US2012172429A1PendingUtilityA1
Permanently charged sodium and calcium channel blockers as anti- inflammatory agents
Est. expiryJul 10, 2029(~3 yrs left)· nominal 20-yr term from priority
A61P 43/00A61P 39/02A61P 37/08A61P 25/02A61P 25/00A61P 31/04A61P 27/02A61P 27/14A61P 25/06A61P 29/00A61P 11/14A61P 13/02A61P 17/06A61P 11/02A61P 11/00A61P 13/10A61P 13/00A61P 17/04A61P 17/00A61P 11/06A61P 11/10A61P 17/10A61P 1/00A61P 19/02A61P 1/04A61K 31/165A61K 31/277A61K 45/06C07D 295/192C07D 235/14A61K 31/00A61K 31/167
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Claims
Abstract
The invention provides compounds, compositions, methods, and kits for the treatment of neurogenic inflammation.
Claims
exact text as granted — not AI-modified1 . A method for treating neurogenic inflammation in a patient, said method comprising administering to said patient a therapeutically effective amount of a compound that is capable of (i) entering a nociceptor through a channel-forming receptor present in said nociceptor when said receptor is activated and (ii) inhibiting a voltage-gated ion channel present in said nociceptor, wherein said compound does not substantially inhibit said channel when applied to the extracellular face of said channel and when said receptor is not activated.
2 . The method of claim 1 , wherein said compound inhibits voltage-gated sodium channels, or wherein said compound inhibits calcium channels.
3 . The method of claim 2 , wherein said compound is QX-314, N-methyl-procaine, QX-222, N-octyl-guanidine, 9-aminoacridine, pancuronium, or another low molecular weight, charged molecule that inhibits voltage-gated sodium channels when present inside of said nociceptor.
4 . The method of claim 1 , wherein
said compound is a quarternary amine derivative or other charged derivative of a compound selected from the group consisting of riluzole, mexilitine, phenyloin, carbamazepine, procaine, tocainide, prilocaine, articaine, bupivicaine, mepivicine, diisopyramide, bencyclane, quinidine, bretylium, lifarizine, lamotrigine, flunarizine, and fluspirilene; or wherein said compound is a quarternary amine derivative or other charged derivative of any of compounds (1)-(563).
5 . (canceled)
6 . The method of claim 2 , wherein said compound is selected from
D-890, CERM 11888, N-methyl-verapamil, N-methylgallopamil, N-methyl-devapamil, and dodecyltrimethylammonium; a quarternary amine derivative of verapamil, gallopamil, devapamil, diltiazem, fendiline, mibefradil, or farnesyl amine; a compound according to any of Formulas (XI), (XII), (XIII-A), (XIII-B), (XIII-C), and (XIV); and a quarternary amine derivative or other charged derivative of any of compounds (45)-(563).
7 . (canceled)
8 . The method of claim 1 , wherein said channel-forming receptor has been activated prior to said administering of said compound.
9 . The method of claim 1 , further comprising administering a second compound that activates said channel-forming receptor.
10 . The method of claim 9 , wherein said second compound activates a channel-forming receptor selected from TRPV1, P2X(2/3), TRPA1, and TRPM8.
11 . The method of claim 10 , wherein
said second compound is an activator of TRPV1 receptors, said activator selected from capsaicin, a capsaicinoid, eugenol, arvanil (N-arachidonoylvanillamine), anandamide, 2-aminoethoxydiphenyl borate (2APB), AM404, resiniferatoxin, phorbol 12-phenylacetate 13-acetate 20-homovanillate (PPAHV), olvanil (NE 19550), OLDA (N-oleoyldopamine), N-arachidonyldopamine (NADA), 6′-iodoresiniferatoxin (6′-IRTX), C18 N-acylethanolamines, lipoxygenase derivatives such as 12-hydroperoxyeicosatetraenoic acid, inhibitor cysteine knot (ICK) peptides (vanillotoxins), piperine, MSK195 (N-[2-(3,4-dimethylbenzyl)-3-(pivaloyloxy)propyl]-2-[4-(2-aminoethoxy)-3-methoxyphenyl]acetamide), JYL79 (N-[2-(3,4-dimethylbenzyl)-3-(pivaloyloxy)propyl]-N′-(4-hydroxy-3-methoxybenzyl)thiourea), hydroxy-alpha-sanshool, 2-aminoethoxydiphenyl borate, 10-shogaol, oleylgingerol, oleylshogaol, SU200 (N-(4-tert-butylbenzyl)-N′-(4-hydroxy-3-methoxybenzyl)thiourea), articaine, benzocaine, bupivacaine, carbocaine, carticaine, chloroprocaine, cyclomethycaine, dibucaine (cinchocaine), dimethocaine (larocaine), etidocaine, hexylcaine, levobupivacaine, lidocaine, mepivacaine, meprylcaine (oracaine), metabutoxycaine, piperocaine, prilocaine, procaine (novacaine), proparacaine, propoxycaine, risocaine, ropivacaine, tetracaine (amethocaine), or trimecaine; or said second compound is an activator of TRPA1 receptors, said activator selected from cinnamaldehyde, allyl-isothiocynanate, diallyl disulfide, icilin, cinnamon oil, wintergreen oil, clove oil, acrolein, hydroxy-alpha-sanshool, 2-aminoethoxydiphenyl borate, 4-hydroxynonenal, methyl p-hydroxybenzoate, mustard oil, and 3′-carbamoylbiphenyl-3-yl cyclohexylcarbamate (URB597), articaine, benzocaine, bupivacaine, carbocaine, carticaine, chloroprocaine, cyclomethycaine, dibucaine (cinchocaine), dimethocaine (larocaine), etidocaine, hexylcaine, levobupivacaine, lidocaine, mepivacaine, meprylcaine (oracaine), metabutoxycaine, piperocaine, prilocaine, procaine (novacaine), proparacaine, propoxycaine, risocaine, ropivacaine, tetracaine (amethocaine), or trimecaine; or said second compound is an activator of P2X receptors, said activator selected from ATP, 2-methylthio-ATP, 2′ and 3′-O-(4-benzoylbenzoyl)-ATP, and ATP5′-O-(3-thiotriphosphate); or said second compound is an activator of TRPM8 receptors, said activator selected from menthol, iciclin, eucalyptol, linalool, geraniol, and hydroxycitronellal.
12 .- 14 . (canceled)
15 . The method of claim 1 , further comprising administering one or more acetaminophens, NSAIDs, glucocorticoids, narcotics, tricyclic antidepressants, amine transporter inhibitors, anticonvulsants, antiproliferative agents, or immune modulators.
16 . The method of claim 1 , wherein said method is used to treat asthma, conjunctivitis, sepsis, sinusisitis, cough, arthritis, colitis, contact dermatitis, eczema, gastritis, cystitis, urethritis, migraine headache, psoriasis, rhinitis, rosacea, sunburn, traumatic brain injury, acute lung injury, chemical warfare agents, inhaled tear gases, or inhaled pollutants.
17 . The method of claim 1 , wherein said administering comprises intraarticular, surgical, intravenous, intramuscular, oral, rectal, cutaneous, subcutaneous, topical, transdermal, sublingual, nasal, vaginal, intraurethral, intravesicular, intrathecal, epidural, mucosal, aural, or ocular administration by injection, inhalation, or direct contact.
18 . The method of claim 1 , wherein said composition is formulated for controlled or sustained release over time.
19 . A kit comprising:
a) a compound that is capable of (i) entering a nociceptor through a channel-forming receptor present in said nociceptor when said receptor is activated and (ii) inhibiting a voltage-gated ion channel present in said nociceptor, wherein said compound does not substantially inhibit said channel when applied to the extracellular face of said channel and when said receptor is not activated; and b) instructions for administering said compound to a patient to treat neurogenic inflammation.
20 .- 31 . (canceled)
32 . A compound selected from the group consisting of:
(a) a compound according to Formula (XI):
wherein
each R 11A , R 11B , and R 11C is selected, independently, from H or C 1-4 alkyl, and X − is any pharmaceutically acceptable anion;
(b) a compound according to Formula (XII),
wherein
each of R 12A , R 12B , R 12C , and R 12D is, independently, selected from C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, and C 3-10 alkheterocyclyl; or R 12A and R 12B together complete a heterocyclic ring having at least one nitrogen atom;
n is an integer between 1-5;
each of R 12E and R 12F is, independently, selected from H, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, or C 3-10 alkheterocyclyl; and
X is any pharmaceutically acceptable anion;
wherein
each R 13A -R 13J and R 13O -R 13T is selected, independently, from H, halogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, and C 3-10 alkheterocyclyl, OR 13AA , NR 13AB R 13AC , NR 13AD C(O)R 13AE , S(O)R 13AF , SO 2 R 13AG R 13AH , SO 2 NR 13AI R 13AJ , SO 3 R 13AK , CO 2 R 13AL , C(O)R 13AM , and C(O)NR 13AN R 13AO ;
each of R 13AA -R 13AO is, independently, selected from H, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, and C 2-4 heteroalkyl;
each R 13K , R 13L , R 13M , and R 13N is, independently, H or C 1-4 alkyl, or R 13K and R 13L , or R 13M and R 13N , combine to form C═O, or R 13K and R 13M combine to form C═C;
R 13Y is H or C 1-4 alkyl;
R 13Z and R 13Z′ are, independently, selected from H, halogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, and C 3-10 alkheterocyclyl; and
X − is any pharmaceutically acceptable anion;
and
(d) a compound having a structure according to
wherein
n is an integer between 0-5;
R 14A is heterocyclyl,
each of R 14B , R 14C , R 14D , and R1 4E is, independently, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, and C 3-10 alkheterocyclyl; and
R 14F is selected from H, halogen, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 2-4 heteroalkyl, C 7-14 alkaryl, C 3-10 alkcycloalkyl, and C 3-10 alkheterocyclyl, OR 14G , NR 14H R 14I , NR 14J C(O)R 14K , S(O)R 14L , S(O) 2 R 14M R 14N , SO 2 NR 14O R 14P , SO 3 R 14Q , CO 2 R 14R , C(O)R 14S , and C(O)NR 14T R 14V ; and each of R 14G -R 13AO is, independently, selected from H, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, and C 2-4 heteroalkyl.
33 . The compound of claim 32 , wherein said compound is:
wherein X is a pharmaceutically acceptable anion.
34 .- 39 . (canceled)
40 . A pharmaceutical composition, comprising the compound of claim 32 and a pharmaceutically acceptable excipient.
41 . A pharmaceutical composition, comprising a quarternary amine derivative or other charged derivative of any of compounds (1)-(563).
42 . The pharmaceutical composition of claim 40 , wherein said composition is formulated for oral, nasal, or inhalation administration.
43 . The pharmaceutical composition of claim 41 , wherein said composition is formulation for oral, nasal, or inhalation administration.
44 . (canceled)Cited by (0)
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