◦ Given orally as enteric coated formulations (unstable in acidic medium in stomach) ◦ Pro-drugs (converted to the active form after administration in gastric gland -parietal cells-) ◦ Rapidly absorbed from the intestine then distributed in blood then activated in stomach ◦ Activated within the acidic medium of parietal cell canaliculi (the site of action) ◦ At neutral pH, PPIs are inactivated - 需要HCl(酸中) - ◦不应与H2阻滞剂结合 - 因为它们会抑制肝脏酶 - 或抗酸剂,因为它们减少了Hcl→PPIS灭活PPIS◦ppis◦食物→在食物中降低了一小时,而在一小时下降低了一小时的时间,在进餐前一小时,每日摄氏量很长一段时间。 CYT-P450(药物相互作用的原因)→严重肝衰竭需要减少
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