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Growth failure associated with sirolimus: case report.

Gloria A Rangel1, Gema Ariceta

  • 1Division of Pediatric Nephrology, Hospital de Cruces, Baracaldo, Vizcaya, Spain.

Pediatric Nephrology (Berlin, Germany)
|June 5, 2009
PubMed
Summary
This summary is machine-generated.

Sirolimus (SRL) treatment in a pediatric renal transplant recipient was linked to significant linear growth failure. Careful monitoring of growth is crucial for pediatric transplant patients receiving SRL.

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Area of Science:

  • Pediatric Nephrology
  • Transplantation Immunology
  • Pharmacology

Background:

  • A pediatric renal transplant recipient experienced acute renal failure due to calcineurin inhibitor-related hemolytic uremic syndrome.
  • Cyclosporine A was replaced with sirolimus (SRL) to manage the condition and maintain graft function.

Observation:

  • Prior to SRL treatment, the patient exhibited normal growth velocity (5.5 cm/year) and was at the 33.9th height percentile.
  • Following SRL initiation, growth velocity decreased to 2.2 cm/year, resulting in a decline to the 6th height percentile over two years.
  • Renal function remained optimal (CCr 68 ml/min per 1.73 m(2)) throughout the observation period.

Findings:

  • Sirolimus treatment was associated with a marked reduction in linear growth velocity in a pediatric renal transplant recipient.
  • The anti-proliferative and anti-angiogenic properties of sirolimus are potential mechanisms for impaired growth.
  • Human recombinant growth hormone was required to achieve catch-up growth, reaching the 49th height percentile.

Implications:

  • Pediatric transplant recipients receiving sirolimus require vigilant monitoring of linear growth.
  • The potential for sirolimus to negatively impact growth in children necessitates careful consideration of its use.
  • Further research into the long-term effects of sirolimus on pediatric growth and development is warranted.