Diaryl urea for the treatment of pulmonary hypertension

The present invention treat pulmonary hypertension, for the prevention or management, 4 {4- [3- (4-chloro-3-trifluoromethylphenyl) - ureido] -3-fluorophenoxy} - pyridine-2-carboxylic acid methylamide optionally combined with at least one additional therapeutic agent.