PCLAF and transient ischemic attack: In another clinical study, breviscapine injection reduced plasma alpha granule membrane protein (GMP-140), platelet activating factor (PAF) and platelet aggregation rate in patients with cerebral ischemia, and improved transient ischemic attack (TIA) patients with platelet activity index, the total effective rate of treatment reached 94.34%, and the total incidence of adverse events was lower than that of the conventional treatment group (Jiang, 2017).