PMID- 8788485 OWN - NLM STAT- MEDLINE DCOM- 19961204 LR - 20190826 IS - 0166-4328 (Print) IS - 0166-4328 (Linking) VI - 73 IP - 1-2 DP - 1996 TI - Psychobiologic effects of 3,4-methylenedioxymethamphetamine in humans: methodological considerations and preliminary observations. PG - 103-7 AB - 3,4-Methylenedioxymethamphetamine (MDMA) is a phenethylamine with potent effects on serotonergic neurotransmission which has been the object of controversy over its potential as a therapeutic adjunct versus its possible risks for causing neurotoxic injury. This paper discusses the background, methodology and preliminary findings of the first FDA approved Phase I study prospectively evaluating the effects of MDMA administration in humans. Six subjects with prior experience with MDMA were administered two different dosages of MDMA and an inactive placebo utilizing a randomized, double-blind methodologic design. Dosages from 0.25 to 1.0 mg/kg, p.o., were administered. All subjects tolerated the procedures without any overt evidence of physical discomfort or psychological distress. MDMA produced a modest increase in heart rate and blood pressure. The threshold dose for the stimulation of ACTH and prolactin appeared to be between 0.5 and 0.75 mg/kg, with the two higher doses clearly stimulating both ACTH and prolactin. Methodology for assessing MDMA's effects on serotonergic neurotransmission is discussed. FAU - Grob, C S AU - Grob CS AD - Department of Psychiatry, Harbor-UCLA Medical Center, Torrance 90509, USA. FAU - Poland, R E AU - Poland RE FAU - Chang, L AU - Chang L FAU - Ernst, T AU - Ernst T LA - eng GR - DA 06863/DA/NIDA NIH HHS/United States GR - MH 00534/MH/NIMH NIH HHS/United States GR - RR 00425/RR/NCRR NIH HHS/United States PT - Clinical Trial PT - Clinical Trial, Phase I PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - Netherlands TA - Behav Brain Res JT - Behavioural brain research JID - 8004872 RN - 0 (Hallucinogens) RN - 0 (Hormones) RN - 333DO1RDJY (Serotonin) RN - KE1SEN21RM (N-Methyl-3,4-methylenedioxyamphetamine) SB - IM MH - Adult MH - Blood Pressure/drug effects MH - Body Temperature/drug effects MH - Central Nervous System/*drug effects MH - Cerebrovascular Circulation MH - Double-Blind Method MH - Female MH - Hallucinogens/*pharmacology MH - Heart Rate/drug effects MH - Hormones/blood MH - Humans MH - Male MH - N-Methyl-3,4-methylenedioxyamphetamine/*pharmacology MH - Prospective Studies MH - Serotonin/*physiology MH - Tomography, Emission-Computed, Single-Photon EDAT- 1996/01/01 00:00 MHDA- 1996/01/01 00:01 CRDT- 1996/01/01 00:00 PHST- 1996/01/01 00:00 [pubmed] PHST- 1996/01/01 00:01 [medline] PHST- 1996/01/01 00:00 [entrez] AID - 0166-4328(96)00078-2 [pii] AID - 10.1016/0166-4328(96)00078-2 [doi] PST - ppublish SO - Behav Brain Res. 1996;73(1-2):103-7. doi: 10.1016/0166-4328(96)00078-2.