Cybin Announces FDA Clearance to Initiate a Phase 2a Study of CYB004 in Generalized Anxiety Disorder
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Insights
The recent clearance by the FDA of Cybin Inc.'s IND application for CYB004 marks a pivotal step in the development of new treatments for Generalized Anxiety Disorder (GAD). The unique aspect of CYB004 lies in its deuterated form of DMT, which is designed to offer robust and rapid-onset psychedelic effects at lower doses. This pharmacological profile suggests a potential for CYB004 to achieve therapeutic effects with a reduced risk of side effects commonly associated with higher doses of native DMT.
From a pharmacokinetic perspective, the deuterated modification could mean increased metabolic stability, potentially leading to a longer duration of action and less frequent dosing requirements. This could enhance patient adherence to treatment regimens. The pharmacodynamic data indicating efficacy at lower doses is particularly noteworthy, as it may translate to a better safety profile, which is a critical consideration in the treatment of mental health disorders.
The advancement of CYB004 into Phase 2a clinical trials is significant in the field of mental health therapeutics, especially considering the high prevalence and the often inadequate response to current treatments for anxiety disorders. The exploratory data from prior clinical studies suggesting efficacy in reducing anxiety symptoms in major depressive disorder patients provides a promising foundation for the upcoming trials in GAD.
It is important to note that the success of Phase 1 studies does not guarantee positive outcomes in Phase 2a due to the complex nature of mental health disorders and the subjective response of patients to psychedelic therapies. However, the controlled, randomized and double-blind design of the upcoming study is the gold standard for evaluating clinical efficacy and safety, which should provide robust data to inform future development decisions.
The grant of a U.S. composition of matter patent for CYB004 with protection expected through 2041 is a strategic asset for Cybin Inc. This patent not only secures exclusivity for the deuterated DMT molecule but also adds value to the company's intellectual property portfolio. This exclusivity period allows for the potential recovery of research and development investments and could attract partnerships or funding opportunities.
However, the actual commercial value of the patent hinges on the successful progression of CYB004 through clinical trials and eventual market approval. It is also subject to the competitive landscape of GAD treatments and the emergence of alternative therapies. The patent protection duration aligns with industry norms for pharmaceuticals, providing a window for Cybin Inc. to capitalize on its proprietary molecule if it reaches the market.
- Recently announced positive Phase 1 topline safety, pharmacokinetic (“PK”) and pharmacodynamic (“PD”) data show that intravenous (“IV”) CYB004 demonstrated robust and rapid-onset psychedelic effects at lower doses compared to native DMT -
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- Company to initiate a randomized, double-blind, active controlled Phase 2a study in Q1 2024 -
“With the recent positive topline results from two Phase 1 studies of our proprietary deuterated DMT molecules, CYB004 and SPL028, we are well-positioned to initiate a Phase 2a study of CYB004 in GAD this quarter,” said Doug Drysdale, Chief Executive Officer of Cybin. “From our extensive portfolio of DMT and deuterated DMT datasets across five completed clinical studies, we have gathered important insights on dosing and preliminary efficacy signals in both depression and anxiety that will inform our next steps. Exploratory data from our completed Phase 2a study of SPL026 (IV DMT) have shown that SPL026 reduced symptoms of anxiety in patients with major depressive disorder, which further serves to de-risk the development of deuterated DMT in anxiety disorders as we continue to evaluate the efficacy and safety of CYB004.”
“Although anxiety disorders are one of the most prevalent mental health disorders, current treatment options remain limited, with suboptimal response and remission rates. We are committed to developing improved treatment options with the goal of improving the quality of life for people suffering from anxiety disorders worldwide. We look forward to exploring the potential of CYB004 to offer more convenient and patient-friendly dose forms and treatment duration,” concluded Drysdale.
About Generalized Anxiety Disorder
Anxiety disorders are the most prevalent mental health disorders globally1, contributing to over 28 million disability-adjusted life years (DALYs).2 GAD is the most common anxiety disorder seen in primary care, with a 12-month prevalence of
Sources
- Stein, D. J., Scott, K. M., de Jonge, P., & Kessler, R. C. (2017). Epidemiology of anxiety disorders: from surveys to nosology and back. Dialogues in clinical neuroscience, 19(2), 127–136. https://doi.org/10.31887/DCNS.2017.19.2/dstein
- Yang X., Fang Y., Chen H., Zhang T., Yin X., Man J., Yang L., Lu M. (2021). Global, regional and national burden of anxiety disorders from 1990 to 2019: results from the Global Burden of Disease Study 2019. Epidemiology and Psychiatric Sciences 30, e36, 1–11. https://doi.org/10.1017/S2045796021000275
- Ansara E. D. (2020). Management of treatment-resistant generalized anxiety disorder. The mental health clinician, 10(6), 326–334. https://doi.org/10.9740/mhc.2020.11.326
About Cybin
Cybin is a clinical-stage biopharmaceutical company on a mission to create safe and effective psychedelic-based therapeutics to address the large unmet need for new and innovative treatment options for people who suffer from mental health conditions.
Cybin’s goal of revolutionizing mental healthcare is supported by a network of world-class partners and internationally recognized scientists aimed at progressing proprietary drug discovery platforms, innovative drug delivery systems, and novel formulation approaches and treatment regimens. The Company is currently developing CYB003, a proprietary deuterated psilocybin analog for the treatment of major depressive disorder and CYB004, a proprietary deuterated DMT molecule for generalized anxiety disorder and has a research pipeline of investigational psychedelic-based compounds.
Headquartered in
Cautionary Notes and Forward-Looking Statements
Certain statements in this news release relating to the Company are forward-looking statements and are prospective in nature. Forward-looking statements are not based on historical facts, but rather on current expectations and projections about future events and are therefore subject to risks and uncertainties which could cause actual results to differ materially from the future results expressed or implied by the forward-looking statements. These statements generally can be identified by the use of forward-looking words such as “may”, “should”, “could”, “intend”, “estimate”, “plan”, “anticipate”, “expect”, “believe” or “continue”, or the negative thereof or similar variations. Forward-looking statements in this news release include statements regarding the Company’s plans to initiate a Phase 2a study of CYB004 in Q1 2024; the Company’s expectations from the Phase 2a study of SPL026 to de-risk the development of deuterated DMT; and the Company’s proprietary drug discovery platforms, innovative drug delivery systems, novel formulation approaches and treatment regimens for mental health disorders.
These forward-looking statements are based on reasonable assumptions and estimates of management of the Company at the time such statements were made. Actual future results may differ materially as forward-looking statements involve known and unknown risks, uncertainties, and other factors which may cause the actual results, performance, or achievements of the Company to materially differ from any future results, performance, or achievements expressed or implied by such forward-looking statements. Such factors, among other things, include: implications of the spread of COVID-19 on the Company's operations; fluctuations in general macroeconomic conditions; fluctuations in securities markets; expectations regarding the size of the psychedelics market; the ability of the Company to successfully achieve its business objectives; plans for growth; political, social and environmental uncertainties; employee relations; the presence of laws and regulations that may impose restrictions in the markets where the Company operates; and the risk factors set out in each of the Company's management's discussion and analysis for the three and six month periods ended September 30, 2023, and the Company’s annual information form for the year ended March 31, 2023, which are available under the Company's profile on SEDAR+ at www.sedarplus.ca and with the
Cybin makes no medical, treatment or health benefit claims about Cybin’s proposed products. The
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Source: Cybin Inc.
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