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Research Roundup: Mar 4, 2025



Best of cannabinoid science this week...


For moderate PTSD, a cost-utility analysis found cannabis to be a cost-effective adjunctive therapy

The Cost Effectiveness of Adjunctive Medical Cannabis Therapy in the Treatment of Moderate Post-Traumatic Stress Disorder

 

In people with chronic pain using unregulated opioids, daily cannabis use was associated with higher odds of opioid cessation

Cannabis use and illicit opioid cessation among people who use drugs living with chronic pain


In people with gingivitis, a rinse of tea tree oil, CBD & spilanthol ( a spicy fatty acid) reduced bleeding & plaque

Evaluation of the Effectiveness of a Mouthwash Containing Spilanthol and Cannabidiol on Improving Oral Health in Patients with Gingivitis—Clinical Trial


For sickle cell disease, a review of using the cannabinoids for pain management, inflammation & cardiac complications

Modulation of the endocannabinoid system in chronic conditions: a potential therapeutic intervention yet to be explored in sickle cell disease


For HIV, a review on the promise of cannabis for managing inflammation, gut dysbiosis & immune system dysfunction

Cannabis Use in HIV: Impact on Inflammation, Immunity and the Microbiome

 

For depression, a review on targeting the CB2 receptor in the microglia (guardian immune cells of the brain) (nice charts)

Microglial cannabinoid receptor 2 and epigenetic regulation: Implications for the treatment of depression

 

For orofacial pain, a review of using cannabinoids (Portuguese)

Canabinoides na Dor Orofacial - Uma Revisão de Escopo


In adolescent squirrel monkeys, six months of low-dose THC injections increased functional connectivity in the central executive network

Central Executive Network drives delta-9-tetrahydrocannabinol (THC)-induced nonlinear changes in large-scale functional connectivity in adolescent nonhuman primates

 

In 3 different mouse models of migraines, a 100:1 CBD:THC combination reduced the most bothersome symptoms (thanks to Dr. Erik Zorrilla for alerting me to his new study)

Combined effects of cannabidiol and Δ9-tetrahydrocannabinol alleviate migraine-like symptoms in mice

 

In a rat model of neuropathic pain & depression, a comparison of CBD versus fluoxetine found that while both help with the depression-like behavior, only CBD also helped with the pain

Comparison between Cannabidiol and Fluoxetine effects on chronic neuropathic pain and depression comorbid in rats

 

In a mouse model of colitis, on the entourage effect for pain reduction by combining CBD, CBG, CBC & CBDV

Entourage effects of nonpsychotropic cannabinoids on visceral sensitivity in experimental colitis

 

In a rat model of liver dysfunction caused by a high fat diet, CBD prevented ceramide deposition & improved insulin signaling via the sphingolipid pathway

Cannabidiol and sphingolipid metabolism – an unexplored link offering a novel therapeutic approach against high-fat diet-induced hepatic insulin resistance

 

In a mouse model of a high fat diet, gut bacteria that produce the endocannabinoid oleoylethanolamide led to significant weight loss, the increase of beneficial gut bacteria & improved metabolic dysfunction, depression, anxiety & gut barrier function

Oleoylethanolamide-producing Lactobacillus paracasei F19 improves metabolic and behavioral disorders by restoring intestinal permeability and microbiota-gut-brain axis in high-fat diet-induced obese male mice

 

Another series of tests that found CBD to not be genotoxic, to not cause DNA damage & to not influence genomic stability

Assessment of the genotoxic and mutagenic potential of a CBD isolate and a Cannabis sativa extract in vitro

 

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