γ-aminobutyric acid amides of nortriptyline and fluoxetine display improved pain suppressing activity

Ada Rephaeli*, Irit Gil-Ad, Ana Aharoni, Igor Tarasenko, Nataly Tarasenko, Yona Geffen, Efrat Halbfinger, Yotam Nisemblat, Abraham Weizman, Abraham Nudelman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The GABA amides of the antidepressants nortriptyline and fluoxetine, 1 and 2, were compared to their respective parent compounds in rodent models of pain. The amides significantly reduced early nociceptive and late inflammatory responses compared to nortriptyline or fluoxetine, where 1 exhibited overall better efficacy than 2. Amide 1 was most efficacious in lowering cytokine secretion, edema and hyperalgesia induced by formalin and λ-carrageenan, respectively. Thus, 1 is a promising candidate for the treatment of pain.

Original languageEnglish
Pages (from-to)3010-3017
Number of pages8
JournalJournal of Medicinal Chemistry
Volume52
Issue number9
DOIs
StatePublished - 14 May 2009

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