this double-blind , placebo-controlled , four-period cross-over study was undertaken to evaluate the sustained-release characteristics of long-acting propranolol hydrochloride ( inderal la , ayerst laboratories , new york , ny ) 60 mg qd , to compare the pharmacokinetic and pharmacodynamic properties of this formulation with conventional propranolol 20 mg tid , and to evaluate the proportionality of long-acting propranolol 60 mg ( la 60 mg ) and long-acting propranolol 80 mg ( la 80 mg ) .
C0282321
propranolol hydrochloride
C0033497
propranolol