New blood test screening technique could pick up twice as many women with ovarian cancer

New ovarian cancer blood test is promising – but screening still a way off

image of blood-test
A new screening test that tracks changing levels of a protein in the blood can detect twice as many ovarian cancers as conventional methods, research has shown.

A new screening method can detect twice as many women with ovarian cancer as conventional strategies, according to the latest results from the largest trial of its kind led by UCL.

The method uses a statistical calculation to interpret changing levels in women’s blood of a protein called CA125, which is linked to ovarian cancer. This gives a more accurate prediction of a woman’s individual risk of developing cancer, compared to the conventional screening method which uses a fixed ‘cut-off’ point for CA125. The new method detected cancer in 86% of women with invasive epithelial ovarian cancer (iEOC), whereas the conventional test used in previous trials or in clinical practice would have identified fewer than half of these women (41% or 48% respectively).

The results come from analysis of one arm of the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS), the world’s largest ovarian cancer screening trial, led by UCL and funded by the Medical Research Council, Cancer Research UK, Department of Health and The Eve Appeal. The trial involved 202,638 post-menopausal women aged 50 or over who were randomly assigned to two different annual screening strategies (multimodal screening or transvaginal ultrasound) or no test at all.

Sources and more information
  • New screening technique could pick up twice as many ovarian cancer cases, University College London, 5 May 2015.
  • New ovarian cancer blood test is promising – but screening still a way off, cancerresearchuk, May 5, 2015.
  • New ovarian cancer test twice as effective as existing methods, guardian, 4 May 2015.

Author: DES Daughter

Activist, blogger and social media addict committed to shedding light on a global health scandal and dedicated to raise DES awareness.

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