2024-12-23 04:19:30
Author: CStone Pharmaceuticals / 2023-07-23 23:17 / Source: CStone Pharmaceuticals

CStone announces China NMPA acceptance of IND application for CS2006/NM21-1480, a PD-L1/4-1BB/HSA multi-specific antibody-based molecule, marking further expansion of its Pipeline 2.0 strategy

SUZHOU,China,July 7,2021 --CStone Pharmaceuticals ("CStone",HKEX: 2616),a leading biopharmaceutical company focused on the research,development,and commercialization of innovative immuno-oncology therapies and precision medicines,today announced that the investigational new drug (IND) application of CS2006/NM21-1480 has been accepted by the Center for Drug Evaluation,National Medical Products Administration (NMPA) of China. CS2006/NM21-1480 is a monovalent trispecific antibody-based molecule targeting PD-L1,4-1BB and HSA. Its unique molecular design and innovative mechanism of action help reduce toxicity and improve efficacy. As a potential best-in-class drug,CS2006/NM21-1480 is a new immuno-oncology therapy that could be potentially used as a monotherapy or in combination with multiple treatments.

The clinical program of CS2006/NM21-1480 will further deepen and expand CStone's Pipeline 2.0 strategy. With a forward-looking perspective,CStone has developed an innovative Pipeline 2.0 that consists of assets with first-in-class or best-in-class potential in emerging therapeutic categories.

Dr. Archie Tse,Chief Scientific Officer of CStone,said,"The acceptance of the IND application for CS2006/NM21-1480 marks a significant milestone in CStone's Pipeline 2.0 strategy. In April,2020,CS2006/NM21-1480 was approved for early clinical development in the U.S. and the study is now well underway. Moving forward,we will step up efforts to drive the development of CS2006/NM21-1480 and other high-quality new drugs to benefit cancer patients."

CS2006/NM21-1480 is designed to bind to 4-1BB and activate T cells only when engaging with PD-L1 on the surface of tumor cells,potentially preventing liver toxicities observed in clinical trials with agonistic monospecific and bivalent anti-4-1BBantibodies.

Compared to other PD-L1/4-1BB bispecific antibody candidates,CS2006/NM21-1480's unique monovalent structure and ultra-high-affinity PD-L1-binding is expected to lead to better safety and higher efficacy. Furthermore,half-life extension via the HSA-binding motif in CS2006/NM21-1480 enables lower-frequency dosing schedules for patients. CS2006/NM21-1480 is anticipated to be effective against tumors with a wide range of PD-L1 expression-levels and may overcome primary and/or acquired resistance to anti-PD-1/PD-L1 therapies. Therefore,CS2006/NM21-1480 represents a leading class of next-generation cancer immunotherapies and a new backbone molecule for combinations.

CS2006/NM21-1480 was discovered and engineered by Numab Therapeutics ("Numab"),CStone's partner,using its proprietary λcap™ technology and MATCH™ platform. CStone and Numab signed an exclusive regional licensing agreement for the development and commercialization of the drug candidate. Pursuant to the terms of the licensing agreement,CStone will fund the research and development of CS2006/NM21-1480 up to completion of an initial Phase Ib clinical trial. In exchange,CStone obtains exclusive rights from Numab to develop and commercialize CS2006/NM21-1480 in Greater China (including Mainland China,Hong Kong,Macau and Taiwan),South Korea and Singapore. Numab retains all CS2006/NM21-1480 rights for the rest of the world. Upon completion of CStone's funding period,no further financial obligations will be owed by either party.

About CStone

CStone Pharmaceuticals (HKEX: 2616) is a biopharmaceutical company focused on researching,developing,and commercializing innovative immuno-oncology and precision medicines to address the unmet medical needs of cancer patients in China and worldwide. Established in 2015,CStone has assembled a world-class management team with extensive experience in innovative drug development,clinical research,and commercialization. The company has built an oncology-focused pipeline of 15 drug candidates with a strategic emphasis on immuno-oncology combination therapies. Currently,CStone has received three drug approvals in Greater China,including two in Mainland China and one in Taiwan. CStone's vision is to become globally recognized as a world-renowned biopharmaceutical company by bringing innovative oncology therapies to cancer patients worldwide.

For more information about CStone,please visit: www.cstonepharma.com

Forward-looking statement

The forward-looking statements made in this article only relate to events or information as of the date when the statements are made in this article. Except as required by law,we undertake no obligation to update or publicly revise 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. All statements in this article are made on the date of publication of this article and may change due to future developments.

Tags: Health Care/Hospital Medical/Pharmaceuticals Pharmaceuticals

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