On July 19, 2021 Celsion Corporation (NASDAQ: CLSN), a clinical-stage company focused on DNA-based immunotherapy and next-generation vaccines, reported that following a pre-planned interim safety review of 55 as treated patients randomized in the Phase I/II OVATION 2 Study with GEN-1 in advanced (Stage III/IV) ovarian cancer, the Data Safety Monitoring Board (DSMB) has unanimously recommended that the OVATION 2 Study continue treating patients with the dose of 100 mg/m2 (Press release, Celsion, JUL 19, 2021, View Source [SID1234584949]). The DSMB also determined that safety is satisfactory with an acceptable risk/benefit, and that patients tolerate up to 17 doses of GEN-1 during a course of treatment that lasts up to six months. No dose-limiting toxicities were reported.

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The OVATION 2 Study combines GEN-1, the Company’s IL-12 gene-mediated immunotherapy, with standard-of-care neoadjuvant chemotherapy (NACT) in patients newly diagnosed with Stage III/IV ovarian cancer. NACT is designed to shrink the cancer as much as possible for optimal surgical removal after three cycles of chemotherapy. Following NACT, patients undergo interval debulking surgery, followed by three additional cycles of chemotherapy to treat any residual tumor.

The OVATION 2 Study is designed with an 80% confidence interval for an observed Progression Free Survival (PFS) Hazard Ratio of 0.75, which would mean an approximate 33% improvement in risk for cancer progression when comparing the treatment arm (NACT + GEN-1) with the control arm (NACT only). GEN-1 is an immunotherapy that produces safe and durable local levels of IL-12, a pluripotent cytokine associated with the stimulation of innate and adaptive immune response against cancer. The GEN-1 nanoparticle comprises a DNA plasmid encoding IL-12 gene and a synthetic polymer facilitating plasmid delivery vector. Cell transfection is followed by persistent, local secretion of the IL-12 protein at therapeutic levels.

The Company also announced that more than 50% of the projected 110 patients have been enrolled in the OVATION 2 Study. Interim clinical data from the first 36 patients who have undergone interval debulking surgery are as follows:

Of the 36 patients who have undergone interval debulking surgery in the OVATION 2 Study:
20 patients were treated with GEN-1 at a dose of 100 mg/m² plus NACT, with 16 out of 20 patients (80%) having a complete tumor resection (R0), which indicates a microscopically margin-negative resection in which no gross or microscopic tumor remains in the tumor bed; and
16 patients were treated with NACT only, with 9 out of 16 patients (56%) having R0 resections.

When combining these results with the surgical resection rates observed in the Company’s prior Phase Ib dose-escalation trial (the OVATION 1 Study), a population of patients with inclusion criteria identical to the OVATION 2 Study, the data reflect the strong dose-dependent efficacy of adding GEN-1 to NACT:
% Patients with R0 Resections
0, 36, 47 mg/m² of GEN-1 plus NACT n=22 50 %
61, 79, 100 mg/m² of GEN-1 plus NACT n=28 82 %

The objective response rate (ORR) as measured by Response Evaluation Criteria in Solid Tumors (RECIST) criteria for the 16 patients treated with NACT only were comparable, as expected, to the 20 patients treated with GEN-1 at a dose of 100 mg/m² plus NACT, with both groups demonstrating an approximate 80% ORR.
"These findings show a consistent dose-dependent clinical response in both surgical outcome and tumor response, which is further supported by translational data of the tumor microenvironment," noted Nicholas Borys, M.D., Celsion’s executive vice president and chief medical officer. "Continuing our clinical research program at the 100 mg/m2 dose in patients with advanced-stage ovarian cancer holds promise and is strongly encouraged by our study investigators and medical advisors."

"We thank the DSMB members for their work and advice," said Michael H. Tardugno, Celsion’s chairman, president and chief executive officer. "We are encouraged by the current rate of patient recruitment and expect to complete enrollment around the end of this year. FDA Fast Track and Orphan Drug Designations for GEN-1 in advanced ovarian cancer are important for our future commercialization efforts. In addition, under the Biologics Price Competition and Innovation Act of 2009, sponsors of new, licensed biological products like GEN-1 that are approved through a Biologics License Application receive 12 years of market exclusivity. The FDA cannot license any 351(k) application for a biosimilar or interchangeable product that relies on the previously approved product as a reference for biosimilarity during this 12-year period."

In February 2021, the Company announced that GEN-1 received FDA Fast Track Designation in advanced ovarian cancer. Celsion plans to request FDA Breakthrough Therapy Designation for GEN-1 based on the encouraging clinical data announced today.

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 previously reported positive safety and encouraging Phase I results with GEN-1 given as monotherapy or a combination therapy in patients with advanced peritoneally metastasized primary or recurrent ovarian cancer, and recently completed a Phase Ib dose-escalation trial (OVATION 1 Study) of GEN-1 in combination with carboplatin and paclitaxel in patients with newly diagnosed ovarian cancer.

On July 19, 2021 OncoNano Medicine, Inc. reported a presentation at the 2nd Annual LifeSci Partners Private Company Summer Symposium, to be held virtually July 21-23, 2021 (Press release, OncoNano Medicine, JUL 19, 2021, View Source [SID1234584950]). Martin Driscoll, CEO of OncoNano, will present on Thursday, July 22nd at 1:30 p.m. ET.

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On July 19, 2021 Eluminex Biosciences (Suzhou) Limited (Eluminex), an ophthalmology-focused biotechnology company headquartered in Suzhou, China with a US-subsidiary office in San Francisco Bay Area, California, reported that it has exclusively licensed global rights for the development and commercialization of an investigational biosynthetic cornea derived from recombinant human collagen Type III intended to treat patients with corneal blindness, from FibroGen, Inc. (FibroGen; NASDAQ: FGEN) (Press release, FibroGen, JUL 19, 2021, View Source [SID1234586988]).

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"We are extremely excited to bring this novel technology initially to the China market to help meet a large unmet medical need for an alternative to human donor cornea tissue," commented Dr. Jinzhong ("JZ") Zhang, Chairman and CEO of Eluminex. "Over 100,000 cases of corneal blindness occur each year in China due to scarring from traumatic injury or infection that could be treated with a surgically implanted bioengineered cornea. Typical treatments in China include human donor corneal transplantation or use of corneal tissue harvested from genetically modified pigs. There is a significant shortage of human donor tissue and porcine corneas have issues with a lack of optical clarity and durability, however, and both methods require the need for additional immunosuppressive medications to prevent graft rejection. The biosynthetic cornea, that is optically clear, offers an alternative using human Type III collagen, a key structural protein that is found in normal human corneas and therefore does not require immunosuppressive medications."

Under the terms of the agreement, Eluminex will make an $8 million upfront payment to FibroGen. In addition, FibroGen may receive up to a total of $64 million in future manufacturing, clinical, regulatory, and commercial milestone payments for the biosynthetic cornea program, as well as $36 million in commercial milestones for the first recombinant collagen III product that is not the biosynthetic cornea. FibroGen will also be eligible to receive royalties based upon worldwide net sales.

Eluminex also announced that Edward Holland, M.D., has joined the company’s Scientific Advisory Board (SAB). Charles Semba, M.D. and Chief Medical Officer of Eluminex commented, "We are excited to introduce Dr. Edward Holland, Professor of Ophthalmology at the University of Cincinnati and Director of the Cornea Service at the Cincinnati Eye Institute and past Chairman of the Eye Bank Association of America, as the newest member of our SAB. He is an internationally recognized expert in corneal allograft surgery and ocular surface disease. Additionally, over the past three decades, he has taught and lectured in China regarding corneal transplant techniques and will provide us critical insights into our biosynthetic cornea program."

"The possibility for an abundant global supply of a biosynthetic human corneal tissue substitute has real potential to transform the lives of the hundreds of thousands of patients around the world in regions where corneal donations are scarce and who otherwise are unlikely to receive a sight-saving corneal transplant," said Dr. Holland.

"We are pleased to enter into this agreement with Eluminex and license this technology to a seasoned ophthalmology team," said Enrique Conterno, CEO of FibroGen. "This transaction enables FibroGen to focus on development of next generation biopharmaceutical therapies in our core areas of cancer, autoimmune and fibrotic diseases, and anemia."

About the Eluminex Biosynthetic Cornea Program
The Eluminex biosynthetic cornea (EB-301) is a clinical stage corneal stromal substitute that will be initially developed for the China market. EB-301 is regulated as a Class III medical device and is anticipated to enter a clinical market authorization registration study in China in 2H 2022 to confirm its safety and effectiveness. The corneal device has been implanted in 10 patients in Europe with 4 years of follow-up and has demonstrated excellent biocompatibility, maintenance of optical clarity, and significantly improved visual acuity without immunosuppression. (Fagerholm et al, Biomaterials, 35 (2014): 2420-2427).

About Corneal Blindness in China
According to the World Health Organization, corneal diseases are one of the leading causes of blindness globally. Approximately 180,000 sight-restoring corneal transplantations are performed worldwide in which nearly a quarter are conducted in the United States. China is the largest most populous developing country in the world and corneal diseases are the second leading cause of blindness with an estimated 2-3 million patients with corneal blindness in at least one eye. However, due to the scarcity of donor corneas, only approximately 5000 to 9000 corneal transplants are conducted in China each year. Corneal porcine xenografts have been available in China since 2015 but technical issues remain with the lack of optical clarity and secondary immunologic complications (eg, graft dissolution and graft rejection). An unmet need exists for a suitable corneal stromal tissue replacement as an alternative to the shortage of donated human cornea and an alternative to porcine xenografts.

On July 16, 2021 Aluda Pharmaceuticals, a private company, reported the publication of an article in a peer reviewed journal describing a novel mechanism of Exosome Release Inhibition (ExoRI) for the treatment of a broad range of cancers (Press release, Aluda Pharmaceuticals, JUL 16, 2021, View Source [SID1234584913]). Over the past decade, tumor exosomes have been studied extensively in academia for their roles carrying signals that make tumors invasive, create a tumor microenvironment (TME) that enables evasion from immune detection, and promote metastases . Tumor cells upregulate their release of exosomes to promote these roles throughout all stages of cancer, across many types of cancers, transporting multiple pro-cancer signals, many of which are existing drug targets. Inhibition represents a way to block many signals at once, even as they change over time. Research has shown that PD-L/PD-L1, the important immune checkpoint targets, avoid detection by their transport in exosomes, so exosome inhibitors may also address the large rate of non-response for that class of agents.

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Aluda’s paper, entitled A Small Vimentin-Binding Molecule Blocks Cancer Exosome Release and Reduces Cancer Cell Mobility, appears in the journal Frontiers in Pharmacology, and describes the exosome release inhibition action of ALD-R491 through multiple in vitro models. Further in studies with ALD-R491 show exosome-driven tissue changes consistent with diminished signaling and a lowered TME.

The essential role of vimentin in enabling exosome movement was discovered by Aluda.

Aluda CEO Dr. Ruihuan Chen said, "These results show exosome inhibition can block the messages sent by tumors to drive metastases, reduce the TME, and increase systemic dysregulation. It enables tumors to be detected and attacked by native immunity, and is a non-cytotoxic mechanism that is oral so we expect exosome release inhibition (ExoRI) will be an effective, safe, and patient-friendly anti-cancer therapy with new and significant benefits to patients, and complementarity to existing drugs."

About ALD-R491

ALD-R491 is an intracellular protein that forms dynamic and flexible filaments which play an essential role in disease to mobilize, become invasive, and activate process, including the release of tumor exosomes. Many different types of diseases, from autoimmune and fibrosis to cancer, rely on vimentin filaments for these steps. ALD-R491 binds to a specific domain on vimentin, changing its physical properties and interrupting its role in disease. As a first-in-class "vimentin binder", ALD-R491 showed wide efficacy against disease. ALD-R491 has completed all IND filing requirements including complete two-species GLP tox.

On July 16, 2021 Grit Biotechnology, a two-year-old Shanghai cell therapy company, reported that it closed a Series A+ round to develop its Tumor Infiltrating Lymphocytes (TIL) therapies (Press release, Grit Bio, JUL 16, 2021, View Source [SID1234584915]). Its leading program is GT101, a genetically unmodified TIL product that is currently being tested at a multi-centered clinical trial in China for solid malignancy indications. The round was led by GL Ventures, the VC arm of Hillhouse Group, with participation from Apricot Capital and Junshi Bio, as well as continued support from existing shareholders, Decheng Capital and Matrix Partners.

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