Varian Medical Systems to Equip New York Proton Consortium with ProBeam System

On July 21, 2015 Varian Medical Systems (NYSE: VAR) reported that it has entered into an agreement with New York Proton Management LLC, a consortium of leading New York healthcare institutions including Memorial Sloan Kettering Cancer Center, Mount Sinai Health System, Montefiore Health System, and ProHEALTH Medical Management, LLC formed to operate The New York Proton Center, the first proton facility in New York State (Press release, InfiMed, JUL 21, 2015, View Source [SID:1234506554]). Varian will provide the center, which will have four treatment rooms and a research room, with its ProBeam system, as well as 10 years of service for approximately $115 million. The center, which will be located in Manhattan, is expected to open for treatment in the first half of 2018.

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Varian expects to book the equipment portion of the order in the fourth quarter of this fiscal year with the remainder of the order to be booked in accordance with the company’s policies over the term of the agreement.

Under an agreement with MM Proton I, LLC, the project developer, Varian’s international subsidiary in Switzerland will provide $91.5 million in project financing, including a six-and-half-year $73 million senior first lien loan at 9 percent interest and a six-and-half-year $18.5 million subordinate loan at up to 13.5 percent interest. Other lenders for the $242.7 million in total project loans include JPMorgan Chase Bank, N.A. and an affiliate of The Goldman Sachs Group, Inc. The project facility is managed by Murphy & McManus, a Boston-based developer of healthcare and life science facilities and Norton Travis of NLT Advisors served as project coordinator on behalf of the consortium.

"We are excited to be part of an innovative and cooperative initiative by leading cancer clinicians to provide patients in the New York area and around the world with the most advanced proton treatment capabilities," said Dow Wilson, Varian president and CEO.

Varian’s ProBeam system with Dynamic Peak Scanning is uniquely capable of high-speed intensity modulated proton therapy (IMPT) which is the most precise form of proton therapy available. The Varian installation will include its ARIA information management system and Eclipse treatment planning software.

Proton therapy makes it possible to treat certain types of cancer more precisely and with potentially fewer side effects than is possible with conventional radiation therapy. With proton therapy, the risk of damage to healthy tissues and potential side effects is reduced because the beam stops and deposits dose within the tumor site rather than passing all the way through the patient. Proton therapy can be used for many of the most common types of cancer. In pediatric patients the risk of developing a new, radiation-induced cancer later in life may be reduced.

Varian’s ProBeam technology is being used to treat patients at the Scripps Proton Therapy Center in San Diego, the Rinecker Proton Therapy Center in Munich, and at the Paul Scherrer Institute in Switzerland. Varian also has contracts for system installations at nine other sites around the world.

Advaxis Expands Intellectual Property for Lm Technology(TM) Platform in HER2

On July 21, 2015 Advaxis, Inc. (NASDAQ:ADXS), a clinical-stage biotechnology company developing cancer immunotherapies, reported that the United States Patent and Trademark Office (USPTO) has granted U.S. Patent No. 9,084,747 with composition of matter claims covering ADXS-HER2 (Press release, Advaxis, JUL 21, 2015, View Source [SID:1234506556]).

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The patent expands Advaxis’s intellectual property portfolio in claiming numerous compositions for the company’s Lm Technology immunotherapy candidate designed to target HER2 expressing cancers. The patent also covers methods of using the same compositions for eliciting an immune response against, preventing the onset of, preventing the formation of, impeding a growth of, preventing an escape mutation in the treatment of, or treating a HER2 expressing tumor.

The patent will expire on September 19, 2032, and also covers ADXS-HER2 use for decreasing the frequency of intra-tumoral T regulatory cells, for decreasing the frequency of myeloid derived suppressor cells, or for increasing intratumoral ratio of CD8+/ T regulatory cells.

"We see significant potential for our investigational agents in HER2 expressing cancers," said Daniel J. O’Connor, President and Chief Executive Officer of Advaxis. "This patent rounds out our portfolio, allowing us to maintain the development of ADXS-HER2 and commence enrollment of the first human trial as planned by year end."

Currently, Advaxis has 29 granted patents and 37 pending applications in the United States, in addition to having 54 granted foreign patents and 60 pending foreign applications.

About HER2 Expressing Cancers

Human epidermal growth factor receptor 2 (HER2) is expressed in a percentage of solid tumors such as breast, gastric, bladder, brain, pancreatic, ovarian and pediatric bone cancer (osteosarcoma). The American Cancer Society estimates that in 2015 in the United States alone there will be 231,840 new cases of invasive breast cancer; 24,590 new cases of gastric cancer; 74,000 new cases of bladder cancer; 22,850 new cases of brain/spinal cancer; 48,960 new cases of pancreatic cancer; 21,290 new cases of ovarian cancer; and 207 new cases of pediatric osteosarcoma. HER2 expression is associated with more aggressive disease, increased risk of relapse and decreased overall survival, and is an important target for immunotherapy.

About ADXS-HER2

ADXS-HER2 is an Lm Technology immunotherapy product candidate being developed by Advaxis for the targeted treatment of HER2 expressing cancers. ADXS-HER2 has received orphan drug designation by the U.S. Food and Drug Administration (FDA) for the treatment of osteosarcoma in May 2014. Advaxis is developing ADXS-HER2 for both human and animal-health, and has seen encouraging data in canine osteosarcoma, which is considered a model for human osteosarcoma. Advaxis has licensed ADXS-HER2 and three other immunotherapy constructs to Aratana Therapeutics, Inc. for pet therapeutics.

CytRx Announces Pricing of Public Offering of 9.1 Million Shares of Common Stock

On July 21, 2015 CytRx Corporation (Nasdaq: CYTR), a biopharmaceutical research and development company specializing in oncology, reported the pricing of its previously announced underwritten public offering (Press release, CytRx, JUL 21, 2015, View Source;p=RssLanding&cat=news&id=2069484 [SID:1234506553]).

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CytRx is offering 9,100,000 shares of common stock at a public offering price of $2.75 per share for gross proceeds of approximately $25.0 million, prior to deducting underwriting discounts and commissions and estimated offering expenses payable by CytRx.

CytRx intends to use the net proceeds of the offering to fund clinical trials of its drug candidate aldoxorubicin and its drug discovery activities and for general corporate purposes, which may include pre-commercialization activities relating to aldoxorubicin, working capital, capital expenditures, research and development and other commercial expenditures. CytRx has granted the underwriters a 30-day option to purchase up to an additional 1,365,000 shares of common stock. The offering is expected to close on or about July 24, 2015, subject to the satisfaction of customary closing conditions.

Jefferies LLC is the sole book-running manager for the offering. Oppenheimer & Co. Inc., Aegis Capital Corp., FBR Capital Markets & Co., and H.C. Wainwright & Co., LLC are acting as co-lead managers for the offering.

CytRx is offering the shares described above pursuant to a shelf registration statement on Form S-3, including a base prospectus, which was previously filed with and has been declared effective by the Securities and Exchange Commission (SEC). The securities may be offered only by means of a prospectus. A preliminary prospectus supplement related to the offering was filed with the SEC on July 20, 2015 and a final prospectus supplement related to the offering will be filed with the SEC today. Copies of the final prospectus supplement and the accompanying prospectus, when available, may be obtained from Jefferies LLC, Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd Floor, New York, NY 10022, by email at [email protected] or by phone at 877-547-6340 or by accessing the SEC’s website at View Source

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities of CytRx Corporation, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Novonco Teams with City of Hope to Build a Better Cancer Drug

On July 20, 2015 Dr. Jack Kavanaugh, Chairman of Novonco Pharmaceuticals, Inc., reported that Novonco has licensed the exclusive rights to City of Hope’s novel anti-cancer agent COH29, a potential breakthrough agent in the fight against hard-to-treat cancers, including ovarian cancer (Press release, Novonco Therapeutics, JUL 20, 2015, View Source [SID1234645698]).

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The small molecule COH29 inhibits the production of ribonucleotide reductase (RNR), an enzyme that is central to production of many types of cancer cells. Current clinically-established RNR inhibitors — such as hydroxyurea and gemcitabine — have drawbacks, including a short half-life and drug resistance. But COH29 represents a new class of RNR inhibitors, with unique targeted-action mechanisms that limit damage to non-cancer cells, thus limiting side effects. Preclinical trials suggest it can overcome hydroxyurea and gemcitabine resistance in cancer cells and may serve as a first- or second-line treatment in relevant cancers. This novel therapeutic agent has been in development at City of Hope’s Beckman Research Institute.

In preclinical studies, COH29 has been shown to reduce tumor growth in human cancers, including leukemia and ovarian cancer — diseases that are hard to treat, and it has also shown promise against breast cancer cells. "One of the real potentials of COH29," says Dr. David Horne, co-chairman of Novonco’s Medical Advisory Board, "is its potent antitumor activity against BRCA1-deficient ovarian cancer."

Ovarian cancer (OC) is the most lethal — and the second most-common — gynecologic cancer in the United States, with over 20,000 new cases and 14,000 deaths expected yearly. Most of the cases are diagnosed at an advanced stage, with a corresponding 5-year survival rate of only 27 percent. Today, primary treatment of OC typically consists of surgery followed by first-line chemotherapy with a platinum/taxol combination. First-in-human Phase I clinical trials of COH29 are scheduled to begin in the fall of 2015 at City of Hope.

"We at Novonco are excited to work with City of Hope on COH29, which holds so much promise for the treatment of ovarian and other hard-to-treat cancers," says Dr. Kavanaugh. The company is working on two other cancer therapeutic platforms, based on individual licensing arrangements with City of Hope and the University of California Irvine.

In 2009, in conjunction with City of Hope, Dr. Kavanaugh founded ZetaRx Therapeutics. Dr. Kavanaugh was also the Chairman and CEO of ZetaRx, which became the core of Juno Therapeutics. Juno was the largest biotech IPO of 2014 and attained a market cap of approximately $6 billion.

Pembrolizumab Improves Progression-Free Survival in Patients with Ipilimumab-Resistant Melanoma

On July 20, 2015 National Cancer Institute reported that Interim results from a randomized controlled phase II trial show that pembrolizumab (Keytruda) improves progression-free survival in patients with melanoma that has gotten worse during treatment with ipilimumab (Yervoy), and with a BRAF or MEK inhibitor (if the tumor carried the BRAF V600 mutation), compared with chemotherapy (Press release, , JUL 20, 2015, View Source [SID:1234506700]).

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The findings were published online in The Lancet Oncology on June 24. Antoni Ribas, M.D., Ph.D., of the University of California, Los Angeles, was the first author of the study, which was sponsored by Merck Sharp & Dohme, the maker of pembrolizumab.

Pembrolizumab is a targeted therapy known as an immune checkpoint inhibitor. The drug, a monoclonal antibody, binds to a protein on T cells called PD-1. When PD-1 is activated by binding to a protein that is produced by many tumor cells, the immune response is suppressed. Binding of pembrolizumab to PD-1 blocks activation of the PD-1 pathway, allowing the immune response to proceed.

In September 2014, the Food and Drug Administration (FDA) granted accelerated approval to pembrolizumab as a second-line therapy for advanced melanoma that has progressed (gotten worse) during treatment with ipilimumab or BRAF inhibitors. The approval was based on results from a randomized phase IB trial, called KEYNOTE-001. As a condition of this accelerated approval, Merck was required to conduct a multicenter randomized trial to establish the superiority of pembrolizumab over standard therapy and to describe its clinical benefit.

In the current trial, called KEYNOTE-002, 540 patients with advanced melanoma were randomly assigned to receive one of three treatment regimens: pembrolizumab at a dose of 2 milligrams per kilogram of body weight every 3 weeks, pembrolizumab at a dose of 10 milligrams per kilogram of body weight every 3 weeks, or chemotherapy selected by the patient’s physician. Neither the patients nor the investigators knew which dose of pembrolizumab individual patients received, although they knew whether the treatment was pembrolizumab or chemotherapy.

Overall survival will be the primary endpoint at the final analysis. At this interim analysis, the primary endpoint was progression-free survival, and the secondary endpoints included safety.

The 6-month progression-free survival rates were 34 percent for patients who received the lower dose of pembrolizumab, 38 percent for patients who received the higher dose of pembrolizumab, and 16 percent for patients who received chemotherapy.

Patients in the pembrolizumab groups had lower incidences of treatment-related grade 3-4 adverse events than patients in the chemotherapy group. Such side effects were seen in 20 patients who received the lower dose of pembrolizumab (11 percent), 25 patients who received the higher dose of pembrolizumab (14 percent), and 45 patients who received chemotherapy (26 percent).

The most common treatment-related grade 3-4 adverse events in the lower-dose pembrolizumab group were fatigue, edema, and myalgia. In the higher-dose pembrolizumab group, the most common treatment-related grade 3-4 adverse events included colitis, decreased appetite, and diarrhea. And for the chemotherapy group, the most common grade 3-4 treatment-related adverse events included anemia, fatigue, and neutropenia.

Study participants were surveyed about their health-related quality of life (HRQoL). Overall, patients in the pembrolizumab groups scored better on HRQoL measures than patients in the chemotherapy group. "The inclusion of HRQoL data is a real strength and reflects the favorable tolerability of pembrolizumab, particularly in a group of patients with poor prognosis and who have been heavily pretreated," wrote the authors of an accompanying editorial.

Although more data are needed to assess overall survival, the current results suggest that the two doses of pembrolizumab are associated with similar outcomes, the study authors noted.

"These findings corroborate published results as well as the FDA’s decision to grant accelerated approval to pembrolizumab," said Howard Streicher, M.D., of NCI’s Cancer Therapy Evaluation Program, who was not involved in the trial. "The study clearly demonstrates the improvement of progression-free survival at either dose of pembrolizumab across every group in the study without regard to age or the number of prior treatments."

Based on the published studies to date, Dr. Streicher added, the emerging standard of care for the initial treatment of metastatic melanoma will involve giving sequences and combinations of the BRAF/MEK inhibitors and PD1/PDL1/CTLA4 monoclonal antibodies, such as ipilimumab, pembrolizumab, and nivolumab (Opdivo).