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Announcements & Press Releases, Oncology / Immunology | 1 Nov 2012

Hutchison MediPharma Limited initiates Phase I clinical study with its novel EGFR inhibitor Theliatinib

London: Wednesday, 31 October 2012: Chi-Med announced that Hutchison MediPharma Limited (“HMP”), its majority owned R&D company, initiated the first-in-human Phase I clinical trial of Theliatinib (HMPL-309).  This is the fourth oncology compound from the internal discovery programmes of HMP to enter into clinical development in China.  Theliatinib is a novel, orally active small molecule inhibitor targeting the wild type epidermal growth factor receptor (“EGFR”) or resistant EGFR tumours.  The first patient was dosed on 30 October 2012.

The primary objectives of the Phase I study are to evaluate its safety and tolerability in patients with advanced solid tumours and to determine its maximum tolerated dose.  This study will also evaluate its preliminary efficacy against non-small cell lung cancer (“NSCLC”), determine the pharmacokinetics of Theliatinib under single dose and repeat doses and explore the relationship between the Theliatinib’s activity and certain biomarkers.

In pre-clinical studies, Theliatinib demonstrated strong anti-tumour activity against EGFR wild type tumours at doses that are expected to be well tolerated. Theliatinib was also found to have good pharmacokinetic properties and a favourable safety profile.  These studies also exhibited good tissue distribution and stronger anti-tumour activity in EGFR wild type and EGFR resistant tumours, compared with first generation small molecule EGFR inhibitors.  “If these attributes are also demonstrated in clinical studies, we believe that Theliatinib could become an important therapy in this area,” said Christian Hogg, Chief Executive Officer of Chi-Med.





Christian Hogg, CEO

Telephone:      +852 2121 8200



Citigate Dewe Rogerson

Anthony Carlisle

David Dible

Telephone:      +44 20 7638 9571

Mobile:            +44 7973 611 888

Mobile:            +44 7967 566 919


Panmure Gordon (UK) Limited

Richard Gray

Andrew Potts

Grishma Patel

Telephone:      +44 20 7614 8383

Notes to Editors

About epidermal growth factor receptor (“EGFR”) and non-small cell lung cancer (“NSCLC”)

EGFR is a protein that is a cell-surface receptor for epidermal growth factors.  Activation of EGFR can lead to a series of downstream signalling activities that mediate tumour cell proliferation and the suppression of cell death.  Small molecule tyrosine kinase inhibitors of EGFR block these signals, limiting tumour cell growth and survival.

The estimated incidence of lung cancer worldwide was over 1.6 million in 2008, with over 520,000 cases in China.  Lung cancer is the most common cancer both worldwide and in China.

Gefitinib (Iressa™) and erlotinib (Tarceva™), first generation small molecule EGFR inhibitors, are used to treat NSCLC, particularly in patients with EGFR sensitive mutations.  Worldwide sales of Tarceva™ alone reached approximately US$1.4 billion in 2011.  However, EGFR mutations generally occur in 10-30% of NSCLC patients, with the range differing slightly by region.  Currently available EGFR inhibitors have been shown to be less effective in treating patients carrying the wild type EGFR compared to treating patients harbouring EGFR activating mutations.  Pre-clinical studies suggest that Theliatinib has potential in the treatment of NSCLC patients with wild type EGFR or resistance to gefitinib or erlotinib.


About HMP

HMP is a novel drug R&D company focusing on discovering, developing and commercialising innovative therapeutics in oncology and autoimmune diseases.  With a team of around 200 scientists and staff, its pipeline is comprised of novel oral compounds for cancer and inflammation in development in North America, Europe, Australia and Greater China.

HMP is majority owned by Chi-Med.


About Chi-Med

Chi-Med is the holding company of a healthcare group based primarily in China and was listed on the Alternative Investment Market of the London Stock Exchange in May 2006.  It is focused on researching, developing, manufacturing and selling pharmaceuticals and health oriented consumer products.

Chi-Med is majority owned by Hutchison Whampoa Limited, an international company listed on the Main Board of The Stock Exchange of Hong Kong Limited.