Patients who were in the non-MTX stratum were either naïve to or had been withdrawn from MTX at least two weeks prior to study drug administration.
Mitte- MTX ravigrupi patsiendid kas ei olnud üldse varem saanud MTX- ravi või olid lõpetanud ravi metotreksaadiga vähemalt kaks nädalat enne uuringuravimi manustamist.