Celator® Pharmaceuticals to Present Phase 3 Data at 2016 American Society of Clinical Oncology (ASCO) Annual Meeting

On April 21, 2016 Celator Pharmaceuticals, Inc. (Nasdaq:CPXX) reported that Phase 3 clinical trial data for VYXEOS (cytarabine:daunorubicin) Liposome for Injection (also known as CPX-351), its lead product candidate, will be presented at the 2016 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting in Chicago, June 3-7, 2016 (Press release, Celator Pharmaceuticals, APR 21, 2016, View Source [SID:1234511211]).

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A late-breaking abstract on the Phase 3 clinical trial was selected for an oral presentation:

Date & Track Time:
Saturday, June 4, 2016 – 3:00pm to 6:00pm CT

Track:
Hematologic Malignancies – Leukemia, Myelodysplastic Syndromes, and Allotransplant

Presentation Title:
Final results of a phase III randomized trial of CPX-351 versus 7+3 in older patients with newly diagnosed high risk (secondary) AML.

Presenter:
Jeffrey E. Lancet, M.D., H. Lee Moffitt Cancer Center & Research Institute

Abstract #:
7000

Presentation Time:
3:00pm to 3:12pm CT

Location:
Arie Crown Theatre

Opportunities and challenges in leveraging electronic health record data in oncology.

The widespread adoption of electronic health records (EHRs) and the growing wealth of digitized information sources about patients is ushering in an era of ‘Big Data’ that may revolutionize clinical research in oncology. Research will likely be more efficient and potentially more accurate than the current gold standard of manual chart review studies. However, EHRs as they exist today have significant limitations: important data elements are missing or are only captured in free text or PDF documents. Using two case studies, we illustrate the challenges of leveraging the data that are routinely collected by the healthcare system in EHRs (e.g., real-world data), specific challenges encountered in the cancer domain and opportunities that can be achieved when these are overcome.

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PAK5 is auto-activated by a central domain that promotes kinase oligomerization.

PAKs (p21 activated kinases) are an important class of Rho effectors which contain a Cdc42-Rac1 interaction and binding (CRIB) and a flanking auto-inhibitory domain (AID) which binds the C-terminal catalytic domain. The group II kinases PAK4 and PAK5 are considered significant therapeutic targets in cancer. Among human cancer cell lines we find PAK5 protein levels are much lower than those of PAK4, even in NCI-H446 which has the highest PAK5 mRNA expression among 317 lines screened. Although these two kinases are evolutionarily and structurally related, it has never been established why PAK4 is inactive while PAK5 has high basal activity. Experimentally, the AID of PAK5 is functionally indistinguishable from that of PAK4, pointing to other regions being responsible for higher activity of PAK5. Gel filtration indicates PAK4 is a monomer but PAK5 is dimeric. The central region of PAK5 (residues 109-420) is shown here to promote self-association, and an elevated activity, but has no effect on activation loop Ser602 phosphorylation. These residues allow PAK5 to form characteristic puncta in cells, and removing sequences involved in oligomerization suppresses kinase activity. Our model suggests PAK5 self-association interferes with AID binding to the catalytic domain, thus maintaining its high activity. Further, our model explains the observation that PAK5(1-180) inhibits PAK5in vitro.
©2016 The Author(s).

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Helocyte Announces Corporate and Clinical Milestones

On April 21, 2016 Helocyte, Inc. a majority-owned subsidiary of Fortress Biotech, Inc. (NASDAQ: FBIO) focused on the acquisition, development and commercialization of novel immunotherapies for the prevention and treatment of cancer and infectious disease (and in particular, cytomegalovirus or "CMV"), reported several corporate and clinical milestones (Press release, Fortress Biotech, APR 21, 2016, View Source;FID=1500083994 [SID:1234511213]).

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In June 2015, Helocyte’s Board of Directors appointed Frank Taffy as President and Chief Executive Officer (and in December 2015, as an additional member of the Board). Mr. Taffy has more than fifteen years of experience in life sciences corporate development and business operations. He identified the Helocyte programs and co-founded the company during his role as Entrepreneur in Residence at Fortress Biotech. Mr. Taffy previously held the positions of Head (Senior Director) of Business Affairs at Forest Laboratories (now Allergan) and Director of Corporate Development at Life Technologies (now Thermo Fisher Scientific), where he also held Board positions on behalf of the company. Mr. Taffy began his career as Counsel for Intellectual Property at Procter & Gamble. He holds a J.D. from Syracuse University College of Law and a B.A. in biochemistry from the University of North Texas.

In June 2015, a Phase 2 study of Helocyte’s PepVax opened for enrollment. The randomized, placebo-controlled, multicenter trial will evaluate the potential of PepVax to reduce the frequency of CMV events in 96 recipients of allogeneic hematopoietic stem cell transplant. The study is supported by funding from the National Cancer Institute. For additional information on the Phase 2 study of PepVax, please visit: View Source

In November 2015, a Phase 2 study of Helocyte’s universal Triplex opened for enrollment. The randomized, placebo-controlled, multicenter trial will evaluate the potential of Triplex to reduce the frequency of CMV events in 115 recipients of allogeneic hematopoietic stem cell transplant. The study is also supported by funding from the National Cancer Institute. For additional information on the Phase 2 study of Triplex, please visit: View Source

In November 2015, the results of a Phase 1 study of Triplex were selected for presentation at the 57th Annual Meeting of the American Society of Hematology (ASH) (Free ASH Whitepaper). Triplex is the first CMV immunotherapy that uses a recombinant Modified Vaccinia Ankara (MVA) vector incorporating multiple CMV response antigens. The Phase 1 study demonstrated the safety and marked immunogenicity of Triplex. The complete text of the ASH (Free ASH Whitepaper) abstract can be accessed at: View Source

In December 2015, the results of a Phase 1b study of PepVax were published in The Lancet Haematology. PepVax was observed to be well-tolerated, immunogenic and highly effective in controlling CMV in patients. To our knowledge, PepVax is the first immunotherapy to demonstrate proof of concept for CMV control in the post-transplant setting. PepVax further demonstrated the unexpected clinical outcomes of reduced relapse and increased survival (from underlying cancer). The full text of the Lancet publication can be accessed at: http://www.thelancet.com/journals/lanhae/article/PIIS2352-3026(15)00246-X/abstract.

Immune Therapeutics Signs Binding Letter of Intent to Acquire Chinese CAR-T Technology and Clinical Data

On Apr 21, 2016 Immune Therapeutics Inc. (OTCQB: IMUN) reported that they have signed a binding Letter of Intent to acquire Chinese Chimeric Super Antigen Receptor T cell (CAR-T) cocktail therapy, Immuno-Oncology patents (pending), manufacturing technology, and clinical data of the aforementioned therapies from Super-T Cell Cancer Company ("STCC") a newly formed corporation (Press release, Immune Therapeutics, APR 21, 2016, View Source [SID:1234514893]).

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"This CAR-T cell technology licensing further accelerates IMUN’s growth in the Immuno-Oncology field as we evaluate paths to commercialization both in China and other Emerging Markets," commented Christopher Pearce, Chief Operating Officer.
CAR-T cell therapy involves engineering cancer patients’ own immune cells to recognize and attack cancer tumors. CAR-T therapy has great potential to improve patient-specific cancer therapy in a profound way. N umerous studies have implicated regulatory T cells as key mediators in the creation of an immunosuppressed microenvironment that enables tumors to escape attack by the host immune system. The Super CAR-T Cocktail therapy has shown promise in early human clinical trials for the treatment of blood cancer, renal, cervical and hepatic cancer.

"We are very impressed by the quality of the work done by Professor Shan and his team, and are excited by the safe and efficacious profile of this novel CAR-T cocktail therapy for cancerous diseases. This is the beginning of a long-term strategic partnership between IMUN and STCC. Together, we will expeditiously continue our quest in developing more affordable, safer, and more effective cancer immunotherapy programs," said Noreen Griffin, Chief Executive Officer of Immune Therapeutics, Inc.
The need in China for new affordable therapies is critical. It is predicted that there will be about 4,292,000 newly diagnosed invasive cancer cases in 2016, corresponding to almost 12,000 new cancer diagnoses on average each day. IMUN believes that once approved it could capture 5% of the market in the first year.