The major pharmacokinetic parameters for piracetam were as follows : t1/2 was ( 4.40 0.179 ) h ; Tmax value was ( 2.33 0.105 ) h ; Cmax was ( 14.53 0.282 ) g/mL ; the AUC ( 0 - ) was ( 59.19 4.402 ) gh/mL .