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Desensitization in the Era of Precision Medicine

Moving From the Bench to Bedside

Habal, Marlena V MD1; Farr, Maryjane MD1; Restaino, Susan MD1; Chong, Anita PhD2

doi: 10.1097/TP.0000000000002737
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Patients with antibodies to HLA wait longer for transplant and are at increased risk of adverse outcomes. For more than a decade, drug therapy approaches have been tested to modulate the immune system to prevent or reduce donor-specific antibody levels. Despite some studies reporting success in facilitating transplant, many patients do not respond or experience donor-specific antibody rebound, highlighting the diversity of the individual patient’s immune response. While advances in immunomodulatory therapies have resulted in escalating efforts to successfully treat highly sensitized patients, further insight into the human immune system has uncovered its enormous complexity and diversity calling for a personalized approach. Yet, even defining the sensitized transplant candidate can be troublesome and much remains to be understood about the interaction between an individual’s immune system as a whole and their response to our current desensitization strategies. The shift toward a personalized approach calls for a reevaluation of what we know and what remains to be determined; a process that will require iterative translational approaches. This review will focus on new insights into how the interaction between immune risk assessment, the patient’s immunological history, and the clinical context can be reconciled to develop a precision-based approach to pretransplant management.

1 Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY.

2 Department of Surgery, University of Chicago, Chicago, IL.

Received 13 March 2019.

Accepted 18 March 2019.

M.H. and A.C. participated in concept design, in the writing of the article, and in editing. M.F. and S.R. participated in the writing of the article and editing.

The authors declare no funding or conflicts of interest.

Correspondence: Marlena V. Habal, MD, 622 W 168th St, PH 1273, New York, NY 10032. (mh3696@cumc.columbia.edu).

Copyright © 2019 Wolters Kluwer Health, Inc. All rights reserved.