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Table 1 Comparative inhibitory activities of Proveblue and primaquine on Plasmodium yoelii, Plasmodium falciparum and Plasmodium cynomolgi

From: Differential activity of methylene blue against erythrocytic and hepatic stages of Plasmodium

Drugs

Methylene blue

Primaquine

Parasites

IC50 (µM)

TI

Size reduction at 11 µM (%)

IC50 (µM)

TI

Size reduction at 11 µM (%)

P. yoelii (MH)

>  100

1

10

0.64 ± 0.1a

110a

ND

P. falciparum (HH)

>  100

1

10

0.6 ± 0.06

66.5

100

P. cynomolgi (SH)

>  100

1

10

2.72 ± 0.34

14.22

70

  1. MH mouse hepatocytes; HH human hepatocytes; SH simian hepatocytes; TI therapeutic index: TC50/IC50, ND not determined
  2. a[51]