Additional 4-HNE (4-hydroxynonenal) biomarker
data to highlight the correlation of bulbar and limb onset ALS
(Amyotrophic Lateral Sclerosis) to 4-HNE levels
Coya Therapeutics, Inc. (Nasdaq: COYA) (“Coya” or the
“Company”), a clinical-stage biotechnology company developing
biologics intended to enhance regulatory T cell (Treg) function,
announces that Dr. Stanley Appel, M.D., Chairman of Coya’s
Scientific Advisory Board, and Dr. David Beers, Ph.D., Associate
Research Professor of Neurology, Houston Methodist, will present
updated ALS biomarker data at the upcoming 2nd Annual Johnson
Center Symposium in Houston, Texas on April 26, 2024. The title of
the poster is 4-hydroxynonenal (4-HNE) as a Biomarker in
ALS.
Dr. Appel previously presented 4-HNE biomarker data in March
2024 at the Society of Neuroimmune Pharmacology Conference showing
high correlation (91.7% sensitivity and 71.1% specificity) between
the rate of ALS disease progression and survival of patients from
ALS onset and diagnosis to death. During the Johnson Center
Symposium, Dr. Appel will present data correlating 4-HNE levels to
bulbar and limb onset ALS.
Coya plans to discuss the validation of 4-HNE as a new potential
biomarker for ALS and the potential inclusion of 4-HNE as a
biomarker in the planned Ph. 2 trial in patients with ALS with the
U.S Food and Drug Administration (FDA).
About 4-HNE and its Relevance in Disease
Pathophysiology
Reactive oxygen species (ROS) are generated mainly as byproducts
of mitochondrial respiration and are tightly controlled by multiple
anti-oxidant mechanisms. In neurodegenerative diseases, such as
ALS, when the antioxidant system is overwhelmed by overproduction
of ROS, oxidative stress occurs. 4-HNE, an abundant and reactive
oxygen species, is thought to exert neuronal toxicity ultimately
through the formation of toxic protein aggregates, as seen in ALS
patients. Additionally, 4-HNE appears to be causally involved in
multiple pathophysiologic events associated with disease
pathophysiology, including motor neuron death.
About COYA 302
COYA 302 is an investigational and proprietary biologic
combination therapy with a dual immunomodulatory mechanism of
action intended to enhance the anti-inflammatory function of
regulatory T cells (Tregs) and suppress the inflammation produced
by activated monocytes and macrophages. COYA 302 is comprised of
proprietary low dose interleukin-2 (LD IL-2) and CTLA4-Ig
(abatacept) and is being developed for subcutaneous administration
for the treatment of patients with ALS, Frontotemporal Dementia
(FTD), Parkinson’s disease (PD), and Alzheimer’s disease (AD).
These mechanisms may have additive or synergistic effects.
In February of 2023, Coya announced results from a
proof-of-concept, open-label clinical study evaluating commercially
available LD IL-2 and CTLA4-Ig in a small cohort of patients with
ALS conducted at the Houston Methodist Research Institute (Houston,
Texas) by Stanley Appel, M.D., Jason Thonhoff, M.D., Ph.D., and
David Beers, Ph.D. This study was the first-of-its-kind evaluating
this dual-mechanism immunotherapy for the treatment of ALS.
Patients in the study received investigational treatment for 48
consecutive weeks and were evaluated for safety and tolerability,
Treg function, serum biomarkers of oxidative stress and
inflammation, and clinical functioning as measured by the ALSFRS-R
scale.
During the 48-week treatment period, the therapy was well
tolerated. The most common adverse event was mild injection-site
reactions. No patient discontinued the study, and no deaths or
other serious adverse events were reported.
Patients' disease progression was measured using the ALSFRS-R
scale, a validated rating tool for monitoring the progression of
disability in patients with ALS. The mean (±SD) ALSFRS-R scores at
week 24 (33.75 ±3.3) and week 48 (32 ±7.8) after initiation of
treatment were not statistically different compared to the ALSFRS-R
score at baseline (33.5 ±5.9), suggesting significant amelioration
in the progression of the disease over the 48-week treatment
period.
Treg suppressive function, expressed as percentage of inhibition
of proinflammatory T cell proliferation, showed a statistically
significant increase over the course of the treatment period and
was significantly reduced at the end of the 8-week washout
post-treatment period. Treg suppressive function at 24 weeks (79.9
±9.6) and 48 weeks (89.5 ±4.1) were significantly higher compared
to baseline (62.1 ±8.1) (p<0.01), suggesting enhanced and
durable Treg suppressive function over the course of treatment. In
contrast, Treg suppressive function (mean ±SD) was significantly
decreased at the end of the 8-week washout period compared to
end-of-treatment at week 48 (70.3 ±8.1 vs. 89.5 ±4.1, p
<0.05).
The study also evaluated serum biomarkers of inflammation,
oxidative stress, and lipid peroxides. The available data up to 16
weeks after initiation of treatment suggest a decrease in these
biomarker levels, which is consistent with the observed enhancement
of Treg function. The evaluation of the full biomarker data is
ongoing.
COYA 302 is an investigational product not yet approved by the
FDA or any other regulatory agency.
About Amyotrophic Lateral Sclerosis
Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's
Disease, is a rare neurological disease that affects motor neurons,
the nerve cells in the brain and spinal cord that control voluntary
muscle movement. About 20,000 people live with ALS in the United
States and approximately 5,000 new cases are diagnosed every year.
The disease is progressive, meaning the symptoms get worse over
time. The functional status of ALS patients declines about 1 point
per month on average, as measured by the Revised ALS Function
Rating Scale1, or ALSFRS-R, a validated tool to monitor the
progression of the disease.
ALS has no cure, and the currently approved drug treatments
provide limited benefit to patients. ALS is a type of motor neuron
disease. As motor neurons degenerate and die, they stop sending
messages to the muscles, which causes the muscles to weaken, start
to twitch (fasciculations), and waste away (atrophy). Eventually,
the brain loses its ability to initiate and control voluntary
movements. Most people with ALS die from respiratory failure,
usually within three to five years from when the symptoms first
appear.2
References
- Atassi N, et al. The PRO-ACT database: design, initial
analyses, and predictive features. Neurology, 2014;83:1719–1725.
doi: 10.1212/WNL.0000000000000951.
- National Institutes of Health (NIH) Website
(https://www.ninds.nih.gov), accessed on January 8, 2024.
About Coya Therapeutics, Inc.
Headquartered in Houston, TX, Coya Therapeutics, Inc. (Nasdaq:
COYA) is a clinical-stage biotechnology company developing
proprietary treatments focused on the biology and potential
therapeutic advantages of regulatory T cells (“Tregs”) to target
systemic inflammation and neuroinflammation. Dysfunctional Tregs
underlie numerous conditions, including neurodegenerative,
metabolic, and autoimmune diseases, and this cellular dysfunction
may lead to sustained inflammation and oxidative stress resulting
in lack of homeostasis of the immune system.
Coya’s investigational product candidate pipeline leverages
multiple therapeutic modalities aimed at restoring the
anti-inflammatory and immunomodulatory functions of Tregs. Coya’s
therapeutic platforms include Treg-enhancing biologics,
Treg-derived exosomes, and autologous Treg cell therapy.
COYA 302 – the Company’s lead biologic investigational product
or "Pipeline in a Product" – is a proprietary combination of COYA
301 (Coya’s proprietary LD IL-2) and CTLA4-Ig for subcutaneous
administration with a unique dual mechanism of action that is now
being developed for the treatment of Amyotrophic Lateral Sclerosis,
Frontotemporal Dementia, Parkinson’s Disease, and Alzheimer’s
Disease. Its multi-targeted approach enhances the number and
anti-inflammatory function of Tregs and simultaneously lowers the
expression of activated microglia and the secretion of
pro-inflammatory mediators. This synergistic mechanism may lead to
the re-establishment of immune balance and amelioration of
inflammation in a sustained and durable manner that may not be
achieved by either low-dose IL-2 or CTLA4-Ig alone.
For more information about Coya, please visit
www.coyatherapeutics.com
Forward-Looking Statements
This press release contains “forward-looking” statements that
are based on our management’s beliefs and assumptions and on
information currently available to management. Forward-looking
statements include all statements other than statements of
historical fact contained in this presentation, including
information concerning our current and future financial
performance, business plans and objectives, current and future
clinical and preclinical development activities, timing and success
of our ongoing and planned clinical trials and related data, the
timing of announcements, updates and results of our clinical trials
and related data, our ability to obtain and maintain regulatory
approval, the potential therapeutic benefits and economic value of
our product candidates, competitive position, industry environment
and potential market opportunities. The words “believe,” “may,”
“will,” “estimate,” “continue,” “anticipate,” “intend,” “expect,”
and similar expressions are intended to identify forward-looking
statements.
Forward-looking statements are subject to known and unknown
risks, uncertainties, assumptions and other factors including, but
not limited to, those related to risks associated with the impact
of COVID-19; the success, cost and timing of our product candidate
development activities and ongoing and planned clinical trials; our
plans to develop and commercialize targeted therapeutics; the
progress of patient enrollment and dosing in our preclinical or
clinical trials; the ability of our product candidates to achieve
applicable endpoints in the clinical trials; the safety profile of
our product candidates; the potential for data from our clinical
trials to support a marketing application, as well as the timing of
these events; our ability to obtain funding for our operations;
development and commercialization of our product candidates; the
timing of and our ability to obtain and maintain regulatory
approvals; the rate and degree of market acceptance and clinical
utility of our product candidates; the size and growth potential of
the markets for our product candidates, and our ability to serve
those markets; our commercialization, marketing and manufacturing
capabilities and strategy; future agreements with third parties in
connection with the commercialization of our product candidates;
our expectations regarding our ability to obtain and maintain
intellectual property protection; our dependence on third party
manufacturers; the success of competing therapies or products that
are or may become available; our ability to attract and retain key
scientific or management personnel; our ability to identify
additional product candidates with significant commercial potential
consistent with our commercial objectives; ; and our estimates
regarding expenses, future revenue, capital requirements and needs
for additional financing.
We have based these forward-looking statements largely on our
current expectations and projections about future events and trends
that we believe may affect our financial condition, results of
operations, business strategy, short-term and long-term business
operations and objectives, and financial needs. Moreover, we
operate in a very competitive and rapidly changing environment, and
new risks may emerge from time to time. It is not possible for our
management to predict all risks, nor can we assess the impact of
all factors on our business or the extent to which any factor, or
combination of factors, may cause actual results to differ
materially from those contained in any forward-looking statements
we may make. In light of these risks, uncertainties and
assumptions, the forward-looking events and circumstances discussed
herein may not occur and actual results could differ materially and
adversely from those anticipated or implied in the forward-looking
statements. Although our management believes that the expectations
reflected in our forward-looking statements are reasonable, we
cannot guarantee that the future results, levels of activity,
performance or events and circumstances described in the
forward-looking statements will be achieved or will occur. We
undertake no obligation to publicly update any forward-looking
statements, whether written or oral, that may be made from time to
time, whether as a result of new information, future developments
or otherwise.
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version on businesswire.com: https://www.businesswire.com/news/home/20240408198975/en/
Investor David Snyder, CFO
david@coyatherapeutics.com
CORE IR Bret Shapiro brets@coreir.com 561-479-8566
Media Kati Waldenburg media@coyatherapeutics.com
212-655-0924
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