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  • Researchers develop a...

Researchers develop a promising breath-test for detection of cancer

Hina ZahidWritten by Hina Zahid Published On 2020-10-08T08:30:52+05:30  |  Updated On 8 Oct 2020 8:53 AM GMT
Researchers develop a promising breath-test for detection of cancer
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The Flinders University researchers have sought to determine the diagnostic accuracy of breath analysis as a non-invasive test for detecting cancer. Due to this the global quest to use a person's breath analysis for rapid, inexpensive and accurate early-stage testing for cancer and other diseases has taken a leap forward.Improving the ability to identify early-stage head and neck squamous...

The Flinders University researchers have sought to determine the diagnostic accuracy of breath analysis as a non-invasive test for detecting cancer. Due to this the global quest to use a person's breath analysis for rapid, inexpensive and accurate early-stage testing for cancer and other diseases has taken a leap forward.Improving the ability to identify early-stage head and neck squamous cell carcinoma (HNSCC) can improve treatment outcomes and patient morbidity.

In a new paper in the British Journal of Cancer,researchers have reported significant progress in developing a method to test exhaled breath profiles which accurately differentiate head and neck cancer from non-cancer patients.

The Australian researchers collected breath samples from 181 patients suspected of having early-stage head and neck squamous cell carcinoma (HNSCC) before any treatment began.

"We sought to determine the diagnostic accuracy of breath analysis as a non-invasive test for detecting head and neck cancer, which in time may result in a simple method to improve treatment outcomes and patient morbidity," says lead researchers Dr. Roger Yazbek and Associate Professor Eng Ooi.

Worldwide, head and neck cancer accounts for 6% of all cancers, killing more than 300,000 people per year globally. Tobacco, alcohol and poor oral hygiene are known major risk factors for this cancer.

A surge in human papilloma virus (HPV)-associated head and neck cancers is seeing these cancers affecting a much younger population, the researchers say.

Current therapies are effective at treating early-stage disease, however late-stage presentations are common, and often associated with poor prognosis and high treatment-related morbidity.

In the Australian study, a selected ion flow-tube mass spectrometer was used to analyze breath for volatile organic compounds. Using statistical modeling, the Flinders researchers were able to develop a breath test that could differentiate cancer and control (benign disease) patients, with an average sensitivity and specificity of 85%.

Diagnosis was confirmed by analysis of tissue biopsies.

"With these strong results, we hope to trial the method in primary care settings, such as GP clinics, to further develop its use in early-stage screening for HNSCC in the community," says co-lead author Dr. Nuwan Dharmawardana.

https://www.nature.com/articles/s41416-020-01051-9


british journal of cancerbreath-testhuman papilloma viruscancer
Source : British Journal of Cancer
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

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