None listed
Conditions
Brief summary
This is a double-blind, active-controlled, long-term study of a new experimental drug called darusentan. The purpose of this study is to evaluate the long-term safety of darusentan (50, 100, or 300 mg qd) as compared to an active control (guanfacine 1 mg qd), administered orally. Subjects will be exposed to study drug for an estimated average of 1 year.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
1) Subjects must be competent to provide written informed consent; 2) Subjects must have completed participation in the DAR-312; 3) Female subjects must be of non-childbearing potential (post menopausal for at least 2 years or surgically sterile).
Exclusion criteria
1) Subjects who discontinue treatment with study drug prior to the end of the Maintenance Period in DAR-312 due to a study drug-related adverse event (AE); 2) Subjects who experience a study drug-related serious adverse event (SAE) during the DAR-312 study.