Phencyclidine, lysergic acid diethylamide, and mescaline: cerebral artery spasms and hallucinogenic activity.

Phencyclidine (PCP), lysergic acid diethylamide (LSD), and mescaline produced potent contractile responses on isolated basilar and middle cerebral arteries, where, in terms of potency, LSD greater than mescaline greater than PCP. All three drugs produced cerebrovasospasm in a concentration range which parallels that needed for their psychotomimetic and… CONTINUE READING