Two studies have shown that in the 1990s the number of market withdrawals due to adverse effects increased while the time regulatory agencies have taken to approve new drugs decreased. More recent examples confirm that hasty approvals place patients at an increased risk of serious adverse effects.
两项研究表明，在20世纪90年代，因不良反应而撤市的药品数量有所增加，而监管机构批准新药所需的时间则减少了。更多近期的例子证实，仓促批准会使患者面临更严重不良反应的风险。
