Bosentan versus nifedipine in the treatment of vasculopathy in systemic sclerosis patients: A randomized control trial.

Background: Bosentan is effective agent in scleroderma vasculopathy. However, there are no studies evaluating effectiveness of bosentan in Vietnamese patients, where nifedipine is still the common treatment.

Objective: To compare the efficacy of bosentan versus nifedipine in scleroderma vasculopathy in Vietnamese patients.