KELOWNA, BC / ACCESSWIRE / February 21, 2023 / Lexaria Bioscience Corp. (NASDAQ:LEXX)(NASDAQ:LEXXW) (the “Company” or “Lexaria”), a global innovator in drug delivery platforms is pleased to announce additional findings from its human clinical study HYPER-H21-4 (“the Study”) demonstrating a potentially novel mechanism of action of its patented DehydraTECH-processed cannabidiol (“CBD”) capsule formulation in reducing blood pressure (“BP”).
The Food and Drug Administration (“FDA”) has laid out clear guidelines for sponsors who seek to develop new anti-hypertensive drugs, specifically defining the need for medications that offer complementary modes of action. Lexaria believes that its latest results, detailed below and already peer-reviewed and published in the respected journal, “Biomedicine and Pharmacotherapy“, may support DehydraTECH-CBD qualification within these FDA guidelines.
Lexaria previously announced that the primary efficacy and safety objectives of the Study were successfully achieved, with resting BP significantly reduced in hypertensive patients, and sustained over the full 5-weeks of dosing with zero serious adverse events being reported throughout the Study. Lexaria is aware of only a handful of other published research studies, mostly in young, healthy and normotensive volunteers, that have investigated whether a sustained decrease in resting BP is possible following multiple weeks of oral CBD dosing; none of which have been successful in achieving this.
Ongoing analyses of the Study data have revealed modulation of a circulating compound called catestatin in the patients. Catestatin is a multifunctional peptide known to have inhibitory effects on the sympathetic nervous system in the pathophysiology of hypertension.
These analyses (illustrated above) revealed that administration of DehydraTECH-CBD resulted in a statistically significant reduction in average baseline serum catestatin concentrations of 13.50 ng/mL to just 9.65 ng/mL after 5 weeks of dosing, which is a large drop of 28.5% (p < 0.001). There were no statistically significant reductions in catestatin concentrations in the placebo group. As previously reported, mean arterial pressure also dropped significantly by 4.26 ± 1.26 mm/Hg following the 5-week period of DehydraTECH-CBD dosing and this reduction (p = 0.039) was not observed with placebo. The extent of change in catestatin serum levels showed a strong correlation with the reduction in blood pressure (r = 0.71; p < 0.001).
Overall, these latest results from study HYPER-H21-4 imply that the antihypertensive effects of DehydraTECH-CBD may be explained, at least in part, by its interaction with the sympatho-chromaffin system via catestatin modulation. This suggests a potentially unique mechanistic benefit upon cardiovascular regulation with DehydraTECH-CBD treatment that has not previously been demonstrated, to our knowledge, with testing of CBD for blood pressure reduction. CBD is known to have a wide array of distinct effects upon cardiovascular regulation. These include effects upon blood vessel tone, vascular inflammation, blood pressure, and cardiac contractility. The mechanisms of these observations are complex and involves interaction with receptors other than cannabinoid receptors, including actions exerted through various naturally occurring mediator compounds in the body.
There is a clear medical and market need for alternative anti-hypertensive therapies, especially in the case of patients with so-called resistant hypertension who fail to adequately control their high BP with combinations of existing medications. Of note, the decreases in BP evidenced in the Study were similar in both those hypertensive patients on standard of care BP medications and those who were untreated for their hypertension upon Study entry. Therefore, the current results indicate that Lexaria’s DehydraTECH-CBD has the potential to offer complementary and additive BP reduction benefits on top of any degree of improvements the standard of care medications provided. This additive improvement of DehydraTECH-CBD as an adjunct therapy, perhaps related to its pronounced effectiveness in modulating catestatin levels, could become a significant value enhancer should it eventually enter the marketplace as an approved hypertension treatment.
Additional study endpoint analyses as described in the complete study protocol are still underway and any relevant material findings will be reported upon as these findings become available.
About Lexaria Bioscience Corp.
Lexaria Bioscience Corp.’s patented drug delivery technology, DehydraTECH™, improves the way active pharmaceutical ingredients (APIs) enter the bloodstream through oral delivery. Since 2016, DehydraTECH has repeatedly demonstrated the ability to increase bio-absorption with cannabinoids, antiviral drugs, PDE5 inhibitors and more. DehydraTECH has also evidenced an ability to deliver some drugs more effectively across the blood brain barrier. Lexaria operates a licensed in-house research laboratory and holds a robust intellectual property portfolio with 28 patents granted and many patents pending worldwide. For more information, please visit www.lexariabioscience.com.
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George Jurcic – Head of Investor Relations
Phone: 250-765-6424, ext 202
SOURCE: Lexaria Bioscience Corp.
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