Statement: the primary trial intervention protocol will continue until patients achieve complete response or suffer disease progression. verapamil-sensitive ventricular tachycardia by ecg finding is an electrocardiographic finding of a ventricular tachycardia that is terminated successfully with verapamil administration.
Primary_evidence: INTERVENTION 1:    Pemetrexed   600 mg/m2, intravenous (IV), every 14 days until complete response or disease progression