ABBV-318 is a potent Nav1.7/ Nav1.8 blocker, with IC50s of 2.8 μM and 3.8 μM for hNav1.7 and hNav1.8, respectively. ABBV-318 can be used for the research of pain[1].
Co 102862 (V 102862) is a potent, broad-spectrum, state-dependent Na+ channel blocker. Co 102862 is also an orally active anticonvulsant[1].
VGSCs-IN-1 (compound 14), a 2-piperazine analog of Riluzole (HY-B0211), is a human voltage-gated sodium channels (VGSCs) inhibitor. VGSCs-IN-1 shows great Nav1.4 blocking activity. VGSCs-IN-1 has a pKa of 7.6 and a cLog P of 2.4. VGSCs-IN-1 can be used for cell excitability disorders research[1].
β-Pompilidotoxin (β-PMTX), a wasp venom, can slow sodium channel inactivation and increases steady-state sodium current in cells[1].
Articaine (Hoe-045 free base) is an amide anaesthetic containing an ester group, reversibly binding to the α-subunit of the voltage-gated sodium channels within the inner cavity of the nerve, can provide effective pain relief. Articaine ameliorates LPS-induced acute kidney injury via inhibition of NF-ĸB activation and the NLRP3 inflammasome pathway[1][2][3].
Metaflumizone is a semicarbazone insecticide, acts as a potent sodium channel blocker[1].
GNE-616 is a highly potent, metabolically stable, orally bioavailable, and subtype selective Nav1.7 inhibitor (Ki of 0.79 nM and Kd of 0.38 nM for hNav1.7) for the treatment of chronic pain. GNE-616 shows >1000 nM Kd and >2500-fold selectivity over hNav1.1, hNav1.3, hNav1.4, and hNav1.5. Selectivity over hNav1.2 and hNav1.6 is more modest at 31- and 73-fold, respectively[1].
Benzocaine shares a common receptor with all other local anesthetics (LAs) in the voltage-gated Na+ channel, with an IC50 of 0.8 mM tested with a potential of +30 mV.
Indoxacarb ((±)-Indoxacarb) is a broad-spectrum oxadiazine insecticide. Indoxacarb is metabolized in vivo to its active N-decarbomethoxyllated metabolite DCJW. Indoxacarb suppresses voltage-gated sodium channel currents in rat dorsal root ganglion neurons.
Dibucaine is a local anesthetic of the amide type now generally used for surface anesthesia.Target: Sodium ChannelDibucaine is an amide local anesthetic. Dibucaine reduced the degradation of BSA-gold complex in the reservosomes, which was not caused either by an inhibition of the whole proteolytic activity of the parasite or by a reduction on the expression levels of cruzipain [1].Dibucaine, a quaternary ammonium compound, inhibited SChE to a minimum within 2 min in a reversible manner. The inhibition was very potent. It had an IC(50) of 5.3 microM with BuTch or 3.8 microM with AcTch. The inhibition was competitive with respect to BuTch with a K(i) of 1.3 microM and a linear-mixed type (competitive/noncompetitive) with respect to AcTch with inhibition constants, K(i) and K(I) of 0.66 and 2.5 microM, respectively. Dibucaine possesses a butoxy side chain that is similar to the butryl group of BuTch and longer by an ethylene group from AcTch [2].
Flecainide hydrochloride is a potent and orally active antiarrhythmic agent. Flecainide hydrochloride blocks the cardiac fast inward Na+ current (INa) and the rapid component of the delayed rectifier K+ current. Flecainide hydrochloride prolongs the action potential duration (APD) in ventricular and atrial muscle fibres. Flecainide hydrochloride has the potential for the research of fetal tachycardias[1][2][3].
Halazone is an atypical antimicrobial sulfonamide derivative and a carbonic anhydrase II inhibitor with a Kd value of 1.45 µM. Halazone protects sodium channels from inactivation. Halazone is widely used for disinfection of drinking water[1][2].
Pilsicainide hydrochloride (SUN-1165) is an orally active sodium channel blocker and potent class Ic antiarrhythmic agent[1][2].
Phenytoin-15N2,13C is the 13C and 15N labeled Phenytoin[1]. Phenytoin (5,5-Diphenylhydantoin) is a potent Voltage-gated Na+ channels (VGSCs) blocker. Phenytoin has antiepileptic activity and reduces breast tumour growth and metastasis in mice[2][3].
μ-Conotoxin GIIIB is a 22-residue polypeptide that can be isolated from the venom of piscivorous cone snail Conus geographus. μ-Conotoxin GIIIB is a NaV1.4 channel inhibitor. μ-Conotoxin GIIIB blocks muscle cell's contraction[1][2][3].
Disopyramide (Dicorantil) is a class IA antiarrhythmic drug with efficacy in ventricular and atrial arrhythmias. Disopyramide blocks the fast inward sodium current of cardiac muscle and prolongs the duration of cardiac action potentials. Disopyramide inhibits HERG encoded potassium channels. Disopyramide also exhibits complex protein binding, and has a potent negative inotropic action[1][2][3].
TC-N 1752 is a potent and orally active inhibitor of Nav1.7, with IC50s of 0.17 μM, 0.3 μM, 0.4 μM, 1.1 μM and 2.2 μM at hNav1.7, hNav1.3, hNav1.4, hNaV1.5 and rNav1.8, respectively. TC-N 1752 also inhibits tetrodotoxin-sensitive sodium channels. TC-N 1752 shows analgesic efficacy in the Formalin model of pain[1][2][3].
Glycinexylidide (GX) is the active metabolite of Lidocaine. Lidocaine is a local anesthetic that inhibits sodium channels involving complex voltage and dependence. Lidocaine also reduces the growth, migration and invasion of gastric cancer cells. Glycinexylidide has research potential for use in anesthesia, cancer, and cardiovascular disease[1].
Zonisamide sodium is a 1,2 benzisoxazole derivative and the first agent of this chemical class to be developed as an antiepileptic drug.Target: Calcium channel inhibitor; Sodium channel inhibitorZonisamide sodium is a sulfonamide anticonvulsant approved for use as an adjunctive therapy in adults with partial-onset seizures for adults; infantile spasm, mixed seizure types of Lennox-Gastaut syndrome, myoclonic, and generalized tonic clonic seizure. Zonisamide sodium is a 1,2 benzisoxazole derivative and the first agent of this chemical class to be developed as an antiepileptic drug. It has shown activity in various animal models of epilepsy, and although a detailed mode of action awaits clarification it appears to block the propagation/spread of seizure discharges and to suppress the epileptogenic focus [1].Zonisamide sodium 500 mg/day was significantly superior to placebo in reducing the frequency of complex partial seizures (-51% versus -16%), all partial seizures and all seizures, with dose-dependent benefit provided over a 100-500 mg/day dose range. Supporting trials have confirmed significant increases in reduction in median seizure frequency (up to 41%) and responder rates (35-42%) compared with placebo following zonisamide sodium 400-600 mg/day, enabling 20-27% of patients to attain >or=75% reduction in seizure frequency [2].Clinical indications: Epilepsy; Lewy body dementia; Parkinsons diseaseToxicity: Anorexia; Somnolence; Dizziness; Irritability; Confusional state; Depression; Diplopia; Memory impairment
Sipatrigine, a neuroprotective agent, is a glutamate release inhibitor, voltage-dependent sodium channel and calcium channel inhibitor, penetrating the central nervous system. Has potential to treat focal cerebral ischemia and stroke[1][2].
Zonisamide is a 1,2 benzisoxazole derivative and the first agent of this chemical class to be developed as an antiepileptic drug.Target: Calcium channel inhibitor; Sodium channel inhibitorZonisamide is a sulfonamide anticonvulsant approved for use as an adjunctive therapy in adults with partial-onset seizures for adults; infantile spasm, mixed seizure types of Lennox-Gastaut syndrome, myoclonic, and generalized tonic clonic seizure. Zonisamide is a 1,2 benzisoxazole derivative and the first agent of this chemical class to be developed as an antiepileptic drug. It has shown activity in various animal models of epilepsy, and although a detailed mode of action awaits clarification it appears to block the propagation/spread of seizure discharges and to suppress the epileptogenic focus [1].Zonisamide 500 mg/day was significantly superior to placebo in reducing the frequency of complex partial seizures (-51% versus -16%), all partial seizures and all seizures, with dose-dependent benefit provided over a 100-500 mg/day dose range. Supporting trials have confirmed significant increases in reduction in median seizure frequency (up to 41%) and responder rates (35-42%) compared with placebo following zonisamide 400-600 mg/day, enabling 20-27% of patients to attain >or=75% reduction in seizure frequency [2].Clinical indications: Epilepsy; Lewy body dementia; Parkinsons diseaseToxicity: Anorexia; Somnolence; Dizziness; Irritability; Confusional state; Depression; Diplopia; Memory impairment
Zandatrigine is a sodium channel protein type 8 subunit alpha (Scn8α) blocker[1].
Dronedarone D6 hydrochloride is the deuterium labeled Dronedarone. Dronedarone hydrochloride, a derivative of Amiodarone (HY-14187), is a class III antiarrhythmic agent for the study of atrial fibrillation (AF) and atrial flutter. Dronedarone hydrochloride is a potent blocker of multiple ion currents, including potassium current, sodium current, and L-type calcium current, and exhibits antiadrenergic effects by noncompetitive binding to β-adrenergic receptors. Dronedarone hydrochloride is a substrate for and a moderate inhibitor of CYP3A4[1][2][3][4].
GX-674 is a potent, state-dependent, isoform-selective voltage-gated sodium channel 1.7 (Nav1.7) antagonist with an IC50 of 0.1 nM at -40 mV[1].
Dyclonine is an oral anaesthetic found in Sucrets, an over the counter throat lozenge.Target: Sodium ChannelDyclonine is an oral anaesthetic that is the active ingredient of Sucrets, an over the counter throat lozenge. It is also found in some varieties of the Cepacol sore throat spray. It is a local anesthetic, used topically as the hydrochloride salt. Dyclonine hydrochloride has been found to possess, in addition to its topical anesthetic properties, significant bactericidal and fungicidal activity. Self-sterilizing action manifested by preparations containing the drug was considerably enhanced upon the addition of chlorobutanol. Results of in vitro tests employing microorganisms commonly involved in local infections indicated that the two agents in combination act synergistically [1, 2].
Clathrodin is a marine alkaloid that can be isolated from sponges of the genus, Agelas. Clathrodin is a modulator of voltage-gated sodium (NaV) channels. Clathrodin is a sodium channel neurotoxin influencing sodium channel ionic conductance[1][2].
PF-05241328 is a potent and selective inhibitor of human Nav1.7 voltage-dependent sodium channels (Nav1.7), with an IC50 of 31 nM.
Nav1.7 inhibitor is a potent Nav1.7 inhibitor.IC50 value:Target: Nav1.7Preparation of sulfonamide derivatives as Nav1.7 inhibitorsBy Brown, Alan Daniel; Rawson, David James; Storer, Robert Ian; Swain, Nigel Alan From PCT Int. Appl. (2012), WO 2012007868 A2 20120119.
Sodium Channel inhibitor 4 is a sodium channel inhibitor[1].
Nav1.8-IN-4 (compound 9a) is a Nav1.8 channel inhibitor (IC50=0.014 μM). Nav1.8-IN-4 can be used for research on pain-related diseases[1].