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HomeHealth ConditionsCancerWhich patients benefit from prostate cancer surgery?

Which patients benefit from prostate cancer surgery?

A 29-year follow-up study in men with prostate cancer investigated which patients benefit from prostate cancer surgery compared with only treating symptoms.

Prostate cancer is one of the most common cancers in men worldwide, mostly affecting older men. The prostate is part of the male reproductive system. It is a small walnut-sized gland that surrounds the upper part of the urethra (the outflow tube of the bladder). It produces the seminal fluid that carries sperm.

Symptoms of prostate cancer may not appear until advanced stages

Prostate cancer usually grows very slowly, and may not cause any symptoms until it is at an advanced stage – most men with prostate cancer die of other causes. Prostate cancer surgery can reduce mortality in men with localized prostate cancer. However, there is limited long-term evidence of which patients will benefit from surgery compared to a more conservative approach of treating any symptoms and monitoring their condition – a term called “watchful waiting”.

Researchers in Scandinavia analyzed the findings of a 29-year follow-up study of men with prostate cancer randomized to prostate cancer surgery or watchful waiting. They recently published their findings in the New England Journal of Medicine. In the Scandinavian Prostate Cancer Group Study Number Four (SCPG-4), conducted between 1989 and 1999, the researchers randomly assigned 695 men with localized prostate cancer to either radical prostate cancer surgery or the treatment of symptoms only.

Patients were followed-up every six months for the first two years, and then annually until 2017. The researchers compared the incidence and relative risk of death from any cause and death from prostate cancer. They also compared metastasis (cancer spread) and estimated the number of years of life gained by surgical treatment.

After 29 years’ follow-up 80% of the men in the study had died, in 32% of these deaths was due to prostate cancer. The study showed that 12% of those who had surgery had been saved from dying of prostate cancer, 19% had incurable cancer, but the majority of the men in the surgical group had died from other causes. Men who had surgery lived on average 2.9 years longer than the men who received treatment for symptoms only.

Study suggests considering surgery only with signs of advanced cancer

The researchers concluded that whilst otherwise healthy men with localized advanced prostate cancer may benefit from surgery, many men never suffered a serious relapse from prostate cancer or died from the disease. It is crucial to find a balance between the benefits from prostate cancer surgery and the risk of its side effects. This is particularly important since screening tests for prostate cancer now mean that many more men are being diagnosed with early nonlethal prostate cancer, who will never suffer life-threatening symptoms. The researchers suggest that, compared to the pre-screening era, more men with prostate cancer should be actively followed and only considered for surgery if signs of advanced cancer appear.

Written by Julie McShane, Medical Writer

References

  1. Bill-Axelson A, Holmberg L, Garmo H et al. Radical prostatectomy or watchful waiting in prostate cancer – 29-year follow up. N Engl J Med2018;379:2319-29. DOI:10.1056/NEJMoa1807801
  2. Press release. Surgery unnecessary for many prostate cancer patients. Uppsala University https://www.eurekalert.org/pub_releases/2018-12/uu-suf121218.php
Julie Mcshane MA MB BS
Julie Mcshane MA MB BS
Julie studied medicine at the Universities of Cambridge and London, UK. Whilst in medical practice, she developed an interest in medical writing and moved to a career in medical communications. She worked with companies in London and Hong Kong on a wide variety of medical education projects. Originally from Ireland, Julie is now based in Dublin, where she is a freelance medical writer. She enjoys contributing to the Medical News Bulletin to help provide a source of accurate and clear information about the latest developments in medical research.
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