[Doxazosine associated to renin-angiotensin blockers and calcioantagonists in chronic renal failure patients].

Objective: To evaluate the safety and effectiveness of the alfa-blocker doxazosin GITS in CRF patients.

Design And Methods: The study recruited 203 CRF patients (creatinine > 1,4 mg/dl for males, creatinine > 1,2 mg/dl for females, or creatinine clearance < 80 ml/min). All patients were receiving ACE inhibitores (63.