Background The European Randomized study of Screening for Prostate Cancer (ERSPC) is a randomized multi-center trial with a predefined centralized database, analysis plan and core age group (55–69 years) evaluating prostate-specific antigen (PSA) testing in eight European countries. Methods The present results are based on prostate cancer (PCa) incidence and mortality truncated at 9, 11, and 13 years of follow-up in the intervention arm (offered PSA testing) relative to the control arm. A secondary analysis corrected for selection bias due to non-participation was performed. Because of incomplete follow-up, only incidence and no mortality data at 9 years follow-up are reported for the French centers. Findings The rate ratio (RR) of PCa incidence between the intervention and control arms was 1.91 after 9 years (1.64 including France), 1.66 after 11 years and 1.57 after 13 years. The RR of PCa mortality was 0.85, 0.78 and 0.79 at 9, 11 and 13 years respectively (95% confidence interval 13-year 0.69–0.91, p = 0.001). This corresponds to a relative risk reduction of 21% and an absolute risk reduction of death from PCa at 13 years of 0.11 per 1,000 person-years or 1.28 per 1,000 men randomized, which is equivalent to one PCa death averted per 781 men invited for screening or one per 27 additional PCa detected. PCa mortality reduction in screened men after adjustment for non–participation was 27%. Interpretation This update of ERSPC confirms a substantial PCa mortality reduction due to PSA testing, with a substantially increased absolute effect at 13 years compared to findings after 9 and 11 years. Funding All sources of funding per center are indicated in the “Web extra material” section. Trial identification This trial is registered under Current Controlled Trials number: ISRCTN49127736.

Summary Background Several trials have evaluated the effect of prostate-specific antigen (PSA)-based screening on prostate cancer (PC) mortality, with conflicting results. We report on the mortality in the European Randomized Trial of Screening for Prostate Cancer (ERSPC) with two added years of follow-up. Methods The ERSPC is a randomized screening trial in men aged 50 – 74 years (N=182,160) at entry, with a predefined core age group of 55 – 69 years (N=162,388) conducted in eight European countries Men randomized to the intervention arm were offered prostate specific antigen (PSA)-based screening while those in the control arm were not offered screening. The primary outcome is PC mortality. Results After a median follow-up of 11 years the relative risk reduction for PC death in the intention to screen analysis was 21% (risk ratio 0.79, 95%CI 0.68 – 0.91, p=0.001), and 29% for screened men after correction for non-compliance in the core age group. The absolute difference in mortality amounted to 0.10 per 1000 person years or 1.07 per 1000 men randomized. The rate ratio of PC mortality during the follow-up years 10 -11 was 0.62 (95% CI 0.45 – 0.85, P=0.003). The numbers needed invite (NNI) and detect (NND) to prevent one PC death amounted to 1055 and 37 at 11 years of follow-up and 936 and 33 for the entire follow-up. There was no difference in all-cause mortality. Conclusions Two added years of follow-up consolidate our previous finding that PSA-based screening reduces PC mortality but does not affect all cause mortality. (The trial is registered in the ISRCTN registry under number 49127736.)

Background: The European Randomized study of Screening for Prostate Cancer (ERSPC) has previously demonstrated that prostate-specific antigen (PSA) screening decreases prostate cancer (PCa) mortality. Objective: To determine whether PSA screening decreases PCa mortality for up to 16 yr and to assess results following adjustment for nonparticipation and the number of screening rounds attended. Design, setting, and participants: This multicentre population-based randomised screening trial was conducted in eight European countries. Report includes

Glucagon-like peptide-1-(7-36)-amide (GLP-1) is involved in satiety control and glucose homeostasis. Animal studies suggest a physiological role for GLP-1 in water and salt homeostasis. This study's aim was to define the effects of GLP-1 on water and sodium excretion in both healthy and obese men. Fifteen healthy subjects and 16 obese men (mean body mass index, 36 kg/m2) were examined in a double-blind, placebo-controlled, crossover study to demonstrate the effects of a 3-h infusion of GLP-1 on urinary sodium excretion, urinary output, and the glomerular filtration rate after an i.v. 9.9-g salt load. Infusion of GLP-1 evoked a dose-dependent increase in urinary sodium excretion in healthy subjects (from 74 +/- 8 to 143 +/- 18 mmol/180 min, P = 0.0013). In obese men, there was a significant increase in urinary sodium excretion (from 59 to 96 mmol/180 min, P = 0.015), a decrease in urinary H+ secretion (from 1.1 to 0.3 pmol/180 min, P = 0.013), and a 6% decrease in the glomerular filtration rate (from 151 +/- 8 to 142 +/- 8 ml/min, P = 0.022). Intravenous infusions of GLP-1 enhance sodium excretion, reduce H+ secretion, and reduce glomerular hyperfiltration in obese men. These findings suggest an action at the proximal renal tubule and a potential renoprotective effect.

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