COLORECTAL CANCER SCREENING

This study compares a new technique called total underwater colonoscopy (TUC) with the standard gas method in 1,070 people undergoing colorectal cancer screening after a positive stool test. TUC uses water instead of gas to inflate the colon, which may make flat, hard-to-see poly…

This study is looking for better ways to detect colorectal cancer early by analyzing bacteria in stool samples. Researchers will collect samples from 30,000 people aged 40-74 in the Lisbon area and compare their gut microbiome with colonoscopy results. The goal is to find bacteri…

This study aims to create a blood test that can detect several types of gastrointestinal cancers—like liver, pancreatic, and colon cancer—at an early stage. Current screening methods are often invasive or not sensitive enough. The test looks for tiny molecules called miRNAs in th…

This study tests whether giving personalized diet and lifestyle advice to people at high risk for colorectal cancer helps them adopt healthier habits. About 800 participants who had a negative screening result will receive guidance based on cancer prevention recommendations. The …

This study compares two types of bowel preparation for colonoscopy: low-volume tablets (Suflave/Sutab) versus the standard liquid (Golytely). About 300 adults will be randomly assigned to one of the two options and will complete surveys about their experience. The goal is to find…

This study tests whether a culturally tailored education program helps more people complete colorectal cancer screening. About 50 adults aged 45-75 who are not up-to-date on screening will take part. The goal is to see if the program is practical, well-liked, and effective at inc…

This study tests whether using a patient's existing CT scan to guide the colonoscope can make the procedure faster, less painful, and easier for doctors. About 200 adults getting a colonoscopy will be randomly assigned to either standard colonoscopy or one assisted by their CT im…

This study looks at whether training general practitioners in a patient-centered approach helps patients make more informed decisions about colorectal cancer screening. About 400 patients aged 50 to 74 will take part, and researchers will compare how well doctors and patients sha…

This study talks to patients and health center staff to find out what makes it hard for people ages 45-54 to get screened for colorectal cancer. About 40 participants will be interviewed one time, either online or in person. The goal is to learn how to make screening easier and m…

This study tests a decision aid called Protect Your Colon™ to see if it helps people aged 45-75 who are due for colorectal cancer screening choose and complete a screening test. Half the participants will use the tool, and the other half will get usual care. The goal is to see if…

This study looks at why some people don't get a follow-up colonoscopy after a positive FIT (stool) test for colorectal cancer. Researchers will test simple strategies to help more people complete the colonoscopy, especially in underserved communities. About 45 adults aged 45-75 f…