Celsion GmbH Announces the Publication of an Article Reviewing the History of ThermoDox® Drug Development in Advanced Drug Delivery Reviews


Investigator-Sponsored


Research


with ThermoDox


®


Continues


in Multiple Indications


New


Support


for ThermoDox


®


’s


P


otential


from the National Institutes of Health


under a


Cooperative Research and Development Agreement


ZUG, Switzerland, Oct. 11, 2021 (GLOBE NEWSWIRE) — Celsion


GmbH

, a wholly owned subsidiary of

Celsion Corporation


(NASDAQ:


CLSN)

, a clinical-stage biotechnology company focused on DNA-based immunotherapy and next-generation vaccines, announces the journal

Advanced Drug Delivery Reviews

has published an article reviewing the history of ThermoDox

®

, from animal studies through to the Phase III OPTIMA Study in advanced liver cancer

.

Titled “

Drug development of lyso-thermosensitive liposomal doxorubicin: Combining hyperthermia and thermosensitive drug delivery,

” the article was authored by Nicholas Borys, M.D., Executive Vice President and Chief Medical Officer of Celsion, and Mark W. Dewhirst, D.V.M., Ph.D., the Gustavo S. Montana Professor of Radiation Oncology and Vice Director for Basic Science of the Duke Cancer Institute at Duke University School of Medicine, and is available


[here/link].

ThermoDox

®

features a novel mechanism of action that delivers high concentrations of doxorubicin to a region targeted with the application of localized heat at 40°C, just above body temperature. ThermoDox

®

is positioned for use with multiple heating technologies and has the potential to treat a broad range of cancers including metastatic liver, recurrent chest wall breast cancer and non-muscle invading bladder cancers. The article’s authors noted that ThermoDox

®

is the first heat-activated formulation of a liposomal drug carrier to be utilized in human clinical trials.

According to Dr. Borys, “As our recent paper in

Advanced Drug Delivery Reviews

points out there was much learned regarding the application of ThermoDox with heat technology. The publication of this article helps to educate clinical researchers about the compelling results in early-stage studies we have achieved in multiple oncology targets (notably bladder and brain) during our years of work with ThermoDox

®

, which may catalyze further investigation. While Celsion made a business decision to focus the company on other promising programs targeting important indications such as ovarian cancer and infectious diseases, I am pleased that Celsion GmbH will provide support for ThermoDox’s continued clinical evaluation and development. The work that is being initiated with the NIH is exciting and should open new paths of opportunity for ThermoDox.”

Dr. Dewhirst added, “It is good to see important work continuing with ThermoDox

®

. As heat delivery technology continues to improve, such as HIFU (High Intensity Focused Ultrasound), along with the availability of bladder heating technologies there is much potential for ThermoDox in a number of cancers, including the bladder or even the brain. The collaboration between the NIH and Celsion on ThermoDox

®

is an exciting step toward better therapies for patients with cancer.”

Celsion GmbH is also announcing a new Cooperative Research and Development Agreement (CRADA) with the National Institutes of Health (NIH) to evaluate ThermoDox

®

in two

in


vivo

studies:

  • Evaluation of ThermoDox

    ®

    deployment in the rectal mucosa with endorectal heating. This preclinical study in a swine model seeks to explore the feasibility of the maximum tolerated dose of intravenous ThermoDox

    ®

    administration with endorectal heating of mucosa to assess the feasibility, depth of penetration and drug levels in the acute setting.

  • Evaluation of ThermoDox

    ®

    deployment in the bladder mucosa with endo-cavitary bladder heating. This preclinical study, also in a swine model, is intended to identify the feasibility of ThermoDox

    ®

    for bladder mucosal delivery utilizing a standard commercial bladder heating devices. To augment standard regimens, intra-cavitary mitomycin C will be co-administered with intravenous ThermoDox

    ®

    , along with heated bladder fluid in a closed circuit, in a regimen that simulates potential future clinical use.

Andreas Voss, M.D., Managing Director of Celsion GmbH, added, “This publication provides a comprehensive summary of the development of ThermoDox

®

to date. While clinical studies in the first indication did not reveal its benefits the powerful proof of concept in vivo provides a strong rationale for the continued clinical development of ThermoDox

®

. The ongoing preclinical and clinical studies will guide us towards clinical indications in which ThermoDox

®

improves patient’s lives.

“In addition, I am highly encouraged by the interest shown to date by independent clinical researchers in investigating ThermoDox

®

. The ability to safely deliver a potent yet toxic chemotherapeutic agent such as doxorubicin warrants such further work to identify the most promising targets. We are delighted the NIH also believes in the potential benefit of this work. While Celsion GmbH’s long-term objective is to seek partnerships to maximize the promise of ThermoDox

®

, our overarching goal is to provide novel treatment options for patients with cancer.”

ThermoDox

®

is currently the subject of investigator-sponsored trials for several cancer indications, including:

  • A Phase I study led by the University Medical Center Utrecht in the Netherlands to determine the safety, tolerability and feasibility of ThermoDox

    ®

    in combination with Magnetic Resonance Guided High Intensity Focused Ultrasound hyperthermia and cyclophosphamide therapy for the local treatment of the primary tumor in metastatic breast cancer.

  • A Phase I study led by Oxford University in the UK to assess intravenous delivery of ThermoDox

    ®

    in combination with High Intensity Focused Ultrasound in pancreatic cancer.


About Celsion


GmbH

Celsion GmbH is a wholly owned subsidiary of Celsion Corporation. Based in Zug, Switzerland, its mission is to facilitate investigator-led studies of ThermoDox

®

, including clinical research conducted by the NIH through its Cooperative Research and Development Agreement, maintain relationships with scientists and clinicians and seek opportunities for third party funding. ThermoDox

®

, is a proprietary heat-activated liposomal encapsulation of doxorubicin, is under investigator-sponsored development for several cancer indications. For more information on Celsion GmbH, visit

www.celsiongmbh.com

.


Forward-looking Statements


Forward-looking


statements


in


this


news


release


are


made


pursuant


to


the


“safe


harbor”


provisions


of


the


Private


Securities


Litigation


Reform


Act


of 1995.


These


statements


are


based


upon


current


beliefs,


expectation,


and


assumptions


and


include


statements


regarding


the


platform


having


the


potential


to


provide


broad


protection


against


coronavirus


disease


2019


(COVID-19),


and


possible


future


mutations


of


SARS-CoV-2


or


other


coronaviruses.


These


statements


are


subject


to


a


number


of


risks


and


uncertainties,


many


of


which


are


difficult


to


predict,


including


the


ability


of


the


Company’s


platform


to


provide


broad


protection


against


COVID-19,


and


possible


future


mutations


of


SARS-CoV-2


or


other


coronaviruses,


the


issuance


of


a


patent


to


the


Company


for


use


of


its


technology


platform


for


treating


or


preventing


infection


with


the


SARS-CoV-2


virus


that


causes


COVID-19,


unforeseen


changes


in


the


course


of


research


and


development


activities


and


in


clinical


trials;


the


uncertainties


of


and


difficulties


in


analyzing


interim


clinical


data,


particularly


in


small


subgroups


that


are


not


statistically


significant;


FDA


and


regulatory


uncertainties


and


risks;


the


significant


expense,


time


and


risk


of


failure


of


conducting


clinical


trials;


the


need


for


Celsion


to


evaluate


its


future


development


plans;


possible acquisitions


or


licenses


of


other


technologies,


assets


or


businesses;


possible


actions


by


customers,


suppliers,


competitors


or


regulatory


authorities;


and


other


risks


detailed


from


time


to


time


in


the


Celsion’s


periodic


filings


with


the


Securities


and


Exchange


Commission.


Celsion


assumes


no


obligation to update


or supplement


forward-looking


statements that


become untrue because


of


subsequent events,


new


information


or


otherwise.


LHA Investor Relations


Kim Sutton Golodetz 212-838-3777



[email protected]

# # #



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