{"denomUnitsSelected":"Participants","description":"Progressive Disease (PD)-Free Interval (Duration of Response): measured, in a responder, from the date when a Complete Response, Complete Response, unconfirmed (CRu), or Partial Response (PR) is first noted to the first date at which progressive disease is observed. An ongoing PD-free interval occurs when there is a responder for whom progressive disease has not been noted.","reportingStatus":"NOT_POSTED","timeFrame":"up to approximately 15 years after treatment","title":"Duration of Response","type":"SECONDARY"}