Qalabkan waxaa loo isticmaalaa in vitro lagu ogaado tayada tayada leh ee polymorphism ee CYP2C19 hiddo-wadaha CYP2C19*2 (rs4244285, c.681G>A), CYP2C19*3 (rs4986893, c.636G>A), CYP2C12*206 (rs4244285) > T) ee DNA-da genomic ee shaybaarrada dhiigga dadka oo dhan.