Study drug
STERILE
DMT hemifumarate (99.9% high-performance liquid chromatography purity, ReseaChem GmbH, Burgdorf, Switzerland) was formulated according to good manufacturing practice in sterile units that contained 5 mg/ml (vials for the bolus dose) and 18 mg/ml (vials for the infusion) of DMT in 1 ml of purified water. 5 mg of DMT hemifumarate contains 3.82 mg of DMT freebase and is equivalent to 6.2 mg of DMT fumarate. The exact analytically confirmed DMT hemifumarate content (mean ± SD) was 4.83 ± 0.01 mg (