Ibrutinib treatment ameliorates murine chronic graft-versus-host disease

Jason A. Dubovsky, Ryan Flynn, Jing Du, Bonnie K. Harrington, Yiming Zhong, Benjamin Kaffenberger, Carrie Yang, William H. Towns, Amy Lehman, Amy J. Johnson, Natarajan Muthusamy, Steven M. Devine, Samantha Jaglowski, Jonathan S. Serody, William J. Murphy, David H. Munn, Leo Luznik, Geoffrey R. Hill, Henry K. Wong, Kelli K P MacDonaldIvan Maillard, John Koreth, Laurence Elias, Corey Cutler, Robert J. Soiffer, Joseph H. Antin, Jerome Ritz, Angela Panoskaltsis-Mortari, John C. Byrd, Bruce R. Blazar

Research output: Contribution to journalArticlepeer-review

143 Scopus citations


Chronic graft-versus-host disease (cGVHD) is a life-threatening impediment to allogeneic hematopoietic stem cell transplantation, and current therapies do not completely prevent and/or treat cGVHD. CD+ T cells and B cells mediate cGVHD; therefore, targeting these populations may inhibit cGVHD pathogenesis. Ibrutinib is an FDA-approved irreversible inhibitor of Bruton's tyrosine kinase (BTK) and IL- inducible T cell kinase (ITK) that targets Th cells and B cells and produces durable remissions in B cell malignancies with minimal toxicity. Here, we evaluated whether ibrutinib could reverse established cGVHD in complementary murine models, a model interrogating T cell-driven sclerodermatous cGVHD and an alloantibody-driven multiorgan system cGVHD model that induces bronchiolar obliterans (BO). In the T cell-mediated sclerodermatous cGVHD model, ibrutinib treatment delayed progression, improved survival, and ameliorated clinical and pathological manifestations. In the alloantibody-driven cGVHD model, ibrutinib treatment restored pulmonary function and reduced germinal center reactions and tissue immunoglobulin deposition. Animals lacking BTK and ITK did not develop cGVHD, indicating that these molecules are critical to cGVHD development. Furthermore, ibrutinib treatment reduced activation of T and B cells from patients with active cGVHD. Our data demonstrate that B cells and T cells drive cGVHD and suggest that ibrutinib has potential as a therapeutic agent, warranting consideration for cGVHD clinical trials.

Original languageEnglish (US)
Pages (from-to)4867-4876
Number of pages10
JournalJournal of Clinical Investigation
Issue number11
StatePublished - Nov 3 2014


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