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Details

Stereochemistry ABSOLUTE
Molecular Formula C29H31F3N2O3
Molecular Weight 512.5632
Optical Activity UNSPECIFIED
Defined Stereocenters 2 / 2
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of ALMOREXANT

SMILES

CNC(=O)[C@H](N1CCC2=C(C=C(OC)C(OC)=C2)[C@@H]1CCC3=CC=C(C=C3)C(F)(F)F)C4=CC=CC=C4

InChI

InChIKey=DKMACHNQISHMDN-RPLLCQBOSA-N
InChI=1S/C29H31F3N2O3/c1-33-28(35)27(20-7-5-4-6-8-20)34-16-15-21-17-25(36-2)26(37-3)18-23(21)24(34)14-11-19-9-12-22(13-10-19)29(30,31)32/h4-10,12-13,17-18,24,27H,11,14-16H2,1-3H3,(H,33,35)/t24-,27+/m0/s1

HIDE SMILES / InChI

Molecular Formula C29H31F3N2O3
Molecular Weight 512.5632
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 2 / 2
E/Z Centers 0
Optical Activity UNSPECIFIED

Description
Curator's Comment: description was created based on several sources, including https://www.ncbi.nlm.nih.gov/pubmed/20047164

Almorexant (ACT-078573) is an orally active dual orexin receptor antagonist that is being developed by Actelion Ltd, in collaboration with GlaxoSmithKline plc, for the treatment of primary insomnia. Almorexant is a first-in-class compound that targets the orexin system, which plays a key role in wake promotion and stabilization; In January 2011, GlaxoSmithKline (GSK) and Actelion Ltd announced that clinical development of Phase III of almorexant has been discontinued. This decision follows a review of data from additional clinical studies, which were conducted to further establish the clinical profile of almorexant, including the tolerability profile.

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
Unknown

Approved Use

Unknown
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
291 ng/mL
1000 mg single, oral
dose: 1000 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
111 ng/mL
200 mg single, oral
dose: 200 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
115 ng/mL
400 mg single, oral
dose: 400 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
1910 ng × h/mL
1000 mg single, oral
dose: 1000 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
362 ng × h/mL
200 mg single, oral
dose: 200 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
638 ng × h/mL
400 mg single, oral
dose: 400 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
19 h
1000 mg single, oral
dose: 1000 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
13.1 h
200 mg single, oral
dose: 200 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
15.1 h
400 mg single, oral
dose: 400 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
ALMOREXANT plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
Sourcing

Sourcing

Vendor/AggregatorIDURL
PubMed

PubMed

TitleDatePubMed
The evolving story of orexin biology: the hits keep coming.
2009
Blockade of orexin-1 receptors attenuates orexin-2 receptor antagonism-induced sleep promotion in the rat.
2009 Jul
Molecule of the month. Almorexant.
2009 May
Amyloid-beta dynamics are regulated by orexin and the sleep-wake cycle.
2009 Nov 13
Hypocretin/orexin contributes to the expression of some but not all forms of stress and arousal.
2009 Oct
Antagonism of rat orexin receptors by almorexant attenuates central chemoreception in wakefulness in the active period of the diurnal cycle.
2010 Aug 1
Orexin receptor antagonists: a new concept in CNS disorders?
2010 Aug 2
Mapping the binding pocket of dual antagonist almorexant to human orexin 1 and orexin 2 receptors: comparison with the selective OX1 antagonist SB-674042 and the selective OX2 antagonist N-ethyl-2-[(6-methoxy-pyridin-3-yl)-(toluene-2-sulfonyl)-amino]-N-pyridin-3-ylmethyl-acetamide (EMPA).
2010 Jul
Novel pyrazolo-tetrahydropyridines as potent orexin receptor antagonists.
2010 Mar 1
Intact learning and memory in rats following treatment with the dual orexin receptor antagonist almorexant.
2010 Oct
[The newer sedative-hypnotics].
2010 Sep
Patents

Sample Use Guides

Almorexant 200mg or matching placebo (double-blind) was administered orally once daily in the morning for 10 days
Route of Administration: Oral
Almorexant inhibits intracellular calcium release in HEK-293 cells expressing either Ox-R1 or Ox-R2. Using the fluorescence based calcium mobilization assay in Human Embryonic Kidney Cells (HEK Cells), full dose-response curves were generated for orexin-A at Ox-and orexin-B at Ox-R2. Almorexant alone did not induce intracellular calcium release at either Ox-R1 or Ox-R2. However Orexin-B (10 nM) induced changes in intracellular calcium fluorescence at the Ox-R2 receptor, were dose-dependently inhibited by almorexant (concentration range: 10 pM-100 µM).
Substance Class Chemical
Created
by admin
on Fri Dec 15 16:07:25 GMT 2023
Edited
by admin
on Fri Dec 15 16:07:25 GMT 2023
Record UNII
9KCW39P2EI
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
ALMOREXANT
INN   MI   WHO-DD  
INN  
Official Name English
Almorexant [WHO-DD]
Common Name English
(2R)-2-((1S)-6,7-DIMETHOXY-1-(2-(4-(TRIFLUOROMETHYL)PHENYL)ETHYL)-3,4-DIHYDROISOQUINOLIN-2(1H)-YL)-N-METHYL-2-PHENYLACETAMIDE
Systematic Name English
almorexant [INN]
Common Name English
ALMOREXANT [MI]
Common Name English
ACT-078573
Code English
Classification Tree Code System Code
NCI_THESAURUS C29728
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
Code System Code Type Description
PUBCHEM
23727689
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
CAS
871224-64-5
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
MESH
C519150
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
MERCK INDEX
m1567
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY Merck Index
WIKIPEDIA
Almorexant
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
INN
8913
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
SMS_ID
300000034108
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
NCI_THESAURUS
C87423
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
DRUG BANK
DB06673
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
FDA UNII
9KCW39P2EI
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
EPA CompTox
DTXSID801007352
Created by admin on Fri Dec 15 16:07:25 GMT 2023 , Edited by admin on Fri Dec 15 16:07:25 GMT 2023
PRIMARY
Related Record Type Details
TARGET -> INHIBITOR
SALT/SOLVATE -> PARENT
TARGET -> INHIBITOR
Related Record Type Details
ACTIVE MOIETY