US2008114075A1PendingUtilityA1

Use of 2,5-Dihydroxybenzene Derivatives for Treating Dermatitis

Assignee: ACTION MEDICINESPriority: Aug 16, 2006Filed: Aug 15, 2007Published: May 15, 2008
Est. expiryAug 16, 2026(~0 yrs left)· nominal 20-yr term from priority
A61P 37/06A61P 3/04A61P 37/02A61P 31/00A61P 35/00A61P 29/00A61P 23/00A61P 17/00A61K 31/185A61K 31/225A61K 31/618A61K 8/368A61K 31/10A61Q 17/04A61K 31/222A61K 8/466A61K 31/60A61K 45/06A61Q 19/08A61K 31/192
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Claims

Abstract

The present invention relates to the use of a 2,5-dihydroxybenzene derivative represented by Formula (I) or a pharmaceutically acceptable salt, solvate, isomer, or prodrug thereof for the therapeutic and/or prophylactic treatment of, inter alia, dermatitis.

Claims

exact text as granted — not AI-modified
1 . A method for the treatment or prophylaxis of dermatitis, comprising administering to a subject in need thereof, an effective amount of a 2,5-dihydroxybenzene derivative represented by Formula (I) or a pharmaceutically acceptable salt, solvate, isomer, or prodrug thereof, wherein the compound of Formula (I) is: 
       
         
           
           
               
               
           
         
       
       wherein:
 R 1  is —(CH 2 ) a Y or —CH═CH—(CH 2 ) p Z; 
 Y is —SO 3 H, —SO 3   − .X + , —SO 3 R 3 , —PO 3 H, —PO 3   − .X + , or —PO 3 R 3 , wherein when Y is —SO 3 H, —SO 3   − .X +  or —SO 3 R 3 , then R 9  and R 9′  are independently selected from —OH and —OR 2 , wherein at least one of R 9  and R 9′  is a substituted or unsubstituted alkylsulfonyloxy group, a substituted or unsubstituted arylsulfonyloxy group, a substituted or unsubstituted alkylcarbonyloxy group or a substituted or unsubstituted arylcarbonyloxy group; 
 Z is —SO 3 H, —SO 3   − .X + , —SO 3 R 3 , —PO 3 H, —PO 3   − .X + , —P 0   3 R 3 , —CO 2 H, —CO 2   − .X +  or —C 0   2 R 3 ; 
 X +  is an organic cation or an inorganic cation, such that the general charge of the compound is neutral; 
 R 9  and R 9′  are independently selected from —OH and —OR 2 , wherein when R 9  and R 9′  are both —OR 2 , then said R 9  and R 9′  can be the same or different; 
 R 2  is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted arylsulfonyl group, a substituted or unsubstituted alkylcarbonyl group or a substituted or unsubstituted arylcarbonyl group; 
 R 3  is a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; 
 a is a number selected from 0, 1, 2, 3, 4, 5 and 6; and 
 p is an integer selected from 0, 1, 2, 3, 4, 5 and 6. 
 
     
     
         2 . The method of  claim 1 , wherein R 1  is —(CH 2 ) a Y or —CH═CH—(CH 2 ) p Y. 
     
     
         3 . The method of  claim 2 , wherein Y is selected from —SO 3 H, —SO 3   − .X + , —SO 3 R 3 . 
     
     
         4 . The method of  claim 3 , wherein R 3  is selected from methyl and ethyl. 
     
     
         5 . The method of  claim 1 , wherein R 9  and R 9′  are, independently, a substituted or unsubstituted alkylsulfonyloxy group, a substituted or unsubstituted arylsulfonyloxy group, a substituted or unsubstituted alkylcarbonyloxy group or a substituted or unsubstituted arylcarbonyloxy group. 
     
     
         6 . The method of  claim 1 , wherein R 2  is selected from methylcarbonyl, phenylsulfonyl, 4-methylphenylsulfonyl, benzylsulfonyl, benzyl and phenyl 
     
     
         7 . The method of  claim 1 , wherein the compound of Formula (I) is selected from the group consisting of:
 5-hydroxy-2-{[(4-methylphenyl)sulfonyl]oxy}benzenesulfonic acid;   2-hydroxy-5-{[(4-methylphenyl)sulfonyl]oxy}benzenesulfonic acid;   2,5-bis{[(4-methylphenyl)sulfonyl]oxy}benzenesulfonic acid;   2-(acetyloxy)-5-hydroxybenzenesulfonic acid;   5-(acetyloxy)-2-hydroxybenzenesulfonic acid;   2,5-bis(acetyloxy)benzenesulfonic acid;   5-hydroxy-2-{[(4-methylphenyl)sulfonyl]oxy}benzenehomosulfonic acid;   2-hydroxy-5-{[(4-methylphenyl)sulfonyl]oxy}benzenehomosulfonic acid;   2,5-bis {[(4-methylphenyl)sulfonyl]oxy}benzenehomosulfonic acid;   2-(acetyloxy)-5-hydroxybenzenehomosulfonic acid;   5-(acetyloxy)-2-hydroxybenzenehomosulfonic acid;   2,5-bis(acetyloxy)benzenehomosulfonic acid;   3-(2,5-dihydroxyphenyl)-2-propenoic acid (2,5-dihydroxycinnamic acid)   3-(5-hydroxy-2-{[(4-methylphenyl)sulfonyl]oxy}phenyl)-2-propenoic acid;   3-(2-hydroxy-5-{[(4-methylphenyl)sulfonyl]oxy}phenyl)-2-propenoic acid;   3-(2,5-bis {[(4-methylphenyl)sulfonyl]oxy}phenyl)-2-propenoic acid;   3-(2-(acetyloxy)-5-hydroxyphenyl)-2-propenioc acid;   3-( 5 -(acetyloxy)-2-hydroxyphenyl)-2-propenoic acid;   3-(2,5-bis(acetyloxy)phenyl)-2-propenoic acid;   3-(2-(benzyloxy)-5-hydroxyphenyl)-2-propenoic acid;   3-( 5 -(benzyloxy)-2-hydroxyphenyl)-2-propenoic acid;   3-(2,5-bis(benzyloxy)phenyl)-2-propenoic acid;   and pharmaceutically acceptable salts, solvates and prodrugs thereof.   
     
     
         8 . The method of  claim 7 , wherein the compound of Formula (I) is selected from: 2-(acetyloxy)-5-hydroxybenzenesulfonic acid, 5-(acetyloxy)-2-hydroxybenzenesulfonic acid and 2,5-bis(acetyloxy)benzenesulfonic acid. 
     
     
         9 . The method of  claim 1 , wherein the dermatitis is selected from the group consisting of: actinic dermatitis, allergic contact dermatitis, atopic dermatitis, carcinomatous dermatitis, contact dermatitis, diaper dermatitis, stasis dermatitis, neurodermatitis, dermatomyositis and radiation-induced dermatitis. 
     
     
         10 . The method of  claim 1 , wherein the compound of Formula (I) is administered topically. 
     
     
         11 . The method of  claim 10 , wherein the compound of Formula (I) is administered orally, buccally, transdermally, by inhalation, or otically. 
     
     
         12 . The method of  claim 1 , further comprising administration of at least one additional therapeutic agent. 
     
     
         13 . The method of  claim 12 , wherein the at least one additional therapeutic agent is selected from the group consisting of: diclofenac, T4 endonuclease, isotretinoin, acitretin, cidofoir, a corticosteroid, an antibiotic, an analgesic, an immunomodulator, including oral immunomodulator such as tacrolimus and pimecrolimus, and topical immunomodulators; an immunosuppressant, an anti-angiogenic; a leukotriene modifier, an aminosalicylate, an anesthetic, a non-steroidal anti-inflammatory, a modifier of a solubilized interleukin receptor, an inhibitor of a tyrosine-kinase receptor, a protein kinase C inhibitor, and a combination of two or more thereof. 
     
     
         17 . The method of  claim 10 , wherein the compound is administered at least once per week. 
     
     
         18 . The method of  claim 17 , wherein the compound is administered at least once per day. 
     
     
         19 . The method of  claim 18 , wherein the compound is administered at least twice per day. 
     
     
         20 . The method of  claim 10 , wherein the compound is present in a pharmaceutical composition in an amount of at least about 1% w/w. 
     
     
         21 . The method of  claim 20 , wherein the compound is present in a pharmaceutical composition in an amount of at least about 2.5% w/w. 
     
     
         22 . The method of  claim 21 , wherein the compound is present in a pharmaceutical composition in an amount of at least about 5% w/w. 
     
     
         23 . The method of  claim 22 , wherein the compound is present in a pharmaceutical composition in an amount of at least about 10% w/w. 
     
     
         24 . The method of  claim 23 , wherein the compound is present in a pharmaceutical composition in an amount of at least about 15% w/w. 
     
     
         25 . The method of  claim 10 , wherein the compound is administered over a period of at least about one week. 
     
     
         26 . The method of  claim 25 , wherein the compound is administered over a period of at least about four weeks.

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