Randomised, double-blind, placebo-controlled Phase I single ascending dose IV infusion study (n=50) assessing safety, PK/PD and tolerability of target-controlled DMT infusion in healthy smokers.
Adaptive, randomized, double-blind, placebo-controlled single ascending dose study evaluating safety, pharmacodynamics and pharmacokinetics of a 90-minute target-controlled intravenous infusion of DMT in healthy regular smokers.
Primary outcomes assess treatment-emergent (S)AEs, vital signs, respiratory rate, ECG, laboratory tests, psychotic symptoms (BPRS), serotonergic toxicity (Hunter criteria) and suicidality (C-SSRS); secondary measures include Neurocart battery, PK sampling, EEG and subjective psychedelic rating scales (HRS, MEQ, 5D-ASC).
Single ascending IV infusion of DMT hemifumarate; target-controlled 90-minute infusion.
Target-controlled 90-minute continuous IV infusion; starting dose 0.12 mg/kg, maximum anticipated 2.1 mg/kg.
Matching 0.9% saline IV infusion (placebo)
0.9% saline, 90-minute continuous IV infusion (placebo).