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Index
»
PHARMACOLOGY 1
»
ANXIOLYTIC & HYPNOTIC DRUGS
»
Level 4 - Non-Benzodiazepines SH & Melatonin Receptor Agonist
level: Level 4 - Non-Benzodiazepines SH & Melatonin Receptor Agonist
Questions and Answers List
Non-Benzodiazepine Sedatives/Hypnotics and MELATONIN RECEPTOR AGONIST
level questions: Level 4 - Non-Benzodiazepines SH & Melatonin Receptor Agonist
Question
Answer
• MOA: exhibits a HIGH SELECTIVITY for the α1 subunit of benzodiazepine-binding site on GABAA receptor complex • MOST COMMONLY prescribed drug for INSOMNIA
ZOLPIDEM • Stilnox®
• a "SUPERAGONIST" at BzRs • may be used for patients who tend to be AWAKEN DURING THE NIGHT (for up to 6mos)
ESZOPICLONE
• a SHORT-ACTING nonbenzodiazepine hypnotic • good to INITIATE SLEEP instead of keeping sleep
ZALEPLON • Sonata®
Melatonin Receptors and its effects
• MT1 - sleepiness • MT2 - circadian rhythm • MT3 - IOP
• "HORMONE OF DARKNESS" • PRODUCT OF SEROTONIN found in the pineal gland • biosynthesized and RELEASED AT NIGHT • play a role in the CIRCADIAN RHYTHM of humans
MELATONIN
• effective in INITIATING SLEEP • MORE EFFICACIOUS THAN MELATONIN but LESS EFFICACIOUS than BZD as a HYPNOTIC • approved for the treatment of insomnia
RAMELTEON • Rozerem®