Cybin Initiates Phase 2 Proof-of-Concept Study of CYB004 in Generalized Anxiety Disorder
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Insights
The initiation of a Phase 2 study for Cybin Inc.'s CYB004, a proprietary DMT molecule, marks a significant milestone in the development of treatments for Generalized Anxiety Disorder (GAD). The pharmaceutical industry is highly attentive to advancements in mental health treatments, particularly for conditions like GAD that have a high prevalence and an unmet need for more effective therapies. The fact that CYB004 is designed to be a short-duration treatment could represent a competitive advantage in the market, as current treatments often require long-term management.
The granted U.S. composition of matter patent for CYB004 until 2041 provides Cybin with a long-term commercial protection, which is a substantial value driver for the company's stock. Investors will be closely watching the topline Phase 2 safety and efficacy data expected in Q4 2024, as positive results could lead to a surge in stock value, while any setbacks might negatively impact investor sentiment.
From a clinical perspective, the high incidence of GAD and the substantial number of patients who do not respond to first-line treatments underscore the importance of developing new therapeutic options like CYB004. The study's design, which allows for concomitant antidepressant/anxiolytic treatment, reflects a real-world approach that could enhance the generalizability of the findings. The use of well-established scales such as the Hamilton Anxiety Rating Scale (HAM-A) and the Montgomery-Asberg Depression Rating scale in the trial's endpoints suggests a rigorous assessment of CYB004's potential impact.
Furthermore, the breakthrough therapy designation for Cybin's other molecule, CYB003, for Major Depressive Disorder, suggests that the FDA recognizes the potential of Cybin's approach to treating mental health disorders. If CYB004 demonstrates a favorable safety and efficacy profile, it could expedite the development and review process, potentially bringing a new treatment option to market more quickly to address this significant unmet medical need.
The economic implications of developing an effective treatment for GAD are profound. Anxiety disorders contribute to over 28 million disability-adjusted life years (DALYs), representing a significant economic burden due to lost productivity and healthcare costs. An intermittent treatment like CYB004 that promises a short treatment time could reduce the economic impact of GAD by enabling patients to return to their daily activities more quickly and possibly reducing the need for ongoing medication or therapy.
However, the cost-effectiveness of such treatments will be critical for widespread adoption. If CYB004 can demonstrate not only clinical efficacy but also cost savings compared to existing long-term treatments, it could gain favor among healthcare providers and payers. In the long run, this could lead to broader market penetration and improved shareholder value for Cybin Inc.
- Anxiety disorders are the most prevalent mental health disorders globally1, contributing to over 28 million disability-adjusted life years (“DALYs”)2 -
- Highly scalable intermittent treatment for Generalized Anxiety Disorder (“GAD”) with an expected treatment time of approximately 90-minutes from a single administration -
- Proprietary deuterated dimethyltryptamine (“DMT”) molecule with
- Topline Phase 2 safety and efficacy data expected Q4 2024 -
“Initiation of the Phase 2 study of CYB004 for GAD is an exciting step forward for our deuterated DMT program,” said Doug Drysdale, Chief Executive Officer of Cybin. “One of our most important goals is to achieve a scalable, short-duration psychedelic experience for the patient, in the hopes of potentially disrupting negative, ruminative thought patterns. We are building on foundational investigative work from our Phase 2a trial of intravenous SPL026 (DMT) which showed preliminary evidence of effectiveness treating anxiety with rapid onset of antidepressant effects and reduction in anxiety scores.”
“This week, we also announced three important catalysts for our other novel psychedelic molecule, CYB003 for the adjunctive treatment of Major Depressive Disorder: (1) we had a positive End-of-Phase 2 meeting with the FDA, gaining alignment on our Phase 3 program design; (2) CYB003 was granted Breakthrough Therapy Designation by the FDA; and (3) we shared positive four-month durability data which support a pivotal Phase 3 multinational study in mid-2024. With two lead clinical programs progressing rapidly, we are committed to leading the way to address the challenges of mental healthcare today,” concluded Drysdale.
CYB004 Phase 2 Program Outline
The CYB004-002 Phase 2 study is a randomized, double-blind study which will evaluate the safety and efficacy of CYB004 in participants with GAD, with concomitant antidepressant/anxiolytic treatment and co-morbid depression allowed.
- The study will recruit approximately 36 participants, who will be randomized in a double-blind manner, into 2 groups: the first group will receive two IM doses of CYB004, three weeks apart, while the second group will receive two low-dose control administrations.
- The study will enroll participants with moderate to severe GAD and a score of ≥10 on the GAD-7 anxiety scale.
- Participants will be followed for a period of three months, with an optional additional assessment at six months.
- The primary endpoint is a change in the Hamilton Anxiety Rating Scale (“HAM-A”) score from baseline at six weeks following the second dose.
- Other endpoints include the Montgomery-Asberg Depression Rating scale depression assessment, safety assessments, MEQ30 (psychedelic experience assessment) and EQ-5D-5L (quality of life assessment).
- Results from this study are expected to provide proof of concept for CYB004’s efficacy in GAD, the time to onset of effects, as well as durability of effects to six months.
- Topline safety and efficacy data from this Phase 2 CYB004-002 study are expected in Q4 2024.
Significant Unmet Medical Need in Generalized Anxiety Disorder
Anxiety disorders affect over 40 million adults in
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://adaa.org/understanding-anxiety/facts-statistics
- 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.
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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 planned clinical trials and program strategy for CYB004; anticipated release of topline safety and efficacy from the Phase 2 CYB004-002 study in Q4 2024; the potential of CYB004 to be a scalable treatment that can be delivered in a short period of time; 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 nine month periods ended December 31, 2023, and the Company’s annual information form for the year ended March 31, 2023, which are available under the Company's profile on 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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