Jiawen Deng1, Zachary Silver2, Emma Huang3, Elena Zheng4, Kyra Kavanagh2, Jannusha Panicker5. 1. Faculty of Health Sciences, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada. dengj35@mcmaster.ca. 2. Faculty of Science, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada. 3. Faculty of Health Sciences, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada. 4. Faculty of Applied Health Sciences, University of Waterloo, 200 University Ave W, Waterloo, ON, N2L 3G1, Canada. 5. Faculty of Science, University of Ottawa, 75 Laurier Ave E, Ottawa, ON, K1N 6N5, Canada.
Abstract
INTRODUCTION/ OBJECTIVES: The objective of our systematic review and network meta-analysis (NMA) is to investigate which vitamin D and/or calcium regimen would yield the greatest increase in lumbar spine, femoral neck, and total hip bone mineral density (BMD) in adult patients undergoing glucocorticoid therapy. METHOD: We performed NMAs based on a prospectively developed protocol. A database search of MEDLINE, EMBASE, Web of Science, CINAHL, CENTRAL and Chinese databases were conducted for relevant randomized controlled trials (RCTs). Outcomes were percentage change in lumbar spine, femoral neck, and total hip BMD from baseline. RESULTS: We included 16 RCTs containing 1073 eligible patients in our analysis. We found alfacalcidol+calcium to yield the greatest percentage increase in lumbar spine BMD (MD 6.05, 95% credible interval [CrI] - 4.18 to 16.18) compared to no treatment, and calcitriol+calcium to yield the greatest percentage increase in femoral neck BMD (MD 8.46, 95% CrI - 4.74 to 21.51) compared to no treatment. Cholecalciferol+calcium ranked first in terms of its ability to increase total hip BMD; however this finding needs to be interpreted with caution due to low sample sizes in the cholecalciferol+calcium treatment arm. None of the treatment arms ruled out the possibility of no effect for any outcome. CONCLUSIONS: Alfacalcidol and calcitriol were the most efficacious treatment arms for increasing lumbar spine and femoral neck BMD, respectively. Our findings need to be validated by further investigations using larger, better-designed RCTs. Key Points •The efficacy of calcium/vitamin D compounds was examined using network meta-analyses. •Alfacalcidol + calcium yielded the greatest increase in lumbar spine BMD, calcitriol + calcium yielded the greatest increase in femoral neck BMD. •Future guidelines should place greater emphasis on the efficacy of different vitamin D compounds.
INTRODUCTION/ OBJECTIVES: The objective of our systematic review and network meta-analysis (NMA) is to investigate which vitamin D and/or calcium regimen would yield the greatest increase in lumbar spine, femoral neck, and total hip bone mineral density (BMD) in adult patients undergoing glucocorticoid therapy. METHOD: We performed NMAs based on a prospectively developed protocol. A database search of MEDLINE, EMBASE, Web of Science, CINAHL, CENTRAL and Chinese databases were conducted for relevant randomized controlled trials (RCTs). Outcomes were percentage change in lumbar spine, femoral neck, and total hip BMD from baseline. RESULTS: We included 16 RCTs containing 1073 eligible patients in our analysis. We found alfacalcidol+calcium to yield the greatest percentage increase in lumbar spine BMD (MD 6.05, 95% credible interval [CrI] - 4.18 to 16.18) compared to no treatment, and calcitriol+calcium to yield the greatest percentage increase in femoral neck BMD (MD 8.46, 95% CrI - 4.74 to 21.51) compared to no treatment. Cholecalciferol+calcium ranked first in terms of its ability to increase total hip BMD; however this finding needs to be interpreted with caution due to low sample sizes in the cholecalciferol+calcium treatment arm. None of the treatment arms ruled out the possibility of no effect for any outcome. CONCLUSIONS:Alfacalcidol and calcitriol were the most efficacious treatment arms for increasing lumbar spine and femoral neck BMD, respectively. Our findings need to be validated by further investigations using larger, better-designed RCTs. Key Points •The efficacy of calcium/vitamin D compounds was examined using network meta-analyses. •Alfacalcidol + calcium yielded the greatest increase in lumbar spine BMD, calcitriol + calcium yielded the greatest increase in femoral neck BMD. •Future guidelines should place greater emphasis on the efficacy of different vitamin D compounds.
Entities:
Keywords:
Bone mineral density; Calcium; Glucocorticoid; Network meta-analysis; Osteoporosis; Vitamin D
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