Level of Serum Vitamin B12 Level (in Pmol/L) If Relapse of (AI/ID) Under Tocilizumab research hub

Vitamin B12: a Biological Marker of Systemic Disease or Infection Flare-up in Patients Treated with Tocilizumab?

This study looks at whether Vitamin B12 levels in the blood can help doctors spot flare-ups or infections in people taking tocilizumab. Tocilizumab can hide usual signs of inflammation, making it harder to tell when someone is unwell.