Effects of interferon beta, cyclophosphamide and azathioprine on cytokine profile in patients with multiple sclerosis.

We assessed the in vitro effects of interferon beta-1b (IFNβ-1b), cyclophosphamide (CY), and azathioprine (AZA) alone and of the combination of IFNβ-1b with CY or AZA on the production of Th1 and T...