Pharmacokinetic studies on Ro 15-1788, a benzodiazepine receptor ligand, in the brain of the rat

Brain Res. 1984 Jan 2;290(1):183-6. doi: 10.1016/0006-8993(84)90752-2.

Abstract

Methods for determining Ro 15-1788 in brain tissue were developed using gas chromatography with nitrogen-phosphorus detection, and using reverse-phase high performance liquid chromatography. Application of the methods to pharmacokinetic studies in the rat found the elimination half-life of Ro 15-1788 from rat brain to be 16 min. Ro 15-1788 was undetectable in rat plasma at the time points studied. Concentrations of Ro 15-1788 in the brain were reduced if chlordiazepoxide was coadministered.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Animals
  • Anti-Anxiety Agents*
  • Benzodiazepines*
  • Benzodiazepinones / administration & dosage
  • Benzodiazepinones / analysis
  • Benzodiazepinones / metabolism*
  • Brain / metabolism*
  • Brain Chemistry
  • Chlordiazepoxide / administration & dosage
  • Chlordiazepoxide / analogs & derivatives
  • Chlordiazepoxide / analysis
  • Flumazenil
  • Half-Life
  • Kinetics
  • Male
  • Rats

Substances

  • Anti-Anxiety Agents
  • Benzodiazepinones
  • Benzodiazepines
  • Flumazenil
  • Chlordiazepoxide
  • N-demethylchlordiazepoxide
  • demoxepam