Metabolic Sequelae of Everolimus Treatment After Cardiac Transplant: A Hypothesis-Generating Study

Raven, Lisa M. and Muir, Christopher A. and Pouliopoulos, Jim and Hayward, Christopher S. and Macdonald, Peter S. and Greenfield, Jerry R. and Jabbour, Andrew (2023) Metabolic Sequelae of Everolimus Treatment After Cardiac Transplant: A Hypothesis-Generating Study. Heart, Lung and Circulation, 32 (9). pp.1076-1079. ISSN 14439506

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BACKGROUND: Although modern immunosuppressants improve survival post-transplant, they are associated with long-term metabolic complications, such as post-transplant diabetes mellitus (PTDM). Calcineurin inhibitor-sparing regimens using everolimus attenuate some complications such as left ventricular hypertrophy. However, the metabolic effects of everolimus following transplant are less clear. METHODS: Post-hoc analysis to compare PTDM and other metabolic outcomes in participants of a randomised open-label clinical trial of low-dose everolimus and tacrolimus versus standard-dose tacrolimus in heart transplant recipients (RADTAC(1) study). RESULTS: There were 39 participants in the trial; mean follow-up was 6.4+/-1.5 years. There was a high rate of pre-existing diabetes (26%) and newly diagnosed PTDM (36%) during follow-up. Half the patients who developed PTDM in the everolimus-tacrolimus group (n=4/8) ceased diabetes medications during follow-up, which was not observed in patients on standard tacrolimus (n=0/6). In the first 12 months there was a higher use of non-insulin treatment for diabetes in the everolimus-tacrolimus group compared to the standard tacrolimus group. CONCLUSIONS: This study suggests that treatment with everolimus may be associated with improved glycaemic control of PTDM relative to treatment with standard doses of calcineurin inhibitor. These findings should be further studied in prospective randomised trials.

Item Type: Article
Subjects: R Medicine > R Medicine (General)
Depositing User: Repository Administrator
Date Deposited: 01 May 2024 04:55
Last Modified: 01 May 2024 04:55

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