NAV

CRx-119

Identification

Generic Name
CRx-119
DrugBank Accession Number
DB05688
Background

CRx-119 is a novel synergistic combination drug candidate discovered using the CombinatoRx combination High Throughput Screening (cHTS(TM)) technology with potential therapeutic use in a broad range of immuno-inflammatory conditions. CRx-119 is a combination of a low dose of the steroid prednisolone, 3mg, and amoxapine.

Type
Small Molecule
Groups
Investigational
Synonyms
Not Available
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Pharmacology

Indication

Investigated for use/treatment in periodontal disease and rheumatoid arthritis.

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Pharmacodynamics

CRx-119 is a novel orally available syncretic drug candidate in clinical development for immunoinflammatory diseases. A syncretic drug comprises two compounds that are designed to act together synergistically through multiple pathways to provide a novel therapeutic effect which neither component alone can achieve. CRx-119 contains a low dose of the steroid prednisolone and amoxapine. The target product profile for CRx-119 is to selectively amplify certain elements of prednisolone's anti-inflammatory and immunomodulatory effects, without replicating steroid toxicity.

Mechanism of action

Amoxapine acts by decreasing the reuptake of norepinephrine and serotonin (5-HT). Glucocorticoids such as prednisolone can inhibit leukocyte infiltration at the site of inflammation, interfere with mediators of inflammatory response, and suppress humoral immune responses. The antiinflammatory actions of glucocorticoids are thought to involve phospholipase A2 inhibitory proteins, lipocortins, which control the biosynthesis of potent mediators of inflammation such as prostaglandins and leukotrienes. Prednisolone reduces inflammatory reaction by limiting the capillary dilatation and permeability of the vascular structures. These compounds restrict the accumulation of polymorphonuclear leukocytes and macrophages and reduce the release of vasoactive kinins. Recent research suggests that corticosteroids may inhibit the release of arachidonic acid from phospholipids, thereby reducing the formation of prostaglandins. Prednisolone is a glucocorticoid receptor agonist. On binding, the corticoreceptor-ligand complex translocates itself into the cell nucleus, where it binds to many glucocorticoid response elements (GRE) in the promoter region of the target genes. The DNA bound receptor then interacts with basic transcription factors, causing an increase or decrease in expression of specific target genes, including suppression of IL2 (interleukin 2) expression.

TargetActionsOrganism
USodium-dependent serotonin transporterNot AvailableHumans
USodium-dependent noradrenaline transporterNot AvailableHumans
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
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Toxicity

CRx-119 was generally well tolerated and there were no drug-related serious adverse events reported. The most common adverse event observed with CRx-119 was drowsiness, a known side-effect of amoxapine.

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
Not Available
Classification
Not classified
Affected organisms
  • Humans and other mammals

Chemical Identifiers

UNII
Not Available
CAS number
Not Available
InChI Key
Not Available
InChI
Not Available
IUPAC Name
Not Available
SMILES
Not Available

References

General References
Not Available
PubChem Substance
347910193

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
Not Available
Predicted ADMET Features
Not Available

Spectra

Mass Spec (NIST)
Not Available
Spectra
Not Available
Chromatographic Properties
Collision Cross Sections (CCS)
Not Available

Targets

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Details1. Sodium-dependent serotonin transporter
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Serotonin:sodium symporter activity
Specific Function
Serotonin transporter whose primary function in the central nervous system involves the regulation of serotonergic signaling via transport of serotonin molecules from the synaptic cleft back into t...
Gene Name
SLC6A4
Uniprot ID
P31645
Uniprot Name
Sodium-dependent serotonin transporter
Molecular Weight
70324.165 Da
Details2. Sodium-dependent noradrenaline transporter
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Norepinephrine:sodium symporter activity
Specific Function
Amine transporter. Terminates the action of noradrenaline by its high affinity sodium-dependent reuptake into presynaptic terminals.
Gene Name
SLC6A2
Uniprot ID
P23975
Uniprot Name
Sodium-dependent noradrenaline transporter
Molecular Weight
69331.42 Da

Carriers

Details1. Corticosteroid-binding globulin
Kind
Protein
Organism
Humans
Pharmacological action
Unknown
General Function
Steroid binding
Specific Function
Major transport protein for glucocorticoids and progestins in the blood of almost all vertebrate species.
Gene Name
SERPINA6
Uniprot ID
P08185
Uniprot Name
Corticosteroid-binding globulin
Molecular Weight
45140.49 Da

Drug created at November 18, 2007 18:27 / Updated at June 12, 2020 16:52