BerGenBio to Present New NSCLC and AML Clinical Data and Biomarker Data From Phase II Development Programme With Selective AXL Inhibitor Bemcentinib at ASCO 2019

On May 15, 2019 BerGenBio ASA (OSE: BGBIO) a clinical-stage biopharmaceutical company developing novel, selective AXL kinase inhibitors for multiple cancer indications, notes the publication of abstracts relating to new interim clinical and biomarker data that the company and its collaborators reported that it will present from its extensive Phase II clinical development programme with bemcentinib at the 2019 annual meeting of the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) at McCormick Place in Chicago, Illinois (31 May – 4 June 2019) (Press release, BerGenBio, MAY 15, 2019, View Source [SID1234536362]).

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The abstracts have been made available online at abstracts.asco.org today and details of the presentations are below.

The posters presented at ASCO (Free ASCO Whitepaper) will be made available at www.bergenbio.com in the Investors / Presentations section to coincide with the following conference sessions:

Sunday 2 June, 8:00 AM – 11:30 AM Central Daylight Time

A Phase II study of bemcentinib (BGB324), a first-in-class highly selective AXL inhibitor, with pembrolizumab in patients with advanced NSCLC: OS for stage I and preliminary stage II efficacy.

Enriqueta Felip et al
Session: Lung Cancer – Non-Small Cell Metastatic
Location: Hall A, poster board #421, abstract 9098
Data highlights:

Phase II clinical trial assessing bemcentinib in combination with pembrolizumab (KEYTRUDA) in advanced lung cancer patients post chemotherapy.
The combination treatment of bemcentinib and pembrolizumab was overall well-tolerated.
Promising clinical activity continues to be seen overall, particularly in patients with AXL positive tumours including those with weak or no PD-L1 expression.
Updated results will be reported at the meeting, including the 12-month overall survival for stage 1 and preliminary efficacy of Stage 2.
Monday 3 June, 8:00 AM – 11:30 AM Central Daylight Time

First-in class selective AXL inhibitor bemcentinib (BGB324) in combination with low dose AraC (LDAC) or decitabine exerts anti-leukaemia activity in AML pts unfit for intensive chemotherapy: Phase II open-label study.

Dr Sonja Loges et al
Session: Hematologic Malignancies – Leukaemia, Myelodysplastic Syndromes, and Allotransplant
Location: Hall A, poster board #418, abstract 7043
Data highlights:

Bemcentinib in combination with LDAC exerted early onset and durable responses in patients with both de novo and relapsed AML, whilst the combination of bemcentinib and decitabine exerted comparably fewer and later responses in de novo AML.
Both combinations were generally well-tolerated.
Updated results will be presented.
Richard Godfrey, Chief Executive Officer of BerGenBio, commented: "We are encouraged by the promising data that continues to emerge from our clinical development programme with bemcentinib in AML and NSCLC. Following the data that was gathered in January, we have expanded our clinical programmes in both indications and, together with our investigators, look forward to providing further important findings at ASCO (Free ASCO Whitepaper).

"Most NSCLC patients in Europe now receive anti-PD(L)-1 therapies like KEYTRUDA as a first- or second-line treatment for their advanced disease. Improving responses to these novel agents, particularly in patients with no or limited expression of PD-L1, who may not have benefitted from such therapies, is significant. Similarly, positive responses in a less fit AML patient population considered to have unfavourable prognosis after the failure of first-line therapies, or those with high risk cytogenetics is very encouraging."

CytomX Therapeutics Announces Presentations at 2019 ASCO Annual Meeting

On May 15, 2019 CytomX Therapeutics, Inc. (Nasdaq:CTMX) a clinical-stage oncology-focused biopharmaceutical company pioneering a novel class of investigational antibody therapeutics based on its Probody therapeutic technology platform, reported that additional clinical results from PROCLAIM-072, an ongoing Phase 1/2 trial evaluating CX-072, a Probody therapeutic targeting PD-L1, will be presented in a Poster Session and as part of a Poster Discussion Session at the 2019 Annual Meeting of the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) (Press release, CytomX Therapeutics, MAY 15, 2019, View Source [SID1234536386]). The conference will take place from May 31 – June 4 in Chicago, Illinois.

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The poster and presentation will detail additional results from the monotherapy expansion arms of the PROCLAIM-CX-072 trial with a data cutoff date of April 5, 2019.

Poster Presentation

Abstract: #2513 / Poster Board: #157

Title: CX-072, a PD-L1 Probody Therapeutic, as Monotherapy in Patients with Advanced Solid Tumors: Preliminary Results of PROCLAIM-CX-072

Presenter: Aung Naing, M.D., FACP, The University of Texas MD Anderson Cancer Center

Session: Developmental Immunotherapy and Tumor Immunobiology

Date/Time: Saturday, June 1, 8:00 – 11:00 a.m.

Location: McCormick Place, Hall A

The accepted abstract is available online on ASCO (Free ASCO Whitepaper)’s website at View Source

Poster Discussion Session

Title: CX-072, a PD-L1 Probody Therapeutic, as Monotherapy in Patients with Advanced Solid Tumors: Preliminary Results of PROCLAIM-CX-072

Presenter: David B. Page, M.D., Providence Cancer Center

Session: Developmental Immunotherapy and Tumor Immunobiology

Date/Time: Saturday, June 1, 1:15 – 2:45 p.m.

Location: McCormick Place, Hall D1

CytomX’s poster will be available online under the Events and Presentations section of the CytomX website at the time of presentation at www.CytomX.com.

Atara Biotherapeutics Announces Presentations Highlighting Tab-cel® and Mesothelin-Targeted CAR T Clinical Results at American Society of Clinical Oncology (ASCO) Annual Meeting

On May 15, 2019 Atara Biotherapeutics, Inc. (Nasdaq: ATRA), a leading off-the-shelf, allogeneic T-cell immunotherapy company developing novel treatments for patients with cancer, autoimmune and viral diseases, reported three presentations at the upcoming ASCO (Free ASCO Whitepaper) 2019 Annual Meeting, which will take place in Chicago, Illinois from May 31 to June 4, 2019 (Press release, Atara Biotherapeutics, MAY 15, 2019, View Source [SID1234536330]).

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An oral session will feature a presentation by Atara’s collaborators at Memorial Sloan Kettering Cancer Center (MSK) with additional Phase 1 clinical results for their regionally delivered autologous mesothelin-targeted chimeric antigen receptor T-cell (CAR T) immunotherapy for patients with malignant pleural mesothelioma.

Atara will also present two studies highlighting tab-cel (tabelecleucel), the Company’s product candidate in Phase 3 development for patients with Epstein-Barr virus-associated post-transplant lymphoproliferative disorder (EBV+ PTLD) as well as in earlier stage development for other EBV-associated hematologic malignancies and solid tumors.

One study describes a potential biomarker for clinical response to tab-cel in patients with Epstein-Barr virus-associated diseases. A second presentation focuses on the design of Atara’s ongoing Phase 1b/2 clinical study design of tab-cel in combination with KEYTRUDA (pembrolizumab) for patients with platinum-resistant or recurrent EBV-associated nasopharyngeal carcinoma (NPC).

Details of the presentations are as follows:

Abstract 2511: Regional delivery of mesothelin-targeted CAR T cells for pleural cancers: Safety and preliminary efficacy in combination with anti-PD-1 agent
Oral Presentation Date and Time:Tuesday, June 4, 2019, 8:36 a.m. – 8:48 a.m. CDT
Session Title: The Who, What, and Where of CAR T
Location: S406, McCormick Place, South Building, Chicago, IL
Authors:Prasad S. Adusumilli, Marjorie G Zauderer, Valerie W Rusch, Roisin E O’Cearbhaill, Amy Zhu, Daniel Ngai, Erin McGee, Navin Chintala, John Messinger, Waseem Cheema, Elizabeth F Halton, Claudia R Diamonte, John Pineda, Alain Vincent, Shanu Modi, Steve Solomon, David R Jones, Renier J Brentjens, Isabelle C Riviere, Michel W Sadelain
Affiliations:Memorial Sloan Kettering Cancer Center
Summary: Atara’s collaborators at Memorial Sloan Kettering Cancer Center (MSK) reported positive Phase 1 clinical results for their mesothelin-targeted CAR T immunotherapy for patients with solid tumors at the American Association of Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting 2019. Efficacy and safety results were presented for patients with malignant pleural mesothelioma who may also have received pembrolizumab and lymphodepleting chemotherapy. Following administration of a novel mesothelin-targeted CAR T, MSK investigators observed a 72% response rate in a subset of these patients. Additional results from this study will be presented at the 2019 ASCO (Free ASCO Whitepaper) Annual Meeting.

Abstract 2532: Correlation of circulating EBV-targeted cytotoxic T lymphocyte precursors (EBV-CTLp) and clinical response following tabelecleucel (tab-cel) infusion in patients with EBV-driven disease
Poster Presentation Date and Time: Saturday, June 1, 2019, 8:00 a.m. – 11:00 a.m. CDT
Session Title: Developmental Immunotherapy and Tumor Immunobiology
Location: Poster Board 176, Hall A, McCormick Place, South Building, Chicago, IL
Authors: Blake T. Aftab, Daniel Munson, Kevin Rasor, Philippe Foubert, Donald Tsai, Wen Kai Weng, Armin Ghobadi, Koen van Besien, Yan Sun, Minoti Hiremath, Willis Navarro, Susan Prockop
Affiliations: Atara Biotherapeutics, University of Pennsylvania, Stanford University, Washington University, Cornell University, Memorial Sloan Kettering Cancer Center
Summary: Circulating EBV-CTLp were measured for patients with EBV-associated diseases following tab-cel administration. The study found a correlation between response rate and increases in EBV-CTLp and suggests EBV-CTLp levels could be used as a biomarker for clinical response to tab-cel treatment.

Abstract TPS6092: Tabelecleucel in combination with pembrolizumab (Pembro) in platinum-pretreated, recurrent/metastatic Epstein-Barr virus (EBV)-positive nasopharyngeal carcinoma (EBV+NPC)
Poster Presentation Date and Time: Saturday, June 1, 2019, 1:15 p.m. – 4:15 p.m. CDT
Session Title: Head and Neck Cancer
Location: Poster Board 79b, Hall A, McCormick Place, South Building, Chicago, IL
Authors:Lillian L. Siu, Joshua Bauml, Douglas Adkins, A. Dimitrios Colevas, Cesar Perez, Jennifer Choe, Yang Zhang, Wen Shi, Willis Navarro, Missak Haigentz Jr, Guilherme Rabinowits, David Pfister
Affiliations:Princess Margaret Cancer Centre, Perelman School of Medicine, Washington University School of Medicine, Stanford Cancer Institute, Sylvester Comprehensive Cancer Center, Duke University, Atara Biotherapeutics, Morristown Medical Center/Atlantic Health System, Miami Cancer Institute, Memorial Sloan Kettering Cancer Center
Summary: EBV-associated nasopharyngeal carcinoma (EBV+ NPC) is a solid tumor of the head and neck. Tab-cel Phase 1 EBV+ NPC clinical study results were encouraging and support ongoing development in combination with KEYTRUDA (pembrolizumab) for patients with platinum-resistant or recurrent EBV+ NPC.

Seattle Genetics to Present at RBC Capital Markets 2019 Global Healthcare Conference

On May 15, 2019 Seattle Genetics, Inc. (Nasdaq:SGEN) reported that management will present at the RBC Capital Markets 2019 Global Healthcare Conference on Wednesday, May 22, 2019 at 8:30 a.m. Eastern Time (Press release, Seattle Genetics, MAY 15, 2019, View Source [SID1234536346]). The presentation will be webcast live and available for replay from Seattle Genetics’ website at www.seattlegenetics.com in the Investors section.

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Rakuten Medical Highlights Upcoming Presentations and Activities During the ASCO Annual Meeting, May 31 – June 4, 2019 in Chicago

On May 15, 2019 Rakuten Medical, a clinical-stage biotechnology company developing precision-targeted cancer therapies based on its proprietary photoimmunotherapy (PIT) platform, reported that it will be presenting data from its Phase 2a clinical trial focused on RM-1929 PIT in patients with locoregional, recurrent head and neck squamous cell carcinoma (rHNSCC) during the ASCO (Free ASCO Whitepaper) annual meeting, May 31 – June 4, 2019 in Chicago (Press release, Rakuten Medical, MAY 15, 2019, View Source;june-4-2019-in-chicago-300851238.html [SID1234536363]).

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In addition, study criteria and details on Rakuten Medical’s Phase 3 clinical trial of ASP-1929 PIT therapy versus physician’s choice standard-of-care for the treatment of patients with locoregional rHNSCC will also be highlighted during a poster presentation.

Details about Rakuten Medical activities throughout ASCO (Free ASCO Whitepaper) are listed below:

Poster Discussion Session

Results of a Phase 2a, multicenter, open-label, study of RM-1929 photoimmunotherapy (PIT) in patients with locoregional, recurrent head and neck squamous cell carcinoma (rHNSCC) (Abstract 6014)

Presenter:

David M. Cognetti, MD, FACS, Jefferson Center for Head and Neck Surgery at the Thomas Jefferson University Hospital, Philadelphia

Date/time:

1:15 p.m. – 4:15 p.m. CST, with discussion from 4:30 p.m. – 6 p.m. CST, Saturday, June 1, 2019

Location:

Hall A

Overview:

In this study, results are reported of a Phase 2a trial of PIT with a targeted drug, RM-1929, consisting of the EGFR-directed antibody, Cetuximab. It is conjugated to a photoactivatable dye (IRDye 700DX). Binding of the antibody-dye conjugate to cancer cells, followed by a photoactivation with non-thermal red light, induces selective and rapid necrosis of cancer cells with minimal damage to surrounding tissue.

Poster Presentation

A global Phase 3 multicenter, randomized, double-arm, open-label trial of ASP-1929 photoimmunotherapy vs. physician’s choice standard of care for the treatment of patients with locoregional, recurrent head and neck squamous cell carcinoma (rHNSCC) (Abstract TPS6094)

Presenter:

Jeannie Hou, MD, VP of Clinical Development for Rakuten Medical

Date/time:

1:15 p.m. – 4:15 p.m. CST, Saturday, June 1, 2019

Location:

Hall A

Overview:

The objective of this Phase 3 study is to evaluate the efficacy and safety of ASP-1929 (EGFR-directed antibody Cetuximab-IR700 conjugate) PIT treatment as a monotherapy in patients with locoregional rHNSCC. Patients with rHNSCC have few curative treatment options available and low response rates; therefore, new modalities that can be targeted, minimally invasive, and provide improved tumor response and control with limited side effects are needed.

Exhibit Hall

Medical Affairs Booth, Rakuten Medical

Location:

Booth #16024

Date/time:

9 a.m. – 5 p.m. CST, Saturday – Monday, June 1-3, 2019.

About Photoimmunotherapy
Photoimmunotherapy (PIT) is an investigational, anti-cancer treatment platform that is comprised of a drug and device combination that utilizes monoclonal antibodies conjugated to a dye (IRDye 700DX). Transient excitation of IRDye 700Dx with non-thermal red light (690 nm) is believed to result in anti-cancer activity, which is mediated by biophysical processes that may compromise the membrane integrity of cells. The requirement of targeted binding of antibody-IR700 conjugate to a specific antigen on the cell surface and subsequent illumination is believed to result in rapid and selective cell killing and tumor necrosis with minimal effects on surrounding normal tissue. PIT may also lead to the systemic induction of innate and adaptive immunity.