MICROBIAL COLONIZATION

This early-phase study tests whether transferring a parent's nasal bacteria to a child can restore the child's nasal microbiome after antibiotic treatment for staph colonization. About 175 children under 18 who have completed staph treatment will receive the transplant. The goal …

This early-stage study tests if giving a newborn a dose of their parent's nasal bacteria can safely increase the variety of germs in the baby's nose. The goal is to see if this can help prevent dangerous infections like staph. The study involves 175 premature babies in the NICU a…

This study looks at whether removing certain food additives (like carrageenan and polysorbates) from the diet can help people with moderate ulcerative colitis. Seventy participants will be randomly assigned to either a normal healthy diet or one that avoids these additives for on…

This study tests whether taking synbiotics (a mix of probiotics and prebiotics) early in pregnancy can help women who have had a preterm birth before. The goal is to see if these supplements can stabilize the vaginal microbiome and reduce the chance of delivering too early. About…

This study looks at whether replacing sugary drinks with stevia-sweetened ones can help children ages 8 to 12 control their weight and improve metabolic health. About 150 kids who are normal weight or overweight will be randomly assigned to drink stevia, sugar, or water for 8 to …

This study tracks 20 adults with chronic hepatitis delta (a serious liver infection) who are starting a new drug called bulevirtide. Researchers want to see how the drug changes the gut's bacteria and bile acids over 48 weeks, and how those changes relate to inflammation and live…

This study looks at how two common mouthwashes (Listerine and Lumineux Oral Essentials) affect bacteria and three viruses in your mouth and gut. About 200 healthy adults aged 18-25 will rinse twice daily with one of the mouthwashes or water for 180 days. Researchers will collect …

This study aims to identify the normal bacteria living on the eye's surface and how they change in people with eye diseases like glaucoma or dry eye. Researchers will collect samples from 500 adults in Tennessee, including those with healthy eyes and those with specific eye condi…

This study looks at whether donor breast milk can help restore healthy gut bacteria in full-term babies born by C-section who need extra feeding. About 90 mothers and their infants will take part, with some babies getting donor milk and others getting formula. The goal is to see …