From: Polymorphism in the Plasmodium falciparum chloroquine-resistance transporter protein links verapamil enhancement of chloroquine sensitivity with the clinical efficacy of amodiaquine
drug
ratio R+/R
EIS 72-76
EIS 72-371
SCV 72-76
SCV 72-371
CQ
1.5
0.29
0.11
0.37
0.77
DCQ
1.9
0
0.02
0.76
AQ
1.4
0.41
0.56
0.35
0.23
DAQ
1.6
0.98*
0.96*
CQ-VE
2.2
0.97*
0.99*
0.94*
0.01