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BioLineRx Announces Abstract on Pilot Study Data from Phase 2 Combination Clinical Trial Evaluating Motixafortide in First-Line Pancreatic Cancer (PDAC) at American Society of Clinical Oncology (ASCO) 2024 Annual Meeting

https://finance.yahoo.com/news/biolinerx-announces-abstract-pilot-study-110000276.html

New analysis of biopsy samples demonstrated a significant increase in CD8+ T-cell density in tumors from all 11 patients treated

7 of 11 patients in the pilot phase experienced a partial response, with 6 confirmed; 10 of 11 patients experienced disease control

Poster Presentation on Saturday, June 1, 2024 in Chicago, Illinois

TEL AVIV, Israel, May 24, 2024 /PRNewswire/ -- BioLineRx Ltd. (NASDAQ: BLRX) (TASE: BLRX), a commercial stage biopharmaceutical company pursuing life-changing therapies in oncology and rare diseases, today announced that an abstract including new data from the single-arm pilot phase of the investigator-initiated, randomized CheMo4METPANC Phase 2 combination clinical trial was accepted for presentation at the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting, taking place May 31-June 4, 2024 in Chicago, Illinois. The CheMo4METPANC trial is evaluating the company's CXCR4 inhibitor motixafortide, the PD-1 inhibitor cemiplimab, and standard-of-care chemotherapies gemcitabine and nab-paclitaxel, versus gemcitabine and nab-paclitaxel alone, in first-line pancreatic cancer (PDAC).

Updated results of the pilot study portion of the Phase 2 study include a new analysis of paired pre- and on-treatment biopsy samples that demonstrated an increase in CD8+ T-cell density in tumors from all 11 patients treated with the combination of motixafortide, cemiplimab and standard-of-care chemotherapies gemcitabine and nab-paclitaxel (P = 0.007). As of February 6, 2024, 7 patients achieved partial response (64%), including 6 confirmed partial responses, and 10 patients (91%) had disease control compared to historic partial response and disease control rates of 23% and 48%, respectively, with gemcitabine and nab-paclitaxel. Preliminary median progression-free survival (PFS) was 9.6 months compared to historic median PFS of 5.5 months with gemcitabine and nab-paclitaxel.

"We continue to be encouraged by the data from the pilot phase of this ongoing Phase 2 study, including the initial efficacy results, as well as new findings that the combination therapy including motixafortide demonstrated increased CD8+ T-cell density in the tumors of all patients treated," said Philip Serlin, Chief Executive Officer of BioLineRx Ltd. "The biopsy sample findings continue to confirm immune cell activation and tumor microenvironment modulation observed in previous clinical evaluation. We look forward to our continued collaboration with Columbia University on this clinical research, and to advancing a potential new therapeutic option for pancreatic cancer, which is urgently needed for this difficult-to-treat disease."

Based on the encouraging results from the pilot phase of the study, the CheMo4METPANC Phase 2 trial was amended to become a randomized study, with planned enrollment increasing from 30 to 108 patients. Sponsored by Columbia University, the trial is the first large, multi-center, randomized study evaluating motixafortide with a PD-1 inhibitor and first-line PDAC chemotherapies.

Poster Presentation at ASCO 2024
McCormick Place, Chicago, Illinois

Poster Session Details

Primary Track: Gastrointestinal Cancer—Gastroesophageal, Pancreatic and Hepatobiliary
Title: CheMo4METPANC: A randomized phase 2 study with combination chemotherapy (gemcitabine and nab-paclitaxel), chemokine (C-X-C) motif receptor 4 inhibitor (motixafortide), and immune checkpoint blockade (cemiplimab) compared to chemotherapy alone in metastatic treatment-nai¨ve pancreatic adenocarcinoma
Presenter: Gulam Abbas Manji, MD, PhD, Columbia University Herbert Irving Comprehensive Cancer Center
Abstract: TPS4208 (see abstract)
Poster # 174a
Date: Saturday, June 1, 2024
Time: 1:30 PM CDT
Location: Hall A

About CheMo4METPANC Phase 2 Clinical Trial
The multi-center CheMo4METPANC Phase 2 clinical trial (ClinicalTrials.gov Identifier: NCT04543071) is a randomized, investigator-initiated clinical trial in first line metastatic pancreatic cancer. Sponsored by Columbia University, and supported equally by BioLineRx and Regeneron, the study is evaluating the combination of CXCR4 inhibitor motixafortide, PD-1 inhibitor cemiplimab, and standard of care chemotherapies gemcitabine and nab-paclitaxel, versus gemcitabine and nab-paclitaxel alone, in 108 patients. The trial's primary endpoint is progression free survival (PFS). Secondary objectives include safety, response rate, disease control rate, duration of clinical benefit and overall survival.

About Pancreatic Cancer
Pancreatic cancer has a low rate of early diagnosis and a poor prognosis. In the United States in 2024, an estimated 66,000 adults will be diagnosed with the disease, which accounts for approximately 3% of all cancers in the U.S. and about 7% of all cancer deaths.1 Worldwide, an estimated 496,000 people were diagnosed with the disease in 2020. In the U.S., if the cancer is detected at an early stage when surgical removal of the tumor is possible, the 5-year relative survival rate is 44%. About 12% of people are initially diagnosed at this stage. If the cancer has spread to surrounding tissues or organs, the 5-year relative survival rate is 15%. For the 52% of patients who are initially diagnosed with metastatic cancer, the 5-year relative survival rate is 3%.2 In particular, hepatic (liver) metastases are a critical risk factor driving poor prognoses for patients with metastatic PDAC. These data highlight the need for the development of new therapeutic options.

About Motixafortide in Cancer Immunotherapy
Motixafortide inhibits CXCR4, a chemokine receptor and a well validated therapeutic target that is over-expressed in many human cancers including pancreatic ductal adenocarcinoma (PDAC). Motixafortide leverages the expression of the CXCR4 receptor on different immune cells and potentiates the immune system against the tumor. Among CXCR4-expressing immune cells, some exhibit anti-tumoral activity, such as effector T cells and some exhibit pro-tumoral activity and support tumor growth. By blocking the CXCR4 receptor, motixafortide was shown in a Phase 2 study in pancreatic cancer patients to enhance anti-tumoral activity and to ameliorate the pro-tumoral activities by modulating the effector/suppressor cell ratio towards a proinflammatory profile.