TNF and rheumatoid arthritis: Courvoisier et al. (67) recently published a pooled analysis of observational data, of those on treatment with Rituximab, Abatacept, Tocilizumab or TNFi, and demonstrated greater effectiveness of non-TNFi bDMARDs, especially Rituximab and Abatacept (vs. TNF) in seropositive patients with RA.