Edith Baker of Plainville faced a devastating reality that patients with advanced cancer inevitably confront. She had stopped responding to conventional treatment. Radiation and chemotherapy could no longer contain her stage 4 bladder cancer. But there was a ray of hope. Baker’s oncologist at Saint Francis Hospital and Medical Center referred her to a clinical trial at UConn Health involving two immunotherapy drugs: the FDA-approved Keytruda (pembrolizumab) from Merck & Co., credited with successfully treating former President Jimmy Carter’s melanoma; and Epacadostat (IDO1 inhibitor), an experimental drug from Incyte Corp.