Acute effects of oral alprenolol on exercise tolerance in patients with angina pectoris. A dose-response study.

Abstract

Ten trained patients with typical angina pectoris took part in a double-blind cross-over study to assess the effects on exercise tolerance of 50 and I00 mg alprenolol and placebo, on three successive days. On the fourth day, a known dose of 200 mg alprenolol was given.