Heart failure & cardiomyopathiesRandomised controlled trial

Everolimus and Low-Dose Tacrolimus After Heart Transplant in Children

JAMAPublished

  • Randomised controlled trial
  • multicentre
  • open-label
  • noninferiority (safety)

Authors' conclusion

Among 6-month pediatric heart transplant survivors, everolimus and low-dose tacrolimus did not differ from tacrolimus and mycophenolate in preventing the composite of cellular rejection, CAV, and CKD at 30 months.

Study context

Population
Children alive 6 months after heart transplant, 25 US sites, 2018–2020
Participants
211 participants
Comparison
Everolimus vs Mycophenolate
  • Everolimusn = 107
  • Mycophenolaten = 104reference
Primary endpoint
MATE-3 score (composite ordinal:
  • Acute cellular rejection
  • Cardiac allograft vasculopathy (CAV)
  • Chronic kidney disease (CKD))
  • Primary safety end point MATE-6 score
Follow-up
30 months

Primary result

As reported in the abstract

MATE-3 score

Mean MATE-3 score did not differ between the 2 treatment groups (mean difference, −0.32; 95% CI, −0.90 to 0.20)

P = .16

Further findings

Outcomemean difference (mL/min/1.73 m²) (95% CI)
Improvement in eGFR · 12 months10.5 (1.09–19.91)
OutcomeHR (95% CI)
CMV infection0.50 (0.26–0.93)

Graft survival, MATE-free survival, freedom from any individual MATE

No differences

Safety

Outcomebaseline-adjusted mean difference (95% CI)
MATE-6 score (primary safety end point) · meeting the success criterion for safety−0.40 (−1.81 to 0.93)
  • MATE-6 score (primary safety end point): noninferiority margin <3

Original publication

Everolimus and Low-Dose Tacrolimus After Heart Transplant in Children. JAMA. Published 21 October 2025. doi:10.1001/jama.2025.14338

Summarised from the published abstract; every number is checked against it