VASPIVisual Analog Scale of Pain Intensity
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significant VASPI score improvement was found in patients with myelopathic pain (19% vs.
The approval of PRIALT was based on three independent pivotal trials, which successfully used the VASPI as the primary endpoint in each study.
The primary efficacy measure was mean percent change in the VASPI score at week three, which showed statistically significant improvement in patients receiving PRIALT vs.