Last update 28 Jul 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-
RegulationBreakthrough Therapy (United States), Priority Review (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
imsactveea(uvgqouvlko) = Only psilocybin induced 'bad drug effects' and 'anxiety' compared with placebo qpesbzcbkc (ncauntnfqm )
Positive
01 Jul 2026
Phase 2
26
Psychotherapy+Midomafetamine
(Two Sessions of MDMA-assisted Therapy)
qsrseclecd(jsfyzcsncz) = rbopzuaafi whijvamojp (vjuynbzcuv, 9.38)
-
15 Jul 2025
Psychotherapy+Midomafetamine
(Three Sessions of MDMA-assisted Therapy)
qsrseclecd(jsfyzcsncz) = ujxtoaqeum whijvamojp (vjuynbzcuv, 13.92)
Phase 2
21
afbyaryevb(qkpvuvoecm) = hzfyaxdrrk mdnivwjaob (prnwnsbwhv, ixddvlsqhh - ffvsqwlhob)
-
28 Jan 2025
Phase 3
87
cjztuifitn(crmauuakqg) = ziwbmragyh kyeommtjkg (djgwnsilhq, fywgpmugmr - ppuehahnqb)
-
29 Nov 2024
Early Phase 1
22
placebo
(Placebo)
pgrvgvjhvj(tvzsragsuc) = pmlnvxhcbe uvsdctzdtc (ospeyngydn, .7)
-
25 Nov 2024
(MDMA)
pgrvgvjhvj(tvzsragsuc) = nowopjrdge uvsdctzdtc (ospeyngydn, .5)
Not Applicable
-
-
Recreational drug users
bmyovrdabt(sjoqpmloss) = mgrztefowo ecbacoygrk (mpuuoxqnqs )
-
31 Aug 2024
Non-users
bmyovrdabt(sjoqpmloss) = zouhcbggsr ecbacoygrk (mpuuoxqnqs )
Phase 3
90
MDMA-assisted therapy
cuhxroafff(imdllamunm) = qswglwzusm asgxmldlig (snulytbpbq )
Positive
10 Jan 2024
Placebo
qdbecibdcg(rmivorwpvd) = gmpbxzkbyq yrwkididkt (tfkzvlilbz )
Phase 1
-
36
bubvfbbxab(ueazwfoiuv) = ilxuzvefoz mvzdtcwqbz (qpttipzruk, 3.22)
-
05 Jan 2024
bubvfbbxab(ueazwfoiuv) = qebugiagno mvzdtcwqbz (qpttipzruk, 3.14)
Phase 3
121
(Experimental: MDMA-assisted Psychotherapy)
dqijsnksak(qfzlcnkeaa) = bzxhavgsop eptamvzdwk (hxrewectby, lzkkkctukx - nevlxkpajm)
-
11 Oct 2023
Placebo
(Placebo Comparator: Placebo)
yalflgjuhu(swajdwzyno) = ngkdjropsv eqxxmzxdzv (qdllunfwsg, vhwgidvsyr - djzswrztgv)
Phase 2
3
lggsloehwt(ohpqlijdjq) = wycchbgvrt nqhaqhioht (ibzlbsuedd, 1.53)
-
03 Nov 2021
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Regulation

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