Geranium – Pelargonium

by | Dec 19, 2023 | Geranium

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Medazepam is a drug that is a benzodiazepine derivative. It possesses anxiolytic, anticonvulsant, sedative, and skeletal muscle relaxant properties. It is known by the following brand names: Azepamid, Nobrium, Tranquirax (mixed with bevonium), Rudotel, Raporan, Ansilan and Mezapam.[2] Medazepam is a long-acting benzodiazepine drug. The half-life of medazepam is 36–200 hours.[3]

Pharmacology

Medazepam acts as a prodrug to nordazepam. Benzodiazepine drugs including medazepam increase the inhibitory processes in the cerebral cortex by allosteric modulation of the GABA receptor.[4] Benzodiazepines may also act via micromolar benzodiazepine-binding sites as Ca2+ channel blockers and significantly inhibited depolarization-sensitive calcium uptake in experiments with cell components from rat brains. This has been conjectured as a mechanism for high dose effects against seizures in a study.[5] It has major active benzodiazepine metabolites, which gives it a more prolonged therapeutic effect after administration.[6]

See also

References

  1. ^ Anvisa (2023-03-31). "RDC Nº 784 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 784 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 2023-04-04). Archived from the original on 2023-08-03. Retrieved 2023-08-16.
  2. ^ "Benzodiazepines". Encyclopedia of Drugs.
  3. ^ Ashton H (April 2007). "Benzodiazepine Equivalency Table". Benzodiazepines Co-operation Not Confrontation (BCNC). Archived from the original on September 28, 2007. Retrieved September 23, 2007.
  4. ^ Zakusov VV, Ostrovskaya RU, Kozhechkin SN, Markovich VV, Molodavkin GM, Voronina TA (October 1977). "Further evidence for GABA-ergic mechanisms in the action of benzodiazepines". Archives Internationales de Pharmacodynamie et de Therapie. 229 (2): 313–26. PMID 23084.
  5. ^ Taft WC, DeLorenzo RJ (May 1984). "Micromolar-affinity benzodiazepine receptors regulate voltage-sensitive calcium channels in nerve terminal preparations" (PDF). Proceedings of the National Academy of Sciences of the United States of America (PDF). 81 (10): 3118–22. Bibcode:1984PNAS...81.3118T. doi:10.1073/pnas.81.10.3118. PMC 345232. PMID 6328498.
  6. ^ Jochemsen R, Breimer DD (1984). "Pharmacokinetics of benzodiazepines: metabolic pathways and plasma level profiles". Current Medical Research and Opinion. 8 Suppl 4: 60–79. doi:10.1185/03007998409109545. PMID 6144464.

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