Salivary gland biopsies
Thirty-five biopsy samples from 19 patients (19 samples) at baseline (8 in the placebo group and 11 in RO5459072 group) and 16 samples after 12 weeks’ treatment (5 in the placebo group and 11 in the RO5459072 group) were processed for histological examination, including the change from baseline in focus score (number of lymphocytic foci per 4 mm