Sonneveld, P Reversal of multidrug resistance by SDZ PSC 833, combined with VAD (vincristine, doxorubicin, dexamethasone) in refractory multiple myeloma. A phase I study. [electronic resource] - Leukemia Nov 1996 - 1741-50 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase I; Journal Article ISSN: 0887-6924 Subjects--Topical Terms: ATP Binding Cassette Transporter, Subfamily B, Member 1--biosynthesisAdministration, OralAgedAntineoplastic Combined Chemotherapy Protocols--administration & dosageCohort StudiesCyclosporins--administration & dosageDexamethasone--administration & dosageDoxorubicin--administration & dosageDrug Resistance, MultipleDrug Resistance, NeoplasmFemaleHumansInfusions, IntravenousMaleMiddle AgedMultiple Myeloma--drug therapyVincristine--administration & dosage