From: Increased primaquine total dose prevents Plasmodium vivax relapses in patients with impaired CYP2D6 activity: report of three cases
Patient
Allele 1
Allele 2
Activity score
CYP2D6 phenotype
Case 1
*9
*4
0.5
Intermediate metabolizer (gIM)
Case 2
0
Poor metabolizer (gPM)
Case 3
*41
1.0
Normal-slow (gNM-S)