Maintained anxiolytic effects of cannabidiol after treatment discontinuation in healthcare workers during the COVID-19 pandemic

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“Objective: To assess whether the effects of oral administration of 300 mg of Cannabidiol (CBD) for 28 days on mental health are maintained for a period after the medication discontinuation. 

Methods: This is a 3-month follow-up observational and clinical trial study. The data were obtained from two studies performed simultaneously by the same team in the same period and region with Brazilian frontline healthcare workers during the COVID-19 pandemic. Scales to assess emotional symptoms were applied weekly, in the first month, and at weeks eight and 12. 

Results: The primary outcome was that, compared to the control group, a significant reduction in General Anxiety Disorder-7 Questionnaire (GAD-7) from baseline values was observed in the CBD group on weeks two, four, and eight (Within-Subjects Contrasts, time-group interactions: F1-125 = 7.67; p = 0.006; ηp 2 = 0.06; F1-125 = 6.58; p = 0.01; ηp 2 = 0.05; F1-125 = 4.28; p = 0.04; ηp 2 = 0.03, respectively) after the end of the treatment. 

Conclusions: The anxiolytic effects of CBD in frontline health care professionals during the COVID-19 pandemic were maintained up to 1 month after the treatment discontinuation, suggesting a persistent decrease in anxiety in this group in the real world. Future double-blind placebo-controlled clinical trials are needed to confirm the present findings and weigh the benefits of CBD therapy against potential undesired or adverse effects.”

https://pubmed.ncbi.nlm.nih.gov/36263136/

“This observational and clinical trial study combination follow-up showed that the beneficial effects on anxiety, emotional exhaustion/burnout, and depressive symptoms observed among frontline health care professionals working with patients with COVID-19 after 28 days of daily CBD administration were maintained for up to a month after the treatment discontinuation. This study meets the recently highlighted need for extensive real-world studies on CBD’s potential medicinal use. Future double-blind placebo-controlled clinical trials are needed to assess the CBD long-term effects and confirm the present findings.”

https://www.frontiersin.org/articles/10.3389/fphar.2022.856846/full

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