The early ‘90s witnessed the rise of thrombolytic RCTs for acute ischemic stroke. This article focuses on the impact of these trials on the development of the tPA time window for acute ischemic stroke treatment.
ECASS-1
The first tPA trial was a double-blinded RCT of acute ischemic stroke sufferers presenting within six hours of the onset of symptoms. Data analysis was conducted through modified intention to treat and intention-to-treat strategies.
There was a clinically relevant improvement in patients who took tPA, but it was not statistically significant. However, the modified analysis saw statistical …






