Comparison of efficacy and tolerability of azathioprine, mycophenolate mofetil, and cyclophosphamide among patients with neuromyelitis optica spectrum disorder: A prospective cohort study

MMF is a good first-line treatment option for NMOSD and AZA remains a valuable first-line drug if its side effects are tolerable while CTX can be a treatment option for patients who cannot tolerate AZA and MMF.