Table 2.
Study visits
| Assessment method | Screening | Procedure | 27 h post-randomization | 7–10 days or discharge | 30-day follow-up | 90-day follow-up | Unscheduled follow-up |
|---|---|---|---|---|---|---|---|
| Range | 0 | 0 | ± 6 h | 0 | ± 7 days | ± 15 days | N/A |
| Pregnancy test | w | – | – | – | – | – | – |
| Blood labs | w | – | – | – | – | – | – |
| NIH Stroke Scale | w | – | w | w | w | w | w |
| Prestroke modified Rankin Scale | w | – | – | – | – | – | – |
| Modified Rankin Scale | – | – | – | w | w | w | w |
| Barthel Index | – | – | – | w | – | w | w |
| MRI or NCCT | w | – | w | – | – | – | – |
| ASPECTS | w | – | – | – | – | – | – |
| MRA or CTA | w | – | w | – | – | – | – |
| Catheter angiography | – | w | – | – | – | – | – |
| Resource utilization | – | – | – | w | w | w | w |
| EuroQol 5D-5L | – | – | – | – | w | w | – |
| Concomitant medications | w | w | w | w | w | w | w |
| Adverse events | w | ww | w | w | w | w | w |
| Optional: Applicable only to sites with DWI/PWI or CTP imaging as local standard of care at initial evaluation: | |||||||
| PWI MR or CT perfusion | w | – | w | – | – | – | – |
| RAPID imaging processing | w | – | w | – | – | – | – |
ASPECTS, Alberta Stroke Program Early CT score; CT, computed tomography; CTA, computed tomography angiography; EuroQoL, European Quality of Life Scale; MR, magnetic resonance; MRA, magnetic resonance angiography; MRI, magnetic resonance imaging; NCCT, non-contrast computed tomography; NIH, National Institutes of Health; RAPID, RApid processing of PerfusIon and Diffusion.