Overview Efficacy, Tolerability and Safety of ALNA® in Patients With Benign Prostatic Syndrome (BPS) Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary Study to assess efficacy, tolerability and safety parameters of a one month ALNA® - treatment after switch from Terazosin-treatment Details Lead Sponsor: Boehringer Ingelheim