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The prospective data collection initiative on on small bowel, colorectal and anal cancer - a prospective observational cohort study.

The main objectives of this project are:- To start a prospective observational cohort study of patients who have been diagnosed with CRC, small bowel and anal cancer and follow them from time of diagnosis until death.- To prospectively collect data…

VASCO study: A population-based prospective cohort study on vaccine effectiveness of COVID-19 vaccines in the Netherlands

The primary objective is to estimate product-specific vaccine effectiveness (VE) of the COVID-19 vaccines that are used in the Dutch national vaccination program against symptomatic SARS-CoV-2 infection by age and medical risk group at a time point…

Sequential imaging for suspicion of Prostate cancer Reducing Overdiagnosis and Unnecessary biopsy with Timely diagnosis of significant cancer

The primary objectives of this study are to evaluate the safety and effectiveness of a novel diagnostic approach applying PSA-density and MRI-imaging-based monitoring, as opposed to immediate prostate biopsy, in men with an intermediate risk of…