Differential Effects of Hallucinogens, Entactogens, and Psychostimulants

Investigators: Euphrosyne Gouzoulis-Mayfrank, MD and Mark Geyer, PhD

Aachen, Germany and UC San Diego – La Jolla, California

Sponsor: Heffter

A study with healthy volunteers with two different hallucinogens and placebo in a double- blind, cross-over design. The aim of the study is to compare the effects of a classic tryptamine hallucinogen on psychosis-like psychopathology and measures of early information processing to the effects of an NMDA-antagonist. References and details