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Related Experiment Videos

Risperidone-induced symptomatic hyperprolactinaemia in adolescents.

Laurent Holzer1, Chin B Eap

  • 1Service Universitaire de Psychiatrie de l'Enfant et de l'Adolescent, Centre Thérapeutique de Jour pour Adolescents, Lausanne, Switzerland. Laurent.Holzer@chuv.ch

Journal of Clinical Psychopharmacology
|April 25, 2006
PubMed
Summary

Risperidone can significantly increase prolactin levels in adolescents, leading to side effects like gynecomastia and galactorrhea. Caution is advised due to unknown long-term impacts of this antipsychotic drug-induced hyperprolactinemia.

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Area of Science:

  • Pediatric Endocrinology
  • Neuropsychopharmacology
  • Adolescent Medicine

Background:

  • Antipsychotic medications like risperidone are used to treat psychosis in children and adolescents.
  • Previous studies in adults show risperidone elevates prolactin levels, causing side effects.
  • Limited data exists on risperidone's effect on prolactin in pediatric populations, with some studies suggesting minimal impact at low doses.

Observation:

  • This study observed 10 psychotic adolescents treated with risperidone.
  • Three male patients developed gynecomastia, and two female patients experienced galactorrhea.
  • Elevated prolactin levels (median 59 ng/mL) were noted in patients with and without these side effects.

Findings:

  • Risperidone, even at typical pediatric doses, can significantly elevate prolactin levels in adolescents.

Related Experiment Videos

  • Clinical manifestations of hyperprolactinemia, including gynecomastia and galactorrhea, occurred in this cohort.
  • Observed prolactin levels were consistently above the normal range in treated adolescents.

    • Implications:

    • The findings suggest a stronger link between risperidone and hyperprolactinemia in adolescents than previously indicated by some studies.
    • Long-term consequences of drug-induced hyperprolactinemia in this age group, such as effects on bone health, fertility, and development, remain poorly understood.
    • Careful administration and monitoring of risperidone are recommended for pediatric patients due to potential endocrine disturbances.