French OL trial of PCV13 vaccination in 248 early, DMARD Naive RA pts starting MTX @ same time or after 1 month delay. 1 mo delay in MTX resulted in significantly higher responses (46%, 65%) vs. pts vax while taking MTX. Signif responses seen 1 yr later. RA activity equal betw. https://t.co/AnqK89ZJtE