NCT00726830 2020-09-24Methadone, Morphine, or Oxycodone in Treating Pain in Patients With CancerM.D. Anderson Cancer CenterPhase NA Terminated1 enrolled 3 charts
NCT03324815 2017-10-30Methadone Associated With Morphine for Cancer PainFederal University of São PauloPhase NA Unknown40 enrolled