Comment on

• Rheumatoid factor, but not anti-cyclic citrullinated peptide antibodies, is modulated by infliximab treatment in rheumatoid arthritis.

  De Rycke L, Verhelst X, Kruithof E, Van den Bosch F, Hoffman IE, Veys EM, De Keyser F. De Rycke L, et al. Ann Rheum Dis. 2005 Feb;64(2):299-302. doi: 10.1136/ard.2004.023523. Epub 2004 May 27. Ann Rheum Dis. 2005. PMID: 15166003 Free PMC article.
• Decrease of anti-cyclic citrullinated peptide antibodies and rheumatoid factor following anti-TNFalpha therapy (infliximab) in rheumatoid arthritis is associated with clinical improvement.

  Alessandri C, Bombardieri M, Papa N, Cinquini M, Magrini L, Tincani A, Valesini G. Alessandri C, et al. Ann Rheum Dis. 2004 Oct;63(10):1218-21. doi: 10.1136/ard.2003.014647. Ann Rheum Dis. 2004. PMID: 15361374 Free PMC article. Clinical Trial.