Haploidentical BMT With Post-Transplant Cyclophosphamide and Bendamustine
Summary
The purpose of this study is to evaluate the safety of progressively substituting day +3 and +4 post-transplant cyclophosphamide (PT-CY) with post-transplant bendamustine (PT-BEN) in myeloablative (MAC) haploidentical hematopoietic cell transplantation (HHCT) for patients with hematological malignancies. The goal of the Phase 1 component of the study is to evaluate the safety of progressively substituting post-transplant cyclophosphamide (PT-CY) given on Days +3 and +4 with bendamustine (PT-BEN). The Phase I component of the study has been completed. The Phase Ib component of the study will continue to evaluate the safety and efficacy of subjects who receive PT-BEN on Days +3 and +4 at the maximum tolerated dose determined by Phase I. The Phase Ib component of the study has been completed. Approximately, 18-36 subjects will be treated as part of Phase I and 15 as part of Phase Ib. Approximately 18 subjects will be used as controls, subjects that receive no PET-BEN, for direct comparison. Total, approximately 38-56 treatment and control patients and 38-56 donor subjects will be enrolled.
Timeline
- Start
- 2016-11-29
- Primary completion
- 2025-08-01
- Completion
- 2025-08-01
Publications
- Results Baker FL, Stokes J, Cracchiolo MJ, Davini D, Simpson RJ, Katsanis E. Impact of post-transplant cyclophosphamide with bendamustine on immune reconstitution in young patients undergoing T-cell replete haploidentical bone marrow transplantation: results from a phase Ia/Ib clinical trial. Front Immunol. 2025 Apr 9;16:1568862. doi: 10.3389/fimmu.2025.1568862. eCollection 2025.
- Results Katsanis E, Stea B, Kovacs K, Truscott L, Husnain M, Khurana S, Roe DJ, Simpson RJ. Feasibility and Efficacy of Partially Replacing Post-Transplantation Cyclophosphamide with Bendamustine in Pediatric and Young Adult Patients Undergoing Haploidentical Bone Marrow Transplantation. Transplant Cell Ther. 2022 Jul;28(7):390.e1-390.e10. doi: 10.1016/j.jtct.2022.04.015. Epub 2022 Apr 20.
- Results Katsanis E, Sapp LN, Reid SC, Reddivalla N, Stea B. T-Cell Replete Myeloablative Haploidentical Bone Marrow Transplantation Is an Effective Option for Pediatric and Young Adult Patients With High-Risk Hematologic Malignancies. Front Pediatr. 2020 Jun 9;8:282. doi: 10.3389/fped.2020.00282. eCollection 2020.
- Results Katsanis E, Maher K, Roe DJ, Simpson RJ. Progressive substitution of posttransplant cyclophosphamide with bendamustine: A phase I study in haploidentical bone marrow transplantation. EJHaem. 2020 May 26;1(1):286-292. doi: 10.1002/jha2.20. eCollection 2020 Jul.
- Results Katsanis E, Sapp LN, Varner N, Koza S, Stea B, Zeng Y. Haploidentical Bone Marrow Transplantation with Post-Transplant Cyclophosphamide/Bendamustine in Pediatric and Young Adult Patients with Hematologic Malignancies. Biol Blood Marrow Transplant. 2018 Oct;24(10):2034-2039. doi: 10.1016/j.bbmt.2018.06.007. Epub 2018 Jun 14.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Bendamustine | Small molecule | 20 mg/m2 | Intravenous |
| Subject | Bendamustine | Small molecule | 60 mg/m2 | Intravenous |
| Subject | Bendamustine | Small molecule | 90 mg/m2 | Intravenous |
| Subject | Cyclophosphamide | Other / unclassified | 0 mg/kg | Intravenous |
| Subject | Cyclophosphamide | Other / unclassified | 20 mg/kg | Intravenous |
| Subject | Cyclophosphamide | Other / unclassified | 40 mg/kg | Intravenous |