The ACTION study which issued in 2004 confirmed that CCBs (nifedipine GITS) significantly reduced the incidence of debilitating stroke, any stroke or transient ischemic attack (TIA).

• 2004年公布的ACTION研究证实ACTION研究提示：冠心病有高血压的患者采用CCB能使致死性卒中的发生明显减少。