Osteoarthritis

Signals for mineralization and inflammation are observed following treatment with fasinumab, a specific nerve growth factor inhibitor

Osteoarthritis CartilagePublished Post hoc analysis of phase 2 and 3 clinical studies

Authors' conclusion

In this post hoc analysis, signals for bone turnover/mineralization, and inflammation increased following treatment with fasinumab. Increases were generally dose-dependent, reversible, and more pronounced in patients with arthropathy than those without.

Study context

Population
Patients with OA of the knee or hip in phase 2 and 3 clinical studies of fasinumab
Participants
5,772 patients
Comparison
Fasinumab-treated OA patients with arthropathies vs without arthropathies

Primary result

As reported in the abstract

Arthropathy vs No arthropathyDifference, U/L (95% CI)
Alkaline phosphatase, 6 mg every 8 weeks, Week 16
10.36(0.06–20.66)
Arthropathy vs No arthropathyDifference, mg/L (95% CI)
CRP, 6 mg every 8 weeks, Week 16
3.09(0.07–6.12)

Original publication

Signals for mineralization and inflammation are observed following treatment with fasinumab, a specific nerve growth factor inhibitor. Osteoarthritis Cartilage. Published 11 July 2026. doi:10.1016/j.joca.2026.07.005

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