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Details

Stereochemistry ACHIRAL
Molecular Formula C15H17FN4O2.C4H4O4
Molecular Weight 420.3916
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 1
Charge 0

SHOW SMILES / InChI
Structure of FLUPIRTINE MALEATE

SMILES

OC(=O)\C=C/C(O)=O.CCOC(=O)NC1=C(N)N=C(NCC2=CC=C(F)C=C2)C=C1

InChI

InChIKey=DPYIXBFZUMCMJM-BTJKTKAUSA-N
InChI=1S/C15H17FN4O2.C4H4O4/c1-2-22-15(21)19-12-7-8-13(20-14(12)17)18-9-10-3-5-11(16)6-4-10;5-3(6)1-2-4(7)8/h3-8H,2,9H2,1H3,(H,19,21)(H3,17,18,20);1-2H,(H,5,6)(H,7,8)/b;2-1-

HIDE SMILES / InChI
Flupirtine is a triaminopyridine derivative having a chemical structure - 2-amino-3-ethoxy-carbonylamino-6-4-fluoro-benzylamino-pyridine. The basic molecule used for synthesis of flupirtine was 2, 6-dichoro 3-nitropyridine. It was first synthesized in 1980s in Germany and was marketed by Degussa Pharma. Flupirtine is a centrally acting, non-opioid analgesic that is available in a number of European countries for the treatment of a variety of pain states. The therapeutic benefits seen with flupirtine relate to its unique pharmacological properties. Flupirtine displays indirect NDMA receptor antagonism via activation of potassium channels and is the first representative of a pharmacological class denoted the 'selective neuronal potassium channel openers'. The generation of the M-current is facilitated by flupirtine via the opening of neuronal Kv7 potassium channels. The opening of these channels inhibits exaggerated neuronal action potential generation and controls neuronal excitability. Neuronal hyperexcitability is a physiological component of many pain states such as chronic pain, migraine and neurogenic pain.

Approval Year

PubMed

PubMed

TitleDatePubMed
Quantitation of flupirtine and its active acetylated metabolite by reversed-phase high-performance liquid chromatography using fluorometric detection.
1984 Jan 13
[General pharmacologic studies on the analgesic flupirtine].
1985
Pharmacokinetics of flupirtine in elderly volunteers and in patients with moderate renal impairment.
1988 May
Pharmacological mechanisms of action of flupirtine: a novel, centrally acting, nonopioid analgesic evaluated by its discriminative effects in the rat.
1988 Sep
Antiparkinsonian and other motor effects of flupirtine alone and in combination with dopaminergic drugs.
1997 May 26
Melatonin counteracts ischemia-induced apoptosis in human retinal pigment epithelial cells.
1998 Nov
[The use of katadolon in patients with spondylogenic dorsalgia].
2006
[Many faces--one disease: fibromyalgia].
2007 Jul
Molecular expression and pharmacological identification of a role for K(v)7 channels in murine vascular reactivity.
2007 Jul
Flupirtine attenuates sodium nitroprusside-induced damage to retinal photoreceptors, in situ.
2007 Jul 12
[Efficacy of katadolon and cranial-spine electromagnetic neuromodulation in patients with discogenic radiculopathy].
2008
Systematic review of therapeutic interventions in human prion disease.
2008 Apr 8
K(+)-channel openers suppress epileptiform activities induced by 4-aminopyridine in cultured rat hippocampal neurons.
2008 Dec
Analgesic efficacy and tolerability of flupirtine vs. tramadol in patients with subacute low back pain: a double-blind multicentre trial*.
2008 Dec
Molecular pharmacology and therapeutic potential of neuronal Kv7-modulating drugs.
2008 Feb
Antihyperalgesic and analgesic properties of the N-methyl-D-aspartate (NMDA) receptor antagonist neramexane in a human surrogate model of neurogenic hyperalgesia.
2008 Jan
[Analgesic and muscle tonus normalizing effect of flupirtine retard in chronic back pain. Results of a standardized therapeutic evaluation applying objective methods for measuring pain pressure threshold, pain pressure tolerance and muscle tension].
2008 Jan 17
The efficacy of tetracyclines in peripheral and intracerebral prion infection.
2008 Mar 26
G-protein inwardly rectifying potassium channels are involved in the hypotensive effect of I1-imidazoline receptor selective ligands.
2008 May
Vascular KCNQ potassium channels as novel targets for the control of mesenteric artery constriction by vasopressin, based on studies in single cells, pressurized arteries, and in vivo measurements of mesenteric vascular resistance.
2008 May
Flupirtine as neuroprotective add-on therapy in autoimmune optic neuritis.
2008 Nov
Combination therapy with flupirtine and opioid: open-label case series in the treatment of neuropathic pain associated with cancer.
2008 Oct
Combination therapy with flupirtine and opioid: studies in rat pain models.
2008 Oct
Bimodal effects of the Kv7 channel activator retigabine on vascular K+ currents.
2008 Sep
Enhancing m currents: a way out for neuropathic pain?
2009
Neural KCNQ (Kv7) channels.
2009 Apr
KCNQ modulators reveal a key role for KCNQ potassium channels in regulating the tone of rat pulmonary artery smooth muscle.
2009 Apr
[Systematic review of the therapeutics for prion diseases].
2009 Aug
Treatment with the Kv7 potassium channel activator flupirtine is beneficial in two independent mouse models of pulmonary hypertension.
2009 Aug
Efficacy and safety of bilateral continuous theta burst stimulation (cTBS) for the treatment of chronic tinnitus: design of a three-armed randomized controlled trial.
2009 Aug 21
[Efficient treatment of chronic backache].
2009 Dec 10
KCNQ currents and their contribution to resting membrane potential and the excitability of interstitial cells of Cajal from the guinea pig bladder.
2009 Jul
Investigation of the in vitro metabolism of the analgesic flupirtine.
2009 Mar
Neuronal potassium channel openers in the management of epilepsy: role and potential of retigabine.
2010
[New approaches to the treatment of chronic daily headache].
2010
The M-channel blocker linopirdine is an agonist of the capsaicin receptor TRPV1.
2010
[IGOST guideline for pharmacotherapy of low back pain].
2010 Aug 12
Positive reinforcing effects of flupirtine--two case reports.
2010 Aug 16
Interference with bile salt export pump function is a susceptibility factor for human liver injury in drug development.
2010 Dec
Flupirtine may stop the progressive course of subacute sclerosing panencephalitis.
2010 Dec
Enhancement of axonal potassium conductance reduces nerve hyperexcitability in an in vitro model of oxaliplatin-induced acute neuropathy.
2010 Dec
Evidence of key tinnitus-related brain regions documented by a unique combination of manganese-enhanced MRI and acoustic startle reflex testing.
2010 Dec 15
[2010 German Pain Congress. Backache - new data, specific muscle etiology and targeted therapy].
2010 Dec 16
[Musculoskeletal pain. Pain relief with muscle relaxant].
2010 Dec 2
CNSB004 (Leconotide) causes antihyperalgesia without side effects when given intravenously: a comparison with ziconotide in a rat model of diabetic neuropathic pain.
2010 Feb
Discrepancy between prevalence and perceived effectiveness of treatment methods in myofascial pain syndrome: results of a cross-sectional, nationwide survey.
2010 Feb 11
The Kv7 potassium channel activator flupirtine affects clinical excitability parameters of myelinated axons in isolated rat sural nerve.
2010 Mar
Green urine following exposure to flupirtine.
2010 Nov
Flupirtine in pain management: pharmacological properties and clinical use.
2010 Oct
M-type potassium channels modulate the intrinsic excitability of infralimbic neurons and regulate fear expression and extinction.
2010 Sep 15
Patents

Sample Use Guides

Flupirtine can be administered by oral and rectal routes. It is available as 50 and 100 mg for oral administration. Adult dose is 300–400 mg per day and can be increased to 600 mg per day. Dose in children is 150–200 mg per day in 3–4 divided doses. Rectal suppositories are administered in the dose range of 450–600 mg per day in adults and 150–250 mg per day in children.
Route of Administration: Other
Variations in the growth of U373 MG cells in 5 mM N-methyl-D-aspartate (NMDA), 1 mM flupirtine, and combined treatment indicated the antagonistic effects of NMDA and flupirtine on MG cell lines. The variation in the percentage of gated cell population in different cell cycle phases showed significant variations after 48 h of treatment.
Name Type Language
FLUPIRTINE MALEATE
MART.   MI   USAN   VANDF   WHO-DD  
USAN  
Official Name English
FLUPIRTINE MALEATE [USAN]
Common Name English
CARBAMIC ACID, (2-AMINO-6-(((4-FLUOROPHENYL)METHYL)AMINO)-3-PYRIDINYL)-, ETHYL ESTER, (Z)-2-BUTENEDIOATE (1:1)
Systematic Name English
D-9998
Code English
FLUPIRTINTE MALEATE [VANDF]
Common Name English
FLUPIRTINE MALEATE [MART.]
Common Name English
ETHYL 2-AMINO-6-((P-FLUOROBENZYL)AMINO)-3-PYRIDINECARBAMATE MALEATE (1:1)
Systematic Name English
Flupirtine maleate [WHO-DD]
Common Name English
FLUPIRTINE MALEATE [VANDF]
Common Name English
FLUPIRTINE MALEATE [MI]
Common Name English
W-2964M
Code English
Classification Tree Code System Code
NCI_THESAURUS C241
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
Code System Code Type Description
MERCK INDEX
m5491
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY Merck Index
NCI_THESAURUS
C72785
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY
ECHA (EC/EINECS)
278-225-0
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY
CAS
75507-68-5
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY
RXCUI
236774
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PRIMARY RxNorm
USAN
W-19
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PRIMARY
SMS_ID
100000086994
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY
EPA CompTox
DTXSID8045771
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PRIMARY
PUBCHEM
6435335
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PRIMARY
ChEMBL
CHEMBL255044
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PRIMARY
DRUG BANK
DBSALT000912
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PRIMARY
EVMPD
SUB02234MIG
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PRIMARY
FDA UNII
0VCI53PK4A
Created by admin on Fri Dec 15 16:21:10 GMT 2023 , Edited by admin on Fri Dec 15 16:21:10 GMT 2023
PRIMARY