DIARRHEA

This study tests whether giving probiotics (good bacteria) to critically ill patients in the ICU can help prevent serious infections like pneumonia, bloodstream infections, and urinary tract infections. About 100 adults will receive either probiotics or a placebo. The goal is to …

This study tests whether replacing dirt floors with concrete in homes in rural Bangladesh can reduce gut infections in young children. About 800 households with a pregnant woman are taking part. Half get concrete floors, half do not. Researchers then track infections in the babie…

This study looks at whether certain health and wellness products can help with common stomach problems like gas, bloating, diarrhea, and constipation. About 550 adults in the U.S. will take either the product or a placebo (fake product) without knowing which they got. The goal is…

This study tests whether a fecal microbiota transplant (FMT) can safely reduce chronic diarrhea in people with systemic sclerosis, an autoimmune disease. Twenty adults will receive either FMT or a placebo, and researchers will track side effects and symptom changes. The goal is t…

This study tests whether a daily probiotic capsule (Bifidobacterium longum BBH016) can improve lower gut symptoms like abdominal pain, diarrhea, and bloating in adults. 88 participants will take either the probiotic or a placebo for 8 weeks. The goal is to see if this friendly ba…

This study looks at whether water safety plans can make drinking water safer and more reliable in rural Ghana. Researchers will check water quality, availability, and how satisfied people are with their water service. About 4,500 adults who are customers of participating water sy…

This study looks at whether treating private well water with ultraviolet (UV) light can lower the number of stomach illnesses in children under 5. About 900 families in Pennsylvania and New Jersey with private wells will use either a real UV device or a fake one. Researchers will…