We assigned children , via a randomisation list with block sizes of either four or eight , to orally receive albendazole ( 400 mg ) plus ivermectin ( 200 g/kg ) ; albendazole ( 400 mg ) plus mebendazole ( 500 mg ) ; albendazole ( 400 mg ) plus oxantel pamoate ( 20 mg/kg ) ; or mebendazole ( 500 mg ) alone .