摘要: Differences in drug pharmacokinetics between newborn and adult mammals are reviewed. The pharmacokinetic alterations during the maturation process related to changes pattern of absorption, distribution, metabolism, renal excretion. most pronounced feature neonates vs adults is prolonged elimination half-life drugs. main factors causing delayed under-developed clearance immature metabolism Special attention has be paid central nervous system depressants drugs that extensively metabolized because they will accumulate with repeated dosing animals.