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Prostate cancer screening by PSA does not improve overall mortality : BMJ


Prostate cancer screening by PSA does not improve overall mortality : BMJ

Prostate cancer screening with prostate-specific antigen (PSA) testing may result in a small absolute benefit in disease-specific mortality over 10 years but does not improve overall mortality, according to a systematic review published in the journal The BMJ.

The investigators further suggest that these benefits need to be weighed against the potential short and long-term harms of PSA screening, including complications from biopsies and subsequent treatment and the risk of overdiagnosis and overtreatment.

Prostate cancer is the second most common cancer and the fifth leading cause of cancer-associated mortality among men worldwide. Screening for prostate cancer with serum prostate-specific antigen (PSA) aims to detect prostate cancer at an early, intervenable stage amenable to curative treatment and reduction in overall and disease-specific mortality

Dragan Ilic and associates conducted a systematic review and meta-analysis. to investigate the efficacy and safety of prostate-specific antigen (PSA) testing to screen for prostate cancer.

Read Also:Hormone Therapy Can Make Prostate Cancer Worse

The investigators selected the study which included randomized controlled trials comparing PSA screening with usual care in men without a diagnosis of prostate cancer. Five randomized controlled trials, enrolling 721 718 men, were included.

Key study findings:

  • When considering the whole body of evidence, screening probably has no effect on all-cause mortality and may have no effect on prostate-specific.
  • Sensitivity analysis of studies at lower risk of also demonstrates that screening seems to have no effect on all-cause mortality but may have a small effect on prostate-specific mortality.
  • This corresponds to one less death from prostate cancer per 1000 men screened over 10 years.
  • Using modeling, the authors estimated that for every 1000 men screened, approximately 1, 3, and 25 more men would be hospitalized for sepsis, require pads for urinary incontinence, and report erectile dysfunction, respectively.

“Based on the moderate and low-quality evidence, PSA screening seems to increase the detection of prostate cancer of any stage, increases the detection of stage I and II prostate cancer, and slightly decreases the detection of stage III and IV prostate cancer. At the same time, it probably modestly reduces prostate cancer-specific mortality but has no effect on overall mortality”, write the authors.

For reference log on to https://doi.org/10.1136/bmj.k3519

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Vinay Singh

Vinay Singh

Vinay Singh joined Medical Dialogue as Desk Editor in 2018. He covers the medical speciality news in different medical categories including Medical guidelines, updates from Medical Journals and Case Reports. He completed his graduation in Biotechnology from AAIDU and did his MBA from IILM Gurgaon. He can be contacted at editorial@medicaldialogues.in . Contact no. 011-43720751
Source: With inputs from The BMJ

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