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| Name | Duloxetine | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Accession Number | DB00476 (APRD00060) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Type | small molecule | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Groups | approved | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Description | Duloxetine (brand names Cymbalta, Yentreve, and in parts of Europe, Xeristar or Ariclaim) is a drug which primarily targets major depressive disorder (MDD), generalized anxiety disorder (GAD), pain related to diabetic peripheral neuropathy and in some countries stress urinary incontinence (SUI). It is manufactured and marketed by Eli Lilly and Company. Duloxetine has not yet been FDA approved for stress urinary incontinence or for fibromyalgia. Duloxetine is a selective SNRI (selective serotonin-norepinephrine reuptake inhibitor). Duloxetine is a systemic drug therapy which affects the body as a whole. Known also under the code name LY248686, it is a potent dual reuptake inhibitor of serotonin (5-hydroxytryptamine, 5-HT) and norepinephrine (NE), possessing comparable affinities in binding to NE- and 5-HT transporter sites. It is a less potent inhibitor of dopamine reuptake. |
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| Structure |
Download: MOL | SDF | SMILES | InChI Display: 2D Structure | 3D Structure |
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| Salts | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Brand mixtures | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| CAS number | 136434-34-9 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Weight |
Average: 297.415 Monoisotopic: 297.118734925 |
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| Chemical Formula | C18H19NOS | ||||||||||||||||||||||||||||||||||||||||||||||||||
| InChI Key | InChIKey=ZEUITGRIYCTCEM-KRWDZBQOSA-N | ||||||||||||||||||||||||||||||||||||||||||||||||||
| InChI |
InChI=1S/C18H19NOS/c1-19-12-11-17(18-10-5-13-21-18)20-16-9-4-7-14-6-2-3-8-15(14)16/h2-10,13,17,19H,11-12H2,1H3/t17-/m0/s1
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| IUPAC Name |
methyl[(3S)-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl]amine
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| SMILES |
CNCC[C@H](OC1=CC=CC2=CC=CC=C12)C1=CC=CS1
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| Mass Spec | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Kingdom | Organic | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Pharmacology | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Indication | For the acute and maintenance treatment of major depressive disorder (MDD), as well as acute management of generalized anxiety disorder. Also used for the management of neuropathic pain associated with diabetic peripheral neuropathy, and fibromyalgia. Has been used in the management of moderate to severe stress urinary incontinence (SUI) in women. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Pharmacodynamics | Duloxetine is in a class of medications called selective serotonin and norepinephrine reuptake inhibitors (SSNRIs) and primarily targets major depressive disorders (MDD) and stress urinary incontinence (SUI). Duloxetine is also used to treat pain and tingling caused by diabetic neuropathy (damage to nerves that can develop in people who have diabetes). Known also as LY248686, it is a potent dual inhibitor of serotonin (5-hydroxytryptamine, 5-HT) and norepinephrine (NE) reuptake, possessing comparable affinities in binding to NE and 5-HT transport sites. Interestingly, its behavior contrasts to most other dual-reuptake inhibitors. Furthermore, duloxentine lacks affinity for monoamine receptors within the central nervous system. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Mechanism of action | Duloxetine is a potent inhibitor of neuronal serotonin and norepinephrine reuptake and a less potent inhibitor of dopamine reuptake. Duloxetine has no significant affinity for dopaminergic, adrenergic, cholinergic, histaminergic, opioid, glutamate, and GABA receptors. The antidepressant and pain inhibitory actions of duloxetine are believed to be related to its potentiation of serotonergic and noradrenergic activity in the CNS. The mechanism of action of duloxetine in SUI has not been determined, but is thought to be associated with the potentiation of serotonin and norepinephrine activity in the spinal cord, which increases urethral closure forces and thereby reduces involuntary urine loss. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Absorption | Orally administered duloxetine hydrochloride is well absorbed. | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Protein binding | Protein binding is greater than 90%. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Metabolism | The major biotransformation pathways for duloxetine involve oxidation of the naphthyl ring followed by conjugation and further oxidation. Both CYP2D6 and CYP1A2 catalyze the oxidation of the naphthyl ring in vitro. Metabolites found in plasma include 4-hydroxy duloxetine glucuronide and 5-hydroxy, 6-methoxy duloxetine sulfate. The major circulating metabolites have not been shown to contribute significantly to the pharmacologic activity of duloxetine. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Route of elimination | Many additional metabolites have been identified in urine, some representing only minor pathways of elimination. Most (about 70%) of the duloxetine dose appears in the urine as metabolites of duloxetine; about 20% is excreted in the feces. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Half life | 12 hours (range 8-17 hours) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Clearance | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Toxicity | Oral, rat LD50: 491 mg/kg for males and 279 mg/kg for females. Symptoms of overdose include tremors, convulsions, reduced activity, slow pupillary response, intermittent tremors, and rigidity. | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Pathways | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Properties | |||||||||||||||||||||||||||||||||||||||||||||||||||
| State | solid | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Synthesis Reference | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
| General Reference |
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| ATC Codes |
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| AHFS Codes | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PDB Entries | Not Available | ||||||||||||||||||||||||||||||||||||||||||||||||||
| FDA label | show (104 KB) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| MSDS | show (76.3 KB) | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Targets |
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1. Sodium-dependent serotonin transporter Pharmacological action: yesActions: inhibitor Terminates the action of serotonine by its high affinity sodium-dependent reuptake into presynaptic terminals Organism class: humanUniProt ID: P31645 ![]() Gene: SLC6A4 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
2. Sodium-dependent noradrenaline transporter Pharmacological action: yesActions: inhibitor Amine transporter. Terminates the action of noradrenaline by its high affinity sodium-dependent reuptake into presynaptic terminals Organism class: humanUniProt ID: P23975 ![]() Gene: SLC6A2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. Sodium-dependent dopamine transporter Pharmacological action: unknownActions: inhibitor Amine transporter. Terminates the action of dopamine by its high affinity sodium-dependent reuptake into presynaptic terminals Organism class: humanUniProt ID: Q01959 ![]() Gene: SLC6A3 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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| Enzymes |
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Actions: substrate
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Most active in catalyzing 2-hydroxylation. Caffeine is metabolized primarily by cytochrome CYP1A2 in the liver through an initial N3-demethylation. Also acts in the metabolism of aflatoxin B1 and acetaminophen UniProt ID: P05177![]() Gene: CYP1A2 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate, inhibitor
Responsible for the metabolism of many drugs and environmental chemicals that it oxidizes. It is involved in the metabolism of drugs such as antiarrhythmics, adrenoceptor antagonists, and tricyclic antidepressants UniProt ID: P10635![]() Gene: CYP2D6 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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