|Indication:||Solid tumors, malignant and non-malignant hematological indications|
|Mode of action:||CXCR4 antagonism|
|Stage of development:||Phase 2|
|Patent status:||Over 10 patent families cover the BL-8040 composition and methods of use thereof|
BL-8040 is a novel, short peptide that functions as a high-affinity antagonist for CXCR4, which BioLineRx is developing for the treatment of solid tumors, acute myeloid leukemia, or AML, and stem-cell mobilization for bone-marrow transplantation.
In January 2016, BioLineRx entered into a collaboration with MSD, known as Merck in the U.S. and Canada, in the field of cancer immunotherapy. Based on this collaboration, in September 2016 BioLineRx initiated a Phase 2a study, known as the COMBAT study, focusing on evaluating the safety and efficacy of BL-8040 in combination with KEYTRUDA® (pembrolizumab), MSD’s anti-PD-1 therapy, in up to 30 patients with metastatic pancreatic adenocarcinoma. The study is an open-label, multicenter, single-arm trial designed to evaluate the clinical response, safety and tolerability of the combination of these therapies as well as multiple pharmacodynamic parameters, including the ability to improve infiltration of T cells into the tumor and their reactivity. Partial results will be presented at the 2018 ASCO Gastrointestinal Cancers Symposium (ASCO GI) in January 2018, with top-line results expected in the second half of 2018.
In August 2016, in the framework of an agreement with MD Anderson Cancer Center, BioLineRx entered into an additional collaboration for the investigation of BL-8040 in combination with KEYTRUDA in pancreatic cancer. The focus of this study, in addition to assessing clinical response, is the mechanism-of-action by which both drugs might synergize, as well as multiple assessments to evaluate the biological anti-tumor effects induced by the combination. BioLineRx is supplying BL-8040 for this Phase 2b study, which commenced in January 2017. Data from this study will be presented at the 2018 ASCO GI in January 2018.
In September 2016, BioLineRx entered into a collaboration with Genentech, Inc., a member of the Roche Group, in the framework of which both companies would carry out Phase 1b/2 studies investigating BL-8040 in combination with atezolizumab (TECENTRIQ®), Genentech’s anti-PDL1 cancer immunotherapy, in various solid tumors and hematologic malignancies. Genentech commenced a Phase 1b/2 study for the treatment of pancreatic cancer in July 2017, as well as a Phase 1b/2 study in gastric cancer in October 2017. Genentech expects to commence an additional Phase 1b/2 study in lung cancer by early 2018. In September 2017, BioLineRx initiated a Phase 1b/2 study under this collaboration in acute myeloid leukemia (AML). These studies will evaluate the clinical response, safety and tolerability of the combination of these therapies, as well as multiple pharmacodynamic parameters.
During 2016, BioLineRx completed and reported on a Phase 2a proof-of-concept trial for the treatment of relapsed or refractory acute myeloid leukemia (r/r AML) which was conducted on 42 patients at six world-leading cancer research centers in the U.S. and at five premier sites in Israel. The study included both a dose-escalation and a dose-expansion phase. At the annual meetings of SOHO and ASH in September and December 2016, respectively, BioLineRx presented detailed, positive safety and response rate data relating to the study. BioLineRx continues to monitor long-term survival data for patients in the dose expansion phase of the study.
BioLineRx is currently investigating BL-8040 as a consolidation treatment together with cytarabine (the current standard of care) for AML patients who have responded to standard induction treatment and are in complete remission and, in this regard, are running a significant Phase 2b trial in Germany, in collaboration with the German Study Alliance Leukemia Group. The Phase 2b trial is a double-blind, placebo-controlled, randomized, multi-center study aimed at assessing the efficacy of BL-8040 in addition to standard consolidation therapy in AML patients. Up to 194 patients will be enrolled in the trial. The primary endpoint of the study is to compare the relapse-free survival (RFS) time in AML subjects in their first remission during a minimum follow-up time of 18 months after randomization. BioLineRx is considering carrying out an interim analysis on this study in the second half of 2018, with top-line results expected in 2020.
In March 2015, BioLineRx reported successful top-line safety and efficacy results from a Phase 1 safety and efficacy trial for the use of BL-8040 as a novel stem-cell mobilization treatment for allogeneic bone marrow transplantation at Hadassah Medical Center in Jerusalem.
In March 2016, BioLineRx initiated a Phase 2 trial for BL-8040 for allogeneic stem-cell transplantation, conducted in collaboration with the Washington University School of Medicine, Division of Oncology and Hematology. Initial results of this study announced in March 2017 show that a single injection of BL-8040 mobilized sufficient amounts of cells required for transplantation at a level of efficacy similar to that achieved by using 4-6 injections of G-CSF, the current standard of care. Topline results of this study are now expected in mid-2018, as a result of certain delays in study recruitment in connection with the addition of two sites to the study and the regulatory filings associated therewith.
In August 2017, following a successful meeting with the FDA, BioLineRx announced the filing of regulatory submissions required to commence a randomized, controlled Phase 3 registrational trial of BL-8040 for the mobilization of hematopoietic stem cells, or HSCs, for autologous transplantation in patients with multiple myeloma. The trial is expected to commence by the end of 2017.
In November 2017, BioLineRx disclosed preclinical data supporting BL-8040 as robust mobilizer of hematopoietic stem cells, or HSCs, associated with long-term engraftment. The data will be presented as an oral presentation at the 59th American Society of Hematology (ASH) Annual Meeting and Exhibition in Atlanta, GA, taking place in December 2017.
In addition to the above, BioLineRx is currently conducting, or planning to conduct, a number of investigator-initiated, open-label studies in a variety of indications, to support the interest of the scientific and medical communities in exploring additional uses for BL-8040. These studies serve to further elucidate the mechanism of action for BL-8040.
In September 2013, the FDA granted an Orphan Drug Designation to BL-8040 as a therapeutic for the treatment of AML; and in January 2014, the FDA granted an Orphan Drug Designation to BL-8040 as a treatment for stem cell mobilization. In January 2015, the FDA modified this Orphan Drug Designation for BL-8040 for use either as a single agent or in combination with G-CSF.
In vitro and in vivo data show that BL-8040 binds to CXCR4 at the low nanomolar range (1-10nM) and occupies it for prolonged periods of time (>24h). Characterization of the CXCR4 antagonism action of BL-8040 in comparison to other CXCR4 antagonists revealed that, unlike other compounds from the same class, BL-8040 acts as an antagonist as well as an inverse agonist. This activity leads to decreased autonomous signaling of CXCR4 and suggests activity against constitutively active variants.
BL-8040 inhibits the growth of various tumor types including multiple myeloma, non-Hodgkin’s lymphoma, leukemia, non-small cell lung carcinoma, neuroblastoma and melanoma. BL-8040 significantly and preferentially stimulated apoptotic cell death of malignant cells (multiple myeloma, non-Hodgkin’s lymphoma and leukemias). Significant synergistic and/or additive tumor cell killing activity has been observed in-vitro and in-vivo when tumor cells were treated with BL-8040 together with Rituximab, Bortezomib, Imatinib, Cytarbine, BCL-2 inhibitor ABT-199 and the FLT-3 inhibitor AC-220 (in NHL, MM, CML, AML, and AML-FLT3-ITD models, respectively). BL-8040 also mobilizes cancer cells as well as neutrophils and progenitor cells from the bone marrow to the peripheral blood.
The U.S. Food & Drug Administration (FDA) has granted an Orphan Drug Designation to BL-8040 as a therapeutic for the treatment of AML as well as for stem cell mobilization
BL-8040 is being developed by BioLineRx under a worldwide, exclusive license from Biokine Therapeutics.
For more information: info@BioLineRx.com