– Preliminary Data from ATH434-202 Study Expected in 1H 2024 –
– ATH434-201 Study to Complete in
Dear Shareholders:
As we begin a new year, I wanted to take a moment to thank you for your support of Alterity, reflect on our accomplishments in 2023, and lay out our key milestones for 2024. We remain steadfastly committed to developing new treatments for individuals living with neurodegenerative diseases.
2023 was a critical year for us and I am pleased to report that we hit all of our intended milestones.
We have an extremely robust program evaluating neurodegenerative diseases with a current focus on Multiple System Atrophy, or MSA, a disease related to Parkinson’s. As a reminder, MSA is a rare and aggressive Parkinsonian disorder that rapidly progresses and causes profound disability. Although similar to Parkinson’s disease, affected individuals cannot adequately maintain their blood pressure or control bowel and bladder function – areas that drastically impair quality of life. The pathological hallmark of MSA is accumulation of the protein alpha-synuclein and neuron loss in multiple brain regions within the central nervous system. While some of the symptoms of MSA can be treated with available medications, currently there are no drugs that can slow disease progression and there is no cure.
We are looking to change the paradigm of treating MSA with our lead clinical development candidate ATH434, an orally administered agent discovered in house to target neurodegeneration. ATH434 acts by redistributing excess iron in the brain, reducing the protein α-synuclein, and rescuing neuronal function. Based on accumulated pre-clinical data and an understanding of how MSA develops and progresses, we believe ATH434 has excellent potential to treat MSA as well as Parkinson’s disease. Importantly, ATH434 has been granted Orphan Drug Designation (ODD) for the treatment of MSA by the
Our primary Phase 2 clinical trial is a randomized, double-blind placebo-controlled study (ATH434-201) evaluating ATH434 in individuals with early-stage MSA. I am very proud of our 201 study team for fulfilling our goals in 2023 by opening numerous clinical trial sites around the world and completing enrollment of all study participants in
In addition, during 2023 we also initiated a second, Phase 2 clinical trial (ATH434-202) in individuals with more advanced MSA than in the 201 trial. A key aim of the 202 study is to assess the efficacy of ATH434 on objective biomarkers that measure target engagement and are relevant to the underlying pathology of MSA. While the 202 trial is also treating participants for 12-months, it has an open label design that will allow us to perform interim analyses of biomarker data while the study is ongoing, giving us a potential early indication of efficacy. We expect to report preliminary six-month data from the initial patients enrolled in the ATH434-202 trial in the first half of this year.
Our bioMUSE Natural History study also continues to generate invaluable data related to the understanding of MSA and its early presentation. The insights gained from this study enabled us to refine the design of our ongoing Phase 2 studies, optimizing patient selection and analysis of key endpoints. Along with our academic partners at
In
As I have laid out above, 2024 will be a pivotal year for us. The primate data in Parkinson’s disease has improved our ability to predict clinical outcomes and increases our overall confidence level in our ongoing Phase 2 clinical trials in MSA. We are currently running two trials allowing us to study MSA populations of differing severity. Our ATH434-201 clinical trial will complete in November with topline data reported shortly thereafter. We will also be able to report preliminary data from our ATH434-202 trial in the first half of this year. And, we expect to make additional progress with bioMUSE and the advancement of ATH434 in Parkinson’s disease.
Thank you for your continued interest and support and we look forward to keeping you updated on our progress.
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Investor and Media Contacts:Australia Hannah Howlett we-aualteritytherapeutics@we-worldwide.com +61 450 648 064U.S. Remy Bernarda remy.bernarda@iradvisory.com +1 (415) 203-6386
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