preferred_name: Additional Agent/Treatment/Intervention and/or Concomitant Medication Used That is Not Permitted Per Protocol
preferred_name_lc: additional agent/treatment/intervention and/or concomitant medication used that is not permitted per protocol
label: Additional Agent/Treatment/Intervention and/or Concomitant Medication Used That is Not Permitted Per Protocol
label_lc: additional agent/treatment/intervention and/or concomitant medication used that is not permitted per protocol