Alternatives to immediate release tacrolimus in solid organ transplant recipients: When the gold standard is in short supply.

Given the current climate of drug shortages in the United States, this review summarizes available comparative literature on the use of alternative immunosuppressive agents in adult solid organ transplant recipients including kidney, pancreas, liver, lung, and heart, when immediate-release tacrolimus (IR-TAC) is not available. Alternative options explored include extended-release tacrolimus (ER-TAC) formulations, cyclosporine, belatacept, mammalian target of rapamycin inhibitors, and novel uses of induction therapy for maintenance immunosuppression. Of available alternatives, only ER-TAC formulations are of non-inferior efficacy compared to IR-TAC when used de novo or after conversion in stable kidney transplant recipients (KTRs). All other alternatives were associated with higher rates of biopsy-proven rejection, but improved tolerance from classic adverse effects of IR-TAC including nephrotoxicity and development of diabetes. While most alternative therapies are approved in KTRs, access via third-party payors is an obstacle in non-KTRs. In the setting of IR-TAC shortage, alternate therapeutic options may be plausible depending on the organ population and individual patient situation to ensure appropriate, effective immunosuppression for each patient. © 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

Citation

Margaret R Jorgenson, Jillian L Descourouez, Bethany L Brady, Lyndsey Bowman, Sara Hammad, Tiffany E Kaiser, Melissa R Laub, Jennifer I Melaragno, Jeong M Park, Mary M Chandran. Alternatives to immediate release tacrolimus in solid organ transplant recipients: When the gold standard is in short supply. Clinical transplantation. 2020 Jul;34(7):e13903

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PMID: 32400907

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