Could a poop transplant fix cancer treatment side effects?

This study looks at how the bacteria in your gut might cause stomach issues like diarrhea and colitis when you take certain cancer drugs called immune checkpoint inhibitors. Researchers will collect stool, blood, and tissue samples from 800 people with melanoma, lung cancer, or genitourinary cancers to understand these side effects. They will also test whether a fecal transplant (putting healthy donor stool into the patient) can help improve symptoms.