Suitability of PSA-detected localised prostate cancers for focal therapy: experience from the ProtecT study
2011

Focal Therapy for Prostate Cancer: A Study on Suitability

Sample size: 525 publication 10 minutes Evidence: moderate

Author Information

Author(s): Catto J W F, Robinson M C, Albertsen P C, Goepel J R, Abbod M F, Linkens D A, Davis M, Rosario D J, Warren A Y, Varma M, Griffiths D F, Grigor K M, Mayer N J, Oxley J D, Deshmukh N S, Lane J A, Metcalfe C, Donovan J L, Neal D E, Hamdy F C

Primary Institution: University of Sheffield, Sheffield, UK

Hypothesis

Can focal therapy be appropriately applied to men with PSA-detected localized prostate cancer?

Conclusion

Focal therapy is generally inappropriate for most men with PSA-detected localized prostate cancer, as many lesions are either more aggressive than expected or pose little threat of progression.

Supporting Evidence

  • 19% of men had solitary cancers suitable for focal therapy.
  • 33% of men had tumors potentially suitable for focal therapy.
  • 26% of men were overtreated based on selection criteria for focal therapy.

Takeaway

This study looked at men with prostate cancer and found that most of them are not good candidates for a less invasive treatment called focal therapy. Many have cancers that are either too serious or not serious enough for this treatment.

Methodology

The study analyzed surgical specimens from 525 men who underwent prostatectomy to determine tumor volume, location, and grade.

Potential Biases

The study avoided biasing the sample towards high-risk tumors by using a population-based cohort.

Limitations

The study may underestimate the proportion of solitary or insignificant cancers present in contemporary practices.

Participant Demographics

Men aged 50-69 years diagnosed with prostate cancer through PSA testing.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI: 6–16%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/bjc.2011.314

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