PMID- 21713605 OWN - NLM STAT- MEDLINE DCOM- 20120920 LR - 20211020 IS - 1432-2072 (Electronic) IS - 0033-3158 (Print) IS - 0033-3158 (Linking) VI - 219 IP - 1 DP - 2012 Jan TI - A direct comparison of the behavioral and physiological effects of methamphetamine and 3,4-methylenedioxymethamphetamine (MDMA) in humans. PG - 109-22 LID - 10.1007/s00213-011-2383-4 [doi] AB - RATIONALE: Despite their chemical similarities, methamphetamine and 3,4-methylenedioxymethamphetamine (MDMA) produce differing neurochemical and behavioral responses in animals. In humans, individual studies of methamphetamine and MDMA indicate that the drugs engender overlapping and divergent effects; there are only limited data comparing the two drugs in the same individuals. OBJECTIVES: This study examined the effects of methamphetamine and MDMA using a within-subject design. METHODS: Eleven adult volunteers completed this 13-day residential laboratory study, which consisted of four 3-day blocks of sessions. On the first day of each block, participants received oral methamphetamine (20, 40 mg), MDMA (100 mg), or placebo. Drug plasma concentrations, cardiovascular, subjective, and cognitive/psychomotor performance effects were assessed before drug administration and after. Food intake and sleep were also assessed. On subsequent days of each block, placebo was administered and residual effects were assessed. RESULTS: Acutely, both drugs increased cardiovascular measures and "positive" subjective effects and decreased food intake. In addition, when asked to identify each drug, participants had difficulty distinguishing between the amphetamines. The drugs also produced divergent effects: methamphetamine improved performance and disrupted sleep, while MDMA increased "negative" subjective-effect ratings. Few residual drug effects were noted for either drug. CONCLUSIONS: It is possible that the differences observed could explain the differential public perception and abuse potential associated with these amphetamines. Alternatively, the route of administration by which the drugs are used recreationally might account for the many of the effects attributed to these drugs (i.e., MDMA is primarily used orally, whereas methamphetamine is used by routes associated with higher abuse potential). FAU - Kirkpatrick, Matthew G AU - Kirkpatrick MG AD - Department of Psychology, Columbia University, New York, NY, USA. FAU - Gunderson, Erik W AU - Gunderson EW FAU - Perez, Audrey Y AU - Perez AY FAU - Haney, Margaret AU - Haney M FAU - Foltin, Richard W AU - Foltin RW FAU - Hart, Carl L AU - Hart CL LA - eng GR - K05 DA031749/DA/NIDA NIH HHS/United States GR - DA-03746/DA/NIDA NIH HHS/United States PT - Comparative Study PT - Journal Article PT - Research Support, N.I.H., Extramural DEP - 20110630 PL - Germany TA - Psychopharmacology (Berl) JT - Psychopharmacology JID - 7608025 RN - 44RAL3456C (Methamphetamine) RN - KE1SEN21RM (N-Methyl-3,4-methylenedioxyamphetamine) SB - IM MH - Administration, Oral MH - Adult MH - Cognition/*drug effects/physiology MH - Eating/*drug effects/physiology MH - Female MH - Humans MH - Male MH - Methamphetamine/*administration & dosage MH - N-Methyl-3,4-methylenedioxyamphetamine/*administration & dosage MH - Psychomotor Performance/*drug effects/physiology MH - Sleep/*drug effects/physiology MH - Young Adult PMC - PMC4430833 MID - NIHMS687472 EDAT- 2011/06/30 06:00 MHDA- 2012/09/21 06:00 PMCR- 2015/05/14 CRDT- 2011/06/30 06:00 PHST- 2011/02/03 00:00 [received] PHST- 2011/06/10 00:00 [accepted] PHST- 2011/06/30 06:00 [entrez] PHST- 2011/06/30 06:00 [pubmed] PHST- 2012/09/21 06:00 [medline] PHST- 2015/05/14 00:00 [pmc-release] AID - 10.1007/s00213-011-2383-4 [doi] PST - ppublish SO - Psychopharmacology (Berl). 2012 Jan;219(1):109-22. doi: 10.1007/s00213-011-2383-4. Epub 2011 Jun 30.