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Interaction study between remoxipride and biperiden

W Yisak1, L Farde, C von Bahr

  • 1Department of Clinical Pharmacology, Astra Arcus AB, Södertälje, Sweden.

Psychopharmacology
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

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This study found no significant pharmacokinetic or pharmacodynamic interactions between single doses of remoxipride and biperiden in healthy males. Remoxipride increased prolactin, but co-administration with biperiden had minimal additional effect.

Area of Science:

  • Pharmacology
  • Clinical Pharmacology
  • Neuropharmacology

Background:

  • Remoxipride is an antipsychotic medication.
  • Biperiden is an anticholinergic agent.
  • Understanding drug interactions is crucial for patient safety.

Purpose of the Study:

  • To investigate potential pharmacokinetic and pharmacodynamic interactions between remoxipride and biperiden.
  • To assess the effects of co-administration on drug concentrations, prolactin levels, and salivary flow.

Main Methods:

  • Double-blind, randomized, cross-over study design.
  • Involved twelve healthy male volunteers.
  • Measured plasma and urine concentrations, prolactin levels, and salivary flow.

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Main Results:

  • No significant interactions were observed in plasma concentrations or renal clearance between remoxipride and biperiden.
  • Remoxipride increased prolactin levels; co-administration showed a slight, significant increase in prolactin AUC.
  • Salivary flow remained unaffected by either drug or their combination.

Conclusions:

  • Single doses of remoxipride and biperiden do not exhibit significant pharmacokinetic or pharmacodynamic interactions.
  • The observed increase in prolactin AUC with combined treatment warrants consideration.
  • Further research may be needed for chronic dosing scenarios.