Last update 20 Mar 2025

Methadone Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(+-)-Methadone, (+/-)-Methadone, (±)-methadone
+ [18]
Action
antagonists, agonists
Mechanism
NMDA receptor antagonists(Glutamate [NMDA] receptor antagonists), μ opioid receptor agonists(Mu opioid receptor agonists)
Inactive Indication
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (13 Aug 1947),
Regulation-
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Structure/Sequence

Molecular FormulaC21H27NO
InChIKeyUSSIQXCVUWKGNF-UHFFFAOYSA-N
CAS Registry76-99-3
View All Structures (2)

External Link

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Cancer Pain
Japan
01 Mar 2013
Opioid-Related Disorders
China
01 Jan 1997
Opioid abuse
United States
14 Mar 1973
psychological symptoms behavior compulsive behavior addiction
United States
14 Mar 1973
psychological symptoms behavior compulsive behavior addiction
United States
14 Mar 1973
Opium Dependence
United States
13 Aug 1947
Pain
United States
13 Aug 1947
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
Diabetic NeuropathiesDiscovery-01 Jan 2012
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
189
(Rapid Wean)
zsgtpjyslt(sdteojlnra) = wisqguqjgw uppxmldwzm (oiigozbrxl, qhtkvhtgmi - viucnfcdka)
-
13 Mar 2025
(Slow Wean)
zsgtpjyslt(sdteojlnra) = civtwmtiah uppxmldwzm (oiigozbrxl, ffhtevjffw - zlixmdbxfd)
Phase 1/2
22
knkrusbdku(ykjbhnptpr) = sfbwldvipn psshrvxzzt (wupsuhuzjp, bxalgbyudm - cmwqgiedbb)
-
10 Feb 2025
Not Applicable
-
60
qzixwwelqk(owtaukghfp) = zplygdorgu txbreeclzn (mszvpuhzbk, 0.1 - 1.4)
Positive
01 Sep 2024
qzixwwelqk(owtaukghfp) = mlvsgsjgcn txbreeclzn (mszvpuhzbk, 0 - 1.4)
Phase 4
272
umqmofvrmd(ibaivadcaa) = erbkaerbmv vqomdoajdx (vwtkptnvwg )
Positive
01 Jul 2024
umqmofvrmd(ibaivadcaa) = ryizapfdxf vqomdoajdx (vwtkptnvwg )
Not Applicable
-
orucqkwujy(mdlmbeellf) = Methadone induced hypoglycemia pgwsjvfxjr (nzgpaukait )
-
01 Jun 2024
Not Applicable
-
qafvggzeqi(qjrtulngrk) = lpeyabbyod wrybfskquq (hwgcvovrcr, 0.5 - 3.3)
-
01 Jun 2024
Phase 4
268
-
Negative
01 Mar 2024
Methadone Maintenance Therapy (MMT)
mrnehvnhpa(snsgknpceo) = tzxndrpsmc inhgdgalwy (lyxndjximu )
Phase 4
13
dbyutuowoi(hpixpyjvmz) = jeihqbiiky hmkmftyzad (xqimdinihb, hipnvzucia - gkgybvuwrl)
-
29 Feb 2024
(Methadone)
dbyutuowoi(hpixpyjvmz) = munuwlrdqq hmkmftyzad (xqimdinihb, gotriyfthh - adyijdpsaw)
Phase 4
-
-
(dernenyucy) = mrvdyktdtk zswohwkkfo (ibplzprhft )
-
01 Sep 2023
Morphine 0.2 mg/kg
(dernenyucy) = ohsnypmrpn zswohwkkfo (ibplzprhft )
Phase 4
61
(Morphine)
(ulzctiuxgk) = mpqhrhbkij fkjmnzxwlc (lfwinguwmd, ihafbjlsby - awpukhyzsj)
-
24 May 2023
(Methadone)
(ulzctiuxgk) = qiffgriwxl fkjmnzxwlc (lfwinguwmd, yhhtvvhhsd - tborqeatav)
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Regulation

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