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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Halazepam

Introduction

Overview

Overview

Halazepam is a benzodiazepine derivative that was marketed under the brand names Paxipam in the United States,[1] Alapryl in Spain,[2] and Pacinone in Portugal.[3]

Medical uses

Medical uses

Halazepam was used for the treatment of anxiety.[1]

Adverse effects

Adverse effects

Adverse effects include drowsiness, confusion, dizziness, and sedation. Gastrointestinal side effects have also been reported including dry mouth and nausea.[1]

Pharmacokinetics and pharmacodynamics

Pharmacokinetics and pharmacodynamics

Pharmacokinetics and pharmacodynamics were listed in Current Psychotherapeutic Drugs published in June 15, 1998 as follows:[4]

Onset of action Intermediate to slow
Plasma half life 14 hr for parent drug and 30-100 hr for its metabolite
Peak plasma levels 1-3 hr for parent drug and 3-6 hf for its metabolite
Metabolism Metabolized into desmethyldiazepam and 3-hydroxyhalazepam (in the liver)
Excretion Excreted through kidneys
Protein binding 98% bound to plasma protein
Regulatory Information

Regulatory Information

Halazepam is classified as a schedule 4 controlled substance with a corresponding code 2762 by the Drug Enforcement Administration (DEA).[5]

Commercial production

Commercial production

Halazepam was invented by Schlesinger Walter in the U.S. It was marketed as an anti-anxiety agent in 1981. However, Halazepam is not commercially available in the United States because it was withdrawn by its manufacturer for poor sales.[1]

See also

See also

References

References

  1. ↑ 1.0 1.1 1.2 1.3 “halazepam”. Drugs.com. Retrieved December 11, 2014.
  2. ↑ “Alapryl”. Drugs.com. Retrieved December 11, 2014.
  3. ↑ “Pacinone”. Drugs.com. Retrieved December 11, 2014.
  4. ↑ Quitkin, Frederick M. … (1998). Current therapeutic drugs (2nd ed. ed.). Washington: American Psychiatric Press. p. 166. ISBN 0880489944.
  5. ↑ “SCHEDULES OF CONTROLLED SUBSTANCES”. Code of Federal Reguations. 2012-04-01. pp. § 1308.14 Schedule IV. Retrieved December 12, 2014.

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]