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Slade M, Fiala MA, Kirchmeyer M, King J, Gao F, Schroeder MA, Stewart AK, Stockerl-Goldstein K, Chen C, Vij R. Continuous Elotuzumab, Pomalidomide, and Dexamethasone Maintenance Following Second Autologous Transplantation for Multiple Myeloma: Results of a Prospective Phase 2 Multicenter Trial. Transplant Cell Ther 2023; 29:764.e1-764.e7. [PMID: 37741459 DOI: 10.1016/j.jtct.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/14/2023] [Accepted: 09/18/2023] [Indexed: 09/25/2023]
Abstract
Second autologous hematopoietic cell transplantation (AHCT2) is a useful therapeutic modality for fit patients with multiple myeloma who have durable remission after upfront AHCT. Retrospective studies have suggested a significant benefit of incorporating maintenance therapy post-AHCT2, but prospective data on specific regimens are lacking. The purpose of this study was to investigate the use of elotuzumab, pomalidomide, and dexamethasone (EPd) as salvage therapy prior to and maintenance after AHCT2 for relapsed multiple myeloma. This prospective single-arm phase II trial investigating the use of EPd in combination with AHCT2 in patients with relapsed multiple myeloma was conducted at 2 academic centers in North America. The primary outcome was 1-year progression-free survival (PFS). Twenty-five patients were enrolled on the study. Sixteen patients received EPd induction; six patients (38%) progressed during salvage therapy and were removed from the trial prior to AHCT2. Following a planned safety analysis, the protocol was amended, and EPd induction was removed from the study schema. An additional 9 patients underwent induction off-study and were enrolled on trial for AHCT2 and EPd maintenance. A total of 18 patients underwent AHCT2 and received EPd maintenance. Two patients discontinued treatment because of toxicity, one attributed to elotuzumab and the other to pomalidomide. The 1-year PFS was 72%, and the median PFS was 19 months. The study was closed early owing to poor accrual; 6 patients remained on therapy at time of analysis. EPd maintenance after AHCT2 was safe and tolerable. The 1-year PFS and median PFS were similar to values in previous retrospective reports of outcomes following AHCT2. Further studies are needed to define the optimal use of and protocol for AHCT2 in fit patients with relapsed multiple myeloma.
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Affiliation(s)
- Michael Slade
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri.
| | - Mark A Fiala
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Marie Kirchmeyer
- Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Jeff King
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Feng Gao
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Mark A Schroeder
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - A Keith Stewart
- University Health Network, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Keith Stockerl-Goldstein
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Christine Chen
- Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Ravi Vij
- Bone Marrow Transplantation & Leukemia Section, Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
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Yan ZL, Wang YW, Chang YJ. Cellular Immunotherapies for Multiple Myeloma: Current Status, Challenges, and Future Directions. Oncol Ther 2022; 10:85-103. [PMID: 35103936 PMCID: PMC9098731 DOI: 10.1007/s40487-022-00186-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/20/2022] [Indexed: 11/25/2022] Open
Abstract
Multiple myeloma (MM) remains incurable due to relapse, although the use of proteasome inhibitors, immunomodulatory drugs, CD38-targeting antibodies, and autologous stem cell transplantation (auto-SCT) significantly improve the clinical outcomes of patients with newly diagnosed MM. In recent years, the introduction of chimeric antigen receptor T-cell (CAR T-cell) therapy has brought hope to patients with refractory and relapsed MM. The graft-versus-myeloma effect of allogeneic SCT provides the possibility for curing a subset of MM patients. In this review, we summarize the recent advances and challenges of cellular immunotherapies for MM, focusing on auto-SCT, allogeneic SCT, and CAR T-cell approaches. We also discuss future directions, and propose a specific algorithm for cellular therapies for MM and probability of minimal residual disease-directed therapy.
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Affiliation(s)
- Zhi-Ling Yan
- Deparment of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yue-Wen Wang
- Peking University People's Hospital & Peking University Institute of Hematology, No 11 Xizhimen South Street, Beijing, 100044, China
- National Clinical Research Center for Hematologic Disease, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
- Collaborative Innovation Center of Hematology, Peking University, Beijing, People's Republic of China
| | - Ying-Jun Chang
- Peking University People's Hospital & Peking University Institute of Hematology, No 11 Xizhimen South Street, Beijing, 100044, China.
- National Clinical Research Center for Hematologic Disease, Beijing, China.
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China.
- Collaborative Innovation Center of Hematology, Peking University, Beijing, People's Republic of China.
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