Hutchmed (China) Limited Phase Ib/II Combination Study of HMPL-453

TIDMHCM

Hutchmed (China) Limited

04 February 2022

Press Release

HUTCHMED Initiates Phase Ib/II Study of HMPL-453 in Combination with Chemotherapy or Toripalimab for Advanced Solid Tumors in China

Hong Kong, Shanghai & Florham Park, NJ - Friday , February 4 , 2022: HUTCHMED (China) Limited ("HUTCHMED") (Nasdaq/AIM:HCM; HKEX:13) today announces that it has initiated a Phase Ib/II study in China of HMPL-453, an investigational novel selective inhibitor targeting fibroblast growth factor receptors ("FGFR") 1/2/3, in combination with chemotherapy or the anti-PD-1 therapy, toripalimab. The first patient received their first dose on January 22, 2022.

The clinical trial is a multi-center, two-stage, open-label study to evaluate the safety, tolerability, pharmacokinetics and preliminary efficacy profile of HMPL-453 combination therapy in patients with specific advanced or metastatic solid tumors.

The first stage of the study is a dose escalation phase to determine the dose limiting toxicity (DLT) and recommended Phase II dose ("RP2D") of HMPL-453 in combination with chemotherapy (gemcitabine and cisplatin) or toripalimab. The second stage of the study is a dose expansion phase in solid tumor patients with either gastric cancer, intrahepatic cholangiocarcinoma, or urothelial carcinoma, harboring specific FGFR gene alterations. Each solid tumor cohort will be treated with a specific combination of HMPL -- 453 and a chemotherapy or anti-PD-1 therapy to further evaluate the preliminary efficacy, safety and tolerability at the RP2D.

A Phase II study of HMPL-453 monotherapy is also underway in patients with advanced intrahepatic cholangiocarcinoma (IHCC) in China (clinicaltrials.gov identifier NCT04353375).

About HMPL--453

HMPL--453 is a novel, highly selective and potent inhibitor targeting FGFR 1, 2 and 3. Aberrant FGFR signaling has been found to be a driving force in tumor growth (through tissue growth and repair), promotion of angiogenesis and resistance to anti-tumor therapies. Abnormal FGFR gene alterations are believed to be the drivers of tumor cell proliferation in several solid tumor settings.

HUTCHMED currently retain all rights to HMPL-453 worldwide.

About HUTCHMED

HUTCHMED (Nasdaq/AIM: HCM; HKEX:13) is an innovative, commercial-stage, biopharma-ceutical company. It is committed to the discovery and global develop-ment and commercial-ization of targeted therapies and immuno-therapies for the treatment of cancer and immuno-logical diseases. It has more than 4,600 personnel across all its companies, at the center of which is a team of about 1,500 in oncology/ immunology. Since inception it has advanced 12 cancer drug candidates from in-house discovery into clinical studies around the world, with its first three oncology drugs now approved and marketed in China. For more information, please visit: www.hutch-med.com or follow us on LinkedIn.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements reflect HUTCHMED's current expectations regarding future events, includ-ing its expectations regarding the thera-peutic potential of HMPL-453, the further clinical develop-ment for HMPL-453, its expectations as to whether any studies on HMPL-453 would meet their primary or secondary endpoints, and its expectations as to the timing of the completion and the release of results from such studies. Forward-looking statements involve risks and uncertainties. Such risks and uncertainties include, among other things, assumptions regarding enrollment rates and the timing and availability of subjects meeting a study's inclusion and exclusion criteria; changes to clinical protocols or regulatory requirements; unexpected adverse events or safety issues; the ability of HMPL-453, including as a combination therapy, to meet the primary or secondary endpoint of a study, to obtain regulatory approval in different jurisdictions and to gain commercial acceptance after obtaining regulatory approval; the potential market of HMPL-453 for a targeted indication; the sufficiency of funding; and the impact of the COVID-19 pandemic on general economic, regulatory and political conditions. In addition, as certain studies rely on the use of gemcitabine, cisplatin, docetaxel and toripalimab as combination therapeutics with HMPL-453, such risks and uncertainties include assum-ptions regarding the safety, efficacy, supply and continued regulatory approval of these therapeutics. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. For further discussion of these and other risks, see HUTCHMED's filings with the U.S. Securities and Exchange Commission, The Stock Exchange of Hong Kong Limited and on AIM. HUTCHMED undertakes no obligation to update or revise the information contained in this press release, whether as a result of new information, future events or circumstances or otherwise.

CONTACTS

 
Investor Enquiries 
  Mark Lee, Senior Vice President     +852 2121 8200 
  Annie Cheng, Vice President         +1 (973) 567 3786 
 
Media Enquiries 
  Americas - Brad Miles,              +1 (917) 570 7340 (Mobile) 
   Solebury Trout                      bmiles@troutgroup.com 
  Europe - Ben Atwell / Alex Shaw,    +44 20 3727 1030 / +44 7771 913 902 (Mobile) / +44 7779 545 055 (Mobile) 
   FTI Consulting                      HUTCHMED@fticonsulting.com 
  Asia - Zhou Yi,                     +852 97 83 6894 (Mobile) 
   Brunswick                           HUTCHMED@brunswickgroup.com 
 
Nominated Advisor 
  Atholl Tweedie / Freddy Crossley, 
   Panmure Gordon (UK) Limited        +44 (20) 7886 2500

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February 04, 2022 04:29 ET (09:29 GMT)

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