| Concurrent use of digoxin and such drugs as ritonavir or ranolazine can direct to perilous increases in plasma concentrations of digoxin due to inhibitory effects on the P-gp. If, in search instance, overall survival is the first outcome and progression-free survival the surrogate, as these outcomes are correlated, exactly what last relevance equal should be used is unclear. Fine MJ, Auble TE, Ye |
