investigational study participated therapy device participating currently agent used receiving 
investigational participated device agent participating currently using study weeks dose 
agents receiving participants study patients concurrently currently treatment weeks prior 
neoplasm agent considered primary investigational receiving treatment registration currently prior 
agent investigational receiving patients currently received weeks days agents study 
currently agents investigational receiving vaccines received weeks patients previous tumor 
cmv vaccine investigational anti time prior agent received activity recipient 
participants agents investigational receiving stratum study days cancer treatment received