title: Sitaxentan: new drug. Pulmonary hypertension: better to continue to use bosentan.
mesh_terms: D000284:Administration, Oral; D017277:Drug Approval; D065128:Endothelin Receptor Antagonists; D005060:Europe; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D007555:Isoxazoles / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D013449:Sulfonamides / Q000627:therapeutic use; D013876:Thiophenes / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D065128:Endothelin Receptor Antagonists; D007555:Isoxazoles; D013449:Sulfonamides; D013876:Thiophenes