Osteoporosis treatment by zoledronic acid painful if low vitamin D (nomogram) – Oct 2023

Prediction of musculoskeletal pain after the first intravenous zoledronic acid injection in patients with primary osteoporosis: development and evaluation of a new nomogram

BMC Musculoskeletal Disorders vol 24, #: 841 (2023) https://doi.org/10.1186/s12891-023-06965-y
Xiaoxia Zheng, Jiangnan Ye, Qunzhang Zhan, Weifeng Zhao, Zhongqin Liao, Xiaolin Ye & Chongzheng Qu

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Objective
To construct a new prediction nomogram to predict the risk of musculoskeletal pain in patients with primary osteoporosis who receive zoledronic acid intravenously for the first time.

Method
Clinical data of 368 patients with primary osteoporosis who received the first intravenous injection of zoledronic acid in our hospital from December 2019 to December 2022 were studied. Patients were divided into a musculoskeletal pain group (n = 258) and a non-musculoskeletal pain group (n = 110) based on the presence or absence of musculoskeletal pain 3 days after injection. Statistically significant predictors were screened by logistic regression analysis and the minimum absolute contraction and selection operator (LASSO) to construct a nomogram. The nomogram was evaluated by the receiver operating characteristic (ROC) curve, the calibration curve, the C-index, and the decision curve analysis (DCA) and verified in a validation cohort.

Results
The independent predictors of the nomogram were

  • age,
  • serum 25-hydroxyvitamin D,
  • NSAIDs,
  • prior Vitamin D intake, and
  • BMI.

The area under the ROC curve (AUC) was 0.980 (95% CI, 0.915–0.987), showing excellent predictive performance. The nomogram c index was 0.980, and the nomogram c index for internal verification remained high at 0.979. Moreover, calibration curves show that the nomogram has good consistency. Finally, the DCA showed that the net benefit of the nomogram was 0.20–0.49.

Conclusion
Musculoskeletal pain is a common symptom of APR in OP patients treated with intravenous zoledronic acid. Risk factors for musculoskeletal pain after zoledronic acid injection in OP patients were: non-use of NSAIDs, youth (<80 years old), serum 25 (OH) D<30ng /mL, no prior intake of vitamin D, BMI<24 kg /m2. A nomogram constructed from the above predictors can be used to predict musculoskeletal pain after the first zoledronic acid injection.
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Wikipedia - How to use a nomogram

VitaminDWiki – Overview Osteoporosis and vitamin D contains

  • FACT: Bones need Calcium (this has been known for a very long time)
  • FACT: Vitamin D improves Calcium bioavailability (3X ?)
  • FACT: Should not take > 750 mg of Calcium if taking lots of vitamin D (Calcium becomes too bio-available)
  • FACT: Adding vitamin D via Sun, UV, or supplements increased vitamin D in the blood
  • FACT: Vitamin D supplements are very low cost
  • FACT: Many trials, studies. reviews, and meta-analysis agree: adding vitamin D reduces osteoporosis
  • FACT: Toxic level of vitamin D is about 4X higher than the amount needed to reduce osteoporosis
  • FACT: Co-factors help build bones.
  • FACT: Vitamin D Receptor can restrict Vitamin D from getting to many tissues, such as bones
  • It appears that to TREAT Osteoporosis:
  •        Calcium OR vitamin D is ok
  •        Calcium + vitamin D is good
  •        Calcium + vitamin D + other co-factors is great
  •        Low-cost Vitamin D Receptor activators sometimes may be helpful
  • CONCLUSION: To PREVENT many diseases, including Osteoporosis, as well as TREAT Osteoporosis
  • Category Osteoporosis has 218 items
  • Category Bone Health has 311 items

Note: Osteoporosis causes bones to become fragile and prone to fracture
  Osteoarthritis is a disease where damage occurs to the joints at the end of the bones

VitaminDWiki – Osteoporosis category contains

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