Mediator effects of parameters of inflammation and neurogenesis from a N-acetyl cysteine clinical-trial for bipolar depression Academic Article uri icon

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abstract

  • AbstractObjectiveThis study aimed to explore effects of adjunctive treatment with N-acetyl cysteine (NAC) on markers of inflammation and neurogenesis in bipolar depression.MethodsThis is a secondary analysis of a placebo-controlled randomised trial. Serum samples were collected at baseline, week 8, and week 32 of the open-label and maintenance phases of the clinical trial to determine changes in interleukin (IL)-6, IL-8, IL-10, tumour necrosis factor-α (TNF-α), C-reactive protein (CRP) and brain-derived neurotrophic factor (BDNF) following adjunctive NAC treatment, and to explore mediation and moderator effects of the listed markers.ResultsLevels of brain-derived neurotrophic factor (BDNF), tumour necrosis factor-α (TNF-α), C-reactive protein (CRP), interleukins (IL) -6, 8, or 10 were not significantly changed during the course of the trial or specifically in the open-label and maintenance phases. There were no mediation or moderation effects of the biological factors on the clinical parameters.ConclusionThe results suggest that these particular biological parameters may not be directly involved in the therapeutic mechanism of action of adjunctive NAC in bipolar depression.

authors

  • Panizzutti, Bruna
  • Bortolasci, Chiara
  • Hasebe, Kyoko
  • Kidnapillai, Srisaiyini
  • Gray, Laura
  • Walder, Ken
  • Berk, Michael
  • Mohebbi, Mohammadreza
  • Dodd, Seetal
  • Gama, Clarissa
  • Magalhães, Pedro V
  • Cotton, Susan M
  • Kapczinski, Flavio
  • Bush, Ashley I
  • Malhi, Gin S
  • Dean, Olivia M

publication date

  • December 2018