‘Master switch’ experimental drug could treat different cancers
Tuesday 10 July 2012
Cancer Research UK Press Release
A unique multi-target experimental drug could treat a range of cancer types, according to research published in Clinical Cancer Research today.
Cancer Research UK-funded work at The Institute of Cancer Research in London shows that AT13148 – a type of drug called a kinase inhibitor – operates like a master switch to simultaneously block several different enzymes that control cancer cell growth and cell death.
Many kinase inhibitors have been developed that block only a single enzyme, but so far these drugs have shown only limited effectiveness. Scientists hope that switching off cell signals at multiple points could make the drug more likely to benefit patients and also delay drug resistance.
Lead author Dr Michelle Garrett, team leader in the Cancer Research UK Cancer Therapeutics Unit at The Institute of Cancer Research, said: “Our study shows that this drug is effective against a range of tumour types, and operates by blocking multiple targets. These promising results have led to the decision to take the drug into patient trials.”
The molecule was originally discovered by scientists on the PKB drug discovery programme, a collaboration between Astex Pharmaceuticals, Cancer Research Technology and The Institute of Cancer Research, which ran from 2003 through to 2006. The collaboration generated a series of compounds, of which a preferred candidate was then selected.
Dr Julie Sharp, Cancer Research UK’s senior science information manager, said: “This is exciting research showing that this experimental drug does the job of several drugs all at once, by targeting numerous weak spots in cancer cells.
“Using one master switch to turn off the different faulty messages forcing cancer cells to keep growing could be an effective way to destroy tumours. It could also reduce the chance of patients becoming resistant to treatment."
For media enquiries please contact the press office on 020 3469 8300 or, out-of-hours, the duty press officer on 07050 264 059.
- Yap et al. AT13148 is a novel, oral multi-AGC kinase inhibitor with potent pharmacodynamic and antitumour activity. Clinical Cancer Research (2012). DOI: 10.1158/1078-0432.CCR-11-3313
Notes to editors
The experimental drug is owned by Astex Pharmaceuticals.
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