CBD & Depression

Research studies have shown that compared to pharmaceutical drugs which can take 3 to 4 weeks before improving symptoms, a single dose of CBD shows virtually immediate effect with the benefits still apparent after a week.

A study compliant with ethical standards shows us that CBD offers a rapid and efficient therapeutic treatment for depression

Cannabidiol Induces Rapid and Sustained Antidepressant-Like Effects Through Increased BDNF Signaling and Synaptogenesis in the Prefrontal Cortex

Currently available antidepressants have a substantial time lag to induce therapeutic response and a relatively low efficacy. The development of drugs that addresses these limitations is critical to improving public health. Cannabidiol (CBD), a non-psychotomimetic component of Cannabis sativa, is a promising compound since it shows large-spectrum therapeutic potential in preclinical models and humans. However, its antidepressant properties have not been completely investigated. Therefore, the aims of this study were to investigate in male rodents (i) whether CBD could induce rapid and sustained antidepressant-like effects after a single administration and (ii) whether such effects could be related to changes in synaptic proteins/function. Results showed that a single dose of CBD dose-dependently induced antidepressant-like effect (7–30 mg/kg) in Swiss mice submitted to the forced swim test (FST), 30 min (acute) or 7 days (sustained) following treatment. Similar effects were observed in the Flinders Sensitive and Flinders Resistant Line (FSL/FRL) rats and the learned helplessness (LH) paradigm using Wistar rats. The acute antidepressant effects (30 min) were associated with increased expression of synaptophysin and PSD95 in the medial prefrontal cortex (mPFC) and elevated BDNF levels in both mPFC and hippocampus (HPC). CBD also increased spine density in the mPFC after 30 min, but not 7 days later. Intracerebroventricular injection of the TrkB antagonist, K252a (0.05 nmol/μL), or the mTOR inhibitor, rapamycin (1 nmol/μL), abolished the behavioral effects of CBD. These results indicate that CBD induces fast and sustained antidepressant-like effect in distinct animal models relevant for depression. These effects may be related to rapid changes in synaptic plasticity in the mPFC through activation of the BDNF-TrkB signaling pathway. The data support a promising therapeutic profile for CBD as a new fast-acting antidepressant drug.

The findings reinforce those of prior research showing that cannabidiol, a component of Cannabis sativa, has promising therapeutic potential in the treatment of broad-spectrum depression in preclinical and human models.

The results have been published in an article in the journal Molecular Neurobiology by researchers of the group led by Sâmia Regiane Lourenço Joca, a professor in the University of São Paulo’s Ribeirão Preto School of Pharmaceutical Sciences (FCFRP-USP) in Brazil.

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The content on these pages are in no way intended to offer any related health benefits to our products but merely to share opinions and any research findings.

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