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Blood. 2018 Mar 8;131(10):1073-1080. doi: 10.1182/blood-2017-10-752154. Epub 2018 Jan 22.

Tyrosine kinase inhibitors and immune checkpoint blockade in allogeneic hematopoietic cell transplantation.

Soiffer RJ1,2,3, Davids MS1,2,3, Chen YB3,4.

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Department of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, MA.
Brigham and Women's Hospital, Boston, MA.
Harvard Medical School, Boston, MA; and.
Blood and Marrow Transplant Program, Massachusetts General Hospital, Boston, MA.


Advances in the prevention of graft-versus-host disease (GVHD) and opportunistic infection have improved survival after allogeneic hematopoietic cell transplantation (allo-HCT) in the past decade. However, few inroads have been made into the treatment or prevention of relapse of the underlying malignancy for which allo-HCT is being performed. The introduction of US Food and Drug Administration-approved agents with significant activity in a variety of hematologic malignancies provides an opportunity to evaluate these interventions in the allo-HCT setting. Some of the most promising new agents include tyrosine kinase inhibitors (TKIs) directed at bcr-abl, kinase inhibitors targeting fms-like tyrosine kinase 3, and immune checkpoint inhibitors blocking both CTLA4 and PD-1. Data have emerged indicating potential efficacy of these agents in preventing or treating relapse, though definitive evidence remains elusive. However, potential toxicity can be considerable, highlighting the need for further clinical trials to define the therapeutic window. This review explores the immunologic and clinical consequence of treatment with both TKIs and checkpoint inhibitors in the peri- and post-allo-HCT setting.

[Indexed for MEDLINE]
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