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NCT00558870 2016-04-05Role of Methadone As Co-Opioid AnalgesicM.D. Anderson Cancer CenterPhase 2 Terminated5 enrolled 4 charts
NCT00573937 2016-02-19Methadone Versus Morphine for Cancer-Related PainMayo ClinicPhase 2 Terminated1 enrolled 2 charts
NCT00020618 2013-07-18Inhaled Morphine Compared With Morphine By Mouth in Treating Cancer Patients With Breakthrough PainNational Cancer Institute (NCI)Phase 2 Completed