Drug-Drug Interaction Studies of Esmethadone (REL-1017) Involving CYP3A4- and CYP2D6-Mediated Metabolism.


Journal

Drugs in R&D
ISSN: 1179-6901
Titre abrégé: Drugs R D
Pays: New Zealand
ID NLM: 100883647

Informations de publication

Date de publication:
27 Nov 2023
Historique:
accepted: 02 11 2023
medline: 27 11 2023
pubmed: 27 11 2023
entrez: 27 11 2023
Statut: aheadofprint

Résumé

Esmethadone (dextromethadone; d-methadone; S-methadone (+)-methadone; REL-1017) is the opioid inactive dextro-isomer of racemic methadone. Esmethadone is a low potency N-methyl-D-aspartate (NMDA) receptor channel blocker with higher affinity for GluN2D subtypes. Esmethadone showed robust, rapid, and sustained antidepressant effects in patients with major depressive disorder (MDD) with inadequate response to ongoing serotonergic antidepressant treatment. Here we described the results of in vitro and phase 1 clinical trials aimed at investigating the esmethadone metabolism and possible drug-drug interactions. Esmethadone is primarily metabolized to EDDP (2-ethylene-1,5-dimethyl-3,3-diphenylpyrrolidine) by multiple enzymes, including CYP3A4/5 and CYP2B6. In vitro studies showed that esmethadone inhibits CYP2D6 with IC In summary, esmethadone demonstrated a negligible effect on CYP3A4 induction and its metabolism was not meaningfully affected by strong CYP3A4 inhibitors while it increased exposure of CYP2D6-metabolized drugs.

Sections du résumé

BACKGROUND AND OBJECTIVE OBJECTIVE
Esmethadone (dextromethadone; d-methadone; S-methadone (+)-methadone; REL-1017) is the opioid inactive dextro-isomer of racemic methadone. Esmethadone is a low potency N-methyl-D-aspartate (NMDA) receptor channel blocker with higher affinity for GluN2D subtypes. Esmethadone showed robust, rapid, and sustained antidepressant effects in patients with major depressive disorder (MDD) with inadequate response to ongoing serotonergic antidepressant treatment.
METHODS METHODS
Here we described the results of in vitro and phase 1 clinical trials aimed at investigating the esmethadone metabolism and possible drug-drug interactions.
RESULTS RESULTS
Esmethadone is primarily metabolized to EDDP (2-ethylene-1,5-dimethyl-3,3-diphenylpyrrolidine) by multiple enzymes, including CYP3A4/5 and CYP2B6. In vitro studies showed that esmethadone inhibits CYP2D6 with IC
CONCLUSIONS CONCLUSIONS
In summary, esmethadone demonstrated a negligible effect on CYP3A4 induction and its metabolism was not meaningfully affected by strong CYP3A4 inhibitors while it increased exposure of CYP2D6-metabolized drugs.

Identifiants

pubmed: 38010591
doi: 10.1007/s40268-023-00450-6
pii: 10.1007/s40268-023-00450-6
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2023. The Author(s).

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Auteurs

Nicola Ferri (N)

Department of Medicine-DIMED, University of Padua, 35122, Padua, Italy. nicola.ferri@unipd.it.
Veneto Institute of Molecular Medicine, Via Giuseppe Orus 2, 35129, Padua, Italy. nicola.ferri@unipd.it.

Sara De Martin (S)

Department of Pharmaceutical and Pharmacological Sciences, University of Padua, 35122, Padua, Italy.

James Stuart (J)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Sergio Traversa (S)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Franco Folli (F)

Department of Health Sciences, University of Milan, 20122, Milan, Italy.

Marco Pappagallo (M)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Cedric O'Gorman (C)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Clotilde Guidetti (C)

Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Pediatric Hospital, IRCCS, Rome, Italy.

Andrea Mattarei (A)

Department of Pharmaceutical and Pharmacological Sciences, University of Padua, 35122, Padua, Italy.

Charles E Inturrisi (CE)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Paolo L Manfredi (PL)

Relmada Therapeutics, Coral Gables, FL, 33134, USA.

Classifications MeSH