FCGR2A and rheumatoid arthritis: In contrast, the results of a meta-analysis performed in 3058 Caucasian patients diagnosed with RA undergoing TNFi therapy showed that Caucasian patients carrying the FCGR2A rs1801274-AA genotype had a lower EULAR response following treatment with ADA (p = 0.029; OR = 0.591, 95% CI = 0.37–0.95; I2 = 0, pheterogeneity = 0.770) [22].