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Updated Indications for Immune Effector Cell Therapy: 2023 Guidelines from the American Society for Transplantation and Cellular Therapy
Kanate, A. S., Majhail, N., DeFilipp, Z. M., Dhakal, B., Dholaria, B., Hamilton, B., Herrera, A. F., Inamoto, Y., Jain, T., Perales, M. A., et al
Transplantation and cellular therapy. 2023
Abstract
The American Society for Transplantation and Cellular Therapy (ASTCT) published its guidelines on indications for autologous and allogeneic hematopoietic cell transplantation (HCT) and immune effector cell therapy (IECT) in 2020. Since then we have witnessed rapid advancements in the field of IECT, resulting in several new chimeric antigen receptor T-cell (CAR-T) products and disease indications being approved by the U.S. Food and Drug Administration (FDA). To keep abreast of these practice changes, the ASTCT Committee on Practice Guidelines commissioned a focused update covering CAR-T therapy indications. This brief manuscript presents updated ASTCT recommendations on indications for CAR-T therapy. Only FDA approved indications for CAR-T were recommended and categorized as "standard of care" (S), where indication is well defined and supported by evidence. The ASTCT will continue to periodically review these guidelines and update them as new evidence becomes available.
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Indications for Hematopoietic Cell Transplantation and Immune Effector Cell Therapy: Guidelines from the American Society for Transplantation and Cellular Therapy: Guidelines for Hematopoietic Transplantation and Cellular Therapy
Kanate, A. S., Majhail, N. S., Savani, B. N., Bredeson, C., Champlin, R. E., Crawford, S., Giralt, S. A., LeMaistre, C. F., Marks, D. I., Omel, J. L., et al
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation. 2020
Abstract
The American Society for Transplantation and Cellular Therapy (ASTCT) published its first white paper on indications for autologous and allogeneic hematopoietic cell transplantation (HCT) in 2015. It was identified at the time that periodic updates of indications would be required to stay abreast with state of the art and emerging indications and therapy. In recent years, the field has not only seen an improvement in transplantation technology thus widening the therapeutic scope of HCT, but additionally a whole new treatment strategy using modified immune effector cells including chimeric antigen receptor T-cell (CART-cell) and T-cell receptors (TCRs) has emerged. The guidelines review committee of the ASTCT deemed it optimal to update the ASTCT recommendations for indications for HCT to include new data and to incorporate indications for immune effector cell therapy (IECT) where appropriate. The guidelines committee established multi-stakeholder task force consisting of transplant experts, payer representatives and a patient advocate to provide guidance on indications for HCT and IECT. This manuscript presents the updated recommendations from the ASTCT on indications for HCT and IECT. Indications for HCT/IECT were categorized as (1) Standard of care, where indication is well defined and supported by evidence, (2) Standard of care, clinical evidence available, where large clinical trials and observational studies are not available but has been shown to be effective therapy, (3) Standard of care, rare indication, for rare diseases where demonstrated effectiveness exist but large clinical trials and observational studies are not feasible, (4) Developmental, for diseases where pre-clinical and/or early phase clinical studies show HCT/IECT to be a promising treatment option, and (5) Not generally recommended, where available evidence does not support the routine use of HCT/IECT. The ASTCT will continue to periodically review these guidelines and update them as new evidence becomes available.
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Maintenance Therapies for Hodgkin and Non-Hodgkin Lymphomas After Autologous Transplantation: A Consensus Project of ASBMT, CIBMTR, and the Lymphoma Working Party of EBMT
Kanate, A. S., Kumar, A., Dreger, P., Dreyling, M., Le Gouill, S., Corradini, P., Bredeson, C., Fenske, T. S., Smith, S. M., Sureda, A., et al
JAMA oncology. 2019
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Abstract
Importance: Maintenance therapies are often considered as a therapeutic strategy in patients with lymphoma following autologous hematopoietic cell transplantation (auto-HCT) to mitigate the risk of disease relapse. With an evolving therapeutic landscape, where novel drugs are moving earlier in therapy lines, evidence relevant to contemporary practice is increasingly limited. The American Society for Blood and Marrow Transplantation (ASBMT), Center for International Blood and Marrow Transplant Research (CIBMTR), and European Society for Blood and Marrow Transplantation (EBMT) jointly convened an expert panel with diverse expertise and geographical representation to formulate consensus recommendations regarding the use of maintenance and/or consolidation therapies after auto-HCT in patients with lymphoma. Observations: The RAND-modified Delphi method was used to generate consensus statements where at least 75% vote in favor of a recommendation was considered as consensus. The process included 3 online surveys moderated by an independent methodological expert to ensure anonymity and an in-person meeting. The panel recommended restricting the histologic categories covered in this project to Hodgkin lymphoma (HL), mantle cell lymphoma (MCL), diffuse large B-cell lymphoma (DLBCL), and follicular lymphoma. On completion of the voting process, the panel generated 22 consensus statements regarding post auto-HCT maintenance and/or consolidation therapies. The grade A recommendations included endorsement of: (1) brentuximab vedotin (BV) maintenance and/or consolidation in BV-naive high-risk HL, (2) rituximab maintenance in MCL undergoing auto-HCT after first-line therapy, (3) rituximab maintenance in rituximab-naive FL, and (4) No post auto-HCT maintenance was recommended in DLBCL. The panel also developed consensus statements for important real-world clinical scenarios, where randomized data are lacking to guide clinical practice. Conclusions and Relevance: In the absence of contemporary evidence-based data, the panel found RAND-modified Delphi methodology effective in providing a rigorous framework for developing consensus recommendations for post auto-HCT maintenance and/or consolidation therapies in lymphoma.
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Staging Systems for Newly Diagnosed Myeloma Patients undergoing Autologous Hematopoietic Cell Transplant: The Revised International Staging System shows the most Differentiation between Groups
Scott, E. C., Hari, P., Kumar, S., Fraser, R., Davila, O., Shah, N., Gale, R. P., Diaz, M. A., Agrawal, V., Cornell, R. F., et al
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation. 2018
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Editor's Choice
Abstract
The revised International Staging System (R-ISS) and the International Myeloma Working Group 2014 (IMWG 2014) are newer staging systems used to prognosticate multiple myeloma (MM) outcomes. We hypothesized that these would provide better prognostic differentiation for newly diagnosed multiple myeloma (MM) compared to ISS. We analyzed the Center for International Blood and Marrow Transplant Research database from 2008-2014 to compare the 3 systems (N=628) among newly diagnosed MM undergoing upfront AHCT. The median follow up of survivors was 48 (3-99) months. The R-ISS provided the greatest differentiation between survival curves for each stage (for OS, the differentiation was 1.74 using the R-ISS, 1.58 using ISS, and 1.60 using the IMWG 2014) . Univariate analyses at 3 years for overall survival showed R-ISS I at 88 (CI 95% 83-93)%, II at 75 (70-80)% and III at 56 (43-69)% (p<0.001). An integrated Brier score function demonstrated the R-ISS had the best prediction for PFS, though all systems had similar prediction for OS. Among available systems, the R-ISS is the most optimal among available prognostic tools for newly diagnosed MM undergoing AHCT. We recommend that serum LDH and cytogenetic data be performed on every MM patient at diagnosis to allow accurate prognostication.