Clostridioides difficile (C. difficile) is a bacterium (germ) that can spread from one person to another causing severe diarrhea (watery poop) that at its worst can lead to death. Pfizer has been studying an investigational vaccine to prevent diarrhea caused by C. difficile. To be part of this study you must be 65 years old or older and have one or more of…
The study drug (TSR-042) in this study is designed to stop cancer from growing by helping your immune system recognize and fight the cancer. The Study Drug is designed to help your immune system by attaching to a protein called PD-1 and stopping one of the signals that keeps your immune system from recognizing the cancer. This may help your immune system…