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Delaying remedy for localized prostate most cancers doesn’t have an effect on long-term survival

March 13, 2023

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Hamdy FC, et al. N Engl J Med. 2023:doi:10.1056/NEJMoa2214122.

Hamdy experiences grants from CRUK, NIHR HTA and PCUK, in addition to serving as a guide with Intuitive Surgical UK. Please see the research for all different authors’ related monetary disclosures. Sartor experiences relationships with Superior Accelerator Functions, Amgen, AstraZeneca, Bayer, Clovis Oncology, Janssen Biotech, Merck, Novartis and several other different corporations.

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Key findings:

  • Prostate cancer-specific mortality appeared comparable amongst these assigned prostatectomy, radiotherapy or lively monitoring.
  • Mortality as a result of any trigger additionally appeared comparable no matter remedy project.

Males with localized prostate most cancers exhibited low danger for disease-specific mortality no matter their assigned remedy, based on research outcomes revealed in The New England Journal of Medication.

The findings — based mostly on median 15 years of follow-up — counsel the selection of lively monitoring, prostatectomy or radiotherapy needs to be based mostly on the tradeoffs between the advantages and potential harms of every method, researchers concluded.

Rates of death due to prostate cancer infographic

Information derived from Hamdy FC, et al. N Engl J Med. 2023:doi:10.1056/NEJMoa2214122.

Background and methodology

Early detection of and remedy methods for localized prostate most cancers have advanced significantly in recent times; nevertheless, illness administration stays controversial, based on research background.

Freddie C. Hamdy, FRCS, Nuffield professor of surgical procedure at College of Oxford’s Nuffield Division of Surgical Sciences, and colleagues aimed to evaluate the effectiveness of typical remedy approaches for localized prostate most cancers detected by PSA testing.

Researchers decided 82,429 males aged 50 to 69 years in the UK underwent PSA testing between 1999 and 2009. Of these males, 2,664 obtained a prognosis of localized prostate most cancers.

Greater than half (61.6%; n = 1,643) enrolled within the ProtecT trial, designed to guage the effectiveness of three remedy methods, with investigators randomly assigning males to prostatectomy (n = 553), radiotherapy (n = 545) or lively monitoring (n = 545).

Demise as a result of prostate most cancers served as the first final result. Secondary outcomes included demise as a result of any trigger, metastases, illness development or initiation of long-term androgen deprivation remedy.


The ultimate evaluation included 1,610 sufferers (98%) who accomplished follow-up.

Median follow-up was 15 years (vary, 11-21).

Danger-stratification evaluation revealed greater than one-third had both intermediate or high-risk illness at time of prognosis.

Outcomes confirmed 45 males (2.7%) died of prostate most cancers. These included 12 (2.2%) assigned prostatectomy, 16 (2.9%) assigned radiotherapy and 17 (3.1%) assigned lively monitoring. The between-group variations didn’t attain statistical significance.

About one in 5 males (21.7%; n = 356) died of any trigger, with comparable charges between remedy teams, based on investigators.

Researchers decided 104 males developed metastases, together with 26 (4.7%) within the prostatectomy group, 27 (5%) within the radiotherapy group and 51 (9.4%) within the lively monitoring group.

Outcomes confirmed 151 males began long-term ADT, together with 40 (7.2%) assigned prostatectomy, 42 (7.7%) assigned radiotherapy and 69 (12.7%) assigned lively monitoring.

Investigators reported scientific development charges of 10.5% within the prostatectomy group, 11% within the radiotherapy group and 25.9% within the lively monitoring group.

Researchers famous no variations in cancer-specific mortality based mostly on baseline PSA, tumor stage or grade, or risk-stratification rating.


The findings counsel prostate cancer-specific mortality on this inhabitants is low no matter remedy project, and that sufferers and clinicians ought to interact in cautious conversations to find out which method could also be greatest, researchers concluded.

“Longer-term follow-up to twenty years and past might be essential to proceed to guage potential differential results of assorted remedies,” Hamdy and colleagues wrote. “Our findings present proof that better consciousness of the restrictions of present risk-stratification strategies and remedy suggestions in pointers is required. Males with newly recognized, localized prostate most cancers and their clinicians can take time to fastidiously think about the trade-offs between harms and advantages of remedies when making administration choices.”

Energetic monitoring as carried out within the ProtecT trial ought to now not be used, Oliver Sartor, MD, professor of drugs at Tulane College College of Medication, wrote in an accompanying editorial.

“We are able to do higher by including serial multiparametric MRI assessments,” Sartor wrote. “The elevated price of metastasis that was famous within the lively monitoring group would probably be diminished with the lively surveillance protocols which can be getting used at the moment. …

“The administration of localized prostate most cancers has undergone a whole-sale change since 1999 when the ProtecT trial was began,” Sartor added. “Even so, the outcomes of this trial present precious knowledge to tell choice making within the giant group of males with low- to intermediate-risk prostate most cancers.”

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