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Главная arrow Новости arrow A quarter of advanced lung cancer patients still not tested for EGFR mutations - UNDER EMBARGO
A quarter of advanced lung cancer patients still not tested for EGFR mutations - UNDER EMBARGO Версия для печати Отправить на e-mail
13.05.2015

PRESS RELEASE

                EMBARGOED until Friday, 17 April 2015, 16:30 hours (CEST)       

A quarter of advanced lung cancer patients

still not tested for EGFR mutations

Lack of testing may impact treatment effectiveness and survival,

survey in Europe, Asia and US reveals

Geneva, Switzerland, 17 April 2015 -- Almost one in four patients with advanced lung cancer in Europe, Asia and the US are not receiving appropriate testing for mutations in the EGFR gene, potentially leading to suboptimal outcomes, researchers report at the European Lung Cancer Conference (ELCC) in Geneva, Switzerland.

Medical Oncologist James Spicer from King's College London at Guy's Hospital, London, and colleagues studied how widely hospitals had implemented testing for mutations in the epidermal growth factor receptor gene among lung cancer patients.

Targeted therapies can more effectively treat cancers that are known to carry such mutations, Dr Spicer said. However anecdotal evidence had suggested the tests required to clarify a mutation status in patients had not always been conducted, Spicer said.

"The arrival of a new group of targeted EGFR inhibitors for the treatment of lung cancer driven by mutations in the EGFR gene has brought with it a new requirement for diagnostic laboratories to implement genetic testing,” he explained. “For many institutions this has represented a significant departure from traditional pathology, which had previously focused only on microscopic examinations of tumour tissue.”

“The new skills and investment required to deliver this new molecular pathology have understandably taken time to become universally available. Furthermore, the new clinical data

underlying these developments has mandated a change in clinical practice, particularly the adoption of new treatment approaches in newly diagnosed patients‎, and these changes have been adopted with variable speed around the world.”

Ideally, all patients with non-small cell lung cancer of non-squamous ‎histology who are fit for treatment of advanced disease should undergo EGFR mutation tests, Spicer explained. This should be done in a timely manner so as not to delay first-line treatment choices.

To examine the real-world situation, he and colleagues conducted an online survey of 562 oncologists in 10 countries (Canada, France, Germany, Italy, Japan, South Korea, Spain, Taiwan, UK and USA) between December 2014 and January 2015.

"We found that in both Europe and North America almost a quarter of patients are not tested for EGFR, and up to a further fifth of patients are tested but results are not available at the time the treatment decision is made,” Spicer said.

"Not only were some suitable patients not ‎tested at all for EGFR mutations, some patients did undergo testing, but the treatment decision about whether to give an EGFR inhibitor or chemotherapy as first-line treatment was taken without reference to the result."

For some patients, not being tested may adversely affect their treatment outcomes, Spicer said. “Indeed, some recent clinical trial evidence suggests that this may even be compromising access to treatment that is associated with an overall survival benefit."

Commenting on the study, Prof Silvia Novello from the Department of Oncology at the University of Turin, Italy, member of the IASLC Board of Directors, said a particular strength of the study was its international nature.  “It was interesting that the authors were able to show that

EGFR mutation testing was requested prior to first-line therapy in 81% of patients with stage IIIb/IV non-small cell lung cancer and that results were demonstrated to be available before administration of treatment in 77% of cases,” she said. The interpretation of the findings however is limited by the fact that it is a survey-based report rather than an observational trial.

Respondents to the survey said a lack of sufficient tissue, a long turn-around time for testing and the poor performance status of the patient were among the reasons for non-testing and non respecting completely the IASLC guidelines. “The first two reasons are partially related to an incomplete integration of multidisciplinary oncology teams, while the third one can be attributed to an imperfect knowledge of data regarding the use of EGFR inhibitors,” Novello said.

-END-

Notes to Editors

Disclaimer

Information contained in this press release was provided by the lecture authors. It does not necessarily express ESMO's or IASLC’s point of view.

About the European Society for Medical Oncology (ESMO)

The European Society for Medical Oncology (ESMO) is the leading European professional organisation committed to advancing the specialty of medical oncology and promoting a multidisciplinary approach to cancer treatment and care.

ESMO’s mission is to advance cancer care and cure through fostering and disseminating good science that leads to better medicine and determines best practice.

To find out more about ESMO, please visit: www.esmo.org 

About the International Association for the Study of Lung Cancer (IASLC)

The International Association for the Study of Lung Cancer (IASLC) is the only global organisation dedicated to the study of lung cancer. Founded in 1974, the association’s membership includes more than 3,500 lung cancer specialists in 80 countries.

To learn more about IASLC please visit www.iaslc.org

Abs. LBA2_PR

EGFR mutation testing and oncologist treatment choice in advanced NSCLC: Global trends and differences   J.Spicer, UK

To be presented at ELCC 2015 on Friday 17.04.2015 from 16:30 to 18:00 “ESMO-IASLC Best Abstract” Session

 
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