Ketamine in Bipolar Depression – A Review


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An excellent review of Ketamine, a rapid-acting antidepressant and anti-suicidal agent, in Bipolar Depression

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Efficacy of Ketamine in Bipolar Depression: Systematic Review and Meta-analysis. 

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Parsaik AK1, Singh B, Khosh-Chashm D, Mascarenhas SS.

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OBJECTIVE: To consolidate the evidence from the literature to evaluate the role of ketamine in the treatment of bipolar depression.

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METHODS: Major databases, including MEDLINE, EMBASE, Cochrane, and Scopus, were searched through October 2014, for studies reporting the role of ketamine in the treatment of bipolar depression. Only randomized controlled trials were included in the meta-analysis. We calculated standardized mean differences (SMDs) with SE for each study included in the meta-analysis. A random effect model was used to calculate the pooled SMDs. Heterogeneity was assessed using the Cochran Q test and I statistic.

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RESULTS: Of the 721 articles that were screened, 5 studies that enrolled a total of 125 subjects with bipolar depression (mean age, 44.6+/-4.3y and 65.6% females) were included in the systematic review; 3 randomized controlled trials (69 subjects) were included in the meta-analysis. The meta-analysis showed significant improvement in depression among patients receiving a single dose of intravenous ketamine compared with those who received placebo (SMD=-1.01; 95% confidence interval, -1.37, -0.66; P<0.0001). The maximum improvement was observed 40 minutes after the ketamine infusion. No heterogeneity was observed between the studies (Cochran Q test P=0.38, I=0%). The 2 studies that were excluded from the meta-analysis also showed significant improvement in depression after ketamine therapy. Individual studies also reported improvement in anhedonia and suicidal ideation after ketamine therapy. None of the subjects had serious side effects, and the side effects were similar between the ketamine and placebo groups.

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CONCLUSIONS: This study suggests that ketamine is effective in treatment-resistant bipolar depression and may reduce suicidal ideation and anhedonia.

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The material on this site is for informational purposes only, and is not a substitute for medical advice,

diagnosis or treatment provided by a qualified health care provider.

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If you wish an appointment, please telephone my office.

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Oxytocin, Astrocytes, Modification of Amygdala Circuits and Pain – IASP Early Research Career Grant Report


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As a physician who prescribes Oxytocin [OT] and sees profound relief of many forms of intractable pain and/or relief of treatment refractory Major Depressive Disorder or Anxiety and Panic Disorder, this research on mechanisms is deeply meaningful and long awaited. Oxytocin is a hormone made in the brain, but also in the heart and other organs in women and men. It is rare to find work on glia and oxytocin.

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Today the International Association for Study of Pain announced the final report from their 2012 Early Research Career Grant:

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“Dr. Alexander Charlet of the Centre National de la Recherche Scientifique (CNRS) in Strasbourg, France, has submitted his final report for his project “Involvement of astrocytes in the endogenous oxytocin modification of amygdala microcircuits….”

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“Dr. Charlet’s project focuses on the functional consequences of endogenous OT release in amygdala microcircuits on nociception and pain. In addition, he aims to decipher the precise mechanism, cellular and molecular, by which OT exerts its action. Thus, the purposes of his project are to characterize in vivo and in vitro the effects of endogenous OT in the amygdala on pain-related symptoms….

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.….”In addition, he was surprised to discover that perceptions of his project’s importance grew once it was awarded and triggered future collaborations: a Marie Curie European Action Career Integration Grant and the French Initiative d’Excellence Attractivity.”

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“As a result, Dr. Charlet also received two major personal prizes: an award from Swiss Society for Biological Psychiatry in 2012 and award from the French Académie nationale de medicine with the prestigious Albert Sézary price in 2013. Finally, he has been recruited as a neurosciences permanent researcher by the CNRS and recently opened his independent lab.”

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The material on this site is for informational purposes only.

It is not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider.

~~~~~

Please understand that it is not legal for me

to give medical advice without a consultation.

If you wish an appointment, please telephone my office.

.

For My Home Page, click here:  Welcome to my Weblog on Pain Management!

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