Article ; Online: ANCHOR: melflufen plus dexamethasone and daratumumab or bortezomib in relapsed/refractory multiple myeloma: final results of a phase I/IIa study.
2024 Volume 109, Issue 3, Page(s) 867–876
Abstract: Melphalan flufenamide (melflufen), a first-in-class, alkylating peptide-drug conjugate, demonstrated clinical benefit in combination with dexamethasone in triple-class refractory multiple myeloma (MM). The phase I/IIa ANCHOR study evaluated melflufen (30 ...
| Abstract | Melphalan flufenamide (melflufen), a first-in-class, alkylating peptide-drug conjugate, demonstrated clinical benefit in combination with dexamethasone in triple-class refractory multiple myeloma (MM). The phase I/IIa ANCHOR study evaluated melflufen (30 or 40 mg) and dexamethasone (40 mg with daratumumab; 20 mg followed by 40 mg with bortezomib; dose reduced if aged ≥75 years) in triplet combination with daratumumab (16 mg/kg; daratumumab arm) or bortezomib (1.3 mg/m2; bortezomib arm) in patients with relapsed/refractory MM refractory to an immunomodulatory agent and/or a proteasome inhibitor and who had received one to four prior lines of therapy. Primary objectives were to determine the optimal dose of melflufen in triplet combination (phase I) and overall response rate (phase IIa). In total, 33 patients were treated in the daratumumab arm and 23 patients received therapy in the bortezomib arm. No dose-limiting toxicities were reported at either melflufen dose level with either combination. With both triplet regimens, the most common grade ≥3 treatment-emergent adverse events were thrombocytopenia and neutropenia; thrombocytopenia was the most common treatment-emergent adverse event leading to treatment discontinuation. In the daratumumab arm, patients receiving melflufen 30 mg remained on treatment longer than those receiving the 40-mg dose. In the daratumumab arm, the overall response rate was 73% and median progression-free survival was 12.9 months. Notably, in the bortezomib arm, the overall response rate was 78% and median progression-free survival was 14.7 months. Considering the totality of the data, melflufen 30 mg was established as the recommended dose for use with dexamethasone and daratumumab or bortezomib for future studies in relapsed/refractory MM. |
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| MeSH term(s) | Humans ; Antibodies, Monoclonal ; Bortezomib/therapeutic use ; Dexamethasone/therapeutic use ; Melphalan/analogs & derivatives ; Multiple Myeloma/diagnosis ; Multiple Myeloma/drug therapy ; Neoplasms, Plasma Cell ; Neutropenia/chemically induced ; Phenylalanine/analogs & derivatives ; Thrombocytopenia ; Aged ; Antineoplastic Combined Chemotherapy Protocols/adverse effects |
| Chemical Substances | Antibodies, Monoclonal ; Bortezomib (69G8BD63PP) ; daratumumab (4Z63YK6E0E) ; Dexamethasone (7S5I7G3JQL) ; melflufen (3412470A0V) ; Melphalan (Q41OR9510P) ; Phenylalanine (47E5O17Y3R) |
| Language | English |
| Publishing date | 2024-03-01 |
| Publishing country | Italy |
| Document type | Clinical Trial, Phase I ; Clinical Trial, Phase II ; Journal Article |
| ZDB-ID | 2333-4 |
| ISSN | 1592-8721 ; 0017-6567 ; 0390-6078 |
| ISSN (online) | 1592-8721 |
| ISSN | 0017-6567 ; 0390-6078 |
| DOI | 10.3324/haematol.2023.283490 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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