S-8510

This drug entry is a stub and has not been fully annotated. It is scheduled to be annotated soon.

Identification

Generic Name
S-8510
DrugBank Accession Number
DB06504
Background

S-8510 / SB-737552 is a BZD inverse agonist investigated for the treatment of Alzheimer’s disease and mild to moderate senile dementia. It was being codeveloped by Shionogi and GlaxoSmithKline.

Type
Small Molecule
Groups
Investigational
Structure
Thumb
Weight
Average: 242.238
Monoisotopic: 242.080375578
Chemical Formula
C12H10N4O2
Synonyms
Not Available
External IDs
  • SB-737552

Pharmacology

Indication

Investigated for use/treatment in alzheimer's disease and dementia.

Pharmacology
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Contraindications & Blackbox Warnings
Contraindications
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Pharmacodynamics

Not Available

Mechanism of action

S-8510 is a BZD partial inverse agonist to the BZD site on the GABA-A receptors in the central nervous system. As an inverse agonist (which as a group elicit CNS effects such as insomnia, agitation, and proconvulsant behaviors), S-8510 functions as a negative modulator of the GABA-A receptor. S-8510, however, is a partial inverse agonist, which means it has a lower affinity for the BZD binding site than do full agonists, and studies in animals have shown that the drug does not induce convulsions or anxiety. 6

Absorption

Not Available

Volume of distribution

Not Available

Protein binding

Not Available

Metabolism
Not Available
Route of elimination

Not Available

Half-life

Not Available

Clearance

Not Available

Adverse Effects
Medicalerrors
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Toxicity

Not Available

Pathways
Not Available
Pharmacogenomic Effects/ADRs
Not Available

Interactions

Drug Interactions
This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. The absence of an interaction does not necessarily mean no interactions exist.
Not Available
Food Interactions
Not Available

Categories

Drug Categories
Chemical TaxonomyProvided by Classyfire
Description
This compound belongs to the class of organic compounds known as pyranopyridines. These are polycyclic aromatic compounds containing a pyran ring fused to a pyridine ring.
Kingdom
Organic compounds
Super Class
Organoheterocyclic compounds
Class
Pyranopyridines
Sub Class
Not Available
Direct Parent
Pyranopyridines
Alternative Parents
Imidazo-[4,5-c]pyridines / Pyridines and derivatives / Isoxazoles / Imidazoles / Heteroaromatic compounds / Oxacyclic compounds / Dialkyl ethers / Azacyclic compounds / Organopnictogen compounds / Organonitrogen compounds
show 1 more
Substituents
Aromatic heteropolycyclic compound / Azacycle / Azole / Dialkyl ether / Ether / Heteroaromatic compound / Hydrocarbon derivative / Imidazo-[4,5-c]pyridine / Imidazole / Imidazopyridine
show 9 more
Molecular Framework
Aromatic heteropolycyclic compounds
External Descriptors
Not Available
Affected organisms
Not Available

Chemical Identifiers

UNII
92SP8RX873
CAS number
Not Available
InChI Key
ITPFSYAYHHPKRT-UHFFFAOYSA-N
InChI
InChI=1S/C12H10N4O2/c1-3-17-6-7-8(1)13-5-10-11(7)15-12(14-10)9-2-4-18-16-9/h2,4-5H,1,3,6H2,(H,14,15)
IUPAC Name
4-(1,2-oxazol-3-yl)-12-oxa-3,5,8-triazatricyclo[7.4.0.0^{2,6}]trideca-1(9),2(6),3,7-tetraene
SMILES
C1CC2=C(CO1)C1=C(NC(=N1)C1=NOC=C1)C=N2

References

General References
  1. Kawasaki K, Eigyo M, Ikeda M, Kihara T, Koike K, Matsushita A, Murata S, Shiomi T, Takada S, Yasui M: A novel benzodiazepine inverse agonist, S-8510, as a cognitive enhancer. Prog Neuropsychopharmacol Biol Psychiatry. 1996 Nov;20(8):1413-25. [Article]
  2. Nezasa K, Higaki K, Takeuchi M, Yukawa T, Nakano M: Pharmacokinetics of a novel benzodiazepine partial inverse agonist in the F344 rat, SD rat and B6C3F1 mouse. Xenobiotica. 1998 May;28(5):515-25. doi: 10.1080/004982598239434 . [Article]
  3. Abe K, Takeyama C, Yoshimura K: Effects of S-8510, a novel benzodiazepine receptor partial inverse agonist, on basal forebrain lesioning-induced dysfunction in rats. Eur J Pharmacol. 1998 Apr 24;347(2-3):145-52. [Article]
  4. Abe K, Sawada T, Horiuchi M, Yoshimura K: Effects of S-8510, a benzodiazepine receptor partial inverse agonist, on event-related potentials (P300) in monkeys. Psychopharmacology (Berl). 1999 Jan;141(1):71-6. [Article]
  5. Takada S, Sasatani T, Chomei N, Adachi M, Fujishita T, Eigyo M, Murata S, Kawasaki K, Matsushita A: Synthesis and structure--activity relationships of fused imidazopyridines: a new series of benzodiazepine receptor ligands. J Med Chem. 1996 Jul 5;39(14):2844-51. doi: 10.1021/jm9600609. [Article]
  6. Alzheimer’s Therapy: GABA Receptor Inverse Agonists [Link]
ChemSpider
11187861
ZINC
ZINC000006119198

Clinical Trials

Clinical Trials
PhaseStatusPurposeConditionsCount

Pharmacoeconomics

Manufacturers
Not Available
Packagers
Not Available
Dosage Forms
Not Available
Prices
Not Available
Patents
Not Available

Properties

State
Solid
Experimental Properties
Not Available
Predicted Properties
PropertyValueSource
Water Solubility0.977 mg/mLALOGPS
logP1.43ALOGPS
logP0.76ChemAxon
logS-2.4ALOGPS
pKa (Strongest Acidic)8.75ChemAxon
pKa (Strongest Basic)4.68ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area76.83 Å2ChemAxon
Rotatable Bond Count1ChemAxon
Refractivity73.28 m3·mol-1ChemAxon
Polarizability24.55 Å3ChemAxon
Number of Rings4ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted ADMET Features
Not Available

Spectra

Mass Spec (NIST)
Not Available
Spectra
Not Available

Drug created on March 19, 2008 16:35 / Updated on June 12, 2020 16:52