PR Newswire
LAWRENCEVILLE, N.J., May 2, 2016
LAWRENCEVILLE, N.J., May 2, 2016 /PRNewswire/ -- Celsion Corporation (NASDAQ: CLSN), an oncology drug development company, today announced data from the first cohort of patients in its Phase Ib dose escalating clinical trial (the OVATION Study) combining GEN-1, the Company's DNA-based immunotherapy, with the standard of care for the treatment of newly-diagnosed patients with advanced ovarian cancer who will undergo neoadjuvant chemotherapy followed by interval debulking surgery. In the first three patients dosed, GEN-1 plus standard chemotherapy produced excellent results, with no dose limiting toxicities and highly promising efficacy signals leading to successful surgical outcomes. The three patients were treated at the University of Alabama at Birmingham.
"These results, while early, are very impressive and speak to the potential of GEN-1 to improve patient outcomes in ovarian cancer," said Ronald D. Alvarez, M.D., Professor, Division of Gynecologic Oncology at the University of Alabama at Birmingham. "In particular, we see improvements across a number of important and meaningful measures used to assess ovarian cancer, which reinforce our confidence in this IL-12 immunotherapy approach and provide a strong rationale for continued development of GEN-1 for the treatment of ovarian cancer."
OVATION Study - First Cohort Results
"These results build on the impressive clinical findings we observed in the GOG Study as well as the translational data from this same study reported earlier this year. As we move closer towards initiating a Phase I/II trial to evaluate the synergistic anti-cancer effects of GEN-1 together with Avastin® and Doxil®, these results also provide strong validation for the potential of GEN-1 in ovarian cancer," said Michael H. Tardugno, Celsion's chairman, president and chief executive officer. "We will continue to evaluate the maturing dataset from the OVATION study, and may evaluate ways to leverage insights from this trial to help accelerate the clinical development of this highly promising therapy and inform the design of future studies."
The OVATION Study will continue into 2016 at higher doses of GEN-1 with the goal to identify a safe, tolerable and therapeutically active dose of GEN-1 by recruiting and maximizing an immune response. Celsion has initiated four clinical sites at the University of Alabama at Birmingham; Oklahoma University Medical Center; Washington University in St. Louis and the Medical College of Wisconsin. The trial is designed to enroll three to six patients per dose cohort and will evaluate safety and efficacy and attempt to define an optimal dose. Future studies of GEN-1 will include a Phase I/II study combining GEN-1 with Avastin® and Doxil®. With the second cohort fully enrolled, Celsion expects to complete the OVATION Study this year.
GOG Study - GEN-1 Data
Celsion also recently announced clinical data from a dose-escalation study evaluating GEN-1 plus Doxil® in platinum resistant ovarian cancer (the GOG Study). In the GOG Study, at the highest dose level, GEN-1 plus Doxil® produced an objective response rate (ORR) of 29%. This compares favorably to the data from the Phase 3 AURELIA trial in platinum-resistant ovarian cancer, which demonstrated that Avastin® plus chemotherapy produced an ORR of 27%. Historical data for trials evaluating Doxil® monotherapy in platinum resistant ovarian cancer suggest an ORR of only 8% to 12%.
Translational data from the GOG Study reported in January 2016 is highlighted below:
About GEN-1 Immunotherapy
GEN-1, designed using Celsion's proprietary TheraPlas™ platform technology, is an IL-12 DNA plasmid vector encased in a nanoparticle delivery system, which enables cell transfection followed by persistent, local secretion of the IL-12 protein. IL-12 is one of the most active cytokines for the induction of potent anti-cancer immunity acting through the induction of T-lymphocyte and natural killer (NK) cell proliferation. The Company has previously reported positive safety and encouraging Phase I results with GEN-1 given as monotherapy in patients with peritoneally metastasized ovarian cancer, and recently completed a Phase Ib trial of GEN-1 in combination with PEGylated doxorubicin in patients with platinum-resistant ovarian cancer.
About Celsion Corporation
Celsion is a fully-integrated oncology company focused on developing a portfolio of innovative cancer treatments, including directed chemotherapies, immunotherapies and RNA- or DNA-based therapies. The Company's lead program is ThermoDox®, a proprietary heat-activated liposomal encapsulation of doxorubicin, currently in Phase III development for the treatment of primary liver cancer and in Phase II development for the treatment of recurrent chest wall breast cancer. The pipeline also includes GEN-1, a DNA-based immunotherapy for the localized treatment of ovarian and brain cancers. Celsion has two platform technologies for the development of novel nucleic acid-based immunotherapies and other anti-cancer DNA or RNA therapies, including TheraPlas™ and TheraSilence™. For more information on Celsion, visit our website: http://www.celsion.com. (CLSN-G1) (CLSN-OV)
Celsion wishes to inform readers that forward-looking statements in this release are made pursuant to the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Readers are cautioned that such forward-looking statements involve risks and uncertainties including, without limitation, 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, regulatory authorities; and other risks detailed from time to time in the Celsion's periodic reports and prospectuses filed 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.
¹Petrillo M, Zannoni GF, Tortorella L, et al. Prognostic role and predictors of complete pathologic response to neoadjuvant chemotherapy in primary unresectable ovarian cancer. American Journal of Obstetrics & Gynecology 2014
Celsion Investor Contact
Jeffrey W. Church
Sr. Vice President and CFO
609-482-2455
jchurch@celsion.com
Celsion Media Contacts
Harriet Shelare
Director, Communications
860-483-1721
hshelare@celsion.com
Bill Berry
Berry & Company
212-253-8881
bberry@berrypr.com
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SOURCE Celsion Corporation
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