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Last Updated: January 20, 2025

Investigational Drug Information for APG-115


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What is the drug development status for APG-115?

APG-115 is an investigational drug.

There have been 8 clinical trials for APG-115. The most recent clinical trial was a Phase 1 trial, which was initiated on July 12th 2021.

The most common disease conditions in clinical trials are Myelodysplastic Syndromes, Liposarcoma, and Leukemia. The leading clinical trial sponsors are Ascentage Pharma Group Inc., Suzhou Yasheng Pharmaceutical Co., Ltd., and Merck Sharp & Dohme Corp.

There is one US patent protecting this investigational drug and sixteen international patents.

Recent Clinical Trials for APG-115
TitleSponsorPhase
APG-115 Alone or in Combination With APG-2575 in Children With Recurrent or Refractory Neuroblastoma or Solid TumorsSuzhou Yasheng Pharmaceutical Co., Ltd.Phase 1
APG-115 Alone or in Combination With APG-2575 in Children With Recurrent or Refractory Neuroblastoma or Solid TumorsAscentage Pharma Group Inc.Phase 1
A Study Evaluating APG-115 as a Single Agent or in Combination With APG-2575 in Subjects With T-PLLAscentage Pharma Group Inc.Phase 2

See all APG-115 clinical trials

Clinical Trial Summary for APG-115

Top disease conditions for APG-115
trials000111112222Myelodysplastic SyndromesLiposarcomaLeukemiaPreleukemia[disabled in preview]
Top clinical trial sponsors for APG-115
trials0123456789Ascentage Pharma Group Inc.Suzhou Yasheng Pharmaceutical Co., Ltd.Merck Sharp & Dohme Corp.[disabled in preview]

See all APG-115 clinical trials

US Patents for APG-115

DrugnamePatent NumberPatent TitlePatent AssigneeEstimated Expiration
APG-115 ⤷  Subscribe MDM2 inhibitors and therapeutic methods using the same THE REGENTS OF THE UNIVERSITY OF MICHIGAN (Ann Arbor, MI) ⤷  Subscribe
>Drugname>Patent Number>Patent Title>Patent Assignee>Estimated Expiration
Showing 1 to 1 of 1 entries

International Patents for APG-115

DrugnameCountryDocument NumberEstimated ExpirationRelated US Patent
APG-115 Australia AU2015247646 2034-04-17 ⤷  Subscribe
APG-115 Canada CA2945527 2034-04-17 ⤷  Subscribe
APG-115 China CN106794171 2034-04-17 ⤷  Subscribe
APG-115 China CN111718354 2034-04-17 ⤷  Subscribe
APG-115 European Patent Office EP3131544 2034-04-17 ⤷  Subscribe
>Drugname>Country>Document Number>Estimated Expiration>Related US Patent
Showing 1 to 5 of 5 entries

APG-115: A Promising MDM2-p53 Inhibitor in Cancer Therapy

Introduction

APG-115, developed by Ascentage Pharma, is a novel MDM2-p53 inhibitor that has garnered significant attention in the oncology community for its potential in treating various types of cancers. This article delves into the development updates, clinical trials, and market projections for APG-115.

Mechanism of Action

APG-115 is an orally administered, selective small-molecule inhibitor designed to block the MDM2-p53 protein-protein interaction (PPI). By inhibiting MDM2, APG-115 activates the tumor suppression activity of p53, a crucial protein in regulating cell cycle and apoptosis[1][3][5].

Clinical Development

Phase Ib/II Clinical Studies

APG-115 is currently being investigated in multiple Phase Ib/II clinical studies in both China and the US. These studies include evaluations as a single agent and in combination with other therapies such as pembrolizumab, a PD-1 inhibitor, for the treatment of solid tumors and hematologic malignancies[1][3][5].

Specific Indications

  • Non-Small Cell Lung Cancer (NSCLC): APG-115 has shown therapeutic potential in NSCLC harboring STK11 mutations, particularly in patients resistant to PD-1 inhibitors. Preclinical studies demonstrated that APG-115 induces ferroptosis in cancer cells with STK11/LKB1 mutations, achieving a response rate of 66% in PDX models[1].
  • Gastric Cancer: APG-115 has been granted Orphan Drug Designation by the FDA for the treatment of gastric cancer, highlighting its promise in addressing an urgent unmet clinical need[3].
  • Acute Myeloid Leukemia (AML) and Myelodysplastic Syndromes (MDS): APG-115 has received a second FDA Orphan Drug Designation for the treatment of AML and MDS, with ongoing Phase Ib studies in China investigating its use as a single agent or in combination with cytarabine or azacitidine[4].

Synergy with Immunotherapy

APG-115 has been shown to enhance antitumor immunity when combined with anti-PD-1 therapy. Studies indicate that p53 activation by APG-115 promotes antitumor immunity in the tumor microenvironment, regardless of the Trp53 status of the tumors. This synergy is attributed to the increased proinflammatory M1 macrophage polarization and co-stimulatory activity in T cells[2].

Orphan Drug Designations

APG-115 has been granted Orphan Drug Designations by the FDA for the treatment of gastric cancer and for AML and MDS. These designations are expected to accelerate global clinical development and commercialization, providing incentives to expedite the drug's development and approval process[3][4].

Market Projections

Unmet Medical Needs

The market for APG-115 is driven by the significant unmet medical needs in the treatment of cancers such as NSCLC, gastric cancer, AML, and MDS. Patients with STK11 mutations in NSCLC and those resistant to PD-1 inhibitors represent a substantial target population[1][3].

Competitive Landscape

APG-115 is the first MDM2-p53 inhibitor to enter clinical development in China and is one of the few such inhibitors globally. Its unique mechanism of action and the synergy with immunotherapies position it favorably in the competitive landscape of cancer therapeutics[1][3].

Regulatory Support

The Orphan Drug Designations and ongoing clinical trials indicate strong regulatory support for APG-115. This support is likely to facilitate faster approval and market entry, which could significantly impact the treatment paradigms for the targeted cancer types[3][4].

Future Clinical Investigations

  • Combination Therapies: Ongoing and planned clinical trials will continue to explore the efficacy of APG-115 in combination with other therapies, including pembrolizumab and chemotherapy agents.
  • Biomarker Identification: The identification of STK11/LKB1 mutations as potential biomarkers for APG-115 treatment will be crucial for personalized medicine approaches[1][2].

Key Takeaways

  • Mechanism of Action: APG-115 inhibits MDM2-p53 interaction, activating p53 tumor suppression.
  • Clinical Trials: Ongoing Phase Ib/II studies in various cancers, including NSCLC, gastric cancer, AML, and MDS.
  • Synergy with Immunotherapy: Enhances antitumor immunity when combined with anti-PD-1 therapy.
  • Orphan Drug Designations: Granted for gastric cancer and AML/MDS, accelerating development and commercialization.
  • Market Potential: Addresses significant unmet medical needs, particularly in patients resistant to current therapies.

FAQs

What is APG-115 and how does it work?

APG-115 is an orally administered MDM2-p53 inhibitor that blocks the MDM2-p53 protein-protein interaction, thereby activating the tumor suppression activity of p53.

Which cancers is APG-115 being investigated for?

APG-115 is being investigated for the treatment of non-small cell lung cancer (NSCLC), gastric cancer, acute myeloid leukemia (AML), and myelodysplastic syndromes (MDS).

What is the significance of the Orphan Drug Designations for APG-115?

The Orphan Drug Designations granted by the FDA for gastric cancer and AML/MDS accelerate the global clinical development and commercialization of APG-115, providing regulatory incentives to expedite its approval.

How does APG-115 synergize with immunotherapy?

APG-115 enhances antitumor immunity when combined with anti-PD-1 therapy by promoting proinflammatory M1 macrophage polarization and co-stimulatory activity in T cells.

What are the potential biomarkers for APG-115 treatment?

STK11/LKB1 mutations have been identified as potential biomarkers for the treatment of NSCLC with APG-115.

What is the current status of clinical trials for APG-115?

APG-115 is currently in multiple Phase Ib/II clinical studies in China and the US, evaluating its efficacy as a single agent and in combination with other therapies.

Sources

  1. Ascentage Pharma Released Preclinical Results of MDM2-p53 Inhibitor APG-115 - Ascentage Pharma.
  2. MDM2 inhibitor APG-115 synergizes with PD-1 blockade through p53 activation in the tumor microenvironment - Journal for ImmunoTherapy of Cancer.
  3. Ascentage Pharma's MDM2-p53 Inhibitor APG-115 Granted Orphan Drug Designation by the FDA for the Treatment of Gastric Cancer - Ascentage Pharma.
  4. FDA grants APG-115 orphan drug designation for the treatment of AML and MDS - AML Hub.
  5. A Study of APG-115 in as a Monotherapy or Combination With Pembrolizumab in Patients With Metastatic Melanomas or Advanced Solid Tumors - UCLA Health.

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