entacapone + propranolol

This is a combination of two small molecule drugs, entacapone and propranolol. Entacapone is a selective and reversible inhibitor of catechol-O-methyltransferase (COMT), used primarily as an adjunct to levodopa/carbidopa therapy in Parkinson's disease to prolong the effect of levodopa by inhibiting its peripheral metabolism[1][2][6]. Propranolol is a non-selective beta-adrenergic receptor antagonist (beta blocker) used for the treatment of hypertension, arrhythmias, angina pectoris, migraine prophylaxis, and anxiety[10]. There are no known approved or marketed products combining these two agents into a single formulation; this entry describes their combined pharmacology.