On October 1, 2021 Compass Therapeutics, Inc. (OTC:CMPX), a clinical-stage, oncology focused biotechnology company developing proprietary immuno-modulatory and anti-angiogenic antibody therapeutics, and ABL Bio, Inc. (KOSDAQ: 298380), a clinical-stage biotech developing bispecific antibody technology for immuno-oncology and neurodegenerative diseases, reported that the Phase 1 monotherapy dose escalation and expansion study data for CTX-009 (ABL001/ES104), a bispecific dual angiogenesis inhibitor targeting DLL4 and VEGF-A, has been selected for an oral plenary presentation at the AACR (Free AACR Whitepaper)-NCI-EORTC AACR-NCI-EORTC (Free AACR-NCI-EORTC Whitepaper) International Conference on Molecular Targets and Cancer Therapeutics (EORTC-NCI-AACR) (Free ASGCT Whitepaper) (Free EORTC-NCI-AACR Whitepaper), being held virtually on October 7-10, 2021 (Press release, Compass Therapeutics, OCT 1, 2021, View Source [SID1234590659]). The oral presentation will include single agent safety, tolerability, exploratory DLL4 expression analysis, and clinical activity data for CTX-009 in heavily pre-treated patients with metastatic, anti-VEGF-resistant solid tumors, mainly of colorectal and gastric origin.

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Oral Presentation Details:

Title: Phase Ia/Ib Dose-Escalation Study of ABL001 (CTX-009, Bispecific Antibody Targeting DLL4 and VEGF-A) as a Single Agent in Patients with Advanced Solid Tumors

Abstract Number: 4749

Session Title: Plenary Session 2: New Drugs on the Horizon I

Presenter: Jeeyun Lee, MD, Samsung Medical Center, Seoul, Korea

Date: October 8, 2021 at 10:45 a.m. EDT

About CTX-009

CTX-009 is a bispecific antibody that simultaneously blocks Delta-like ligand 4/Notch (DLL4) and vascular endothelial growth factor A (VEGF-A) signaling pathways, which are critical to angiogenesis and tumor vascularization. Pre-clinical and early clinical data of CTX-009 suggests that blockade of both pathways provides robust anti-tumor activity across several solid tumors, including colorectal, gastric, cholangiocarcinoma, pancreatic and non-small cell lung cancer. Partial responses to CTX-009 as a monotherapy have been observed in heavily pre-treated cancer patients, who were resistant to currently approved anti-VEGF therapies. CTX-009 has completed a Phase 1 monotherapy dose escalation and expansion study. Phase 1b and Phase 2 combination studies are ongoing.

On October 1, 2021 Neoleukin Therapeutics, Inc., "Neoleukin" (NASDAQ:NLTX), a biopharmaceutical company utilizing sophisticated computational methods to design de novo protein therapeutics, reported the acceptance of four abstracts to be presented at the upcoming Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper)’s 36TH Annual Meeting (SITC 2021) taking place November 10-14, 2021, at the Walter E. Washington Convention Center in Washington, D.C (Press release, Neoleukin Therapeutics, OCT 1, 2021, View Source [SID1234590657]).

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"Presentations by our scientists and collaborators at SITC (Free SITC Whitepaper) 2021 will highlight promising preclinical data with NL-201, a fully de novo IL-2/IL-15 agonist, currently in phase 1 clinical development," said Jonathan Drachman, M.D., Chief Executive Officer of Neoleukin. "We look forward to sharing data on the ability of NL-201 to activate the tumor microenvironment, to demonstrate antitumor activity via intratumoral administration, and to be combined with novel therapeutic candidates."

Details of the poster presentations are as follows:

Title: NL-201 Induces Inflammation in a ‘Cold’ Tumor Microenvironment through Upregulation of MHC-I, Expansion of the TCR Repertoire, and Potent Antitumor Activity when Combined with PD-1 Inhibition

Poster/Abstract Number: 716
Date/Time: Saturday, November 13, 5 a.m. to 8:30 p.m., ET

Title: Intratumoral Administration of NL-201, an Alpha-Independent IL-2/15 Receptor Agonist, Inhibits the Growth of Both Injected and Uninjected Tumors in Preclinical Models

Poster/Abstract Number: 898
Date/Time: Saturday, November 13, 5 a.m. to 8:30 p.m., ET

Title: A First-in-Human Phase 1 Study of NL-201 in Patients with Relapsed or Refractory Cancer (Trials in Progress)

Poster/Abstract: 509
Date/Time: Friday, November 12, 5 a.m. to 8:30 p.m. ET

Title: ICT01, an Anti-BTN3A Monoclonal Antibody, and NL-201, an Alpha-Independent IL-2/IL-15 Agonist, Combine to Elicit a Potent Anti-Tumor Response by Synergistically Stimulating g9d2 T Cell Activation and Proliferation

Poster/Abstract Number: 563
Date/Time: Friday, November 12, 5 a.m. to 8:30 p.m. ET

Poster presentations will be accessible in person and virtually. Onsite posters will be displayed in the SITC (Free SITC Whitepaper) Poster Hall located in Hall E of the convention center. ePosters will be available for SITC (Free SITC Whitepaper) attendees on Nov. 12 at 7 am ET and can be accessed on the SITC (Free SITC Whitepaper) virtual meeting site. All attendees will receive information on how to access the site after they have registered.

About NL-201
NL-201 is a de novo agonist of the IL-2 and IL-15 receptors, designed to expand cancer-fighting CD8 T cells and natural killer (NK) cells without any bias toward cells expressing the alpha receptor subunit (CD25). Previously presented preclinical data has demonstrated the ability of NL-201 to stimulate and expand CD8+ and NK cells at low doses with minimal impact on immunosuppressive regulatory T cells. Furthermore, NL-201 has demonstrated both monotherapy and combination activity across a wide range of preclinical syngeneic tumor models.

On October 1, 2021 Actinium Pharmaceuticals, Inc. (NYSE AMERICAN: ATNM) ("Actinium" or the "Company"), a leader in the development of targeted radiotherapies for patients with unmet needs, reported that two abstracts featuring targeted radiotherapies in combination with CD47 antibody immunotherapy for solid tumor and hematologic indications have been accepted for presentation at the 36th Annual Meeting of the Society for Immunotherapy for Cancer (SITC 2021) (Press release, Actinium Pharmaceuticals, OCT 1, 2021, View Source [SID1234590656]). Actinium’s abstract titles and presentation logistics are as follows:

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Title: Enhancement of the anti-tumor effects of CD47 blockade in solid tumors by combination with targeted radioimmunotherapy

Poster Number: 589

Location: Poster Hall

Dates and Times: 11/12/2021 – 11/14/2021, 7:00 am – 5:00 pm

Title: Anti-CD33 actinium-225 targeted radioimmunotherapy enhances the biologic activity of anti-CD47 antibody immunotherapy in preclinical models of acute myeloid leukemia

Poster Number: 590

Location: Poster Hall

Dates and Times: 11/12/2021 – 11/14/2021, 7:00 am – 5:00 pm

Sandesh Seth, Actinium’s Chairman and CEO, said, "We are excited to highlight our latest R&D efforts focused on combinations of actinium-225 based targeted radiotherapies with CD47 immunotherapies, which has emerged as one of the most active targets in immunotherapy drug development of late, in solid tumors and blood cancers. We are thrilled that our abstracts, which are a product of our enhanced R&D capabilities, have been accepted at SITC (Free SITC Whitepaper). This body of work stemmed from our AWE technology platform, R&D capabilities in immuno-oncology and new laboratory facilities. We’ve highlighted our intention to move into solid tumor indications and immunotherapy combinations outside of the solid tumor work we are doing with our partner Astellas, so it is incredibly exciting to unveil our first initiatives in these areas at SITC (Free SITC Whitepaper). We look forward to presenting data from our work at the conference and continuing to be at the front lines of targeted radiotherapy development leveraging our deep technical knowledge, supply chain and clinical capabilities."

SITC is being held November 10 – 14, 2021 at the Walter E. Washington Convention Center in Washington, D.C. The full posters will be made available on the presentations page of Actinium’s website after the embargo is lifted at 8 AM ET on November 9, 2021.

On October 1, 2021 Affimed N.V. (Nasdaq: AFMD), a clinical-stage immuno-oncology company committed to giving patients back their innate ability to fight cancer, reported that three abstracts with preclinical data of its innate cell engagers have been accepted for poster presentation at the 36th Annual Meeting of the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper), which will be held on November 10-14, 2021 (Press release, Affimed, OCT 1, 2021, View Source [SID1234590655]).

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Early/Late Stage Pipeline Development - Target Scouting - Clinical Biomarkers - Indication Selection & Expansion - BD&L Contacts - Conference Reports - Combinatorial Drug Settings - Companion Diagnostics - Drug Repositioning - First-in-class Analysis - Competitive Analysis - Deals & Licensing

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Abstract details:
Title: Tetravalent, bispecific innate cell engager AFM24 enhances macrophage mediated tumor cell phagocytosis
Abstract ID: 880
Authors: Sheena Pinto, Susanne Wingert, Jens Pahl, Armin Beez, Sabrina Purr, Uwe Reusch, Arndt Schottelius and Joachim Koch

Title: Enhanced antibody-mediated phagocytosis and antibody-mediated cell cytotoxicity using tetravalent, bispecific innate cell engagers (ICE) in 3D spheroids
Abstract ID: 881
Authors: Sheena Pinto, Savannah Jackson, Julia Knoch, Christian Breunig, Arndt Schottelius and Joachim Koch

Title: The bispecific innate cell engagers AFM13 (CD30/CD16A) and AFM24 (EGFR/CD16A) increase the fraction of tumor target-responsive NK cells and boost serial killing
Abstract ID: 894
Authors: Chiara Zambarda, Karolin Guldevall, Christian Breunig, Damien Toullec, Jacopo Fontana, Sheena Pinto, Jens Pahl, Susanne Wingert, Joachim Koch and Björn Önfelt

The full abstracts will be released on November 9, 2021 at 8 a.m. EST.
For more details about the SITC (Free SITC Whitepaper) Virtual Annual Meeting please visit: View Source

On October 1, 2021 Poseida Therapeutics, Inc. (Nadsaq: PSTX), a clinical-stage biopharmaceutical company utilizing proprietary genetic engineering platform technologies to create cell and gene therapeutics with the capacity to cure, reported it will give two virtual poster presentations at the upcoming Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper) 36th Annual Meeting, being held in Washington, D.C., and virtually November 10-14, 2021 (Press release, Poseida Therapeutics, OCT 1, 2021, View Source [SID1234590653]).

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Details on the two poster presentations are as follows. The full abstracts will be made available on the SITC (Free SITC Whitepaper) website on November 9, 2021.

Title: Memory Phenotype in Allogeneic Anti-BCMA CAR-T Cell Therapy (P-BCMA-ALLO1) Correlates with In Vivo Tumor Control
Presenter: Hubert Tseng, Ph.D., Poseida Therapeutics
Session Date/Time: ePoster Hall opens November 12, 2021, at 7:00am ET
Abstract Number: 147

Title: P-MUC1C-ALLO1: A Fully Allogeneic Stem Cell Memory T Cell (TSCM) CAR-T Therapy with Broad Potential in Solid Tumor
Presenter: Yan Zhang, Ph.D., Poseida Therapeutics
Session Date/Time: ePoster Hall opens November 12, 2021, at 7:00am ET
Abstract Number: 123

About P-BCMA-ALLO1

P-BCMA-ALLO1 is Poseida’s first fully allogeneic product candidate targeting B-cell maturation antigen (BCMA) for the treatment of relapsed/refractory multiple myeloma. In in vitro and in vivo preclinical studies, P-BCMA-ALLO1 showed effective targeted cancer cell killing and cytokine secretion, with similar or superior performance in anti-tumor efficacy compared to an autologous CAR-T therapy, P-BCMA-101. Inclusion of a proprietary "booster molecule" in the allogeneic manufacturing process further improves expansion of gene-edited cells and may potentially enable production of hundreds of patient doses from a single manufacturing run, thereby reducing the manufacturing cost per dose into the same range as that of a monoclonal antibody. In August 2021, Poseida announced that its Investigational New Drug (IND) application for P-BCMA-ALLO1 received clearance from the U.S. Food and Drug Administration (FDA). Additional information about the Phase 1 study is available at www.clinicaltrials.gov using identifier: NCT04960579.

About P-MUC1C-ALLO1

P-MUC1C-ALLO1 is an allogeneic CAR-T product candidate in preclinical development with the potential to treat a wide range of solid tumors derived from epithelial cells, including breast and ovarian cancers, as well as other cancers expressing a cancer-specific form of the Mucin 1 protein, or MUC1C. We have designed P-MUC1C-ALLO1 to be fully allogeneic, with genetic edits to eliminate or reduce both host-vs-graft and graft-vs-host alloreactivity. We have demonstrated the elimination of tumor cells to undetectable levels in two preclinical models of breast cancer and a preclinical model of ovarian cancer.