On July 1, 2015 4SC AG (Frankfurt, Prime Standard: VSC), a discovery and development company of targeted small molecule drugs for cancer and autoimmune diseases, reported that the company has managed to further strengthen its patent portfolio for its lead clinical anti-cancer programme resminostat (Press release, 4SC, JUL 1, 2015, View Source [SID:1234506542]).

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For the epigenetic agent resminostat, an HADC inhibitor targeting in particular HDAC 1, 2, 3 and 6, the US Patent Office has granted the patent for the medical use in cancer indications. The patent relates to the so-called method of treatment claims, and covers medical application of resminostat in mono- and/or combination therapy for cancer indications.

In addition, the Canadian patent authority has granted the composition of matter patent for resminostat. Thus resminostat has now composition of matter protection in all major markets including the US, Europe, Japan, China, South Korea, Russia, India, and now Canada.

The granting of the two patents constitutes an additional protection against potential competitors and thus further strengthens the protection of 4SC’s intellectual property assets, including the composition of matter, mesylate salt and manufacturing patents of resminostat, for which up to date patents have been granted in 58 countries, including the major markets.

Enno Spillner, Chief Executive Officer of 4SC, said: "We are pleased to announce the recent additions to our patent portfolio. The two patents will further strengthen not only the wide strategic position of our resminostat programme but also of 4SC as an important player in the field of epigenetic cancer therapies." Enno Spillner continued: "Especially, the resminostat medical application patent shows the broad possibilities of future use of our lead drug candidate. This is in particular evident in the light of the recently announced additional clinical use by our partner Yakult Honsha in pancreatic and biliary tract cancer as well as our own planned European Phase II trial in the indication of CTCL."

About Resminostat
Resminostat (4SC-201) is an oral histone-deacetylase (HDAC) inhibitor, targeting in particular HDAC 1, 2, 3 and 6, with an innovative epigenetic mechanism of action that potentially enables the compound to be deployed as a novel, targeted tumour therapy for a broad spectrum of oncological indications, both in monotherapy and, in particular, in combination with other cancer drugs. Like other epigenetic therapies, resminostat modifies transcription of genes in cancer cells and, thereby, reprograms the phenotypes of such cancer cells. Additionally, resminostat has immunotherapeutic effects by activating NK cells, restoring MHCI and MHCII proteins and suppression of unspecific immunosuppression. Resminostat is assumed to be able to halt tumour progression and induce tumour regression. Furthermore, due to its epigenetic mode of action resminostat is supposed to 2 develop additional synergetic effects when combined with classical cancer therapies and to counteract the development of tumour cell resistance.

Resminostat – by 4SC and its Japanese partner Yakult – has been investigated or is currently being investigated in a broad clinical campaign comprising liver cancer (HCC), Hodgkin’s Lymphoma (HL), colorectal cancer (CRC), non-small-cell lung cancer (NSCLC), pancreatic and biliary tract cancer. Resminostat is partnered with Yakult Honsha for Japan and with Menarini AP in the Asia Pacific (APAC) region excluding Japan. 4SC is currently in preparations of a randomised, controlled Phase II trial in the indication of advanced cutaneous T-cell lymphoma (CTCL) in Europe.

On July 1, 2015 CEL-SCI Corporation (NYSE MKT: CVM)("CEL SCI" or the "Company") reported that in June it has enrolled 25 patients in its ongoing Phase 3 trial of its investigational immunotherapy Multikine* (Leukocyte Interleukin, Injection) in just diagnosed, not yet treated patients with head and neck cancer (Press release, Cel-Sci, JUL 1, 2015, View Source [SID:1234506541]). Total patient enrollment is now 488 as of June 30, 2015 in the world’s largest Phase 3 study in head and neck cancer.

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A total of 880 patients are expected to be enrolled, through approximately 100 clinical centers in about 25 countries by the end of March 2016.

About the Multikine Phase 3 Study

The Multikine Phase 3 study is enrolling just diagnosed, not yet treated patients with advanced primary squamous cell carcinoma of the head and neck. The objective of the study is to demonstrate a statistically significant improvement in the overall survival of enrolled patients who are treated with the Multikine treatment regimen plus standard of care ("SOC") vs. subjects who are treated with SOC only. Standard of Care for these patients consists of the surgical removal of the tumor and any locally involved lymph nodes, followed by radiotherapy or concurrent radiochemotherapy.

About Multikine

Multikine (Leukocyte Interleukin, Injection) is an investigational immunotherapeutic agent that is being tested in an open-label, randomized, controlled, global pivotal Phase 3 clinical trial as a potential first-line treatment for advanced primary squamous cell carcinoma of the head and neck. Multikine is designed to be a different type of therapy in the fight against cancer: one that appears to have the potential to work with the body’s natural immune system in the fight against tumors.

Multikine is also being tested in a Phase 1 study under a Cooperative Research and Development Agreement ("CRADA") with the U.S. Naval Medical Center, San Diego, as a potential treatment for peri-anal warts in HIV/HPV co-infected men and women. CEL-SCI has also entered into two co-development agreements with Ergomed Clinical Research Limited to further the development of Multikine for cervical dysplasia/neoplasia in women who are co-infected with HIV and HPV and for peri-anal warts in men and women who are co-infected with HIV and HPV.

On July 1, 2015 Clovis Oncology reported that it has commenced the submission of a New Drug Application (NDA) regulatory filing to the U.S. Food and Drug Administration (FDA) for rociletinib for the treatment of patients with mutant epidermal growth factor receptor (EGFR) non-small cell lung cancer (NSCLC) who have been previously treated with an EGFR-targeted therapy and have the EGFR T790M mutation as detected by an FDA approved test (Press release, Clovis Oncology, JUL 1, 2015, View Source;p=RssLanding&cat=news&id=2064236 [SID:1234506019]). Rociletinib is the Company’s novel, oral targeted covalent (irreversible) mutant-selective inhibitor of EGFR in development for the treatment of NSCLC in patients with initial activating EGFR mutations, as well as the dominant resistance mutation T790M.

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Rociletinib was granted Breakthrough Therapy designation by the FDA in May 2014. Clovis agreed with FDA that the submission would be a rolling NDA and has filed the first component for potential accelerated approval of rociletinib in the U.S. The rolling NDA allows completed portions of an NDA to be submitted and reviewed by the FDA on an ongoing basis. The Company intends to complete the NDA submission by late July 2015.

"The initiation of this rolling submission represents a very important first step toward our biggest milestone of 2015 – the submission of our first NDA for rociletinib as treatment for patients with T790M-positive EGFR-mutant non-small cell lung cancer," said Patrick J. Mahaffy, President and CEO of Clovis Oncology. "We look forward to completing the NDA by the end of July, and are actively preparing for our first commercial launch."

In addition, the Company intends to complete the Marketing Authorization Application (MAA) for rociletinib to the European Medicines Agency at the end of July.

About Rociletinib

Rociletinib is an oral, potent, mutant-selective inhibitor of epidermal growth factor receptor (EGFR) under investigation for the treatment of EGFR-mutated non-small cell lung cancer (NSCLC). Rociletinib targets the activating mutations of EGFR (L858R and Del19), while also inhibiting the dominant acquired resistance mutation, T790M, which develops in approximately 60 percent of patients treated with first- and second-generation EGFR inhibitors, while sparing wild-type, or "normal" EGFR at anticipated therapeutic doses. Accordingly, it has the potential to treat NSCLC patients with EGFR mutations both as a first-line or second-line treatment with a potentially reduced toxicity profile. Rociletinib was granted Breakthrough Therapy designation by the U.S. FDA in May 2014.

About Rociletinib Clinical Development

Clovis is currently enrolling several studies in EGFR-mutant NSCLC:

TIGER-X is a Phase 1/2 study designed to evaluate the safety and efficacy of three different doses of rociletinib in a very advanced patient population.
TIGER-1 is a randomized Phase 2/3 registration study versus erlotinib in newly-diagnosed patients.
TIGER-2 is a global registration study underway in both T790M-positive and T790M-negative patients directly after progression on their first and only TKI therapy.
TIGER-3 is a randomized, comparative study versus chemotherapy in both T790M-positive and T790M-negative patients with acquired TKI resistance.
A Phase 1 study of rociletinib in Japan has completed enrollment and a Phase 2 study in Japanese patients, agreed upon with Japanese regulatory authorities, is expected to initiate in the second half of 2015.
Multiple combination studies are planned to initiate in the second half of 2015, including inhibitors of PD-L1, PD-1 and MEK.
For more information, please visit www.tigertrials.com.

About Lung Cancer and EGFR Mutations

Lung cancer is the most common cancer worldwide with 1.35 million new cases annually, with NSCLC accounting for almost 85 percent of all lung cancers. NSCLC progresses rapidly with a five-year survival rate in advanced NSCLC patients of less than five percent. EGFR activating mutations occur in approximately 10 to 15 percent of NSCLC cases in Caucasian patients and approximately 30 to 35 percent in East Asian patients. These patients often experience significant tumor response to erlotinib, afatinib and gefitinib, which are first- and second-generation EGFR inhibitors. However, most patients ultimately progress on these therapies, with approximately 60 percent of patients developing acquired resistance from a second, "gatekeeper" mutation, T790M. Currently, no targeted therapies are approved for treatment of this mutation.

On July 1, 2015 Exelixis reported yesterday Exelixis’ partner Genentech, a member of the Roche Group, informed Exelixis that, in order to accommodate its review of a supplemental data submission, the U.S. Food and Drug Administration (FDA) has extended the Prescription Drug User Fee Act (PDUFA) action date for its review of Genentech’s New Drug Application (NDA) for cobimetinib by the standard extension period of three months, from August 11, 2015 to November 11, 2015 (Press release, Exelixis, JUL 1, 2015, View Source;p=RssLanding&cat=news&id=2064058 [SID:1234506017]).

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FDA extended its review after Genentech submitted, at FDA request, additional data from coBRIM, the phase 3 registrational trial of cobimetinib and vemurafenib in patients with BRAF V600 mutation-positive advanced melanoma.

Exelixis discovered cobimetinib, a selective inhibitor of MEK, internally and advanced the compound to investigational new drug (IND) status. In late 2006, Exelixis entered into a collaboration agreement with Genentech, under which Exelixis received initial upfront and milestone payments in connection with signing the agreement and submitting the IND. Exelixis was responsible for development of cobimetinib through the determination of the maximum tolerated dose in phase 1, at which point Genentech exercised its option to further develop the compound.

In November 2013, Exelixis exercised its option to co-promote cobimetinib, if approved, in the United States. Exelixis is entitled to an initial equal share of U.S. profits and losses, which will decrease as sales increase, and will share equally in the U.S. marketing and commercialization costs. Exelixis is eligible to receive royalties on any sales of the product outside the United States.

About the Cobimetinib and Vemurafenib Combination

Cobimetinib is a selective inhibitor that blocks the activity of MEK, a protein kinase that is part of a key pathway (the RAS-RAF-MEK-ERK pathway) that promotes cell division and survival. This pathway is frequently activated in human cancers including melanoma, where mutation of one of its components (BRAF) causes abnormal activation in about 50% of tumors. Tumors with BRAF mutations may develop resistance and subsequently progress after treatment with a BRAF inhibitor. In preclinical melanoma models, co-treatment with a BRAF inhibitor and a MEK inhibitor may delay the emergence of resistant tumors. In addition to the combination with vemurafenib in melanoma, cobimetinib is also being investigated in combination with several investigational medicines, including an immunotherapy, in several tumor types, including non-small cell lung cancer, colorectal cancer, triple-negative breast cancer and melanoma.