Freeze-Dried Black Raspberries in Preventing Oral Cancer Recurrence in High At-Risk Appalachian Patients Oral Cancer Survivors

This pilot clinical trial studies freeze-dried black raspberries (BRB) in preventing oral cancer recurrence in high at-risk Appalachian patients previously treated with surgery for oral cancer. Chemoprevention is the use of drugs natural products to keep cancer from developing, progressing, or recurring. Giving freeze-dried black raspberries may prevent oral cancer from forming or returning in oral cancer survivors.