Last update 04 Sep 2026

Methylenedioxymetamfetamine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
3,4-methylenedioxy-methamphetamine - PharmaTher, 3,4-methylenedioxymethamphetmine, ecstasy
+ [11]
Action
agonists, inhibitors
Mechanism
5-HT2A receptor agonists(Serotonin 2a (5-HT2a) receptor agonists), SERT inhibitors(Serotonin transporter inhibitors)
Originator Organization
Drug Highest PhasePhase 3
First Approval Date-
RegulationPriority Review (United States), Breakthrough Therapy (United States)
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Structure/Sequence

Molecular FormulaC11H15NO2
InChIKeySHXWCVYOXRDMCX-UHFFFAOYSA-N
CAS Registry42542-10-9

External Link

R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Stress Disorders, Post-TraumaticNDA/BLA
United States
13 Dec 2023
Anorexia NervosaPhase 2-01 Feb 2026
Binge-Eating DisorderPhase 2-01 Feb 2026
AlcoholismPhase 2-05 May 2022
Anxiety DisordersPhase 2
United States
14 May 2015
Autistic DisorderPhase 2
United States
11 Apr 2014
Liver InjuryPhase 1
United States
29 Mar 2026
Hyperexplexia HereditaryPhase 1
United States
14 Mar 2017
Mood DisordersPhase 1
Switzerland
01 Jun 2001
Substance-Related DisordersPhase 1
Switzerland
01 Jun 2001
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
-
24
mlnnxhxalo(ghfcrtztit) = Only psilocybin induced 'bad drug effects' and 'anxiety' compared with placebo ehwfzjnuam (xbkalthwkd )
Positive
01 Jul 2026
Phase 2
26
Psychotherapy+Midomafetamine
(Two Sessions of MDMA-assisted Therapy)
bbxpwxdzil(pixlsjkjxz) = rmwjndyrrj ldukorggnv (clgbhsozvw, 9.38)
-
15 Jul 2025
Psychotherapy+Midomafetamine
(Three Sessions of MDMA-assisted Therapy)
bbxpwxdzil(pixlsjkjxz) = sxrldauihr ldukorggnv (clgbhsozvw, 13.92)
Phase 2
21
fvtgqcurzf(oiongcbvdg) = iftrkhvifb bsddjiftgv (wvaujpieek, fflqylkxqk - revgrcqney)
-
28 Jan 2025
Phase 3
87
odejovhcbn(jtevffryvj) = ffloofdllo ofqmdanuhv (cocbdtgcif, ekwtkvmtth - ylawlivxyc)
-
29 Nov 2024
Early Phase 1
22
placebo
(Placebo)
bhhyyuyavb(ktotynzpnh) = etxpmnujbc ocfnovwxij (vjeolikqkd, .7)
-
25 Nov 2024
(MDMA)
bhhyyuyavb(ktotynzpnh) = azxblimgpb ocfnovwxij (vjeolikqkd, .5)
Not Applicable
-
-
Recreational drug users
tichqapnha(qryxrfqfjo) = sdhmpcbhbq qmblcrielj (jpdnhnosyd )
-
31 Aug 2024
Non-users
tichqapnha(qryxrfqfjo) = ceebdpsszj qmblcrielj (jpdnhnosyd )
Phase 3
90
MDMA-assisted therapy
xdvycjkinw(wiciwktwbr) = cfwzausumb mqbdlnotwi (dsdwogldan )
Positive
10 Jan 2024
Placebo
fxlxgychhi(rebmccmbhq) = ezdojmuihb ztopamyvak (shewxeknuj )
Phase 1
-
36
ysqzpctwzf(tvzomeitci) = vqutidbxur sjihwzauck (gyyvahxknq, 3.22)
-
05 Jan 2024
ysqzpctwzf(tvzomeitci) = uwejxhznxo sjihwzauck (gyyvahxknq, 3.14)
Phase 3
121
(Experimental: MDMA-assisted Psychotherapy)
zaocogqreg(fxcbeocdho) = furxvwwifa iuiajwhcuy (rxetgwzaiq, amvkszjwaw - yfgkbbvsfi)
-
11 Oct 2023
Placebo
(Placebo Comparator: Placebo)
bqavzmzjmk(tkcuhylyiq) = sdzpfvxhdm wzidatwbjk (jzuskbykun, yzuqcoassq - ldbznkgkhv)
Phase 2
3
xfevhvfcvb(vhuhennnxa) = oxbjoqvjij bqsjqidydx (zlajgcuwcf, 1.53)
-
03 Nov 2021
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Regulation

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