in a pilot control project of opisthorchis viverrini in the village of nong wai irrigation area , khon kaen , northeast thailand , selected population based chemotherapy with a single dose of 40 mg/kg of praziquantel ( 2 - cyclohexylcarbonyl-1,2,3,6,7,11 b-hexahydro-4h-pyrazino [ 2,1-a ] isoquinolin-4-one , embay8440 , biltricide ) was given to the stool positive cases once a year for a period of 3 years commencing may 1981 .
C0032911
praziquantel
C0702014
biltricide