On December 9, 2019 STORM Therapeutics, the biotechnology company focused on the discovery of small molecule therapies modulating RNA epigenetics reported, that its collaborator Dr. Konstantinos Tzelepis, Sir Henry Wellcome Fellow and visiting scientist at the Wellcome Sanger Institute, received the ASH (Free ASH Whitepaper)-BSH Abstract Achievement Award for his work on STORM Therapeutics’ lead programme, METTL3, at the 61st Annual Meeting of the American Society of Hematology (ASH) (Free ASH Whitepaper) held on 7th-10th December 2019 in Orlando, Florida (Press release, STORM Therapeutics, DEC 9, 2019, View Source;exposition-300971436.html [SID1234552158]).

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Dr. Tzelepis received the meritorious award for his abstract entitled ‘Pharmacological Inhibition of the RNA m6a Writer METTL3 As a Novel Therapeutics Strategy for Acute Myeloid Leukemia’ at the Abstract Achievement Award Ceremony which was held on Saturday, 7th December 2019 at 3:30pm (EST) at the Orange County Convention Center in Exhibit Hall B2-B4.

Dr. Tzelepis’s work, which was carried out in collaboration with the Wellcome Sanger Institute and the University of Cambridge, was presented in an oral presentation during the "802. Chemical Biology and Experimental Therapeutics: Novel Compounds and Mechanisms of Action" session on Sunday, 8th December 2019 at 9:30am-11:30am (EST) at the Orange County Convention Centre. The abstract and talk encapsulated the ground-breaking work made on targeting RNA modifying enzymes for cancer treatment and described the recent progress made with the METTL3 inhibitor.

STORM has identified small molecule inhibitors of METTL3 that are orally bioavailable and show pronounced anti-tumour efficacy in physiologically relevant, proof of concept animal models of Acute Myeloid Leukaemia (AML). The talk demonstrated that small molecule inhibition of METTL3 produces the same phenotype and effects previously described in one of STORM’s founder scientists’ publications using genetic models and validates METTL3 as a druggable target for cancer.

Keith Blundy, CEO of STORM Therapeutics, said: "STORM is progressing fast in its preclinical work with our multiple programmes to showcase the capabilities of our novel platform. STORM is a pioneer in RNA epigenetics and we are very pleased to hear that our collaborator is being recognized for the partnership research of METTL3. As the first company in the world to demonstrate in vivo activity of an RNA methyltransferase inhibitor, we are excited to be leading the field as we look to develop these highly innovative new treatment options for cancer patients."

On December 9, 2019 Menarini Silicon Biosystems, the pioneer of liquid biopsy and rare cell technologies, reported that new research utilizing the company’s CELLSEARCH Circulating Tumor Cell (CTC) test will be featured at the upcoming 2019 San Antonio Breast Cancer Symposium (SABCS) (Press release, Menarini Silicon Biosystems, DEC 9, 2019, View Source [SID1234552157]).

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Researchers from Northwestern University will present the results of three studies that used the FDA-cleared CELLSEARCH system to conduct CTC testing in a total of 463 breast cancer patients. The poster presentations provide preliminary insight into the use of liquid biopsy and CTC enumeration to help clinicians better understand the metastatic process and facilitate management of patients with metastatic breast cancer (MBC).

"Liquid biopsies enable us to monitor the disease over time and more fully understand the complexity, heterogeneity and evolution of the disease, which is critical to selecting better treatments," said Massimo Cristofanilli, M.D., F.A.C.P., Associate Director for Translational Research, Robert H. Lurie Comprehensive Cancer Center of Northwestern University. "While we need to expand these data to further prospective studies for validation, this new research marks an important step towards potentially expanding the role of liquid biopsy — particularly enumeration of CTCs and molecular analysis for accurate and real-time prediction and prognostic monitoring the metastatic process."

Dr. Cristofanilli co-authored all three CELLSEARCH studies being presented at SABCS**.

CELLSEARCH is the first and only clinically validated blood test cleared by the FDA for detecting and enumerating CTCs as an aid for physicians to manage patients with metastatic breast, prostate and colorectal cancers. The test is also approved by the Chinese National Medical Products Administration (NMPA) for use as an aid in monitoring metastatic breast cancer patients.

"There is a large body of research supporting the longstanding value of CTCs, which is one of the reasons many physicians are using CELLSEARCH in their clinics," said Fabio Piazzalunga, President and CEO of Menarini Silicon Biosystems, Inc. "Studies like these help to increase understanding of the value of liquid biopsy and CTC enumeration and play an important role in advancing precision medicine for metastatic breast cancer."

Poster Presentation Details:

Poster Session 3 – Thursday, December 12, 5:00 pm – 7:00 pm, Hall 1

Title:

Liquid biopsy methods and machine learning modeling to understand organ tropism and metastization behavior of metastatic breast cancer – P3-01-05

Authors:

Gerratana L et al.
Northwestern University, Chicago, IL; IRCCS CRO Aviano National Cancer Institute, Aviano, Italy.

Poster Session 4 – Friday, December 13, 7:00 am – 9:00 am, Hall 1

Title:

Clinical relevance of CK+/CD45+, dual-positive circulating cells (DPCells) in patients with metastatic breast cancer (MBC) – P4-01-07

Authors:

Reduzzi et al.
Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL.

Title:

Anatomical staging and value of CTCs in locally advanced breast cancer (LABC) and metastatic breast cancer (MBC) – P4-01-08

Authors:

Zhang Q et al.
Department of Medicine, University of Udine, Uniud, Italy; Department of Medicine, Northwestern University, Chicago, IL; Department of Pathology, Northwestern University, Chicago, IL.

The CELLSEARCH System is the most extensively studied CTC technology, with research published in more than 650 peer-reviewed publications. Providing valuable information to help physicians make patient-management decisions along with other clinical monitoring methods, the CELLSEARCH CTC test is performed at a reference laboratory using the CELLSEARCH System. The testing can be used throughout a given therapy for metastatic breast, colorectal, and prostate cancer to monitor a patient’s status by showing if their prognosis is favorable.

To learn more about the CELLSEARCH System, SABCS attendees can visit Menarini Silicon Biosystems at Booth #909.

SABCS will be held at the Henry B. Gonzalez Convention Center, San Antonio, Texas, Dec. 10-14, 2019.

On December 9, 2019 Jasper Therapeutics, Inc., a new biotechnology company focused on enabling safer conditioning and therapeutic agents that expand the application of curative hematopoietic stem cell transplants and gene therapies, reported that initial results from an ongoing Phase 1 dose-escalation study of its lead product candidate, JSP191 (formerly AMG191), will be presented today in an oral session at the American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting & Exposition (Press release, Jasper Therapeutics, DEC 9, 2019, View Source [SID1234552156]).

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JSP191, a humanized antibody targeting CD117, is designed to replace or reduce the toxicity of chemotherapy and radiation therapy as a conditioning regimen to prepare patients for hematopoietic cell transplantation. The Phase 1 clinical trial is evaluating JSP191 as a conditioning agent to enable stem cell transplantation in patients with severe combined immunodeficiency (SCID) who received a prior stem cell transplant that had poor outcomes.

"Life-threatening disorders such as SCID, and other conditions including autoimmune diseases and hematologic cancers, can be cured by hematopoietic cell transplantation, and those with certain genetic diseases can be cured with stem cell-directed gene therapies. However, the number of patients who can benefit from these approaches is limited because of the severe toxicity of the chemotherapy used for pre-transplant conditioning that is needed to allow room in the bone marrow for the stem cells to engraft," said Judith Shizuru, M.D., Ph.D., co-founder and member of the Board of Directors of Jasper Therapeutics. "We are encouraged by the initial Phase 1 study results of JSP191 in these fragile patients with SCID and plan to expand clinical development of this antibody beyond patients with SCID. We expect to initiate clinical trials of JSP191 in 2020 to evaluate it as a conditioning agent in patients undergoing hematopoietic cell therapy for acute myeloid leukemia, myelodysplastic syndrome and Fanconi anemia, and IND-enabling studies for sickle cell disease and autoimmune indications."

Details of the oral presentation follow:

Abstract Title: Non-Genotoxic Anti-CD117 Antibody Conditioning Results in Successful Hematopoietic Stem Cell Engraftment in Patients with Severe Combined Immunodeficiency (abstract #800)
Session Name: 721. Clinical Allogeneic Transplantation: Conditioning Regimens, Engraftment, and Acute Transplant Toxicities: Innovative Approaches in Allogeneic Transplantation for Pediatric or Nonmalignant Disorders
Presenter: Rajni Agarwal, M.D., Associate Professor of Pediatrics and Stem Cell Transplantation, the Stanford University School of Medicine
Time: 3:00 p.m. ET
Location: W311EFGH, Level 3, Orange County Convention Center

About Stem Cell Transplantation

Blood-forming, or hematopoietic, stem cells are cells that reside in the bone marrow and are responsible for the generation and maintenance of all blood and immune cells. These stem cells can harbor inherited or acquired abnormalities that lead to a variety of disease states, including immune deficiencies, blood disorders or hematologic cancers. Successful transplantation of hematopoietic stem cells is the only cure for most of these life-threatening conditions. Replacement of the defective or malignant hematopoietic stem cells in the patient’s bone marrow is currently achieved by subjecting patients to toxic treatment with radiation and/or chemotherapy that cause DNA damage and lead to short- and long-term toxicities, including immune suppression and prolonged hospitalization. As a result, many patients who could benefit from a stem cell transplant are not eligible. New approaches that are effective but have minimal to no toxicity are urgently needed so more patients who could benefit from a curative stem cell transplant could receive the procedure.

Safer and more effective hematopoietic cell transplantation regimens could overcome these limitations and enable the broader application of hematopoietic cell transplants in the cure of many disorders. These disorders include hematologic cancers (e.g., myelodysplastic syndrome [MDS] and acute myeloid leukemia [AML]), autoimmune diseases (e.g., lupus, rheumatoid arthritis, multiple sclerosis and Type 1 diabetes), and genetic diseases that could be cured with genetically-corrected autologous stem cells (e.g., severe combined immunodeficiency syndrome [SCID], sickle cell disease, beta thalassemia, Fanconi anemia and other monogenic diseases).

About JSP191

JSP191 (formerly AMG191) is a first-in-class humanized monoclonal antibody in clinical development as a conditioning agent that clears hematopoietic stem cells from bone marrow. JSP191 binds to human CD117, a receptor for stem cell factor (SCF) that is expressed on the surface of hematopoietic stem and progenitor cells. The interaction of SCF and CD117 is required for stem cells to survive. JSP191 blocks SCF from binding to CD117 and disrupts critical survival signals, causing the stem cells to undergo cell death and creating an empty space in the bone marrow for donor or gene-corrected transplanted cells to engraft.

Preclinical studies have shown that JSP191 as a single agent safely depletes normal and diseased hematopoietic stem cells, including in an animal model of MDS. This creates the space needed for transplanted normal donor or gene-corrected hematopoietic stem cells to successfully engraft in the host bone marrow. To date, JSP191 has been evaluated in more than 80 healthy volunteers and patients. It is currently being evaluated as a sole conditioning agent in a Phase 1 dose-escalation trial to achieve donor stem cell engraftment in patients undergoing hematopoietic cell transplant for SCID, which is curable only by this type of treatment. For more information about the design of the clinical trial, visit www.clinicaltrials.gov (NCT02963064). Clinical development of JSP191 will be expanded to also study patients with AML or MDS who are receiving hematopoietic cell transplant.

On December 9, 2019 Portola Pharmaceuticals, Inc. (Nasdaq: PTLA) reported new interim results from the Company’s ongoing Phase 2a study of cerdulatinib, an investigational, oral SYK/JAK inhibitor, in patients with relapsed/refractory follicular lymphoma (FL) receiving cerdulatinib alone or in combination with rituximab (Press release, Portola Pharmaceuticals, DEC 9, 2019, View Source [SID1234552155]). The data will be presented today during a poster session at the 61st American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting in Orlando (December 7-10).

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Data included safety and efficacy findings as of November 2019 for 42 patients who received single agent cerdulatinib at 30 mg twice daily (with the exception of two patients who initiated treatment at 35 mg) and 21 patients who received cerdulatinib at 30 mg twice daily in combination with a standard dosing regimen of rituximab. The number of prior treatment regimens including anti-CD20 antibody, bendamustine and other alkylating agents, and PI3K inhibitors ranged from one to 10, with a median of three.

Among the 42 patients in the cerdulatinib-only cohort, the overall response rate (ORR) was 48%; 7 patients (17%) achieved a complete response (CR), 13 patients (31%) achieved a partial response (PR) and 10 patients (24%) achieved stable disease (SD). To date, 16 of the 42 patients (38%) in the cerdulatinib-only cohort have been on study drug for at least 10 months.

Among the 21 patients evaluated for efficacy in the cerdulatinib and rituximab combination cohort, the ORR was 76%; 5 patients (24%) achieved a CR, 11 patients (52%) achieved a PR and 5 patients (24%) achieved SD. Of the 11 patients in this combination cohort who have been on one to three prior therapies, the ORR was 91% with a complete response rate of 36%.

Cerdulatinib was generally well-tolerated and the safety profile appeared similar in both the cerdulatinib-only and rituximab combination cohorts. The most common adverse events (AEs) occurring in ≥5% of all evaluable study patients were lipase increase (27%), neutropenia (18%), diarrhea (13%) and amylase increase (9%). The most common AEs in the combination cohort included lipase increase (32%), neutropenia (22%) and diarrhea (14%). The lipase and amylase changes were generally asymptomatic and not associated with pancreatitis. Additionally, there was no emergence of late-stage colitis, cardiac or liver abnormalities, or other evidence of cumulative toxicity.

"These interim results demonstrate that cerdulatinib provides sustained clinical activity and good tolerability in patients with relapsed/refractory follicular lymphoma, and that the tumor response to both monotherapy and combination therapy appears to deepen over time," said Paul Hamlin, M.D., medical director for the David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center. "It is encouraging that the combination of cerdulatinib and rituximab achieved an improved objective response rate (ORR) in heavily pre-treated patients compared to prior interim data, indicating it may have potential as a second-line therapy. We look forward to continuing the study and exploring an optimized dose of cerdulatinib and rituximab in this setting."

"Cerdulatinib is the most advanced SYK/JAK inhibitor of its kind in development for oncology, and has demonstrated its potential to inhibit two key survival pathways in Non-Hodgkin Lymphoma," said Jeff Myers, Portola’s interim chief medical officer. "The data presented at ASH (Free ASH Whitepaper) continues to demonstrate its safety and efficacy across a range of malignancies. Specific to follicular lymphoma, we are excited that the updated data showed an improved ORR with greater anti-tumor activity in combination with rituximab, and we look forward to exploring lower doses for potential use in the second-line setting."

ASH Poster Session Details – Monday, December 9, 2019, at 6:00 p.m. EST

Title:

Rapid and Durable Responses with the SYK/JAK Inhibitor Cerdulatinib in a Phase 2 Study in Relapsed/Refractory Follicular Lymphoma—Alone or in Combination with Rituximab

Session:

623. Mantle Cell, Follicular, and Other Indolent B-Cell Lymphoma—Clinical Studies: Poster III

Presenter:

Paul A. Hamlin, M.D., David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center

Location:

Hall B, Level 2 (Orange County Convention Center)

About the Phase 2a Study
The Phase 2a, open-label study was designed to assess the safety and efficacy of cerdulatinib in patients with relapsed/refractory FL (alone or in combination with rituximab), small lymphocytic lymphoma (SLL) and specific subtypes of T-cell Non-Hodgkin Lymphoma, including PTCL, AITL and CTCL.

Tumor response in the two cohorts evaluating patients with relapsed/refractory FL was assessed by Lugano classification, with treatment continued until disease progression or unacceptable toxicity. Tumor response assessments were performed at the end of cycle two and every three cycles thereafter.

About Cerdulatinib
Cerdulatinib is an investigational oral, dual spleen tyrosine kinase (SYK) and janus kinase (JAK) inhibitor that uniquely inhibits two key cell signaling pathways implicated in certain hematologic malignancies and autoimmune diseases. There is a strong rationale for inhibiting both SYK (B-cell receptor pathway) and JAK (cytokine receptors) in B-cell malignancies where both targets have been shown to promote cancer cell growth and survival.

The U.S. Food and Drug Administration granted cerdulatinib Orphan Drug Designation for the treatment of PTCL in September 2018.

On December 9, 2019 SCYNEXIS, Inc. (NASDAQ : SCYX) reported that it has commenced an underwritten public offering of shares of its common stock and warrants (Press release, Scynexis, DEC 9, 2019, View Source [SID1234552154]). In addition, SCYNEXIS expects to grant the underwriter a 30-day option to purchase up to an additional 15% of the shares of common stock and warrants being offered on the same terms and conditions. All of the shares of common stock and warrants in the offering will be sold by SCYNEXIS. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed or as to the actual size or terms of the offering.

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H.C. Wainwright & Co. is acting as sole book-running manager for the offering.

A shelf registration statement relating to the shares being sold in this offering was filed with the U.S. Securities and Exchange Commission on August 31, 2018, and was declared effective on September 14, 2018. The offering will be made only by means of a prospectus supplement and accompanying prospectus. A preliminary prospectus supplement and accompanying prospectus relating to the offering will be filed with the SEC and will be available for free on the SEC’s website located at View Source When available, electronic copies of the preliminary prospectus supplement and accompanying prospectus relating to the proposed public offering may be obtained by contacting H.C. Wainwright & Co., LLC, 430 Park Avenue, 3rd Floor, New York, NY 10022, or by telephone at (646) 975-6996, or by email to [email protected]. This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, 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.