Trandolapril/verapamil
Trandolapril/verapamil (Tarka) is an oral antihypertensive medication that combines a slow release formulation of verapamil hydrochloride, a calcium channel blocker, and an immediate release formulation of trandolapril, an ACE inhibitor. The patent, held by Abbott Laboratories, expired on February 24, 2015.
This combination medication contains angiotensin-converting enzyme (ACE) inhibitor and calcium channel blocker and is prescribed for high blood pressure.

References
External links
"Trandolapril mixture with verapamil hydrochloride". Drug Information Portal. U.S. National Library of Medicine.