Which clinical and psychosocial factors have been implicated in a lack of response to MTX?
Reference1. Sergeant JC, Hyrich KL, Anderson J, et al. Prediction of primary non-response to methotrexate therapy using demographic, clinical and psychosocial variables: results from the UK Rheumatoid Arthritis Medication Study (RAMS). Arthritis Res Ther. 2018;20:147. doi: 10.1186/s13075-018-1645-5.