DOM, a hallucinogen related to mescaline and amphetamine and designated "STP" by hippies, along with DOET, the ethyl homologue of DOM, were given in small doses to normal subjects in a double-blind study. Both drugs increased self-awareness and produced mild euphoria but no hallucinogenic or psychotomimetic effects. The two drugs "freed up" subjects' word associations without impairing memory...
We have assessed the effects in normal control volunteers of 2,5-dimethoxy-4-methyl-amphetamine, the chemical present in the hallucinogenic drug STP, in two independent trials. In low doses, this compound produces a mild euphoria. Doses greater than 3 milligrams may cause pronounced hallucinogenic effects lasting about 8 hours and similar to those produced by hallucinogenic doses of lysergic...