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Related Experiment Videos

Paliperidone for schizophrenia.

Christian Dolder1, Michael Nelson, Zachariah Deyo

  • 1School of Pharmacy, Wingate University, Wingate, NC 28174, USA. cdolder@wingate.edu

American Journal of Health-System Pharmacy : AJHP : Official Journal of the American Society of Health-System Pharmacists
|February 19, 2008
PubMed
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This summary is machine-generated.

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Paliperidone, an atypical antipsychotic for schizophrenia, shows efficacy comparable to risperidone but with a higher rate of hyperprolactinemia. Its unique delivery system may reduce certain side effects.

Area of Science:

  • Psychiatry
  • Pharmacology
  • Clinical Therapeutics

Background:

  • Paliperidone is a benzisoxazole derivative and the active metabolite of risperidone.
  • It exhibits a receptor-binding profile similar to risperidone and ziprasidone, with greater affinity for serotonin 5-HT2A receptors than dopamine D2 receptors.
  • Paliperidone is less lipophilic than risperidone and undergoes limited enzymatic metabolism.

Purpose of the Study:

  • To review the efficacy, safety, pharmacology, pharmacokinetics, drug-drug interactions, and administration of paliperidone for schizophrenia.
  • To evaluate the clinical utility of paliperidone compared to placebo and other atypical antipsychotics.

Main Methods:

  • Review of existing literature on paliperidone.
  • Analysis of pharmacology, pharmacokinetics, and clinical trial data.

Related Experiment Videos

  • Comparison of adverse effect profiles and efficacy with other antipsychotics.

    • Main Results:

    • Limited investigations show paliperidone significantly improves psychopathology, functioning, and relapse rates in schizophrenia patients compared to placebo.
    • Paliperidone's osmotic release delivery system may avoid initial dosage adjustments and reduce ant-idopaminergic effects.
    • Adverse effect profile is similar to risperidone, with a notable increase in hyperprolactinemia.

    Conclusions:

    • Paliperidone demonstrates efficacy in treating schizophrenia, with improvements in psychopathology and functioning.
    • It does not present clear advantages over similar atypical antipsychotics like risperidone and ziprasidone.
    • While generally well-tolerated, increased hyperprolactinemia is a key difference compared to risperidone.