ArticleBMC rheumatology2024
Effects of tofacitinib on bone turnover markers and bone modulators in patients with rheumatoid arthritis.
Article in BMC rheumatology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Comparative effectiveness and safety of tofacitinib vs. adalimumab in patients with rheumatoid arthritis: A systematic review and meta-analysis.Frontiers in pharmacology · 2025Pooled it
- Dual Inhibition of GSK3 and JAK by BIO Suppresses Osteoblast Differentiation and Mineralization of Human Mesenchymal Cells.Current issues in molecular biology · 2026Article
- Impact of biologic and targeted synthetic therapies on bone health in immune-mediated inflammatory diseases: a narrative review.Frontiers in medicine · 2026Review
- Bone Mineral Density During Treatment with The Janus Kinase Inhibitor Baricitinib in Patients with Rheumatoid Arthritis: A Monocentric Observational Study.Calcified tissue international · 2025Observational
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRheumatoid arthritis (RA) is characterized by bone loss. It is unclear whether JAK inhibitors can attenuate bone loss in RA by modulating bone metabolism. The main objective of our study is to investigate the effects of tofacitinib on serum levels of bone turnover markers and modulators. Secondary objectives were to assess changes in bone mineral density (BMD), metacarpal index, bone erosions.
methodsWe conducted a prospective observational study on patients with active RA failure to bDMARDs or tsDMARDs initiating treatment with tofacitinib. We measured at baseline and after 1, 2, 3, 6, 9 and 12 months: serum bone turnover markers (CTX, P1nP, B-ALP), bone modulators (Dkk-1, sclerostin, vitamin D, PTH, OPG and RANKL), BMD and radiographic parameters (Sharp van der Heijde score [SvdH], bone health index [BHI] and metacarpal index [MCI]).
results30 patients were enrolled in the study of whom 21 completed the study through month 12. Tofacitinib was clinically effective by suppressing DAS28-CRP. Glucocorticoids daily dose significantly decreased from baseline. We found a negative correlation between pre-study cumulative and daily dose of glucocorticoids and baseline B-ALP serum levels (r -0.592, p 0.012). Sclerostin serum levels increased significantly during the study period, while P1nP and B-ALP (markers of bone formation) decreased significantly. BMD levels, BHI, MCI and SvdH score did not change.
conclusionTreatment with tofacitinib was associated with a significant increase in sclerostin serum levels and a parallel decrease in markers of bone formation. However, no significant bone loss was observed.
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