Article ; Online: A phase I/II study of ixazomib, pomalidomide, and dexamethasone for lenalidomide and proteasome inhibitor refractory multiple myeloma (Alliance A061202).
American journal of hematology
2021 Volume 96, Issue 12, Page(s) 1595–1603
Abstract: Preclinical studies have demonstrated activity of the oral proteasome inhibitor (PI) ixazomib (IXA) in bortezomib-resistant multiple myeloma (MM) and synergy with immunomodulatory drugs. We therefore conducted a phase I/II study to establish the safety ... ...
Abstract | Preclinical studies have demonstrated activity of the oral proteasome inhibitor (PI) ixazomib (IXA) in bortezomib-resistant multiple myeloma (MM) and synergy with immunomodulatory drugs. We therefore conducted a phase I/II study to establish the safety and preliminary efficacy of IXA with pomalidomide (POM) and dexamethasone (DEX) in lenalidomide (LEN)/PI-refractory MM. Dose escalation established a 4 mg dose of POM and IXA and 20/40 mg dose of DEX as the maximum tolerated dose. The phase II portion of the trial was redesigned and started anew after six patients had been randomized to IXA-POM-DEX due to a rapidly changing treatment landscape. Among the 29 evaluable LEN/PI-refractory patients treated with IXA-POM-DEX in phase I/II, the overall response rate (partial response or better) was 51.7% with a median duration of response of 16.8 months (range 56 days to 4.1 years), median progression-free survival of 4.4 months (95% confidence interval [CI]: 3.0-18.4), and median overall survival of 34.3 months (95% CI: 19.2 to not reached). Hematologic, gastrointestinal, and constitutional adverse events were common and consistent with the side-effect profiles of the individual agents. Our results support further evaluation of this all-oral regimen in relapsed/refractory MM. |
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MeSH term(s) | Aged ; Aged, 80 and over ; Antineoplastic Combined Chemotherapy Protocols/administration & dosage ; Antineoplastic Combined Chemotherapy Protocols/adverse effects ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Boron Compounds/administration & dosage ; Boron Compounds/adverse effects ; Boron Compounds/therapeutic use ; Dexamethasone/administration & dosage ; Dexamethasone/adverse effects ; Dexamethasone/therapeutic use ; Drug Resistance, Neoplasm/drug effects ; Female ; Glycine/administration & dosage ; Glycine/adverse effects ; Glycine/analogs & derivatives ; Glycine/therapeutic use ; Humans ; Lenalidomide/administration & dosage ; Lenalidomide/adverse effects ; Lenalidomide/therapeutic use ; Male ; Maximum Tolerated Dose ; Middle Aged ; Multiple Myeloma/drug therapy ; Proteasome Inhibitors/administration & dosage ; Proteasome Inhibitors/adverse effects ; Proteasome Inhibitors/therapeutic use ; Thalidomide/administration & dosage ; Thalidomide/adverse effects ; Thalidomide/analogs & derivatives ; Thalidomide/therapeutic use |
Chemical Substances | Boron Compounds ; Proteasome Inhibitors ; Thalidomide (4Z8R6ORS6L) ; ixazomib (71050168A2) ; Dexamethasone (7S5I7G3JQL) ; pomalidomide (D2UX06XLB5) ; Lenalidomide (F0P408N6V4) ; Glycine (TE7660XO1C) |
Language | English |
Publishing date | 2021-10-06 |
Publishing country | United States |
Document type | Clinical Trial, Phase I ; Clinical Trial, Phase II ; Journal Article ; Randomized Controlled Trial ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 196767-8 |
ISSN | 1096-8652 ; 0361-8609 |
ISSN (online) | 1096-8652 |
ISSN | 0361-8609 |
DOI | 10.1002/ajh.26361 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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