Blood pressure drop halts trials

2. T+02:00:00 [intensity]

intensity 

± PLUS/MINUS — Threshold — something may be present, but it's right at the edge of perception. A stronger experience would confirm it; otherwise it may be nothing.

3. T+00:00:00 [note]

Around two hours after dosing, blood pressure fell sharply while the pulse held steady, a pattern that had also been observed at lower doses and was being monitored. No subjective mental effects were described, and further experiments were cancelled for safety.