3 research outputs found
A Detailed Evaluation of the Effect of Prostate-specific Antigenâbased Screening on Morbidity and Mortality of Prostate Cancer:21-year Follow-up Results of the Rotterdam Section of the European Randomised Study of Screening for Prostate Cancer
Background: Considering the long natural history of prostate cancer (PCa), long-term results of the European Randomised Study of Screening for PCa (ERSPC) are crucial. Objective: To provide an update on the effect of prostate-specific antigen (PSA)-based screening on PCa-specific mortality (PCSM), metastatic disease, and overdiagnosis in the Dutch arm of the ERSPC. Design, setting, and participants: Between 1993 and 2000, a total of 42 376 men, aged 55â74 yr, were randomised to a screening or a control arm. The main analysis was performed with men aged 55â69 yr (n = 34 831). Men in the screening arm were offered PSA-based screening with an interval of 4 yr. Outcome measurements and statistical analysis: Intention-to-screen analyses with Poisson regression were used to calculate rate ratios (RRs) of PCSM and metastatic PCa. Results and limitations: After a median follow-up of 21 yr, the RR of PCSM was 0.73 (95% confidence interval [CI]: 0.61â0.88) favouring screening. The numbers of men needed to invite (NNI) and needed to diagnose (NND) to prevent one PCa death were 246 and 14, respectively. For metastatic PCa, the RR was 0.67 (95% CI: 0.58â0.78) favouring screening. The NNI and NND to prevent one metastasis were 121 and 7, respectively. No statistical difference in PCSM (RR of 1.18 [95% CI: 0.87â1.62]) was observed in men aged â„70 yr at the time of randomisation. In the screening arm, higher rates of PCSM and metastatic disease were observed in men who were screened only once and in a selected group of men above the screening age cut-off of 74 yr. Conclusions: The current analysis illustrates that with a follow-up of 21 yr, both absolute metastasis and mortality reduction continue to increase, resulting in a more favourable harm-benefit ratio than demonstrated previously. These data do not support starting screening at the age of 70â74 yr and show that repeated screening is essential. Patient summary: Prostate-specific antigenâbased prostate cancer screening reduces metastasis and mortality. Longer follow-up shows fewer invitations and diagnoses needed to prevent one death, a positive note towards the issue of overdiagnosis.</p
Secondary Treatment for Men with Localized Prostate Cancer : A Pooled Analysis of PRIAS and ERSPC-Rotterdam Data within the PIONEER Data Platform
Funding: PIONEER is funded through the IMI2 Joint Undertaking and is listed under grant agreement No. 777492. This joint undertaking receives support from the European Unionâs Horizon 2020 research and innovation program and EFPIA. The views communicated within are those of PIONEER. Neither the IMI nor the European Union, EFPIA, or any Associated Partners are responsible for any use that may be made of the information contained herein.Peer reviewe
What is an acceptable false negative rate in the detection of prostate cancer?
Background: In prostate cancer (PCa) screening men and their physicians aim to rule out the presence of potentially life threatening PCa. To date, prostate specific antigen (PSA) testing and systematic prostate biopsy (Bx)-in case of an elevated PSA-are still the main modes of PCa detection. Often uncertainty remains when a PSA-test is 3.0 ng/mL), but no PCa detected at that time. In addition, we addressed PCa mortality and PCa diagnosis for men with a negative PSA test and negative Bx, who were retested every 4 years covering a 15-year follow-up. Results: A total of 14,935 men had PSA < 3.0 ng/mL in the initial screening round, of whom 75 (0.5%) were diagnosed with csPCa at a subsequent screening examination and 2 ( < 0.1%) in the 4-year screening interval. For 2,260 men with a previously negative Bx at first screening, the figures were 17 (0.8%) and 2 (0.1%) respectively. Indolent PCa (Gleason â„3+3) was diagnosed in 312 (2%) men with PSA < 3.0 ng/mL initially and 115 (5%) men with initial negative Bx. After a 15-year follow-up, 45 (0.3%) PCa deaths occurred in men with initially low PSA, and 29 men (0.2%) had metastasis. For men with negative Bx, 11 (0.5%) PCa deaths occurred and 4 (0.2%) experienced metastasis. Conclusions: The false negative rates for men with PSA < 3.0 ng/mL and negative sextant Bx are extremely low but not negligible. Proper risk stratification before deciding to biopsy is expected to hardly miss any clinical significant PCa diagnosis. This is especially relevant with the increased use of the relatively expensive multi-parametric magnetic resonance imaging (mpMRI) guided targeted Bx procedures