On October 12, 2020 KAHR, a cancer immunotherapy company developing novel multifunctional immuno-recruitment proteins, reported that an abstract reporting preclinical data for DSP107, a second generation CD47x41BB targeting compound for the treatment of solid tumors and hematological malignancies, has been accepted for an oral presentation at the 62nd American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition, taking place virtually from December 5-8, 2020 (Press release, KAHR Medical, OCT 12, 2020, View Source [SID1234568356]).
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"The ASH (Free ASH Whitepaper) Annual Meeting will be an important opportunity to present mechanistic studies and extensive in vitro and in vivo results from our novel CD47x41BB clinical stage drug candidate," said Yaron Pereg, Ph.D., Chief Executive Officer of KAHR. "We look forward to advancing the clinical development of this novel therapy."
The following abstract will be posted on the ASH (Free ASH Whitepaper) website on November 5, 2020, at 9:00 a.m. ET:
Title: DSP107, a Novel Bi-Functional Fusion Protein That Combines Inhibition of CD47 with Targeted Activation of 4-1BB to Trigger Innate and Adaptive Anticancer Immune Responses
Publication Number: 173
Session Name: 625. Lymphoma: Pre-Clinical—Chemotherapy and Biologic Session Date: Saturday, December 5, 2020
Session Time: 12:00 PM – 1:30 PM
Presentation Time: 12:30 PM
Session Name: 625. Lymphoma: Pre-Clinical—Chemotherapy and Biologic Agents: Novel Approaches to Overcome Resistance
About DSP107
DSP107 targets CD47-overexpressing tumors, simultaneously blocking macrophage inhibitory signals and delivering an immune costimulatory signal to tumor antigen-specific, activated T-cells. CD47 is overexpressed on many cancer cells and binds SIRPα on immune phagocytic cells to produce a "don’t eat me" signal. DSP107 binds CD47 on cancer cells, blocking interaction with SIRPα and thus, blocking the "don’t eat me signal". Simultaneously, DSP107 binds 41BB on T-cells, stimulating their activation. These activities lead to targeted immune activation through both macrophage and T-cell mediated tumor destruction.
About DPS107 Phase I/II
A Phase I/II clinical trial to evaluate the safety, pharmacokinetics (PK) and pharmacodynamics (PD) of DSP107 as a monotherapy and in combination with Roche’s PD-L1-blocking checkpoint inhibitor (CPI) atezolizumab (Tecentriq) in patients with advanced solid tumors is currently being activated. The preliminary efficacy of both DSP107 monotherapy and combination therapy with atezolizumab will also be evaluated in patients with advanced non-small-cell lung carcinoma (NSCLC) who progressed after treatment with PD-1/PD-L1 inhibitors. The study will be conducted at multiple centers in the United States under a clinical collaboration with Roche.