Cal supplementation of PHIVA during periods of peak bone mass accrual may have sustained and long-term skeletal benefits.
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