SOUTH SAN FRANCISCO, Calif., March 14, 2023 /PRNewswire/ -- ALX Oncology Holdings Inc., ("ALX Oncology") (Nasdaq: ALXO), a clinical-stage immuno-oncology company developing therapies that block the CD47 checkpoint pathway, and Quantum Leap Healthcare Collaborative ("Quantum Leap") today announced that the first patient has been dosed in the I-SPY-P1-TRIAL for the treatment of patients with unresectable or metastatic HER2-positive and HER2-low breast cancer. Sponsored by Quantum Leap, this Phase 1 (open-label), multi-center study arm will investigate evorpacept, a CD47 blocker, in combination with ENHERTU® (fam-trastuzumab deruxtecan-nxki), a HER2 directed antibody-drug conjugate ("ADC"), to determine the safety, tolerability and efficacy of this drug combination.
"Evorpacept is a potentially transformative approach to strengthen the anticancer immune response against breast cancer with minimal added toxicity," said Laura Esserman, M.D., co-founder of Quantum Leap, Professor of Surgery and Radiology at the University of California San Francisco, CA. "The combination of a novel CD47 blocker with a HER2-directed ADC represents a promising strategy for patients with advanced breast cancer who develop resistance to other therapies and are in urgent need of new treatment options. The I-SPY Phase 1 program is designed to rapidly assess safety of novel therapy combinations that will help advanced cancer patients, but also rapidly qualify them to be tested in the high-risk early stage setting in the I-SPY 2.2 TRIAL, where complete responses result in curing patients. We are excited to collaborate with ALX Oncology to accelerate the development of this therapeutic combination with the goal of improving patients' lives, with more effective and less toxic therapies."
About the I-SPY TRIALs
The I-SPY TRIAL ("Investigation of Serial studies to Predict Your Therapeutic Response with Imaging And moLecular analysis") was designed to rapidly screen promising experimental treatments and identify those most effective in specific patient subgroups based on molecular characteristics (biomarker signatures). The trial is a unique collaborative effort by a consortium that includes the Food and Drug Administration ("FDA"), industry, patient advocates, philanthropic sponsors, and clinicians from 16 major U.S. cancer research centers. Under the terms of the collaboration agreement, Quantum Leap Healthcare Collaborative is the trial sponsor and manages all study operations. The trial now includes the serial testing of agents and combinations with the ability to escalate and de-escalate therapy based on response to treatment, and the ability to start with non-chemotherapy combinations. For more information, visit www.ispytrials.org.
The I-SPY Phase 1 trial is the newest member of the I-SPY master protocols. It is designed to rapidly test the safety and identify the optimal dose of promising combinations of novel therapeutics that might be particularly effective in the early-stage high-risk breast cancer, but where additional safety or dose finding is necessary. The phase 1 trial was designed to accelerate the pace of advancing safe, effective, and less toxic therapies to the early-stage treatments where lives can be saved. The I-SPY 2.2 TRIAL is uniquely poised to test therapies for their ability to result in a complete response where standard chemotherapy can be avoided.
About Quantum Leap Healthcare Collaborative
Quantum Leap Healthcare Collaborative is a 501c(3) charitable organization established in 2005 as a collaboration between medical researchers at University of California, San Francisco and Silicon Valley entrepreneurs. Our mission is to integrate care and research, and to foster high-impact trials with embedded clinical processes and systems technology and improved data management, greater access to clinical trial matching, and greater benefit to patients, providers, and researchers. Our goal is to improve and save lives. Quantum Leap provides operational, financial, and regulatory oversight to I-SPY. For more information, visit https://www.quantumleaphealth.org/.
About ALX Oncology
ALX Oncology is a publicly traded, clinical-stage immuno-oncology company focused on helping patients fight cancer by developing therapies that block the CD47 checkpoint pathway and bridge the innate and adaptive immune system. ALX Oncology's lead product candidate, evorpacept, is a next generation CD47 blocking therapeutic that combines a high-affinity CD47 binding domain with an inactivated, proprietary Fc domain. Evorpacept has demonstrated promising clinical responses across a range of hematologic and solid malignancies in combination with a number of leading anti-cancer agents. ALX Oncology intends to continue clinical development of evorpacept for the treatment of multiple solid tumor indications and hematologic malignancies.
Cautionary Note Regarding Forward-Looking Statements
This press release contains forward-looking statements that involve substantial risks and uncertainties. Forward-looking statements include statements regarding future results of operations and financial position, business strategy, product candidates, planned preclinical studies and clinical trials, results of clinical trials, research and development costs, regulatory approvals, timing and likelihood of success, plans and objects of management for future operations, as well as statements regarding industry trends. Such forward-looking statements are based on ALX Oncology's beliefs and assumptions and on information currently available to it on the date of this press release. Forward-looking statements may involve known and unknown risks, uncertainties and other factors that may cause ALX Oncology's actual results, performance or achievements to be materially different from those expressed or implied by the forward-looking statements. These and other risks are described more fully in ALX Oncology's filings with the Securities and Exchange Commission ("SEC"), including ALX Oncology's Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q and other documents ALX Oncology files with the SEC from time to time. Except to the extent required by law, ALX Oncology undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.
ALX Oncology Investor Contact:
Chief Financial Officer, ALX Oncology
(650) 466-7125 Ext. 113
ALX Oncology Media Contact:
Quantum Leap Healthcare Collaborative Media Contact:
Director, Marketing and Communications
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