Cyclopyrrolones

Cyclopyrrolones: Cyclopyrrolones are a family of hypnotic and anxiolytic nonbenzodiazepine drugs with similar pharmacological profiles to the benzodiazepine derivatives.

Although cyclopyrrolones are chemically unrelated to benzodiazepines, they function via the benzodiazepine receptor/GABA neurotransmitter. The best known cyclopyrrolone derivatives are zopiclone (Imovane) and its enantiomer eszopiclone (Lunesta), which are used to treat insomnia, and have a known potential for abuse. Other cyclopyrrolone derivatives include suriclone, pagoclone, pazinaclone and suproclone.

Cyclopyrrolones

eszopiclone - hypnotic (Lunesta)

zopiclone - hypnotic (Imovane)

pagoclone - anxiolytic

suriclone - anxiolytic

pazinaclone - anxiolytic

suproclone - anxiolytic

External links

British Medical Journal

v · d · eAnxiolytics (N05B)

GABA_A PAMs

Benzodiazepine

Adinazolam • Alprazolam • Bretazenil • Bromazepam • Camazepam • Chlordiazepoxide • Clobazam • Clonazepam • Clorazepate • Clotiazepam • Cloxazolam • Diazepam • Ethyl Loflazepate • Etizolam • Fludiazepam • Halazepam • Imidazenil • Ketazolam • Lorazepam • Medazepam • Nordazepam • Oxazepam • Pinazepam • Prazepam

Carbamates

Emylcamate • Mebutamate • Meprobamate (Carisoprodol, Tybamate) • Phenprobamate • Procymate

Nonbenzodiazepines

Abecarnil • Adipiplon • Alpidem • CGS-8216 • CGS-9896 • CGS-13767 • CGS-20625 • Divaplon • ELB-139 • Fasiplon • GBLD-345 • Gedocarnil • L-838,417 • NS-2664 • NS-2710 • Ocinaplon • Pagoclone • Panadiplon • Pipequaline • RWJ-51204 • SB-205,384 • SL-651,498 • Taniplon • TP-003 • TP-13 • TPA-023 • Y-23684 • ZK-93423

Pyrazolopyridines

Cartazolate • Etazolate • ICI-190,622 • Tracazolate

Others

Chlormezanone • Ethanol (Alcohol) • Etifoxine • Kavalactones (Kava Kava) • Skullcap • Valerenic Acid (Valerian)

α₂δ VDCC Blockers
Gabapentin • Pregabalin

5-HT_1A Agonists
Azapirones: Buspirone • Gepirone • Tandospirone; Others: Flesinoxan • Oxaflozane

H₁ Antagonists
Diphenylmethanes: Captodiame • Hydroxyzine; Others: Brompheniramine • Chlorpheniramine • Pheniramine

CRH₁ Antagonists
Antalarmin • CP-154,526 • Pexacerfont • Pivagabine

NK₂ Antagonists
GR-159,897 • Saredutant

MCH₁ antagonists
ATC-0175 • SNAP-94847

mGluR₂_/₃ Agonists
Eglumegad

mGluR5 NAMs
Fenobam

TSPO agonists
DAA-1097 • DAA-1106 • Emapunil • FGIN-127 • FGIN-143

σ₁ agonists
Afobazole • Opipramol

Others
Benzoctamine • Carbetocin • Demoxytocin • Mephenoxalone • Mepiprazole • Oxanamide • Oxytocin • Promoxolane • Tofisopam • Trimetozine • WAY-267,464

^#WHO-EM. ^‡Withdrawn from market. Clinical trials: ^†Phase III. ^§Never to phase III

M: PSO/PSI

mepr

dsrd (o, p, m, p, a, d, s), sysi/epon, spvo

proc(eval/thrp), drug(N5A/5B/5C/6A/6B/6D)

v · d · eHypnotics/Sedatives (N05C)

GABA_A Agonists/PAMs
Barbiturates: Allobarbital • Amobarbital • Aprobarbital • Barbital • Butabarbital • Butobarbital • Cyclobarbital • Ethallobarbital • Heptabarbital • Hexobarbital • Mephobarbital • Methohexital • Pentobarbital • Phenobarbital • Proxibarbal • Reposal • Secobarbital • Talbutal • Thiamylal • Thiopental • Vinbarbital • Vinylbital; Benzodiazepines: Brotizolam • Clonazepam • Cinolazepam • Climazolam • Doxefazepam • Estazolam • Flunitrazepam • Flurazepam • Flutoprazepam • Haloxazolam • Loprazolam • Lormetazepam • Midazolam • Nimetazepam • Nitrazepam • Quazepam • Temazepam • Triazolam; Carbamates: Carisoprodol • Ethinamate • Hexapropymate • Meprobamate • Methocarbamol • Procymate • Tybamate; Neuroactive Steroids: Acebrochol • Allopregnanolone • Alphadolone • Alphaxolone • Eltanolone • Ganaxolone • Hydroxydione • Minaxolone • Org 20599 • Org 21465 • Tetrahydrodeoxycorticosterone; Nonbenzodiazepines: CL-218,872 • Eszopiclone • Indiplon • JM-1232 • Lirequinil • Necopidem • Pazinaclone • ROD-188 • Saripidem • Suproclone • Suriclone • SX-3228 • U-89843A • U-90042 • Zaleplon • Zolpidem • Zopiclone; Phenols: Fospropofol • Propofol; Piperidinediones: Glutethimide • Methyprylon • Pyrithyldione • Piperidione; Quinazolinones: Afloqualone • Cloroqualone • Diproqualone • Etaqualone • Mebroqualone • Mecloqualone • Methaqualone • Methylmethaqualone • Nitromethaqualone; Others: 2-Methyl-2-butanol • Acetophenone • Acetylglycinamide chloral hydrate • Bromide (Lithium bromide, Potassium bromide, Sodium bromide) • Centalun • Chloral hydrate • Chloralose • Chloralodol • Clomethiazole • Dichloralphenazone • Ethanol (Alcohol) • Ethchlorvynol • Etomidate • Gaboxadol • Loreclezole • Methylpentynol • Metomidate • Paraldehyde • Petrichloral • Sulfonmethane • Trichloroethanol • Triclofos • Valerenic acid (Valerian)

GABA_B Agonists
1,4-Butanediol • Aceburic acid • GABOB • GHB • GBL • GVL

H₁ Inverse agonists
Antihistamines: Captodiame • Cyproheptadine • Dimenhydrinate • Diphenhydramine • Doxylamine • Hydroxyzine • Methapyrilene • Pheniramine • Promethazine • Propiomazine; Others: Tricyclic antidepressants (Amitriptyline, Doxepin, Trimipramine, etc.) • Tetracyclic antidepressants (Mianserin, Mirtazapine, etc.) • Typical antipsychotics (Chlorpromazine, Thioridazine, etc.) • Atypical antipsychotics (Olanzapine, Quetiapine, Risperidone, etc.)

α₁-Adrenergic Antagonists
Mianserin • Niaprazine • Trazodone; Others: Tricyclic antidepressants (Amitriptyline, Doxepin, Trimipramine, etc.) • Typical antipsychotics (Chlorpromazine, Thioridazine, etc.) • Atypical antipsychotics (Olanzapine, Quetiapine, Risperidone, etc.)

α₂-Adrenergic Agonists
4-NEMD • Clonidine • Detomidine • Dexmedetomidine • Lofexidine • Medetomidine • Romifidine • Tizanidine • Xylazine

5-HT_2A Antagonists
Eplivanserin • Niaprazine • Pruvanserin • Trazodone • Volinanserin; Others: Tricyclic antidepressants (Amitriptyline, Doxepin, Trimipramine, etc.) • Tetracyclic antidepressants (Mianserin, Mirtazapine, etc.) • Typical antipsychotics (Chlorpromazine, Thioridazine, etc.) • Atypical antipsychotics (Olanzapine, Quetiapine, Risperidone, etc.)

Melatonin Agonists
Agomelatine • LY-156,735 • Melatonin • Ramelteon • Tasimelteon

Orexin Antagonists
Almorexant • SB-334,867 • SB-408,124 • SB-649,868 • Suvorexant • TCS-OX2-29

Others
Acecarbromal • Apronal • Bromisoval • Cannabidiol (Cannabis) • Carbromal • Embutramide • Evoxine • Fenadiazole • Gabapentin • Kavalactones (Kava) • Mephenoxalone • Opiates/Opioids (Hydrocodone, Morphine (Opium), etc.) • Passion flower • Scopolamine (Mandrake) • Valnoctamide

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