Many Breast Cancer Patients May Not Need Chemotherapy

Медики впервые заставили иммунитет полностью уничтожить рак груди

Медики впервые заставили иммунитет полностью уничтожить рак груди

The TAILORx study, led by the Montefiore Medical Centre in NY, found women older than 50 with this form of breast cancer and a score of up to 25 did not need chemotherapy.

The study, funded by the National Cancer Institute, foundations and proceeds from the USA breast cancer postage stamp, is the latest development in a national trend on cancer treatments.

The results from the phase 3 TAILORx study were presented at the 2018 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago, and are published in The New England Journal of Medicine. For the past several years, cancer care has been evolving away from chemotherapy - older drugs with harsh side effects - in favor of gene-targeting therapies, hormone blockers and immune system treatments. Women with low risk scores - those below 10 - don't need chemotherapy after surgery, and instead can be treated with hormone therapy, previous studies have found. If chemotherapy is used now, it's often used in lower doses and for shorter periods.

"One of the challenges that we've had in breast cancer is we thought once size fit all, and everyone was getting too much treatment", Olopade said.

A new USA study, TAILORx, has shown that up to 70% of these women could avoid this painful treatment, which has multiple side effects.

"I'd make sure women are educated about the new results especially when they talk to their Oncologist about what additional treatment beyond surgery is needed" said Abraham. And for those with scores of 26 or above, 13 percent went on to develop metastatic cancer despite receiving both hormonal treatment and chemotherapy, the team said. We owe those who took part in this trial our thanks. Results from the prospective study, called Trial Assigning Individualized Options for Treatment (TAILORx), showed that for women whose tumors are hormone-receptor-positive, human epidermal growth factor receptor 2 (HER2)-negative, axillary node-negative, and generate intermediate scores on the 21-gene Oncotype DX recurrence-score assay, hormone therapy was just as effective at preventing disease recurrence as hormone therapy plus chemotherapy.

But, researchers say some women 50 and younger in high-risk groups might still need chemo.

Will people trust the results?

"The study should have a huge impact on doctors and patients", Dr. Albain said.

In addition to having their tumors removed, the women in the study underwent a genetic test called Oncotype DX, manufactured by California-based Genomic Health.

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The Oncotype DX genetic test has been available on the NHS since 2013, but the National Institute for Health and Care Excellence (Nice) is now updating its guidance on whether it should be recommended for use. "I eat healthy. What?'" said Robyn Tuttle, who is now cancer free.

For those who fall in between - which includes most women - there was no clear evidence on whether they need chemotherapy.

Professor Arnie Purushotham, senior clinical advisor at Cancer Research UK, said that by grouping patients based on how likely their cancer is to return, the trial shows great potential to ensure treatment is kinder without compromising its effectiveness.

This was particularly true for women between the ages of 50 and 75.

So for now, this is an extremely promising study, but it's still just one case.

"I was a little relieved". "Our uncertainty is over", she says.

For the treatment, the doctors, first cut small pieces of tissue from her tumor and studied it.

The soldiers or the white blood cells are now extracted and the ones that can specifically fight the cancer are identified and isolated.

Ms Perkins had 62 mutations in her tumour cells.

The Associated Press Health & Science Department receives support from the Howard Hughes Medical Institute's Department of Science Education.

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