Tianeptine: An atypical antidepressant with multimodal pharmacology

Sarah J. Bailey, Abdulrahman Almatroudi, Andreas Kouris

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Abstract

Background: Tianeptine is an atypical antidepressant marketed as Stablon since the late 1980’s. While chemically very similar to tricyclic antidepressants, tianeptine was thought to have the apparently paradoxical mechanism of action of enhancing serotonin reuptake. However, recent data highlight a multimodal pharmacology for tianeptine including actions at glutamatergic synapses (inhibiting NMDA receptors and an indirect effect on AM-PA receptors) coupled with agonist effects at mu opioid receptors (-receptors). Objective: We have reviewed clinical and preclinical data for tianeptine to provide a compre-hensive study of its pharmacology. Results: Clinical trials show that tianeptine is at least as efficacious as first-line antidepres-sant treatments, with improved tolerability as it is significantly less prone to disrupting the patient's normal functionality. Tianeptine appears more efficacious in males than females, although these gender-specific differences may be accounted for by pharmacokinetics. Pre-clinical data suggest that the ability to stabilise glutamatergic neurotransmission may underlie tianeptine’s ability to improve cognitive function and anxiety-related symptoms. Alternative-ly, μ-receptor activation of the mTOR signalling pathway could lead tianeptine to be a fast-acting antidepressant. Agonist actions at μ-receptors could also explain the potential abuse li-ability and dependence issues seen with high dose tianeptine. Conclusion: Tianeptine itself is off patent, but it still holds much promise as an experimental tool yielding valuable insights into the molecular mechanisms underlying depression.
Original languageEnglish
Pages (from-to)94-110
JournalCurrent Psychopharmacology
Volume6
Issue number2
Early online date17 May 2017
DOIs
Publication statusPublished - 2017

Keywords

  • Depression
  • Anxiety
  • Opioid receptors
  • Serotonin
  • Glutamate
  • Gender

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