NCT00458744 2014-08-08Talotrexin in Treating Young Patients With Recurrent Solid Tumors or Leukemia That is Recurrent or Does Not Respond to TreatmentChildren's Oncology GroupPhase 1 Withdrawn
NCT00005969 2012-02-20Liposomal Tretinoin in Treating Patients With Recurrent or Refractory Hodgkin's DiseaseM.D. Anderson Cancer CenterPhase 2 Withdrawn