Epithelial sodium channel blocker

An epithelial sodium channel blocker is a sodium channel blocker that is selective for the epithelial sodium channel.

An example is amiloride, which is used in the treatment of hypertension.^[1]

References

↑ Sagnella GA, Swift PA (2006). "The renal epithelial sodium channel: genetic heterogeneity and implications for the treatment of high blood pressure". Curr. Pharm. Des. 12 (18): 2221–34. doi:10.2174/138161206777585157. PMID 16787251.

Ion channel modulators

Calcium (Ca²⁺)

Blockers	L-type-selective: Dihydropyridines: Amlodipine Aranidipine Azelnidipine Barnidipine Clevidipine Cronidipine Darodipine Dexniguldipine Elgodipine Elnadipine Felodipine Flordipine Furnidipine Iganidipine Isradipine Lacidipine Lemildipine Lercanidipine Levamlodipine Levniguldipine Manidipine Mepirodipine Mesudipine Nicardipine Nifedipine Niguldipine Niludipine Nilvadipine Nimodipine Nisoldipine Nitrendipine Olradipine Oxodipine Palonidipine Pranidipine Ryodipine Sagandipine Sornidipine Teludipine Tiamdipine Trombodipine Vatanidipine; Diltiazem derivatives: Clentiazem Diltiazem Iprotiazem Nictiazem Siratiazem; Phenylalkylamines: Anipamil Dagapamil Devapamil Dexverapamil Emopamil Etripamil Falipamil Gallopamil Levemopamil Nexopamil Norverapamil Ronipamil Tiapamil Verapamil; Others: AH-1058 Brinazarone Budiodarone Celivarone Cyproheptadine Dronedarone Fantofarone SR-33805 N-type-selective: ω-Conotoxins ω-Conotoxin GVIA Caroverine Huwentoxin XVI Leconotide (ω-conotoxin CVID) PD-173212 Ralfinamide Safinamide Z160 Ziconotide (ω-conotoxin MVIIA) P-type-selective: ω-Agatoxin IVA ω-Agatoxin IVB R-type-selective: SNX-482 T-type-selective: ABT-639 ML-218 Niflumic acid NNC 55-0396 ProTx I Z944 Zonisamide Non-selective: ω-Agatoxin TK ω-Conotoxin MVIIC Benidipine Bepridil Cilnidipine Cinnarizine Dotarizine Efonidipine Flunarizine Lamotrigine Levetiracetam Lomerizine Loperamide Mibefradil NP078585 Ruthenium red TROX-1 α₂δ subunit-selective (gabapentinoids): 4-Methylpregabalin Arbaclofen Arbaclofen placarbil Atagabalin Baclofen Gabapentin Gabapentin enacarbil Imagabalin Mirogabalin PD-200,347 PD-217,014 PD-299,685 Phenibut Pregabalin Others/unsorted: Bencyclane Berbamine Bevantolol Canadine Carboxyamidotriazole Cycleanine Dauricine Dimeditiapramine Diproteverine Enpiperate Eperisone Elpetrigine Ethadione Ethosuximide Fasudil Fendiline Fostedil JTV-519 Lidoflazine Magnesium Manoalide Mesuximide Monatepil Naftopidil Ochratoxin A Osthol Otilonium bromide Paramethadione Phensuximide Pinaverium Prenylamine Rhynchophylline Sesamodil Silperisone Sipatrigine Terodiline Tetrahydropalmatine Tetrandrine Tolperisone Trimethadione Valperinol

Openers	L-type-selective: Bay K8644

Potassium (K⁺)

Blockers	3,4-Diaminopyridine (amifampridine) 4-Aminopyridine (fampridine/dalfampridine) Adekalant Almokalant Amiodarone Azimilide Bretylium Bunaftine Charybdotoxin Clamikalant Conotoxins Dalazatide Dendrotoxin Dofetilide Dronedarone E-4031 Hanatoxin Ibutilide Inakalant Kaliotoxin Linopirdine Maurotoxin Nifekalant Notoxin Paxilline Pinokalant ShK-186 Sotalol Tedisamil Terikalant Tetraethylammonium Vernakalant GIRK blockers: Tipepidine hERG blockers: Ajmaline Amiodarone AmmTX3 Astemizole Azaspiracid AZD1305 Azimilide Bedaquiline BeKm-1 BmTx3 BRL-32872 Chlorpromazine Cisapride Clarithromycin Darifenacin Dextropropoxyphene Diallyl trisulfide Domperidone E-4031 Ergtoxins Erythromycin Gigactonine Haloperidol Ketoconazole Norpropoxyphene Orphenadrine Pimozide PNU-282,987 Promethazine Roxithromycin Sertindole Solifenacin Tamulotoxin Terodiline Terfenadine Thioridazine Tolterodine Vanoxerine Vernakalant

Openers	K_ATP openers: Aprikalim Bimakalim Cromakalim Emakalim Levcromakalim Mazokalim Rilmakalim Sarakalim Others: Diazoxide Flupirtine Minoxidil Naminidil Nicorandil Pinacidil Retigabine Rottlerin

Sodium (Na⁺)

Blockers	VGSC blockers: Antiarrhythmics (class I): Ajmaline Aprindine Disopyramide Dronedarone Encainide Flecainide Lidocaine Lorajmine Lorcainide Mexiletine Moricizine Pilsicainide Prajmaline Procainamide Propafenone Quinidine Sparteine Tocainide; Anticonvulsants: Acetylpheneturide Carbamazepine Cenobamate Chlorphenacemide Elpetrigine Eslicarbazepine acetate Ethotoin Fosphenytoin Lacosamide Licarbazepine Mephenytoin Oxcarbazepine Oxitriptyline Phenacemide Pheneturide Phenytoin Rufinamide Sipatrigine Topiramate Sodium valproate Valnoctamide Valproate pivoxil Valproate semisodium Valproic acid Valpromide Zonisamide; Diuretics: Amiloride Benzamil Triamterene; Local anesthetics: pFBT Amylocaine Articaine Benzocaine Bupivacaine (Levobupivacaine, Ropivacaine) Butacaine Butamben Chloroprocaine Cinchocaine Cocaine Cyclomethycaine Dimethocaine Diphenhydramine Etidocaine Hexylcaine Iontocaine Lidocaine Mepivacaine Meprylcaine Metabutoxycaine Orthocaine Piperocaine Prilocaine Procaine Propoxycaine Proxymetacaine Risocaine Tetracaine Trimecaine; Analgesics: AZD-3161 DSP-2230 Funapide GDC-0276 NKTR-171 PF-04531083 PF-05089771 Ralfinamide Raxatrigine RG7893 (GDC-0287); Toxins: Conotoxins Neosaxitoxin Saxitoxin Tetrodotoxin; Others: Buprenorphine Evenamide Menthol Safinamide Tricyclic antidepressants

Openers	VGSC openers: Atracotoxins (Robustoxin, Versutoxin) Ciguatoxins ENaC openers: Solnatide

Chloride (Cl⁻)

Blockers	Bumetanide DIDS Flufenamic acid Furosemide Glibenclamide Lonidamine Meclofenamic acid Mefenamic acid Mepacrine Niflumic acid Piretanide Talniflumate Tolfenamic acid Trifluoperazine

Openers	CFTR openers: 1,7-Phenanthroline 1,10-Phenanthroline 4,7-Phenanthroline 7,8-Benzoquinoline Phenanthridine

Antihypertensives: diuretics (C03)

Sulfonamides
(and etacrynic acid)

CA inhibitors (at PT)	Acetazolamide

Loop (Na-K-Cl at AL)	Furosemide^# Bumetanide Etacrynic acid Etozoline Muzolimine Piretanide Tienilic acid Torasemide

Thiazides (Na-Cl at DCT, Calcium-sparing)	Altizide Bendroflumethiazide Chlorothiazide Cyclopenthiazide Cyclothiazide Epitizide Hydrochlorothiazide^# Hydroflumethiazide Mebutizide Methyclothiazide Polythiazide Trichlormethiazide

Thiazide-likes (primarily DCT)	Quinethazone Clopamide Chlortalidone Mefruside Clofenamide Metolazone Meticrane Xipamide Indapamide Clorexolone Fenquizone

Potassium-sparing (at CD)

ESC blockers	Amiloride^# Triamterene Benzamil

Aldosterone antagonists	Spirolactones: Spironolactone^# Eplerenone Potassium canrenoate Canrenone Non-steroidal: Finerenone

Osmotic diuretics (PT, DL)

Vasopressin receptor inhibitors
(DCT and CD)

Other

Ethanol, Isopropanol, 2M2B
mercurial diuretics (Chlormerodrin, Mersalyl, Meralluride)
Theobromine
Cicletanine

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

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