French cross-sectional study of pts on stable sc MTX x several yrs. Examined MTX polyglutamates (MTX-PGs) & disease activity in 34 RA pts (25 remission). + correlation between RA remission & high MTX-PG3 levels in pts w/ BMI <25. BMI may limit utility of PG3 levels… https://t.co/uped4oMkut https://t.co/4fmnDVHYYb