Loading...
Randomized trials of screening colonoscopy have been initiated in northern Europe, Spain, and the U.S.. In the Spanish and U.S. trials, participants not assigned to colonoscopy are undergoing fecal immunochemical testing (FIT). Researchers from the Spanish trial have now reported results from the first round of screening. Participation rates were lower in the colonoscopy group than the FIT group (25% vs. 34%). Of people who underwent FIT, 7% had positive tests that were followed by colonoscopy. In intention-to-screen analyses, colorectal cancer (CRC) was found in equal numbers of participants in the two groups (0.1%), but advanced adenomas were found in twice as many colonoscopy participants as FIT participants (2% vs. 1%).
In the U.S. Natio…