Background:
Mesothelioma is a rare cancer typically caused by exposure to asbestos and related fibers. Most people with mesothelioma survive less than 5 years after diagnosis. About 3000 people in the United States die from this disease each year. People with inherited mutations in the BAP1 gene [called BAP1 Cancer Syndrome (BCS)] are more likely to develop mesothelioma and other cancers such as melanomas and renal cell carcinomas without asbestos exposure. Almost all people with BCS develop multiple cancers, of which mesothelioma is the most commonly observed.
Objective:
To test a study drug (APG-115) in participants with BAP1 Cancer Syndrome (BCS) and early-stage mesothelioma.
Eligibility:
People aged 18 years and older with germline BAP1 mutations and early-stage mesothelioma that does not yet need standard treatment are eligible for protocol enrollment. Participants will be required to also enroll in NIH protocols 20-C-0106 and 06-C-0014 which allow for pre- and post-treatment biopsies and bloodwork to be obtained for additional research studies.
Design:
Participants will be screened. They will have a physical exam with blood tests. Their medical records will be reviewed. They will have imaging scans and tests of their heart and lung functions. A procedure using a flexible tube with a camera and light will be inserted into the participant s chest and abdomen through a small cut to look at the tumors and to collect a tissue sample (biopsy).
APG-115 capsules are taken by mouth. Participants will take the drug at home every other day for the first 13 days of the 21-day treatment cycles.
On the first day of each cycle, researchers will call or email participants to check on their health.
Participants will have blood tests 2 times a week during the first 2 cycles; after that, the blood tests will be weekly. These blood tests can be done at a local medical facility or at the NIH Clinical Center.
Participants may continue treatment for up to 16 cycles.
Imaging scans, biopsy, and other tests will be repeated after 8 and 16 cycles.

Start Date28 May 2025

Sponsor / Collaborator

National Cancer Institute

NCT06735820

/ Not yet recruitingPhase 1/2IIT

Early Phase Study to Evaluate the MEK Inhibitor Selumetinib With the MDM2 Inhibitor APG-115 in Patients With Neurofibromatosis Type 1 and Pre-malignant and Malignant Peripheral Nerve Sheath Tumors

This is a phase 0/1/2, multi-site study to evaluate the MEK inhibitor Selumetinib with the MDM2 Inhibitor APG-115 in patients with Neurofibromatosis Type 1 and pre-malignant and malignant peripheral nerve sheath tumors

Start Date01 Apr 2025

Sponsor / Collaborator

Children's National Research Institute

[+1]

NCT05701306

/ RecruitingPhase 1

A Phase I Clinical Study of APG-115 Alone or in Combination With APG-2575 in Children With Recurrent or Refractory Neuroblastoma or Solid Tumors

An open, non-randomized Phase I trial of dose-escalation and cohorts expansion to evaluate the safety, pharmacokinetic profile and initial efficacy of APG-115 alone or in combination with APG-2575 in the treatment of recurrent or refractory pediatric neuroblastoma or solid tumors.

Start Date28 Feb 2023

Sponsor / Collaborator

Ascentage Pharma Group, Inc.

[+1]

100 Clinical Results associated with Alrizomadlin

100 Translational Medicine associated with Alrizomadlin

100 Patents (Medical) associated with Alrizomadlin

Literatures (Medical) associated with Alrizomadlin

01 Jun 2025·SLAS Discovery

Combinatorial screen with apoptosis pathway targeted agents alrizomadlin, pelcitoclax, and dasminapant in multi-cell type tumor spheroids

Article

Author: Coussens, Nathan P ; Doroshow, James H ; Silvers, Thomas ; Takebe, Naoko ; Dexheimer, Thomas S ; Sanchez, Phillip R ; Hollingshead, Melinda G ; Teicher, Beverly A ; Chen, Li

Apoptosis, or programmed cell death, plays a critical role in maintaining tissue homeostasis by eliminating damaged or abnormal cells. Dysregulation of apoptosis pathways is a hallmark of cancer, allowing malignant cells to evade cell death and proliferate uncontrollably. Targeting apoptosis pathways has emerged as a promising therapeutic strategy in cancer treatment, aiming to restore the balance between cell survival and death. The MDM2 inhibitor alrizomadlin, the Bcl-2/Bcl-xL inhibitor pelcitoclax, and the IAP family inhibitor dasminapant were evaluated both individually and in combinations with standard of care and investigational anticancer small molecules in a spheroid model of solid tumors. The multi-cell type tumor spheroids were grown from human endothelial cells and mesenchymal stem cells combined with human malignant cells that were either established or patient-derived cell lines from the NCI Patient-Derived Models Repository. The malignant cell lines were derived from a range of solid tumors including uterine carcinosarcoma, synovial sarcoma, rhabdomyosarcoma, soft tissue sarcoma, malignant fibrous histiocytoma, malignant peripheral nerve sheath tumor (MPNST), pancreas, ovary, colon, breast, and small cell lung cancer. Interactions were observed from combinations of the apoptosis pathway targeted agents. Additionally, interactions were observed from combinations of the apoptosis pathway targeted agents with other agents, including PARP inhibitors, the XPO1 inhibitor eltanexor, and the PI3K inhibitor copanlisib. Enhanced activity was also observed from combinations of the apoptosis pathway targeted agents with MAPK pathway targeted agents, including the MEK inhibitor cobimetinib as well as adagrasib and MRTX1133, which specifically target the KRAS G12C and G12D variants, respectively.

01 Feb 2025·LEUKEMIA RESEARCH

Anlotinib enhances the pro-apoptotic effect of APG-115 on acute myeloid leukemia cell lines by inhibiting the P13K/AKT signaling pathway

Article

Author: Guo, Xiaoli ; Zhao, Rui ; Cheng, Cheng ; Wei, Xudong ; Cui, Yu ; Li, Dongbei ; He, Rongheng ; Hu, Chenxi

BACKGROUND:

APG-115 is a novel small-molecule selective inhibitor that destabilizes the p53-MDM2 complex and activates p53-mediated apoptosis in tumor cells. Anlotinib inhibits tumor angiogenesis and promotes apoptosis. In this study, we investigated the apoptotic effect and potential mechanism of APG-115 and anlotinib combination on AML cell lines with different p53 backgrounds.

MATERIAL AND METHODS:

The IC50 values of APG-115 and anlotinib were detected by CCK-8 assay. The apoptosis rate of AML cells was evaluated by Annexin-V and PI double staining. Transcriptome sequencing was performed on the MOLM16 cell line treated with APG-115 and anlotinib, and differential analysis and enrichment analysis were performed. Real-time quantitative PCR and Western blot were used to detect the changes in cell cycle and pathway-related genes and proteins in AML cell lines after drug treatment. In vivo experiments, the anti-leukemia effects of APG-115 and anlotinib on AML xenograft mouse models were evaluated.

RESULTS:

APG-115 and anlotinib could independently promote AML cell apoptosis, and the combination of the two drugs could produce a synergistic effect. Transcriptome sequencing showed that compared with the APG-115 monotherapy group, the differentially expressed genes were mainly enriched in the MDM2-p53 and PI3K/AKT pathways. In vivo experiments showed that compared with AML xenograft mice treated with either drug alone, AML progression was slowed in AML xenograft mice treated with APG-115 and anlotinib.

CONCLUSION:

In vivo and in vitro experimental have shown that APG-115 combined with anlotinib can promote AML cells apoptosis and inhibit the progression of disease is independent of the p53 status.

01 Sep 2024·BIOORGANIC CHEMISTRY

Targeting MDM2-p53 interaction in Glioblastoma: Transcriptomic analysis and Peptide-Based inhibition strategy

Article

Author: Kakar, Mohibullah ; Hu, Xiaolin ; Li, Wei ; Liu, Tiantian ; Liu, Yiting ; Sun, Lizhu ; Han, Manman ; Shakir, Yasmeen ; Iqbal, Imran ; Tang, Qing

MDM2 is a gene that encodes a protein involved in cell survival, growth, and DNA repair. It has been implicated in the development and progression of glioblastoma (GBM). Inhibition of the MDM2-p53 interaction has emerged as a promising strategy for treating GBM. In this study, we performed comprehensive transcriptomic expression analysis from diverse datasets and observed MDM2 overexpression in a subset of GBM cases. MDM2 negatively regulates the major onco-suppressor p53. The interaction between MDM2 and p53 is a promising target for cancer therapy, as it can trigger p53-mediated cell death in response to different stress conditions, such as oncogene activation or DNA damage. In this study, we have identified a peptide-based inhibition of MDM2 as a therapeutic strategy for GBM. We have further validated the stability of the MDM2-peptide interaction using a molecular structural dynamics approach. The major trajectories, including root mean square of deviation (RMSD), root mean square of fluctuation (RMSF), and radius of gyration (RoG), indicate that the candidate peptides have a more stable binding compared to the native ligand and control drug. The stability of the binding interaction was further estimated by MMGBSA analysis, which also suggests that MDM2 has a stable binding with both peptide molecules. Based on these results, peptides P-1843 and P-3837 could be tested further for experimental validation to confirm their targeted inhibition of MDM-2. This approach could provide a highly selective and efficient inhibitor with potentially fewer side effects and less toxicity compared to small drug-based molecules.

News (Medical) associated with Alrizomadlin

23 May 2025

·www.einpresswire.com

Ascentage Pharma Announces Clinical Data of Lisaftoclax, Which Shows Therapeutic Potential in Venetoclax-Refractory Patients, Selected for Oral Report at ASCO 2025

ROCKVILLE, Md. and SUZHOU, China, May 22, 2025 (GLOBE NEWSWIRE) -- Ascentage Pharma (NASDAQ: AAPG; HKEX: 6855), a global biopharmaceutical company dedicated to addressing unmet medical needs in cancers, today announced that new clinical data from two ongoing investigational studies evaluating lisaftoclax in various blood cancers and alrizomadlin in solid tumors will be presented during an oral presentation and poster presentation, respectively, at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting, taking place May 30 - June 3 in Chicago, Ill., USA. Both lisaftoclax and alrizomadlin demonstrated antitumor activity, and the data support their further clinical development. The Bcl-2 inhibitor lisaftoclax and the MDM2-p53 inhibitor alrizomadlin are both key drug candidates in Ascentage Pharma’s apoptosis-targeted pipeline. The oral report on lisaftoclax will feature results from a Phase 1b/2 study evaluating lisaftoclax in combination with azacitidine in patients with treatment-naïve (TN) or prior venetoclax-exposed myeloid malignancies. Data from this global, multicenter study that has enrolled nearly one hundred patients show that lisaftoclax in combination with azacitidine was well tolerated with preliminary efficacy. Moreover, this study released the first dataset of lisaftoclax in patients with venetoclax-refractory acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS), and it also demonstrated promising therapeutic potential. Dr. Yifan Zhai, Chief Medical Officer of Ascentage Pharma, commented: “We are pleased that results from the ongoing Phase 1b/2 study of lisaftoclax will be featured in an oral presentation at the 2025 ASCO Annual Meeting, which will highlight how lisaftoclax demonstrated significant activity when combined with azacitidine in patients with various myeloid malignancies. This novel Bcl-2 inhibitor has shown antitumor activity in both previously untreated patients and those who were treated with venetoclax, addressing a critical treatment gap for these difficult-to-treat conditions. The recent new drug application submission for lisaftoclax in China was a milestone for our program, and, if approved, lisaftoclax would become the second Bcl-2 inhibitor to be approved anywhere in the world. We are grateful to the patients who participated in these trials and the investigators for sharing our commitment to developing innovative therapies that can make a meaningful difference for patients with cancer who have limited options.” Highlights of the two abstracts selected for presentations at ASCO 2025 are as follows: Phase 1b/2 Study of Lisaftoclax (APG-2575) Combined with Azacitidine (AZA) in Patients with Treatment-Naïve or Prior Venetoclax-Exposed Myeloid Malignancies Abstract #: 6505 Format: Oral Presentation Session Title: Hematologic Malignancies—Leukemia, Myelodysplastic Syndromes, and Allotransplant Date and Time: Monday, June 2, 2025, 3:00 PM-6:00 PM, Central Time (Tuesday, June 3, 2025, 4:00 AM-7:00 AM, Beijing Time) Principal Authors: Michael Francis Leahy, MBChB, Royal Perth Hospital, Australia; Shaun Fleming, MBBS(Hons), PhD, The Alfred Hospital & Australian Centre for Blood Diseases, Australia; Patricia Kropf, MD, Novant Health Cancer Institute, United States, et al. Highlights: The Phase 1b/2 study was designed to evaluate the safety and efficacy of lisaftoclax in combination with azacitidine in patients with treatment-naïve (TN) or relapsed/refractory (R/R) acute myeloid leukemia (AML)/mixed phenotype acute leukemia (MPAL) or high-risk myelodysplastic syndromes (HR-MDS)/chronic myelomonocytic leukemia (CMML). Lisaftoclax is a novel investigational oral selective Bcl-2 inhibitor that has shown enhanced treatment response when combined with azacitidine in prior preclinical and clinical studies. The combination of lisaftoclax and azacitidine was well tolerated, with initial signals of clinical activity. As of the data cutoff date of January 6, 2025, 97 patients were enrolled, with a median treatment duration of two cycles. In patients with TN-MDS/CMML, the overall response rate (ORR) was 64%, with complete response (CR) and marrow CR achieved by 29% and 36% of patients, respectively; in patients with R/R AML treated with lisaftoclax for 28 days or 14 days of repeated 28-day cycles, the ORRs were 39% and 50%, respectively, including CR rates of 28% and 37.5%, respectively; in patients with diseases refractory to venetoclax, the ORR was 17% in patients with AML/MPAL and 50% in patients with HR-MDS. The maximum tolerated dose (MTD) was not reached, and no dose-limiting toxicities (DLTs) were observed. Common grade 3/4 treatment-emergent adverse events (TEAEs) included neutropenia (40%), febrile neutropenia (31%), and thrombocytopenia (22%). Febrile neutropenia was the most commonly reported serious adverse event (SAE) (26.8%). Only 3% of participants experienced neutropenia that led to a dose reduction of lisaftoclax. There was no reported 60-day mortality. A Phase 2 Study of Novel MDM2 Inhibitor Alrizomadlin (APG-115) with or without Toripalimab in Patients with Advanced Adenoid Cystic Carcinoma (ACC) or Other Solid Tumors Abstract #: 6102 Format: Poster Presentation Session Title: Head and Neck Cancer Date and Time: Monday, June 2, 2025, 9:00 AM-12:00 PM, Central Time (Monday June 2, 2025, 10:00 PM – 1:00 AM the next day, Beijing Time) Principal Authors: Ye Guo, MD, Department of Medical Oncology, Shanghai East Hospital, China; Ning Li, MD, Chinese Academy of Medical Sciences Cancer Hospital, China; Xing Zhang, MD, Melanoma and Sarcoma Medical Oncology Unit, Sun Yat-sen University Cancer Center, China; Meiyu Fang, MD, Department of Rare Cancer & Head and Neck Medical Oncology, Cancer Hospital of the University of Chinese Academy of Sciences, China; Shuhang Wang, MD, Chinese Academy of Medical Sciences Cancer Hospital, China, et al. Highlights: Alrizomadlin is a novel investigational oral MDM2 inhibitor that has shown a manageable safety profile with initial clinical activity in ACC. As of the data cutoff date of January 5, 2025, 54 patients with advanced ACC, malignant peripheral nerve sheath tumor (MPNST), liposarcoma (LPS), biliary-tract cancer (BTC) and other tumors were enrolled. Alrizomadlin monotherapy showed antitumor activity in patients with advanced ACC or MPNST. Alrizomadlin in combination with toripalimab was also well tolerated and demonstrated antitumor activity in patients with MPNST, BTC and LPS. In the monotherapy arm, 14 patients were efficacy-evaluable. The ORR was 22.2% and the disease control rate (DCR) was 100% in 9 patients with ACC. The DCR was 100% in all patients with MPNST, all 5 of whom achieved stable disease (SD). Grade 3 or higher treatment-related adverse events (TRAEs) included neutropenia (13.6%) and thrombocytopenia (9.1%). No treatment-related SAEs were reported. In the combination arm, 28 patients were efficacy-evaluable. The ORR was 20% and DCR was 80% in 5 patients with BTC. The ORR was 16.7% and DCR was 66.7% in 6 patients with LPS. The ORR was 14.3% and DCR was 53.6% in patients with MPNST; furthermore, 2 patients with MPNST had confirmed partial responses (PR) with prolonged progression free survival (PFS) of 60+ weeks and 96+ weeks, respectively. Grade 3 or higher TRAEs included thrombocytopenia (38.5%) and neutropenia (34.6%). Treatment-related SAEs were reported in 8 patients, with thrombocytopenia being the most common (n=6). One patient discontinued treatment because of grade 4 thrombocytopenia. No treatment-related deaths were reported. * Lisaftoclax (APG-2575) and alrizomadlin (APG-115) are investigational compounds and have not been approved by the U.S. FDA. About Ascentage Pharma Ascentage Pharma (NASDAQ: AAPG; HKEX: 6855) is a global biopharmaceutical company dedicated to addressing unmet medical needs in cancers. The company has built a rich pipeline of innovative drug candidates that includes inhibitors targeting key proteins in the apoptotic pathway, such as Bcl-2 and MDM2-p53 and next-generation kinase inhibitors. The lead asset, olverembatinib, is the first third generation BCR-ABL1 inhibitor approved in China for the treatment of patients with CML in chronic phase (CML-CP) with T315I mutations, CML in accelerated phase (CML-AP) with T315I mutations, and CML-CP that is resistant or intolerant to first and second-generation TKIs. It is covered by the China National Reimbursement Drug List (NRDL). The Company is currently conducting an FDA-cleared, global registrational Phase 3 trial, or POLARIS-2, of olverembatinib for CML, as well as global registrational Phase 3 trials for newly diagnosed Ph+ ALL patients and SDH-deficient GIST patients. The second lead asset, lisaftoclax, is a novel Bcl-2 inhibitor for the treatment of various hematological malignancies. The NDA for the treatment of relapsed and/or refractory CLL and SLL was accepted with Priority Review designation by China’s National Medical Products Administration. The Company is currently conducting an FDA-cleared, global registrational Phase 3 trial, or GLORA, of lisaftoclax in combination with BTK inhibitors for patients with CLL/SLL previously treated with BTK inhibitors for more than 12 months with sub-optimal response, as well as global registrational Phase 3 trials for newly diagnosed CLL/SLL, AML and MDS patients. 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, in addition to research and development relationships with leading research institutions, such as Dana-Farber Cancer Institute, Mayo Clinic, National Cancer Institute and the University of Michigan. For more information, visit https://ascentage.com/ Forward-Looking Statements This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, contained in this press release may be forward-looking statements, including statements that express Ascentage Pharma’s opinions, expectations, beliefs, plans, objectives, assumptions or projections regarding future events or future results of operations or financial condition. These forward-looking statements are subject to a number of risks and uncertainties as discussed in Ascentage Pharma’s filings with the SEC, including those set forth in the sections titled “Risk factors” and “Special note regarding forward-looking statements and industry data” in its Registration Statement on Form F-1, as amended, filed with the SEC on January 21, 2025, and the Form 20-F filed with the SEC on April 16, 2025, the sections headed “Forward-looking Statements” and “Risk Factors” in the prospectus of the Company for its Hong Kong initial public offering dated October 16, 2019, and other filings with the SEC and/or The Stock Exchange of Hong Kong Limited we made or make from time to time that may cause actual results, levels of activity, performance or achievements to be materially different from the information expressed or implied by these forward-looking statements. The forward-looking statements contained in this presentation do not constitute profit forecast by the Company’s management. As a result of these factors, you should not rely on these forward-looking statements as predictions of future events. The forward-looking statements contained in this press release are based on Ascentage Pharma’s current expectations and beliefs concerning future developments and their potential effects and speak only as of the date of such statements. Ascentage Pharma does not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Contacts Investor Relations: Hogan Wan, Head of IR and Strategy Ascentage Pharma Hogan.Wan@ascentage.com +86 512 85557777 Stephanie Carrington ICR Healthcare Stephanie.Carrington@icrhealthcare.com +1 (646) 277-1282 Media Relations: Sean Leous ICR Healthcare Sean.Leous@icrhealthcare.com +1 (646) 866-4012 Legal Disclaimer: EIN Presswire provides this news content "as is" without warranty of any kind. We do not accept any responsibility or liability for the accuracy, content, images, videos, licenses, completeness, legality, or reliability of the information contained in this article. If you have any complaints or copyright issues related to this article, kindly contact the author above.

$Ascentage Pharma Announces Clinical Data of Lisaftoclax, Which Shows Therapeutic Potential in Venetoclax-Refractory Patients, Selected for Oral Report at ASCO 2025$

ASCOPhase 3Clinical ResultPriority ReviewPhase 2

07 Apr 2024

·www.prnewswire.com

AACR 2024 | Ascentage Pharma Presents Results from Three Studies at 2024 American Association of Cancer Research Annual Meeting

ROCKVILLE, Md. and SUZHOU, China, April 7, 2024 /PRNewswire/ -- Ascentage Pharma (6855.HK), a global biopharmaceutical company engaged in developing novel therapies for cancer, age-related diseases, and chronic hepatitis B (CHB), announced today that it releases the latest results from three preclinical studies of its novel drug candidates olverembatinib, MDM2-p53 inhibitor alrizomadlin (R&D Code: APG-115), FAK/ALK/ROS1 tyrosine kinase inhibitor APG-2449, and embryonic ectoderm development (EED) inhibitor APG-5918, at the 2024 American Association of Cancer Research Annual Meeting (AACR 2024). This year's AACR annual meeting will be held from April 5-10 2024, in San Diego, California, USA. "We are pleased to present the preclinical research data of four assets in our pipeline at the AACR 2024. The results provided essential support for the potential clinical development and therapeutic combinations of these compounds in SDH-deficient neoplasms, prostate cancer, and ovarian cancer," said Dr. Yifan Zhai, Chief Medical Officer of Ascentage Pharma. "Moving forward, we will continue to advance these programs toward the clinical stage in order to bring more treatment options to patients in need." The details of these three preclinical studies are as follows: Olverembatinib, a novel multikinase inhibitor, demonstrates superior antitumor activity in succinate dehydrogenase (SDH)-deficient neoplasms Abstract#: 1971 Time: Monday April 8, 2024, 9:00 AM - 12:30 PM (Pacific Time) Introduction: Succinate dehydrogenase (SDH) – deficient (dSDH) neoplasms are identified by the loss of immunohistochemical expression of SDHB due to the bi-allelic inactivation of any of the four components of mitochondrial SDH complex (SDH A-D). Succinate accumulation, due to SDH deficiency, is involved in tumorigenesis of different types of cancers including gastrointestinal stromal tumor (GIST), paraganglioma, pheochromocytoma, renal cell carcinoma, pituitary adenomas, and pancreatic neuroendocrine tumors. The prognosis of patients with dSDH neoplasia, especially GIST, is poor and approved tyrosine kinase inhibitors (TKIs) have limited efficacy. There is a high unmet medical need for these patients. Olverembatinib, a novel multi-kinase inhibitor, targets a broad spectrum of kinases and has demonstrated promising efficacy in dSDH GIST patients in an ongoing phase I clinical trial. In this study, we assessed antitumor effects of olverembatinib in preclinical models of dSDH cancers and dSDH GIST primary tumor cells, and explored potential mechanisms of action. Conclusions: Olverembatinib showed superior anti-tumor activity in dSDH cell lines in vitro and human dSDH GIST primary tumor cells ex vivo. Olverembatinib, as a multi-target kinase inhibitor, exerted antitumor effects by modulating multiple signaling pathways including hypoxia, angiogenesis, apoptosis, proliferation, and survival, which are involved in tumorigenesis of dSDH cancers. Olverembatinib demonstrated more potent in vivo antitumor activity in mice bearing PC12#5F7 (SDHB KD) xenograft tumors than other TKIs. Western blot analysis in tumor tissues collected from mice further confirmed the modulation of the signal pathways by olverembatinib observed in cell lines. In summary, the results provide a rationale for future clinical development of olverembatinib in dSDH cancers. Embryonic ectoderm development (EED) inhibitor APG-5918 (EEDi-5273) and MDM2 inhibitor alrizomadlin (APG-115) synergistically inhibit tumor growth in preclinical models of prostate cancer (PCa) Abstract#: 3223 Time: Monday April 8, 2024, 1:30 PM - 5:00 PM (Pacific Time) Introduction: Prostate cancer (PCa) is one of the most frequently diagnosed malignancies among elderly males. Androgen deprivation therapy (ADT) with or without androgen receptor (AR) inhibitors is widely used as initial treatment for advanced PCa. However, most ADT-treated patients eventually develop castration-resistant prostate cancer (CRPC), which is in urgent need of novel therapies. Polycomb repressive complexes 2 (PRC2) dysregulation is common in PCa and correlates with poor prognosis. PRC2 mediates histone H3 lysine 27 tri-methylation (H3K27me3), a repressive epigenetic marker for gene transcription. embryonic ectoderm development (EED), a PRC2 core component, is crucial for histone methyltransferase activity through direct binding to H3K27me3. MDM2, a negative regulator of the tumor suppressor p53, is frequently amplified or overexpressed in PCa, and associated with poor clinical outcomes and metastasis. The aim of this study was to evaluate antitumor activity and molecular mechanisms of the investigational, clinical-stage EED inhibitor APG-5918/EEDi-5273 and MDM2 selective inhibitor alrizomadlin (APG-115) in PCa preclinical models Conclusions: In PCa preclinical models, the combination of APG-5918 and alrizomadlin synergistically inhibited cellular proliferation and induced cellular apoptosis. APG-5918 in combination with alrizomadlin synergistically enhanced antitumor activity in PCa xenograft models in vivo. Mechanistically, PD analysis revealed that APG-5918 downregulated the oncogenic DNA methylation factors (UHRF1, DNMT1) and histone methylation marker H3K27me3. Alrizomadlin markedly downregulated UHRF1 and DNMT1, and upregulated p53 and p21 expression. Combined treatment further enhanced downregulation of DNMT1, UHRF1, cell cycle pathway proteins (pRb, CDK6), antiapoptotic protein MCL-1, and synergistically increased cleavage of PARP-1, a marker of apoptosis. Therefore, the findings provide a scientific rationale for future clinical development of APG-5918 and alrizomadlin to treat patients with PCa. APG-2449, a novel focal adhesion kinase (FAK) inhibitor, inhibits metastasis and enhances the antitumor efficacy of PEGylated liposome doxorubicin (PLD) in epithelial ovarian cancer (EOC) Abstract#: 4569 Time: Tuesday April 9, 2024, 9:00 AM - 12:30 PM (Pacific Time) Introduction: Ovarian cancer is among the leading causes of cancer-related death in women, and most cases are diagnosed at later stages with distant metastasis. FAK overexpression or activation occurs in a substantial proportion of epithelial ovarian cancers (EOCs) and is predictive of poor clinical outcomes. FAK plays an important role in cell migration and chemoresistance, rendering FAK inhibition a promising treatment approach to reduce metastasis of tumor cells and sensitize them to chemotherapy. FAK is therefore emerging as a potential treatment target. The aim of this study was to evaluate the antitumor efficacy of investigational APG-2449, a novel FAK inhibitor, combined with PLD, a commonly used chemotherapy, in relapsed or refractory ovarian cancer. Conclusions: APG-2449 combined with doxorubicin showed synergistic antiproliferative effects in both platinum-resistant and platinum-sensitive ovarian cancer cell lines. FAK inhibition via APG-2449 alone attenuated migration of ovarian cancer cells in a dose-dependent manner. APG-2449 in combination with PLD showed enhanced antitumor activity in platinum-resistant OVCAR-3 ovarian cancer CDX model. The combination regimen prolonged ascites-free and survival times in the ID8-Luc peritoneal syngeneic model. These promising results support the future clinical development of this combination treatment for ovarian cancer. About Ascentage Pharma Ascentage Pharma (6855.HK) is a globally focused biopharmaceutical company engaged in developing novel therapies for cancers, chronic hepatitis B, and age-related diseases. 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. Ascentage Pharma focuses on developing therapeutics that inhibit protein-protein interactions to restore apoptosis, or programmed cell death. The company has built a pipeline of 9 clinical drug candidates, including 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 tyrosine kinase inhibitors (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 is conducting more than 40 Phase I/II clinical trials in the US, Australia, Europe, and China. Ascentage Pharma has been designated for multiple Major National R&D Projects, including five Major New Drug Projects, one New Drug Incubator status, four Innovative Drug Programs, and one Major Project for the Prevention and Treatment of Infectious Diseases. Olverembatinib, the company's core drug candidate developed for the treatment of drug-resistant chronic myeloid leukemia (CML) and the company's first approved product, 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 2022 National Reimbursement Drug List (NRDL). Furthermore, olverembatinib has been granted an Orphan Drug Designation (ODD) 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 with numerous renowned biotechnology and pharmaceutical companies and research institutes such as UNITY Biotechnology, MD Anderson Cancer Center, Mayo Clinic, Dana-Farber Cancer Institute, MSD, and AstraZeneca. The company has built a talented team with global experience in the discovery and development of innovative drugs and is setting up its world-class 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 or those of any of our Directors or our Company are made as of the date of this article. Any of these intentions may alter in light of future development. SOURCE Ascentage Pharma

Clinical ResultFast TrackOrphan DrugPhase 1Breakthrough Therapy

06 Mar 2024

·www.prnewswire.com

AACR 2024 | Ascentage Pharma to Present Three Preclinical Studies at 2024 American Association of Cancer Research Annual Meeting

ROCKVILLE, Md. and SUZHOU, China, March 5, 2024 /PRNewswire/ -- Ascentage Pharma (6855.HK), a global biopharmaceutical company engaged in developing novel therapies for cancer, age-related diseases, and chronic hepatitis B (CHB), announced today that the latest results from three preclinical studies of the company's novel drug candidates olverembatinib, MDM2-p53 inhibitor alrizomadlin, FAK/ALK/ROS1 tyrosine kinase inhibitor APG-2449, and EED inhibitor APG-5918, have been selected for presentations at the 2024 American Association of Cancer Research Annual Meeting (AACR 2024). These abstracts are now available on the AACR's official website. The AACR annual meeting is one of the world's largest and longest-standing scientific gatherings in the field of cancer research. Covering some of the most cutting-edge advances in all the areas of oncology research and innovation, the annual event attracts tremendous interest from the global cancer research community. This year's AACR annual meeting will be held from April 5-10 2024, in San Diego, California, USA. These three preclinical abstracts from Ascentage Pharma include: Olverembatinib, a novel multikinase inhibitor, demonstrates superior antitumor activity in succinate dehydrogenase (SDH)-deficient neoplasms Abstract#: 1971 Session Category: Experimental and Molecular Therapeutics Session Title: Kinase and Phosphatase Inhibitors 2 Session Time: Monday April 8, 2024, 9:00 AM - 12:30 PM, Pacific Time Results from this preclinical study show that in SDH-deficient cancer cells, olverembatinib has superior efficacy compared to other approved tyrosine kinase inhibitors. Mechanistically, olverembatinib can exert its antitumor effects in SDH-deficient neoplasms by modulating multiple signal pathways involved in cell hypoxia, angiogenesis, proliferation, and survival. These results provide a scientific rationale for the future development of olverembatinib in SHD-deficient cancers with an urgent unmet medical need. Embryonic ectoderm development (EED) inhibitor APG-5918 (EEDi-5273) and MDM2 inhibitor alrizomadlin (APG-115) synergistically inhibit tumor growth in preclinical models of prostate cancer (PCa) Abstract#: 3223 Session Category: Experimental and Molecular Therapeutics Session Title: Epigenetic Targets Session Time: Monday April 8, 2024, 1:30 PM - 5:00 PM, Pacific Time Results from this preclinical study show that in preclinical models of PCa, targeting both EED and MDM2 can synergistically enhance antitumor activities by modulating pathways related to DNA methylation, cell cycle, and apoptosis. These findings provide a scientific rationale for the future clinical development of APG-5918 in combination with alrizomadlin for the treatment of PCa. APG-2449, a novel focal adhesion kinase (FAK) inhibitor, inhibits metastasis and enhances the antitumor efficacy of PEGylated liposome doxorubicin (PLD) in epithelial ovarian cancer (EOC) Abstract#: 4569 Session Category: Experimental and Molecular Therapeutics Session Title: Drug Combinations Session Time: Tuesday April 9, 2024, 9:00 AM - 12:30 PM, Pacific Time Results from this preclinical study show that the novel FAK inhibitor APG-2449 can reduce the metastasis of tumor cells and achieve synergistic antitumor effects with PLD in xenograft mouse models of ovarian cancer. These results support the future clinical development of APG-2449 in combination with PLD for the treatment of ovarian cancer. About Ascentage Pharma Ascentage Pharma (6855.HK) is a globally focused biopharmaceutical company engaged in developing novel therapies for cancers, chronic hepatitis B, and age-related diseases. 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. Ascentage Pharma focuses on developing therapeutics that inhibit protein-protein interactions to restore apoptosis, or programmed cell death. The company has built a pipeline of 9 clinical drug candidates, including 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 tyrosine kinase inhibitors (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 is conducting more than 40 Phase I/II clinical trials in the US, Australia, Europe, and China. Ascentage Pharma has been designated for multiple Major National R&D Projects, including five Major New Drug Projects, one New Drug Incubator status, four Innovative Drug Programs, and one Major Project for the Prevention and Treatment of Infectious Diseases. Olverembatinib, the company's core drug candidate developed for the treatment of drug-resistant chronic myeloid leukemia (CML) and the company's first approved product, 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 2022 National Reimbursement Drug List (NRDL). Furthermore, olverembatinib has been granted an Orphan Drug Designation (ODD) 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 with numerous renowned biotechnology and pharmaceutical companies and research institutes such as UNITY Biotechnology, MD Anderson Cancer Center, Mayo Clinic, Dana-Farber Cancer Institute, MSD, and AstraZeneca. The company has built a talented team with global experience in the discovery and development of innovative drugs and is setting up its world-class 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 or those of any of our Directors or our Company are made as of the date of this article. Any of these intentions may alter in light of future development. SOURCE Ascentage Pharma

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Indication	Highest Phase	Country/Location	Organization	Date
Non-Hodgkin Lymphoma	Phase 2	United States	Ascentage Pharma Group, Inc.	12 Jul 2021
Diffuse Large B-Cell Lymphoma	Phase 2	United States	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
Diffuse Large B-Cell Lymphoma	Phase 2	China	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
Mantle-Cell Lymphoma	Phase 2	United States	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
Mantle-Cell Lymphoma	Phase 2	China	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
T-Cell Prolymphocytic Leukemia	Phase 2	United States	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
T-Cell Prolymphocytic Leukemia	Phase 2	China	Suzhou Yasheng Pharmaceutical Co., Ltd.	09 Jul 2021
Solid tumor	Phase 2	China	Ascentage Pharma Group International Co., Ltd.	02 Jun 2021
Advanced Liposarcoma	Phase 2	China	Ascentage Pharma Group, Inc.	26 May 2021
Advanced Liposarcoma	Phase 2	China	Suzhou Yasheng Pharmaceutical Co., Ltd.	26 May 2021

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Study	Phase	Population	Analyzed Enrollment	Group	Results	Evaluation	Publication Date


NCT03611868 (ASCO 12023 \| ASCO 22023) Manual	Phase 2	Neurofibrosarcoma	24	Pembrolizumab 200 mg+Alrizomadlin 150 mg	rjmyowplwi(srzixvzeua) = yupnyvocqd ethuoxinmn (jpiqmyzael ) View more	Positive	26 May 2023
NCT03611868 (APG-115-US002, ASCO 12023 \| ASCO 22023) Manual	Phase 2	Unresectable Melanoma	31	Pembrolizumab+Alrizomadlin	egxagtjkpw(gygxqhsaov) = uehnifcaqi tmmeswneri (pdlnojmpoa ) View more	Positive	26 May 2023
NCT03611868 (APG-115-US-002; Keynote MK-3475-B66, ASCO2022)	Phase 2	Solid tumor	130	Alrizomadlin 150 mg PO + Pembrolizumab 200 mg IV	qrzkiledxv(niusmcpaty) = 12% (grade 3≥ 7%) gibyxstntt (mtffsxdeso ) View more	Positive	02 Jun 2022
NCT03611868 (APG-115-US-002; Keynote MK-3475-B66, ASCO2021)	Phase 2	Solid tumor \| Unresectable Melanoma	84	Alrizomadlin	mziemqargv(skknrknxsv) = 11.9% gpkjxopemz (yltmeovgww ) View more	-	28 May 2021
NCT03611868 (ASCO 12020 \| ASCO 22020) Manual	Phase 1	Metastatic Solid Tumor	19	pembrolizumab+APG-115	hkuexpqqiz(ueadiormop) = afpajmoavh kgogtcuaqk (mlifhipjwx ) View more	Positive	29 May 2020
CTR20170975 (ASCO2020)	Phase 1	Advanced Liposarcoma	21	APG-115 100mg	uayjiarldf(deqmhvvfod) = Two DLTs were observed at 200 mg, thrombocytopenia and febrile neutropenia. zpebtlsmui (ivtkjxjonp ) View more	Positive	25 May 2020
CTR20170975 (ASCO2019)	Phase 1	Sarcoma	13	APG-115 100mg	uxbweygskt(pkxcvbuxih) = ≥50% of pts kgcjwtpgde (lrpfkplfyl ) View more	Positive	26 May 2019
CTR20170975 (ASCO2019)	Phase 1	Sarcoma	13	APG-115 150mg		Positive	26 May 2019

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