UK scientists from the University of Oxford believe a special type of fluorescent dye could significantly aid surgeons in pinpointing and excising prostate cancer cells.
Successfully removing all cancerous tissue is essential to reduce the risk of recurrence. This innovative dye targets a protein unique to cancer cells, making them glow and thereby easier to identify.
In an initial trial involving 23 men, the dye enabled surgeons to detect cancerous tissues that were not visible through conventional methods.
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Surgeons found cancer cells that had spread to adjacent tissues and lymph nodes, areas they might have overlooked otherwise. This trial, the first of its kind in the UK, has had its findings published in the European Journal of Nuclear Medicine and Molecular Imaging.
A more extensive trial, funded by Cancer Research UK (CRUK) and named the Promote study, is now planned to further evaluate the dye’s effectiveness.
Lead researcher Professor Freddie Hamdy told the BBC that while it is too early to determine the dye’s universal efficacy, the initial results are “promising.” He noted that in many cases, the dye revealed cancer that would have otherwise gone undetected.
“This technique allows us to remove all cancerous cells, including those that have metastasized, reducing the risk of recurrence,” Hamdy explained. He emphasized the importance of identifying unseen cancer cells and suggested that this method could help preserve more healthy tissue, potentially minimizing side effects such as erectile dysfunction and incontinence.
David Butler from Bradford, West Yorkshire, who participated in the trial, shared his positive experience.
The dye detected cancer in his lymph nodes and bladder, and following surgery and radiotherapy, he has been cancer-free. “I consider myself very fortunate,” Butler remarked.
Prostate cancer is the most common cancer among men in the UK, with approximately 52,300 new cases annually.
Dr. Iain Foulkes, executive director of research and innovation at CRUK, highlighted the need for better diagnostic tools to detect cancers that have begun to spread.
He believes the dye and imaging system developed in this research could revolutionize prostate cancer treatment and potentially be adapted for other cancer surgeries in the future.
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