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SHANGHAI, Nov. 8, 2024 /PRNewswire/ -- Mabwell (688062.SH), an innovative biopharmaceutical company with entire industry chain, showcased the "Preclinical Development of 7MW4811, an Mtoxin™ (MF6)-based Antibody-drug Conjugate for the Treatment of Solid Tumors" as a poster presentation at the 15th World ADC San Diego, held from Nov. 4 to 7, 2024. The post revealed compelling data from the studies on the efficacy of 7MW4811 in treating solid tumors. 7MW4811 is developed with Mabwell's next-generation ADC technology (IDDC™) platform, and has demonstrated encouraging anti-tumor effects across a range of solid tumors, including lung, colorectal, pancreatic and gastric cancers. Notably, it has shown promising therapeutic potentials in gastrointestinal tumors. IDDC™ is a clinically validated site-specific conjugation technology that has been instrumental in the development of ADCs with good homogeneity, efficacy, and safety profiles. Coupled with the novel payload Mtoxin™ (MF6), these ADCs have been furthered optimized, exhibiting enhanced pharmacodynamics, bystander killing efficacy, and anti-multidrug resistance capabilities. About Mabwell Mabwell (688062.SH) is an innovation-driven biopharmaceutical company with the entire value chain of the pharmaceutical industry. We provide more effective and accessible therapy and innovative medicines to fulfill global medical needs. Since 2017, an advanced R&D system which covers target discovery, early discovery, druggability, preclinical, clinical research and manufacturing transformation was established. Mabwell has 15 pipeline products in different stages based on a world-class and state-of-the-art R&D engine, including 11 novel drug candidates and 4 biosimilars. We focus on the therapeutic areas of oncology, immunology, bone disorders, ophthalmology, hematology and infectious diseases, etc. Of these, 3 products have been approved and commercialized, 1 product has been filed for MA, 3 products are in pivotal trials. We have also undertaken 1 national major scientific and technological special project for "Significant New Drugs Development", 2 projects for National Key R&D Programmes, and multiple provincial and municipal science and technological innovation projects. Mabwell's Taizhou factory possesses robust in-house manufacturing capability compliant with international GMP standards regulated by the NMPA, FDA and EMA, and has passed the EU QP Audit. The large-scale manufacturing base in Shanghai and the ADC commercialized manufacturing base in Taizhou are under construction. Our mission is "Explore Life, Benefit Health" and our vision is "Innovation, from ideas to reality". For more information, please visit www.mabwell.com/en. Forward-Looking Statements This press release contains forward-looking statements including, but not limited to, the potential safety, efficacy, regulatory review or approval and commercial success of our product candidates and those relating to the Company's product development, clinical studies, clinical and regulatory milestones and timelines, market opportunity, competitive position, possible or assumed future results of operations, business strategies, potential growth opportunities and other statements that are predictive in nature. "Forward-looking statements" are statements that are not historical facts and involve a number of risks and uncertainties, which may cause actual results to be materially different from any future results expressed or implied in the forward-looking statements. These statements may be identified by the use of forward-looking expressions, including, but not limited to, "expect," "anticipate," "intend," "plan," "believe," "estimate," "potential," "predict," "project," "should," "would," and similar expressions and the negatives of those terms. Forward-looking statements are based on the Company's current expectations and assumptions. Forward-looking statements are subject to a number of risks, uncertainties, and other factors, many of which are beyond the Company's control, including, but not limited to: environment; politic; economy; society; legislation; our dependence on our product candidates, most of which are still in preclinical or various stages of clinical development; our reliance on third-party vendors, such as contract research organizations and contract manufacturing organizations; the uncertainties inherent in clinical testing; our ability to complete required clinical trials for our product candidates and obtain approval from regulatory authorities for our product candidates; our ability to protect our intellectual property; the potential impact of COVID-19; the loss of any executive officers or key personnel. In case one or more of these risks or uncertainties deteriorate, or any assumptions are incorrect, the actual results may be seriously inconsistent with the stated results. The Company cautions all the persons not to place undue reliance on any such forward-looking statements, which speaks only as of the date of this press release. The Company disclaims any obligation, except as specifically required by law and the rules of the applicable Stock authority to publicly update or revise any such statements to reflect any change in expectations or in events, conditions, or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements. All forward-looking descriptions, figures and assumptions in this press release are applicable to this statement.
National Comprehensive Cancer Network overhauls two major resources to help cancer care providers and other stakeholders stay current on cutting edge research into genetic/familial high-risk assessment. PLYMOUTH MEETING, Pa., Nov. 7, 2024 /PRNewswire/ -- The National Comprehensive Cancer Network® (NCCN®)—an alliance of leading cancer centers focusing on maintaining evidence-based expert consensus driven guidelines for care—announces the publication of the expanded NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) for Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate. This closely follows the recent publication of the expanded NCCN Guidelines® for Genetic/Familial High-Risk Assessment: Colorectal, Endometrial, and Gastric. NCCN announces publication of the expanded NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) for Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate. This closely follows the recent publication of the expanded NCCN Guidelines® for Genetic/Familial High-Risk Assessment: Colorectal, Endometrial, and Gastric. Available at NCCN.org. Additional cancer types were added to the title and content for both guidelines. These updates account for the growing use of genetic testing in cancer prevention, screening, and treatment. "These expanded guidelines reflect the recommendations from leading experts on genetic testing based on the latest scientific research across the cancer spectrum, consolidated into two convenient resources," explained Crystal S. Denlinger, MD, Chief Executive Officer, NCCN. "This information is critical for guiding shared decision-making between health care providers and their patients, enhancing screening practices as appropriate, and potentially choosing options for prevention and targeted treatment choices. Genetic testing guidelines enable us to better care for people with cancer and their family members." The NCCN Guidelines include information on when genetic testing is recommended, and which type of testing may be best. They detail which hereditary conditions and genetic mutations are associated with elevated cancer risk and include follow-up on what to do for people who have them. Those next steps can include instructions for increased screening, or even preventive surgeries or other interventions. "NCCN has played a major role in the field by creating guideline panels specifically devoted to the genetics of major cancers, and by developing scientifically based guidelines to help providers offer the best genetic-based care to their patients," said Mary B. Daly, MD, PhD, FACP, Fox Chase Cancer Center, Chair of the NCCN Guidelines Panel for Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate. "These guideline panels are continuously active and engaged, constantly responding to new evidence as it becomes available to provide the most up-to-date information to NCCN Guidelines users. These updates include the spectrum of genes associated with genetic syndromes, the range of risk associated with each pathogenic variant, the improvements in screening and prevention strategies, the role of genetic data to inform cancer treatment, and the expansion of the role of genetic counseling as this field moves forward." "The recently updated NCCN Guidelines for Genetic/Familial High-Risk Assessment: Colorectal, Endometrial, and Gastric takes into account the latest published research and expert opinions from more than 30 experts on caring for individuals with risk for hereditary cancer," said Samir Gupta, MD, UC San Diego Moores Cancer Center, Chair of the NCCN Guidelines Panel for Genetic/Familial High-Risk Assessment: Colorectal, Endometrial, and Gastric. "For the first time, we feature enhanced recommendations for evaluation for endometrial and gastric cancer risk, including: 1) new recommendations for consideration for hereditary cancer screening for all individuals with newly diagnosed endometrial cancer; 2) new recommendations for evaluation and management of CDH1 associated gastric cancer risk; 3) de-implementation of intense colorectal cancer screening for individuals with CHEK2 pathogenic variants; and 4) enhanced recommendations for managing gastric cancer risk in patients with APC pathogenic variants." The NCCN Guidelines are the recognized standard for clinical recommendations and policy in cancer care and the most frequently updated clinical practice guidelines available in any area of medicine. There are 88 separate subject-specific guidelines, which are maintained by more than 1,900 subject matter experts from across the 33 NCCN Member Institutions. Panels may also include primary care physicians and patient advocates. The NCCN Guidelines are available free-of-charge for non-commercial use at NCCN.org or via the Virtual Library of NCCN Guidelines® App. About the National Comprehensive Cancer NetworkThe National Comprehensive Cancer Network® (NCCN®) is a not-for-profit alliance of leading cancer centers devoted to patient care, research, and education. NCCN is dedicated to improving and facilitating quality, effective, equitable, and accessible cancer care so all patients can live better lives. The NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) provide transparent, evidence-based, expert consensus recommendations for cancer treatment, prevention, and supportive services; they are the recognized standard for clinical direction and policy in cancer management and the most thorough and frequently-updated clinical practice guidelines available in any area of medicine. The NCCN Guidelines for Patients® provide expert cancer treatment information to inform and empower patients and caregivers, through support from the NCCN Foundation®. NCCN also advances continuing education, global initiatives, policy, and research collaboration and publication in oncology. Visit NCCN.org for more information. Media Contact: Rachel Darwin267-622-6624darwin@nccn.org
SHANGHAI, Nov. 6, 2024 /PRNewswire/ -- CARsgen Therapeutics Holdings Limited (Stock Code: 2171.HK), a company focused on innovative CAR T-cell therapies for the treatment of hematologic malignancies and solid tumors, announces that the Company will present the clinical data of zevorcabtagene autoleucel, CT071, and CT0590 as posters at the 66th Annual Congress of the American Society of Hematology ("ASH") which is due to take place between Dec 7 – 10, 2024. The abstracts are available on ASH official website. "CARsgen is advancing therapeutic options for hematologic malignancies with robust CAR T-cell pipeline, which includes the autologous CAR T-cell therapy zevor-cel, the single-day-culture CT071, and the allogeneic CAR T-cell candidate CT0590. These initiatives underscore CARsgen's strong commitment to innovation in hematology. Leveraging proprietary technology platforms such as CARcelerate® and THANK-uCAR®, CARsgen is focused on developing differentiated CAR T-cell therapies to address the critical challenges faced by the clinical community. We are excited to share new data and are confident in the potential of our CAR T-cell therapies to benefit patients worldwide," said Raffaele Baffa, M.D., Ph.D., Chief Medical Officer of CARsgen Therapeutics. Subgroup Analyses of Phase 2 Study: Evaluating the Efficacy of Fully Human BCMA-Targeting CAR T Cells (Zevorcabtagene Autoleucel) in Patients with Relapsed/Refractory Multiple Myeloma Publication Number: 4762Presentation Time: 6:00 PM - 8:00 PM, Monday, December 9, 2024 (PST) In 102 patients with RRMM who had received at least 3 prior lines of therapy including an immunomodulatory drug and a proteasome inhibitor, the objective response rate (ORR) was 92.2%, the stringent complete response (sCR) or complete response (CR) was 71.6%. The ORR or the CR/sCR rate was not affected by any of the baseline characteristics tested. With a median follow-up of 20.3 (range: 0.4 to 27) months, the median duration of response (DOR), progression-free survival (PFS), and overall survival (OS) data were not mature and therefore, 18-month (18m) and estimated 30-month (30m) event free rates were used as efficacy outcomes for subgroup analyses. The DOR, PFS and OS were not impacted by age or ISS. These subgroup analyses indicate that baseline characteristics have minimal impact on the clinical efficacy of zevorcabtagene autoleucel, demonstrating that even RRMM patients with poor prognostic factors can benefit from zevorcabtagene autoleucel. GPRC5D-Targeted CAR T-Cell Therapy CT071 for the Treatment of Refractory/Relapsed Multiple Myeloma Publication Number: 3451Presentation Time: 6:00 PM - 8:00 PM, Sunday, December 8, 2024 (PST) CT071 is a fully human GPRC5D-targeting autologous CAR T-cell product manufactured using an expedited CARcelerate® platform which shortens the manufacturing process to around 30 hours resulting in shorter vein-to-vein time. Patients with RRMM who had previously received ≥ 3 prior lines of therapy (LOT) or patients who experienced progression or lack of response having been treated with a proteasome inhibitor and an immunomodulatory agent or those who were double class-refractory, all with ECOG score of 0-2 were enrolled. In 17 patients who had been dosed with CT071, 11 patients (64.7%) experienced cytokine release syndrome (CRS), all at Grade 1 (n=8) or 2 (n=3). No immune effector cell-associated neurotoxicity syndrome (ICANS) was observed. No dose limiting toxicity (DLT) occurred. The overall response rate (ORR) was 94.1% (16/17), and the stringent complete response (sCR) rate was 52.9% (9/17). Notably, 7 patients achieved complete response or better at week 4. All 4 patients with previous exposure to BCMA or BCMA/CD19 CAR T responded to CT071 (2 with sCR and 2 with partial response). A First-in-Human Study of CT0590, a Triple Knock-out, Allogeneic CAR T-Cell Therapy Targeting BCMA and NKG2A, in Subjects with Relapsed/Refractory Multiple Myeloma Publication Number: 4843Presentation Time: 6:00 PM - 8:00 PM, Monday, December 9, 2024 (PST) CT0590 is an allogeneic dual CAR T-cell therapy deploying THANK-uCAR® technology that targets both BCMA and NKG2A (a membrane protein expressed in NK and T cells), featuring a triple knockout for TRAC/B2M/NKG2A which mitigates against graft-versus-host disease (GvHD), host immune rejection and fratricide. This is a first-in-human (FIH), open-label, single center, phase I study of CT0590 in subjects with RRMM to evaluate the safety, tolerability, pharmacokinetics and preliminary efficacy of CT0590 (NCT05066022). As of 22-Apr-2024, 5 subjects were enrolled (4 subjects with RRMM and 1 subject with primary plasma cell leukemia [pPCL] under compassionate use). No ≥ 3 grade cytokine release syndrome (CRS) was observed. No cases of immune effector cell-associated neurotoxicity syndrome (ICANS) or GvHD were observed. No dose limiting toxicities were reported and there were no withdrawal from the study or deaths due to adverse events. With a median follow-up time of 16.6 months (range: 5.1, 24.2), 3 subjects achieved confirmed responses including 2 subjects with stringent complete response (sCR) and 1 subject with partial response (PR). The 2 subjects with sCR include1 RRMM subject [sCR ongoing] with a DOR longer than 23 months as of data cut-off date and 1 pPCL subject with a duration of response (DOR) of 20 months. In the 2 subjects with sCR, CAR copies peaked at > 280,000 copies/µg genomic DNA. Preliminary results of this FIH study of the CT0590 allogeneic CAR T-cell therapy demonstrated a manageable safety profile while achieving deep and durable clinical responses. About Zevorcabtagene Autoleucel Zevorcabtagene autoleucel is a fully human, autologous BCMA CAR T-cell product for the treatment of Multiple Myeloma (MM). Zevorcabtagene autoleucel was approved by the NMPA on February 23, 2024 for the treatment of adult patients with R/R MM who have progressed after at least 3 prior lines of therapy (including a proteasome inhibitor and an immunomodulatory agent). CARsgen is conducting a separate Phase 1b/2 LUMMICAR STUDY 2 clinical trial in North America to evaluate the safety and efficacy of zevorcabtagene autoleucel in R/R MM. Zevorcabtagene autoleucel received Regenerative Medicine Advanced Therapy (RMAT) and Orphan Drug designations from the U.S. FDA in 2019, as well as Priority Medicines (PRIME) and Orphan Medicinal Product designations from the European Medicines Agency (EMA) in 2019 and 2020, respectively. About CT071 CT071 is a CAR T-cell therapy candidate developed utilizing the proprietary CARcelerate® platform of CARsgen targeting GPRC5D for the treatment of relapsed/refractory MM or relapsed/refractory plasma cell leukemia (PCL). An IIT (NCT05838131) is ongoing in China to evaluate the preliminary safety and efficacy of CT071 for the treatment of patients with relapsed/refractory multiple myeloma or plasma cell leukemia. A separate investigator-initiated trial (NCT06407947) is ongoing in China for the treatment of patients with newly diagnosed multiple myeloma (NDMM). About CT0590 CT0590 is a BCMA-targeting allogeneic CAR T-cell product candidate deploying CARsgen's THANK-uCAR® technology. An IIT is ongoing in China to evaluate the preliminary safety and efficacy of CT0590 for the treatment of R/R MM. About CARsgen Therapeutics Holdings Limited CARsgen is a biopharmaceutical company with operations in China and the U.S., focusing on innovative CAR T-cell therapies for the treatment of hematologic malignancies and solid tumors. CARsgen has established a comprehensive CAR T-cell research and development platform that covers target discovery, innovative CAR T-cell development, clinical trials, and commercial-scale production. Internally, CARsgen has developed novel technologies and a product pipeline with global rights to address significant challenges faced by existing CAR T-cell therapies. Efforts include improving safety profile, enhancing the efficacy in treating solid tumors, and reducing treatment costs. CARsgen's mission is to become a global biopharmaceutical leader that provides innovative and differentiated cell therapies for cancer patients worldwide and makes cancer curable. Forward-looking Statements All statements in this press release that are not historical fact or that do not relate to present facts or current conditions are forward-looking statements. Such forward-looking statements express the Group's current views, projections, beliefs and expectations with respect to future events as of the date of this press release. Such forward-looking statements are based on a number of assumptions and factors beyond the Group's control. As a result, they are subject to significant risks and uncertainties, and actual events or results may differ materially from these forward-looking statements and the forward-looking events discussed in this press release might not occur. Such risks and uncertainties include, but are not limited to, those detailed under the heading "Principal Risks and Uncertainties" in our most recent annual report and interim report and other announcements and reports made available on our corporate website, https://www.carsgen.com. No representation or warranty is given as to the achievement or reasonableness of, and no reliance should be placed on, any projections, targets, estimates or forecasts contained in this press release. For more information, please visit https://www.carsgen.com/
SHANGHAI, Nov. 6, 2024 /PRNewswire/ -- Minghui Pharmaceutical, Inc., a late-stage biopharmaceutical company focused on developing transformative medicines in immunology and oncology, today announced initial results from its Phase I clinical trial of MHB039A, a novel PD-1 x VEGF bispecific antibody, in patients with relapsed/refractory solid tumors. The primary objectives of the trial are to evaluate safety and determine the recommended Phase 2 dose (RP2D). Secondary objectives include characterizing pharmacokinetics, pharmacodynamics, and preliminary antitumor activity. The study included a heavily pretreated patient population, with a median of three prior lines of therapy. Robust PD-1 receptor occupancy and circulating VEGF biomarker responses were observed across all dose levels. The 20 mg/kg Q3W regimen demonstrated substantial and sustained inhibition of both PD-1 and VEGF. Tumor volume reduction was noted in patients with sqNSCLC and non-sq NSCLC without actionable genomic alterations (AGA) who had previously received PD-1 inhibitors and chemotherapy, as well as in NSCLC patients with EGFR mutations who had relapsed following third-generation TKI therapy. MHB039A was well tolerated at doses up to 20 mg/kg. The maximum tolerated dose (MTD) was not reached, and no dose-limiting toxicities were observed. The overall safety profile was consistent with findings from previously reported clinical studies on the PD-1 x VEGF bispecific antibody. "We are highly encouraged by the initial clinical results from this phase I study," said Guoqing Cao, Ph.D., Chief Executive Officer at Minghui Pharmaceutical. "MHB039A has demonstrated a favorable safety profile and promising anti-tumor activity in heavily pretreated patients with relapsed/refractory solid tumors. As a PD-1 x VEGF bispecific antibody, it integrates two broad-spectrum anti-tumor mechanisms within a single agent. Importantly, this bispecific antibody offers more than an additive effect, with enhanced anti-tumor activity and significantly improved safety reported in recent clinical studies, indicating its potential to serve as a next-generation immunotherapy backbone." "The phase I dose escalation study has been completed." Dr. Cao added, "Given the overall profile of MHB039A, it is well-suited for development in combination with other therapies, such as chemotherapy, ADCs, small molecule, vaccines, and T cell engagers. We are looking forward to exploring strategic partnerships to facilitate this development." About MHB039A MHB039A, developed by Minghui Pharmaceutical, is a novel bispecific antibody targeting PD-1 and VEGF. It demonstrated full blocking activities against both PD-1 and VEGF with superior PD-1 activity compared to competitor antibodies. The unique molecular design enhances druggability and physicochemical properties, offering high protein yield and great stability. As a next-generation immunotherapy backbone, MHB039A can be combined with various treatment modalities—including immuno-oncology agents, small molecule inhibitors, antibody-drug conjugates, vaccines, and T cell engagers—broadening its potential in solid tumor treatment. About Minghui Pharmaceutical Inc. Minghui Pharmaceutical, established in 2018, is a late-stage biopharmaceutical company committed to developing innovative therapies for unmet medical needs in oncology and autoimmune diseases. Leveraging expertise in medical science and proprietary technology platforms, the company is advancing a robust clinical-stage pipeline that features a range of first-in-class or best-in-class product candidates. For more information, please visit www.minghuipharma.com. Forward-Looking Statements This press release provided by Minghui Pharmaceutical Inc. (the "Company") contains forward-looking statements within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995, which may be accompanied by such words as "aim," "anticipate," "believe," "could," "estimate," "expect," "forecast," "intend," "may," "plan," "potential," "possible," "predict," "should," "will," "would" or words of similar meaning. These statements are based on the Company's current beliefs and expectations and subject to risks and uncertainties that may cause actual results to differ materially from those set forth in the statements herein. Risks and uncertainties include but not limited to: general industry conditions and competition; changes in economic and financial conditions of the Company's and the collaborators' businesses; the risk that clinical trials are discontinued or delayed for any reasons, including for efficacy, safety, enrollment, or manufacturing; the risk that success in early stage clinical trials may not be predictive of results in later stage trials or trials of other potential indications; the risk that positive results in a clinical trial may not be replicated in subsequent or confirmatory trials; expectations for regulatory approvals; challenges to obtain, maintain and enforce patents and other intellectual property protection for the Company's product(s) and product candidate(s). These forward-looking statements speak only as of the date of this press release, and the Company undertakes no obligation to update or revise any forward-looking statements to reflect new information, future events, or circumstances, except as required by law.
ROCKVILLE, Md. and SUZHOU, China, Nov. 6, 2024 /PRNewswire/ -- Ascentage Pharma (6855.HK), a global biopharmaceutical company engaged in discovering, developing, and commercializing therapies to address global unmet medical needs primarily for malignancies, today announced that the latest results from three clinical studies of one of the company's key drug candidate, lisaftoclax (APG-2575), have been selected for presentations, including an Oral Report, at the 66th American Society of Hematology (ASH) Annual Meeting. This is the third consecutive year in which clinical results on lisaftoclax have been selected by the ASH Annual Meeting. In 2024, results from multiple clinical and preclinical studies on four of the company's investigational drug candidates (olverembatinib, lisaftoclax, APG-2449, and APG-5918) have been selected for presentations, including two Oral Reports, at the ASH Annual Meeting. Developed by Ascentage Pharma, lisaftoclax is a novel orally available Bcl-2 inhibitor with clinical benefits for an array of hematologic malignancies and solid tumors. At this year's ASH Annual Meeting, Ascentage Pharma will present an Oral Report featuring the latest results from a Phase I/II study of lisaftoclax in patients with relapsed/refractory multiple myeloma (R/R MM) or immunoglobulin light-chain (AL) amyloidosis. Furthermore, the latest data of lisaftoclax combinations in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and myelodysplastic syndrome (MDS) will also be released in Poster Presentations at the meeting. The ASH Annual Meeting is one of the largest gatherings of the international hematology community, aggregating the latest scientific research in the pathogenesis and clinical treatment of hematologic diseases. The 66th ASH Annual Meeting will take place on December 7-10, 2024, local time, both online and in-person in San Diego, CA (United States). "Lisaftoclax is the first Bcl-2 inhibitor in China and the second globally that has demonstrated clinical benefits and entered pivotal registrational studies," said Dr. Yifan Zhai, Chief Medical Officer of Ascentage Pharma. "Currently, the drug candidate is being evaluated in four registrational Phase III studies. For the clinical results of lisaftoclax to be once again selected by the ASH meeting, it underscores the clinical benefit of this drug in hematologic malignancies. Furthermore, multiple studies of four of our investigational drug candidates have been selected for presentations at the meeting this year, highlighting Ascentage Pharma's robust capabilities in global innovation and investigational clinical development. We are eager to share detailed data at the event. Moving forward, we will continue to accelerate our clinical development programs in efforts to bring more treatment options to patients as soon as possible." An overview of presentations featuring Ascentage Pharma's drug candidates at ASH 2024: Format Drug Candidate Abstract title Abstract# Oral Presentation Olverembatinib (HQP1351) Olverembatinib as Second-Line (2L) Therapy in Patients (pts) with Chronic Phase-Chronic Myeloid Leukemia (CP-CML) 480 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575) Combined with Novel Therapeutic Regimens in Patients (pts) with Relapsed or Refractory Multiple Myeloma (R/R MM) or Immunoglobulin Light-Chain (AL) Amyloidosis 1022 Poster Presentation Olverembatinib (HQP1351) Olverembatinib (HQP1351) Overcomes Resistance/Intolerance to Asciminib and Ponatinib in Patients (pts) with Heavily Pretreated Chronic-Phase Chronic Myeloid Leukemia (CP CML): A 1.5-Year Follow-up Update with Comprehensive Exposure-Response (E-R) Analyses 3151 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575) Demonstrates Activity and Safety When Given with Accelerated Ramp-up and then Combined with Acalabrutinib or Rituximab in Patients (pts) with Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), Including Those with Prior Exposure to Venetoclax 4614 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575), a Novel BCL-2 Inhibitor, in Combination with Azacitidine in Treatment of Patients with Myelodysplastic Syndrome (MDS) 3202 Olverembatinib + Lisaftoclax Safety and Efficacy of Olverembatinib (HQP1351) Combined with Lisaftoclax (APG-2575) in Children and Adolescents with Relapsed/Refractory Philadelphia Chromosome–Positive Acute Lymphoblastic Leukemia (R/R Ph+ ALL): First Report from a Phase 1 Study 1443 Olverembatinib (HQP1351) A Phase 2 Study of Olverembatinib for the Treatment of Myeloid/Lymphoid Neoplasms with FGFR1 Rearrangement 1781 Olverembatinib (HQP1351) Olverembatinib 30 Mg Versus 40 Mg Every Other Day (QOD) in Patients with Tyrosine Kinase Inhibitor (TKI) Resistant or Intolerant Chronic-Phase Chronic Myeloid Leukemia (CML-CP): A Multi-Center Propensity Score-Matched Analysis 4529 Olverembatinib (HQP1351) Combination of Olverembatinib and VP Regimen for Newly Diagnosed Adult Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia 1449 Olverembatinib (HQP1351) Olverembatinib-Therapy in Patients with Accelerated-Phase Chronic Myeloid Leukaemia: A Multi-Centre Retrospective Study from China 1767 Olverembatinib (HQP1351) Olverembatinib-Based Therapy in Patients with Philadelphia Chromosome-Positive Acute Leukemia: A Multi-Centre Retrospective Study from China 4528 Lisaftoclax + APG-2449 APG-2449, a Novel Focal Adhesion Kinase (FAK) Inhibitor, Exhibits Antileukemic Activity and Enhances Lisaftoclax (APG-2575)-Induced Apoptosis in Acute Myeloid Leukemia (AML) 4150 APG-5918 Embryonic Ectoderm Development (EED) Inhibitor APG-5918 Demonstrates Robust Antitumor Activity in Preclinical Models of T-Cell Lymphomas (TCLs) 1415 Abstract only Olverembatinib + Lisaftoclax Olverembatinib (HQP1351) in Combination with Lisaftoclax Overcomes Venetoclax Resistance in Preclinical Model of Acute Myeloid Leukemia (AML) 5777 Abstracts on lisaftoclax selected for presentations at the 2024 ASH Annual Meeting are as follows: (for details on the abstracts featuring olverembatinib, please refer to a separate press release published at the same time) Oral Presentation Lisaftoclax (APG-2575) Combined with Novel Therapeutic Regimens in Patients (pts) with Relapsed or Refractory Multiple Myeloma (R/R MM) or Immunoglobulin Light- Chain (AL) Amyloidosis Format: Oral Presentation Abstract#: 1022 Session: 654. Multiple Myeloma: Pharmacologic Therapies: Into the Future: New Drugs and Combinations in Multiple Myeloma Time: Monday, December 9, 2024, 4:45 PM First Author: Dr. Sikander Ailawadhi, Mayo Clinic, Jacksonville, FL Highlights: Background: MM is characterized by the proliferation of abnormal clonal plasma cells, causing destructive bone lesions, kidney injury, anemia, and hypercalcemia. The treatment of MM involves immunomodulatory agents, proteasome inhibitors, and anti-CD38 monoclonal antibodies to achieve disease remission. AL amyloidosis comprises disorders of abnormal extracellular deposition of misfolded proteins in various organs with resultant damage, and the key strategy of treatment is to prolong the time to or reverse organ dysfunction. However, many patients will relapse from the standard triplet or quadruplet therapies, necessitating additional treatments with novel mechanisms of action. Lisaftoclax is a novel investigational Bcl-2 inhibitor that has shown strong antitumor activity in earlier studies. This presentation reports clinical trial data on lisaftoclax combined with novel therapeutic regimens in patients with R/R MM or R/R AL amyloidosis. Introduction: This is a multicenter, open-label Phase I/II study. Enrolled Patients and Study Methods: Eligible patients had an ECOG performance status ≤ 2, ≥ 1 prior line of therapy, and adequate organ function. Patients with R/R AL amyloidosis had confirmed symptomatic organ involvement. Lisaftoclax was administered orally daily in repeated 28-day cycles. Pomalidomide, daratumumab, and lenalidomide were administered per label use. Dexamethasone 40 mg (20 mg, patients > 75 years old) was administered on days 1, 8, 15, and 22 of 28-day cycles. This study evaluated the safety and efficacy of lisaftoclax combined with pomalidomide and dexamethasone (Pd; Arm A) or daratumumab, lenalidomide, and dexamethasone (DRd; Arm B) in R/R MM, and lisaftoclax combined with the Pd regimen in R/R AL amyloidosis (Arm C). As of May 29, 2024, 52 patients were enrolled, including 42 with R/R MM and 10 with AL amyloidosis. The median (range) age of all patients was 69.5 (24-88) years, of whom 63.5% were male and 63.5% were ≥ 65 years of age. The enrolled patients were heavily pretreated, with a median (range) number of prior therapy lines of 3 (1-19). In Arm A (n=35), lisaftoclax was administered orally at dose assigned: 400 mg (n=3); 600 mg (n=4); 800 mg (n=15); 1,000 mg (n=7); and 1,200 mg (n=6). In Arm B (n=7), all patients were treated with lisaftoclax 600 mg. In Arm C (n=10), lisaftoclax was administered at 400 mg (n=1); 600 mg (n=4); 800 mg (n=3); and 1,000 mg (n=2). Efficacy Results: In Arm A, out of 31 evaluable patients, 3 (9.7%) achieved complete remission (CR), 7 (22.6%) reached very good partial remission (VGPR), and 9 (29.0%) achieved partial response (PR). The overall response rate (ORR) was 61.3% (n=19), and 10 (32.3%) achieved≥VGPR. In Arm B, of 4 evaluable patients, 2 (50%) achieved CR and 2 (50%) achieved ≥ VGPR. In Arm C, of 7 assessed patients, 1 (14.3%) achieved CR, 4 (57.1%) achieved VGPR, 1 (14.3%) achieved PR, and 5 (71.4%) achieved ≥ VGPR, for an ORR of 6 (85.7%); 2 patients had cardiac responses. Safety Results: Among 49 patients in the safety population, 34 (69.4%) reported any-grade lisaftoclax treatment-related AEs (TRAEs; ≥ 5% incidence), including neutropenia (20.4%), thrombocytopenia (6.1%), leukopenia (10.2%), nausea (16.3%), abdominal distension (10.2%), diarrhea (12.2%), and constipation (8.2%). A total of 11 patients experienced grade ≥ 3 TRAEs, including neutropenia (14.3%) and febrile neutropenia (2%), and 3 patients experienced lisaftoclax-related serious AEs (1 each): febrile neutropenia, acute kidney injury, and diarrhea with electrolyte imbalance. In Arm B, 1 pt experienced a dose-limiting toxicity (prolonged QT interval). Pharmacokinetic analyses showed no drug-drug interaction (DDI) in all patients treated with lisaftoclax at all doses in combination with other therapeutic agents used in 3 arms. Conclusions: These findings suggest that lisaftoclax improves the depth of response in patients with R/R MM or AL amyloidosis when combined with Pd or DRd. These combination therapies demonstrated a favorable safety profile with no DDIs, particularly in hematologic side effects. Poster Presentations Lisaftoclax (APG-2575) Demonstrates Activity and Safety When Given With Accelerated Ramp-up and Then Combined With Acalabrutinib or Rituximab in Patients (pts) With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), Including Those With Prior Exposure to Venetoclax Format: Poster Presentation Abstract#: 4614 Session: 642. Chronic Lymphocytic Leukemia: Clinical and Epidemiological: Poster III Time: Monday, December 9, 2024; 6:00 PM - 8:00 PM First Author: Dr. Matthew Davids, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA Highlights: Background: Bcl-2 inhibition with venetoclax (ven) was a major advance in CLL treatment, but the 5-week dose ramp-up to mitigate the risk of tumor lysis syndrome (TLS) and DDIs challenge treatment optimization. Lisaftoclax is an investigational, oral Bcl-2i with a short half-life, allowing it to be ramped-up on a daily schedule. Introduction: This poster presents updated clinical data of lisaftoclax alone or combined with acalabrutinib or rituximab in patients with treatment-naïve (TN; lisaftoclax-acalabrutinib arm), relapsed/refractory, or prior ven-treated CLL/SLL. Enrolled Patients and Study Methods: From March 20, 2020, to June 27, 2024, 176 patients were enrolled: 46 in monotherapy and 39 and 91 in the rituximab and acalabrutinib combination cohorts, respectively; 87.5% (154/176) of patients were R/R and 12.5% (22/176) were TN. The median (range) age was 63 (34-80) years; 67% were male; 25.6% had del(17p) and/or TP53 mutation; and 70.6% had unmutated IGHV. Median (range) duration of treatment with lisaftoclax was 16.5 (1-54; monotherapy), 24 (3-39; rituximab), and 27 (1-43; acalabrutinib) months. In R/R patients, the median (range) number of prior lines of therapy was 2 (1-15), and 14 (9%) patients had been treated with ven. Patients who had received prior treatment with ven had a median (range) age of 65 (51-78); and 79% were male. Of evaluable patients, 50% had del(17p), 36% had TP53 mut, 64% had del(11q), 38% had complex karyotype (≥ 3 abnormalities), and 92% had unmutated IGHV; 57% were BTKi naïve; and the median (range) number of prior therapies was 3 (1-6). Patients were treated with a rapid 4- to 6-day daily ramp-up of lisaftoclax from 20 mg to a target dose of 400, 600, or 800 mg, receiving daily oral lisaftoclax alone or, plus continuous acalabrutinib or 6 cycles of rituximab in 28-day cycles, starting on Cycle 1 Day 8 (C1D8) until disease progression, complete response by C24, or unacceptable toxicity. Blood samples were collected for pharmacokinetic (PK) and exposure-response (E-R) analyses. Efficacy Results: The ORR for lisaftoclax plus acalabrutinib in 87 patients was 96.6%, and the median duration of response (DOR; 95% CI, 23-NR) and median progression-free survival (PFS; 95% CI, 34-NR) were not reached. The 12- and 18-month PFS rates were 89% and 86%, respectively. Fourteen R/R CLL ven-exposed patients received lisaftoclax plus acalabrutinib: of whom 9 had progressed on ven, 3 relapsed after completing ven, and 2 discontinued due to ven intolerance. Median (range) duration of treatment was 16 (3-25) months. Safety profile was similar to that of other study cohorts. ORR was 85.7% (12/14) in the ven-exposed patients; ORR was 100% (8/8) in the ven-exposed but BTKi-naïve patients; ORR was 66.7% (4/6) in the ven- and BTKi-exposed patients; The median DOR and PFS were not reached. The 12- and 18-month PFS rates were 84% and 73%, respectively. Safety Results: Incidence and severity of TEAEs were similar across cohorts. Common (>10%) any-grade TEAEs in all cohorts combined were neutropenia (59 [33.5%]), diarrhea (38 [21.6%]), anemia (27 [15.3%]), and thrombocytopenia (26 [14.8%]). Grade ≥ 3 treatment-emergent AEs (TEAEs) were neutropenia in 15 (32.6%), 10 (25.6%), and 22 (24%) patients and anemia in 10 (21.7%), 5 (12.8%), and 12 (13.2%) patients in monotherapy, rituximab, and acalabrutinib combination cohorts, respectively. Comprehensive E-R analyses indicated that lisaftoclax had similar systemic exposure as monotherapy or when combined with acalabrutinib or rituximab; lisaftoclax had no DDI when combined with acalabrutinib or rituximab. No discontinuations were attributed to lisaftoclax TRAEs. Forty-four (95.7%) patients in monotherapy discontinued treatment. Most discontinuations were due to progressive disease (n = 41 [23.3%]) and AEs (n = 13 [7.4%]); 9 (5.1%) patients withdrew consent; 7 (4%) achieved complete response or MRD negativity after ≥ 24 cycles; 5 (2.8%) died; and 18 (10.2%) discontinued for other reasons. Clinical (n = 2) and laboratory (n = 3) TLS was observed in 5 (2.8%) patients on lisaftoclax (by Howard/Cairo-Bishop criteria), with cases rapidly resolving to resume lisaftoclax safely. Conclusions: The presented data suggest that lisaftoclax combined with acalabrutinib is effective for patients with prior ven exposure, including those with progression on ven. In this updated analysis with longer follow-up, no DDIs or new safety findings were observed in TN or R/R CLL/SLL patients treated with lisaftoclax monotherapy or combinations. Patients with prior ven exposure continue to be accrued in order to further evaluate this promising signal. A global registrational phase III study is recruiting. Lisaftoclax (APG-2575), a Novel BCL-2 Inhibitor, in Combination with Azacitidine in Treatment of Patients with Myelodysplastic Syndrome (MDS) Format: Poster Presentation Abstract#: 3202 Session: 637. Myelodysplastic Syndromes: Clinical and Epidemiological: Poster II Time: Sunday, December 8, 2024, 6:00 PM - 8:00 PM First Author: Prof. Huafeng Wang, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China Highlights: Background: Hypomethylating agents (HMAs) remain the standard of care in higher-risk MDS. However, its clinical efficacy is limited, and patients who have failed or are resistant to HMAs have a poor prognosis, leaving them in need of new therapeutic options. Introduction: Preclinical data have shown that novel investigational Bcl-2 inhibitor lisaftoclax combined with an HMA can synergistically induce apoptosis in cancer cells in AML and MDS. Reported here are the follow-up safety and efficacy data from a Phase Ib/II clinical trial evaluating lisaftoclax combined with azacitidine in adults (≥18 years) with MDS. Enrolled Patients and Study Methods: This study enrolled patients with higher-risk MDS (IPSS-R score > 3.5; blasts > 5%), including those with TN or R/R disease. Lisaftoclax at an assigned dose (400, 600, or 800 mg) was administered orally once daily from Days 1 to 14 and combined with azacitidine (75 mg/m2/day) on Days 1 to 7 in repeated 28-day cycles. A daily ramp-up was used before the first cycle to prevent TLS. The primary objectives of the study were to assess the efficacy and safety of the combination regimen in patients with MDS and establish the recommended Phase III dose for lisaftoclax. Complete response (CR) and marrow CR (mCR) rates were evaluated in accordance with 2006 International Working Group (IWG) criteria. As of July 1, 2024, 49 patients were enrolled: 8 had R/R MDS (lisaftoclax 600 mg [n=5] and 800 mg [n=3]) and 41 had TN MDS (lisaftoclax 400 mg [n=16], 600 mg [n=23], and 800 mg [n=2]). The median (range) age was 66 (22-83) years, and 55.1% of patients were male. IPSS-R risk categories were intermediate (12/49 [24.5%]), high (24/49 [49.0%]), and very high (13/49 [26.5%]). Among the 39 patients with genetic mutational profile data, 9 (23.1%) had TP53 mutations; 11 (28.2%) had TET2 mutations; 10 (25.6%) had ASXL1 mutations; and 10 (25.6%) had RUNX1 mutations. At baseline, 70.8% of patients reported grade ≥ 3 anemia; 54.2% had grade ≥ 3 neutropenia; and 45.8% had grade ≥ 3 thrombocytopenia. Efficacy Results: Lisaftoclax dose reduction occurred in 4 (8.2%) patients. Neither 60-day mortality nor TLS was reported. In 8 patients with R/R MDS, the median (range) duration of treatment (DOT) was 3.2 (1.2-9.4) months. The overall response rate (ORR=CR[12.5%]+marrow CR[62.5%]) was 75.0% (95% CI, 34.9-96.8). In 40 efficacy-evaluable patients with TN MDS, the median DOT (range) was 4.5 (0.5-12.1) months; the ORR was 77.5% (95% CI, 61.5-89.2); and the CR rate was 25.0% per IWG 2006 criteria. Furthermore, the ORR and CR rate in 23 patients with TN MDS treated with lisaftoclax 600 mg combined with azacitidine were 73.9% and 30.4%, respectively; because these patients had a relatively longer median DOT (6.01 months), we conducted further analyses per IWG 2023 criteria. The composite CR rate (CR2023 = CR [52.2%] + CRL [17.4%]) was 69.6%, and the median time to CR (range) was 2.84 (1.1-8.7) months. Both the median progression-free survival and overall survival rates were not reached. Safety Results: All patients treated with lisaftoclax combined with azacitidine reported TEAEs. Of these, 93.8% were grade ≥ 3 AEs and 35.4% were serious AEs. Common grade ≥ 3 nonhematologic TEAEs (≥ 10% incidence) included pneumonia (24.4%) and hypokalemia (10.2%). Common grade ≥ 3 hematologic TEAEs included leukocyte count decreased (75.5%), neutropenia (69.4%), thrombocytopenia (65.3%), anemia (24.5%), and febrile neutropenia (18.4%). Grade ≥ 3 infections were reported in 46.9% of patients, of which 26.5% were treatment related. Treatment delays between cycles due to AEs occurred in 11 (22.4%) patients, with a median delay time (range) of 12 (1-63) days. A total of 95.9% of patients reported TRAEs, of which 87.8% were grade ≥ 3 AEs and 28.6% were serious AEs. Common grade ≥ 3 hematologic TRAEs included leukocyte count decreased (71.4%), neutropenia (65.3%), thrombocytopenia (65.3%), anemia (20.4%), and febrile neutropenia (12.2%). Conclusions: The clinical data support an emerging role for lisaftoclax in combination with azacitidine for treatment of patients with higher-risk TN or R/R MDS. The combination therapy was efficacious and well tolerated, resulting in no 60-day mortality, few dose modifications, and low infection rates, supporting further clinical development of this combination in patients with higher-risk MDS. * Olverembatinib is an investigational drug that has not been approved for any indication outside China; lisaftoclax (APG-2575), APG-2449 and APG-5918 are investigational drugs that have not been approved in any country and region. About Ascentage Pharma Ascentage Pharma (6855.HK) is a global, integrated biopharmaceutical company engaged in discovering, developing and commercializing therapies to address global unmet medical needs primarily in malignancies. On October 28, 2019, Ascentage Pharma was listed on the Main Board of the Stock Exchange of Hong Kong Limited with the stock code 6855.HK. The company has built a rich pipeline of innovative drug candidates that includes novel, highly potent Bcl-2 and dual Bcl-2/Bcl-xL inhibitors, as well as candidates aimed at IAP and MDM2-p53 pathways, and next-generation TKIs. Ascentage Pharma is also the only company in the world with active clinical programs targeting all three known classes of key apoptosis regulators. The company has conducted more than 40 clinical trials in the US, Australia, Europe, and China, including 13 registrational studies (completed/ ongoing/planned). Olverembatinib, the company's first lead asset developed for the treatment of drug-resistant chronic myeloid leukemia (CML) and the company's first approved product in China, has been granted Priority Review Designations and Breakthrough Therapy Designations by the Center for Drug Evaluation (CDE) of China National Medical Products Administration (NMPA). To date, the drug had been included into the China National Reimbursement Drug List (NRDL). Furthermore, olverembatinib has been granted Orphan Drug Designations (ODDs) and a Fast Track Designation (FTD) by the US FDA, and an Orphan Designation by the EMA of the EU. To date, Ascentage Pharma has obtained a total of 16 ODDs from the US FDA and 1 Orphan Designation from the EMA of the EU for 4 of the company's investigational drug candidates. Leveraging its robust R&D capabilities, Ascentage Pharma has built a portfolio of global intellectual property rights and entered into global partnerships and other relationships with numerous leading biotechnology and pharmaceutical companies such as Takeda, AstraZeneca, Merck, Pfizer and Innovent; and research and development relationships with leading research institutions such as Dana-Farber Cancer Institute, Mayo Clinic, MD Anderson Cancer Center, National Cancer Institute and the University of Michigan. The company has built a talented team with a wealth of global experience in the discovery and development of innovative drugs and fully functional commercial manufacturing and Sales & Marketing teams. One pivotal aim of Ascentage Pharma is to continuously strengthen its R&D capabilities and accelerate its clinical development programs, in order to fulfil its mission of addressing unmet clinical needs in China and around the world for the benefit of more patients. Forward-Looking Statements The forward-looking statements made in this article relate only to the events or information as of the date on which the statements are made in this article. Except as required by law, Ascentage Pharma undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise, after the date on which the statements are made or to reflect the occurrence of unanticipated events. You should read this article completely and with the understanding that our actual future results or performance may be materially different from what we expect. In this article, statements of, or references to, our intentions and expectations or those of any of our Directors or our Company are made as of the date of this article. Any of these intentions and expectations may alter in light of future development.
ROCKVILLE, Md. and SUZHOU, China, Nov. 6, 2024 /PRNewswire/ -- Ascentage Pharma (6855.HK), a global biopharmaceutical company engaged in discovering, developing, and commercializing therapies to address global unmet medical needs primarily for malignancies, today announced that multiple studies of its novel investigational drug candidate, olverembatinib (HQP1351), have been selected for presentations, including an Oral Report, at the 66th American Society of Hematology (ASH) Annual Meeting. This is the seventh consecutive year in which clinical data on olverembatinib have been selected for Oral Reports at the meeting, an achievement reflecting the strong recognition of olverembatinib's safety and efficacy profile by the international hematology community. This year, results from multiple clinical and preclinical studies on four of the company's investigational drug candidates (olverembatinib, lisaftoclax, APG-2449, and APG-5918) have been selected for presentations, including two Oral Reports, at the ASH Annual Meeting. Developed by Ascentage Pharma, olverembatinib is the first China-approved third-generation BCR:ABL1 inhibitor, currently being jointly commercialized in China by Ascentage Pharma and Innovent Biologics. At this year's ASH Annual Meeting, Ascentage Pharma will present an Oral Report featuring the latest clinical data of olverembatinib in the second-line treatment of patients with chronic-phase chronic myeloid leukemia (CP-CML), from a study led by Prof. Weiming Li, the principal investigator from Wuhan Union Hospital. Furthermore, updated data from a global multicenter study of olverembatinib and an investigational clinical study of olverembatinib in combination lisaftoclax (APG-2575), another one of Ascentage Pharma's lead drug candidates in investigation, in children with relapsed/refractory Philadelphia chromosome–positive acute lymphoblastic leukemia (R/R Ph+ ALL) will also be released in Poster Presentations at the meeting. The ASH Annual Meeting is one of the largest gatherings of the international hematology community, aggregating the latest scientific research on the pathogenesis and clinical treatment of hematologic diseases. The 66th ASH Annual Meeting will take place on December 7-10, 2024, local time, both online and in-person in San Diego, CA (United States). "For seven years in a row, clinical data of olverembatinib have been selected by the ASH Annual Meeting, setting another record in the number of consecutive years the drug is featured in Oral Reports at the meeting," said Dr. Yifan Zhai, Chief Medical Officer of Ascentage Pharma. "This reflects the strong recognition of the drug's therapeutic potential by the international hematology community. Furthermore, multiple studies of four of our investigational drug candidates have been selected for presentations at the meeting this year, underscoring Ascentage Pharma's robust capabilities in global innovation and investigational clinical development. We are eager to share detailed data at the event. Moving forward, we will continue to accelerate our clinical development programs in efforts to bring more treatment options to patients as soon as possible." An overview of presentations featuring Ascentage Pharma's drug candidates at ASH 2024: Format Drug Candidate Abstract title Abstract# Oral Presentation Olverembatinib (HQP1351) Olverembatinib as Second-Line (2L) Therapy in Patients (pts) with Chronic Phase-Chronic Myeloid Leukemia (CP-CML) 480 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575) Combined with Novel Therapeutic Regimens in Patients (pts) with Relapsed or Refractory Multiple Myeloma (R/R MM) or Immunoglobulin Light-Chain (AL) Amyloidosis 1022 Poster Presentation Olverembatinib (HQP1351) Olverembatinib (HQP1351) Overcomes Resistance/Intolerance to Asciminib and Ponatinib in Patients (pts) with Heavily Pretreated Chronic-Phase Chronic Myeloid Leukemia (CP CML): A 1.5-Year Follow-up Update with Comprehensive Exposure-Response (E-R) Analyses 3151 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575) Demonstrates Activity and Safety When Given with Accelerated Ramp-up and then Combined with Acalabrutinib or Rituximab in Patients (pts) with Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), Including Those with Prior Exposure to Venetoclax 4614 Lisaftoclax (APG-2575) Lisaftoclax (APG-2575), a Novel BCL-2 Inhibitor, in Combination with Azacitidine in Treatment of Patients with Myelodysplastic Syndrome (MDS) 3202 Olverembatinib + Lisaftoclax Safety and Efficacy of Olverembatinib (HQP1351) Combined with Lisaftoclax (APG-2575) in Children and Adolescents with Relapsed/Refractory Philadelphia Chromosome–Positive Acute Lymphoblastic Leukemia (R/R Ph+ ALL): First Report from a Phase 1 Study 1443 Olverembatinib (HQP1351) A Phase 2 Study of Olverembatinib for the Treatment of Myeloid/Lymphoid Neoplasms with FGFR1 Rearrangement 1781 Olverembatinib (HQP1351) Olverembatinib 30 Mg Versus 40 Mg Every Other Day (QOD) in Patients with Tyrosine Kinase Inhibitor (TKI) Resistant or Intolerant Chronic-Phase Chronic Myeloid Leukemia (CML-CP): A Multi-Center Propensity Score-Matched Analysis 4529 Olverembatinib (HQP1351) Combination of Olverembatinib and VP Regimen for Newly Diagnosed Adult Philadelphia Chromosome-Positive Acute Lymphoblastic Leukemia 1449 Olverembatinib (HQP1351) Olverembatinib-Therapy in Patients with Accelerated-Phase Chronic Myeloid Leukaemia: A Multi-Centre Retrospective Study from China 1767 Olverembatinib (HQP1351) Olverembatinib-Based Therapy in Patients with Philadelphia Chromosome-Positive Acute Leukemia: A Multi-Centre Retrospective Study from China 4528 Lisaftoclax + APG-2449 APG-2449, a Novel Focal Adhesion Kinase (FAK) Inhibitor, Exhibits Antileukemic Activity and Enhances Lisaftoclax (APG-2575)-Induced Apoptosis in Acute Myeloid Leukemia (AML) 4150 APG-5918 Embryonic Ectoderm Development (EED) Inhibitor APG-5918 Demonstrates Robust Antitumor Activity in Preclinical Models of T-Cell Lymphomas (TCLs) 1415 Abstract only Olverembatinib + Lisaftoclax Olverembatinib (HQP1351) in Combination with Lisaftoclax Overcomes Venetoclax Resistance in Preclinical Model of Acute Myeloid Leukemia (AML) 5777 Major study abstracts on olverembatinib selected for presentations at the 2024 ASH Annual Meeting are as follows: (for details on the abstracts featuring lisaftoclax, please refer to a separate press release published at the same time) Oral Presentation Olverembatinib as Second-Line (2L) Therapy in Patients (pts) with Chronic Phase-Chronic Myeloid Leukemia (CP-CML) Format: Oral Presentation Abstract#: 480 Session: 632. Chronic Myeloid Leukemia: Novel Molecules in Clinical Practice Time: Sunday, December 8, 2024; 9:30 AM - 11:00 AM First Author: Prof. Weiming Li, Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology Highlights: Background: Olverembatinib, a third-generation tyrosine kinase inhibitor (TKI), has demonstrated remarkable efficacy and a favorable safety profile in patients with CML resistant and/or intolerant to at least 2 TKIs or with the T315I mutation. The aim of this study was to assess the efficacy and safety of olverembatinib as a second-line treatment for patients with CP-CML without the T315I mutation. Introduction: This is a single-arm, multicenter, open-label study designed to evaluate the efficacy, safety, and patients' quality of life of orally administered olverembatinib (40 mg QOD) in patients with CP-CML who were resistant/intolerant to one prior line of TKIs (including imatinib, flumatinib, nilotinib, and dasatinib) without the T315I mutation. Enrolled Patients and Study Methods: As of July 29, 2024, the study enrolled a total of 42 patients with non–T315I-mutant CML-CP. These patients received orally administered olverembatinib 40 mg every other day (QOD) in 28-day cycles. Efficacy Results: As of July 29, 2024, 33 (78.6%) patients had at least one efficacy assessment, 28 (66.7%) had at least two, 23 (54.8%) had at least three. Three patients had not yet undergone their first efficacy assessment. At data cutoff, 75.0% (24/32) of patients achieved a complete cytogenetic response (CCyR) and 40.6% (13/32) achieved a major molecular response (MMR). The CCyR and MMR rates evaluated at the end of Cycles 6, 9, 12, and 18 were 53.4% and 28.6%, 64.8% and 32.5%, 69.1% and 32.5%, and 77.7% and 43.9%, respectively, suggesting that efficacy improved over time. In 32 efficacy-evaluable patients, 23 were pretreated with second-generation TKIs as first-line treatment, of whom 19 (82.68%) achieved CCyR, and 10 (43.5%) achieved MMR. In 9 patients who were pretreated with imatinib, 5 achieved CCyR (55.6%) and 3 achieved MMR (33.3%). Safety Results: The median (range) treatment duration was 16.0 (1-18) months. A total of 37 (88.1%) patients experienced any-grade treatment-related adverse events (TRAEs), of whom 19 (45.2%) had grade ≥ 3 treatment-related adverse events (TRAEs) and 5 (11.9%) had olverembatinib-related serious AEs (SAEs). Nonhematologic TRAEs included skin hyperpigmentation (38.1%), hyperuricemia (23.8%), and creatine phosphokinase increased (21.4%). Most of these TRAEs were grade 1 or 2. Grade ≥ 3 hematologic toxicities included platelet count decreased (38.1%), neutropenia (21.4%), and anemia (7.1%). Possibly olverembatinib-related any-grade cardiovascular events included hypertension (4.8%) and atrial tachycardia (2.4%), all of which were grade 1 or 2. Olverembatinib-related SAEs included platelet count decreased (7.1%), anemia, myelosuppression, and pyrexia (2.4% each). No deaths were reported. Conclusions: Olverembatinib may provide an effective and safe second-line treatment option for patients with CP-CML, especially those who have failed on second-generation TKIs in the first-line setting. Poster Presentations Olverembatinib (HQP1351) Overcomes Resistance/Intolerance to Asciminib and Ponatinib in Patients (pts) with Heavily Pretreated Chronic-Phase Chronic Myeloid Leukemia (CP CML): A 1.5-Year Follow-up Update with Comprehensive Exposure-Response (E-R) Analyses Format: Poster Presentation Abstract#: 3151 Session: 632. Chronic Myeloid Leukemia: Clinical and Epidemiological: Poster II Time: Sunday, December 8, 2024; 6:00 PM - 8:00 PM First Author: Dr. Elias Jabbour, Department of Leukemia, The University of Texas MD Anderson Cancer Center Highlights： Introduction: New treatment options are needed for patients with CP-CML resistant/intolerant to third-generation (3G) TKI ponatinib and/or asciminib, a specifically targeting the ABL myristoyl pocket (STAMP) inhibitor. Olverembatinib is a well-tolerated TKI with potential to overcome resistance. This update presents efficacy and safety data of olverembatinib in patients with heavily pretreated CP-CML. Enrolled Patients and Study Methods: Adults with CP-CML previously treated with ≥2 TKIs and/or a STAMP inhibitor, adequate organ function, and no major molecular response (MMR) were eligible. As of July 28, 2024, 67 pts with CP-CML were enrolled; median (range) follow-up was 74.3 (0.1-217.1) weeks; median (range) age, 50 (21-80) years; and 38 (56.7%) patients were male. Patients were randomly allocated to receive olverembatinib at doses of 30, 40, or 50 mg orally every other day (QOD) in 28-day cycles, with stratification based on T315I mutation status. Comprehensive E-R analyses were performed. Efficacy Results: No patient had efficacy at baseline. 35 of 60 (58.3%) evaluable patients achieved CCyR and 29/64 (45.3%) achieved MMR. At 12 months, the overall MMR rate was 61.4% (27/44). CCyR was achieved by 66.7% of patients with the T315I mutation vs 54.8% without it, and MMR was achieved by 50.0% vs 43.5%, respectively. Of 28 cytogenetic response-evaluable patients with ponatinib-failed CP-CML, 15 (53.6%) achieved CCyR. The CCyR rates in patients with prior ponatinib resistance and intolerance were 52.2% (12/23) and 75.0% (3/4), respectively. In the 30 molecular response-evaluable patients who were previously treated with ponatinib, 12 (40.0%) achieved MMR, including 47.8% (11/23) of those with prior resistance and 16.7% (1/6) with intolerance. No patient above had efficacy at baseline. In evaluable patients with asciminib treatment failure, 37.5% (6/16) achieved CCyR and 30% (6/20) achieved MMR, including a CCyR rate of 30.8% (4/13) and an MMR rate of 26.7% (4/15) in those with prior resistance, and a CCyR rate of 50.0% (1/2) and an MMR rate of 25.0% (1/4) in those with intolerance. No patient had efficacy at baseline. CCyR and MMR rates in patients previously treated with both ponatinib and asciminib were 30% and 25%, respectively. No patient had efficacy at baseline. Safety Results: Among 66 subjects receiving olverembatinib, a total of 62 (93.9%) reported treatment-emergent adverse events (TEAEs) of any grade, with 44 (66.7%) experiencing grade ≥ 3 TEAEs. In addition, 60 (90.9%) patients reported TRAEs of any grade. Common TRAEs (≥20%) were elevated creatine phosphokinase (37.9%), thrombocytopenia (24.2%), and increased alanine aminotransferase (22.7%). Conclusions: Olverembatinib was well tolerated and showed strong and durable antileukemic activity in patients with heavily pretreated CP-CML. The registrational study is recruiting. Safety and Efficacy of Olverembatinib (HQP1351) Combined with Lisaftoclax (APG-2575) in Children and Adolescents with Relapsed/Refractory Philadelphia Chromosome–Positive Acute Lymphoblastic Leukemia (R/R Ph+ ALL): First Report from a Phase 1 Study Format: Poster Presentation Abstract#: 1443 Session: 613. Acute Lymphoblastic Leukemias: Therapies Excluding Allogeneic Transplantation: Poster I Time: Saturday, December 7, 2024; 5:30 PM - 7:30 PM First Author: Prof. Jingliao Zhang, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences Highlights： Background: Olverembatinib, a novel third-generation TKI, is well tolerated and exerts strong and durable antileukemic activity in patients with heavily pretreated CP-CML with or without the T315I mutation. Investigational lisaftoclax, a novel Bcl-2 inhibitor, has shown clinical antitumor benefits in patients with multiple hematologic malignancies. Currently, there are no effective treatment options available for pediatric patients with R/R Ph+ ALL. This study was designed to explore the safety, efficacy, and pharmacokinetic (PK) profile of olverembatinib alone or combined with lisaftoclax in children and adolescents with R/R Ph+ ALL. Methods: This was an open-label, Phase Ib study that enrolled children and adolescents aged < 18 years with R/R Ph+ ALL resistant or intolerant to at least 1 TKI (prior use of TKIs was not considered if patients had T315I mutation). Patients were required to have adequate Karnofsky/Lansky performance status score and organ function. Patients with symptomatic central nervous system disorders or significant bleeding, which were unrelated to Ph+ ALL, were excluded. Olverembatinib was administered orally at 40 mg adult equivalent dose (AED) every other day for 2 weeks (Days [D] 1-14), followed by the same dose of olverembatinib in combination with lisaftoclax at an assigned dose of 200/400/600 mg (AED) daily (QD) on D13-42 (a 3-day dose ramp-up from D13-15 was needed). Dexamethasone at 6 mg/m2/day was administered orally QD from D15-42. The primary endpoints included safety assessments, overall response rate (ORR), measurable residual disease (MRD) negativity rate, and pharmacokinetic (PK) characteristics of olverembatinib alone or in combination with lisaftoclax. Patient Enrollment: From September 2022 to June 2024, a total of 10 patients were enrolled. The median (range) age was 13.0 (11-15) years, and 6 patients were male. The median (range) body weight was 49.85 (35.9-86.0) kg. Nine (90.0%) patients expressed the p190 transcript, and 1 patient (10.0%) expressed the p210 transcript. Three patients harbored BCR::ABL1 mutations [2, T315I; 1, F317L (c.951C>A)] at baseline. After 1 patient discontinued from the trial because of seizure on D1 of Course 1 (C1D1), 9 eligible patients were included in the 3+3 dose escalation model (n = 6, R/R; n = 3, intolerant): 3 patients in each Arm (A, B, and C) at assigned lisaftoclax dose levels of 200, 400, and 600 mg (AED), respectively. These patients completed 42 days of treatment and were assessed for the primary endpoints. Efficacy Results: Among 6 patients evaluable for morphologic responses, 2 patients achieved complete responses with incomplete count recovery (CRis), 2 achieved partial responses (PRs) at the end of olverembatinib monotherapy (EOM), resulting in an overall response rate (ORR) of 66.7%; and 5 (83.3%) patients achieved CRis at the end of olverembatinib and lisaftoclax combination course (EOC). In the 7 patients who were evaluable for molecular responses, 5 (71.4%) achieved MRD negativity, of which 1 was at EOM and 4 at EOC. Safety Results: 6 of 10 patients experienced grade ≥ 3 hematologic TEAEs, including anemia (3/10), neutropenia (7/10), and thrombocytopenia (3/10); 1 patient had grade 3 alanine aminotransferase increase leading to treatment discontinuation, and 1 patient discontinued the trial after experiencing a seizure at C1D1. PK Analyses: Preliminary PK analyses revealed similar PK characteristics and comparable exposure between pediatric and adult populations for olverembatinib and lisaftoclax. There was no significant accumulation after multiple doses, and no drug-drug interactions were observed between olverembatinib and lisaftoclax. Conclusions: These preliminary data showed that olverembatinib in combination with lisaftoclax appears to be a safe and effective regimen in pediatric patients with R/R Ph+ ALL. This regimen resulted in a promising CR rate of 83.3% and MRD negativity rate of 71.4% without intensive chemotherapy or immunotherapy. The study is currently in the dose-expansion phase. * Olverembatinib is an investigational drug that has not been approved for any indication outside China; lisaftoclax (APG-2575), APG-2449 and APG-5918 are investigational drugs that have not been approved in any country and region. About Ascentage Pharma Ascentage Pharma (6855.HK) is a global, integrated biopharmaceutical company engaged in discovering, developing, and commercializing therapies to address global unmet medical needs primarily in malignancies. On October 28, 2019, Ascentage Pharma was listed on the Main Board of the Stock Exchange of Hong Kong Limited with the stock code 6855.HK. The company has built a rich pipeline of innovative drug candidates that includes novel, highly potent Bcl-2 and dual Bcl-2/Bcl-xL inhibitors, as well as candidates aimed at IAP and MDM2-p53 pathways, and next-generation TKIs. Ascentage Pharma is also the only company in the world with active clinical programs targeting all three known classes of key apoptosis regulators. The company has conducted more than 40 clinical trials in the US, Australia, Europe, and China, including 13 registrational studies (completed/ ongoing/planned). Olverembatinib, the company's first lead asset developed for the treatment of drug-resistant chronic myeloid leukemia (CML) and the company's first approved product in China, has been granted Priority Review Designations and Breakthrough Therapy Designations by the Center for Drug Evaluation (CDE) of China National Medical Products Administration (NMPA). To date, the drug had been included into the China National Reimbursement Drug List (NRDL). Furthermore, olverembatinib has been granted Orphan Drug Designations (ODDs) and a Fast Track Designation (FTD) by the US FDA, and an Orphan Designation by the EMA of the EU. To date, Ascentage Pharma has obtained a total of 16 ODDs from the US FDA and 1 Orphan Designation from the EMA of the EU for 4 of the company's investigational drug candidates. Leveraging its robust R&D capabilities, Ascentage Pharma has built a portfolio of global intellectual property rights and entered into global partnerships and other relationships with numerous leading biotechnology and pharmaceutical companies such as Takeda, AstraZeneca, Merck, Pfizer and Innovent; and research and development relationships with leading research institutions such as Dana-Farber Cancer Institute, Mayo Clinic, MD Anderson Cancer Center, National Cancer Institute and the University of Michigan. The company has built a talented team with a wealth of global experience in the discovery and development of innovative drugs and fully functional commercial manufacturing and Sales & Marketing teams. One pivotal aim of Ascentage Pharma is to continuously strengthen its R&D capabilities and accelerate its clinical development programs, in order to fulfil its mission of addressing unmet clinical needs in China and around the world for the benefit of more patients. Forward-Looking Statements The forward-looking statements made in this article relate only to the events or information as of the date on which the statements are made in this article. Except as required by law, Ascentage Pharma undertakes no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise, after the date on which the statements are made or to reflect the occurrence of unanticipated events. You should read this article completely and with the understanding that our actual future results or performance may be materially different from what we expect. In this article, statements of, or references to, our intentions and expectations or those of any of our Directors or our Company are made as of the date of this article. Any of these intentions and expectations may alter in light of future development.
Clinical Trials/Medical Discoveries
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