EP1414522A2 - Carbonic anhydrase inhibitors - Google Patents

Carbonic anhydrase inhibitors

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Publication number
EP1414522A2
EP1414522A2 EP02768491A EP02768491A EP1414522A2 EP 1414522 A2 EP1414522 A2 EP 1414522A2 EP 02768491 A EP02768491 A EP 02768491A EP 02768491 A EP02768491 A EP 02768491A EP 1414522 A2 EP1414522 A2 EP 1414522A2
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EP
European Patent Office
Prior art keywords
carbonic anhydrase
group
disorder
cancer
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02768491A
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German (de)
English (en)
French (fr)
Inventor
Janet M. O'neal
Jaime L. Masferrer
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Pharmacia LLC
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Pharmacia LLC
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Publication date
Application filed by Pharmacia LLC filed Critical Pharmacia LLC
Publication of EP1414522A2 publication Critical patent/EP1414522A2/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/16—Amides, e.g. hydroxamic acids
    • A61K31/18—Sulfonamides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/415—1,2-Diazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/4164—1,3-Diazoles
    • A61K31/4188—1,3-Diazoles condensed with other heterocyclic ring systems, e.g. biotin, sorbinil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/42—Oxazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/4965—Non-condensed pyrazines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/63—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide
    • A61K31/635—Compounds containing para-N-benzenesulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonyl hydrazide having a heterocyclic ring, e.g. sulfadiazine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P21/00—Drugs for disorders of the muscular or neuromuscular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/08—Antiepileptics; Anticonvulsants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A61P27/06—Antiglaucoma agents or miotics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/12—Drugs for disorders of the metabolism for electrolyte homeostasis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/10—Antioedematous agents; Diuretics

Definitions

  • the present invention relates in general to the use of carbonic anhydrase inhibitors, drugs, or agents in medicine and, more specifically, to the use of compounds that exhibit carbonic anhydrase (CA)- inhibitor activity and compounds that exhibit both carbonic anhydrase (CA) and cylcooxygenase-2 (COX-2) inhibitor activity, in methods of treatment of diseases associated with the isozymes of carbonic anhydrase or with COX-2, or both.
  • CA carbonic anhydrase
  • COX-2 cylcooxygenase-2
  • Carbonic anhydrases are metalloprotein enzymes which catalyze the hydration of carbon dioxide and the dehydration of bicarbonate: C0 2 + H 2 0 — > HCO " 3 + H*.
  • the carbonic anhydrases are widespread in nature and found in animals, plants and certain bacteria. In humans CA has at least fourteen (14) isoenzymes with different physiological functions. (Scozzafava et al, J.Med.Chem., 43:3677-3687, 2000). The
  • CA isozymes are involved in respiration and transport of CO ⁇ icarbonate between metabolizing tissues and the lungs, pH homeostasis, electrolyte secretion in a variety of tissues, and biosynthetic reactions such as lipogenesis, gluconeogenesis, and ureagenesis.
  • Carbonic anhydrase inhibitors initially were developed as diuretics for the treatment of edema.
  • One mechanism of the diuretic action is due to the inhibitory effect of sulfanilamide on the carbonic anhydrase enzyme, resulting in increased bicarbonate excretion and obligatory water loss through the kidneys.
  • carbonic anhydrase inhibitors may be used to treat edema associated with congestive heart failure and for drug-induced edema, presently the major indication for carbonic anydrase inhibitors is for treatment of open-angle glaucoma.
  • the carbonic anhydrase inhibitors may be used to treat secondary glaucoma and preoperatively in acute angle closure glaucoma before surgery.
  • Carbonic anhydrase inhibitors also are used to treat optic neuropathy associated with elevated intracranial pressure and to treat pseudomotor cerebri in headache management. Carbonic anhydrase inhibitors have been used to treat cystoid macular edema (CME). (Wolfensberger, TJ., Doc Opthalmol 1999; 97 (3-4):387-97). Acetazolamide has been shown to potentiate the antitumor activity of 1- phthalidyl 5-fluorouracil (PH-5-FU). (Hisanori Kaisai. et. al, Cancer Chemother Pharmacol. 1986; 16(l):55-7). Acetazolamide was shown to reduce invasiveness of certain renal cancer cell lines. (Parkkila, S.
  • One exemplary embodiment of the invention provides a method of treating or preventing a carbonic anhydrase-associated disorder in a subject in need of such treatment or prevention comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing- effective amount of a compound of formula 1:
  • A is selected from the group consisting of partially unsaturated or unsaturated heterocyclyl and partially unsaturated or unsaturated carbocyclic rings;
  • R is selected from the group consisting of heterocyclyl, cycloalkyl,
  • Rl is optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • R ⁇ is selected from the group consisting of amino and aminoalkylcarbonyl
  • R3 is selected from the group consisting of a radical selected from H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, alkylthiocarbonyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl,
  • Another exemplary embodiment of the invention provides a method of treating or preventing carbonic anhydrase-associated disorders in a subject in need of such treatment or prevention, comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing-effective amount of a compound of formula 1:
  • A is selected from the group consisting of partially unsaturated or unsaturated heterocyclyl and partially unsaturated or unsaturated carbocyclic rings;
  • Rl is selected from the group consisting of heterocyclyl, cycloalkyl,
  • R ⁇ is optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • R ⁇ is selected from the group consisting of amino and aminoalkylcarbonyl; and wherein R3 is selected from the group consisting of a radical selected from H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, alkylthiocarbonyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxy
  • One exemplary embodiment of the invention provides a method of treating or preventing a carbonic anhydrase associated disorder in a subject in need of such treatment or prevention comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing-effective amount of a cyclooxygenase-2 inhibitor compound having a sulfonamide structure thereon, a pharmaceutically acceptable salt thereof or prodrug to- treat or prevent the disorder.
  • Another exemplary embodiment of the invention provides a method of treatment of a neoplastic disorder or disease in a subject in need of such treatment or prevention comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing- effective amount of a cyclooxygenase -2 inhibitor a pharmaceutically acceptable salt thereof or prodrug to treat or prevent the disorder.
  • Another exemplary embodiment of the invention provides a method of treatment of a neoplastic disorder or disease in a subject in need of such treatment or prevention comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing- effective amount of a cyclooxygenase -2 inhibitor a pharmaceutically acceptable salt or prodrug thereof to treat or prevent the disorder, wherein the neoplastic disorder includes, but is not limited to: renal cancer; leukemia; lung cancer; ovarian cancer; melanoma; colon cancer; cancer of the central nervous system; prostate cancer and breast cancer.
  • Another exemplary embodiment of the invention provides a method of treating or preventing carbonic anhydrase -associated disorders in a subject in need of such treatment or prevention comprising the administration to the subject a carbonic anhydrase inhibitor treating- or preventing- effective amount of a cyclooxygenase -2 inhibitor a pharmaceutically acceptable or prodrug thereof to treat or prevent the disorder, wherein the carbonic anhydrase-associated disorder includes, but is not limited to: edema; open-angle glaucoma; secondary glaucoma; acute angle closure glaucoma; epilepsy; acute mountain sickness; familial periodic paralysis; metabolic alkylosis; optic neuropathy; pseudomotor cerebri and cystoid macular edema.
  • An exemplary embodiment of the invention provides a method of treatment of a neoplastic disorder or disease in a subject in need of such treatment or prevention comprising the administration to the subject an antineoplastic drug or agent and a carbonic anhydrase inhibitor treating- or preventing- effective amount of a compound of formula 1: 1.
  • A is selected from the group consisting of partially unsaturated or unsaturated heterocyclyl and partially unsaturated or unsaturated carbocyclic rings;
  • R! is selected from the group consisting of heterocyclyl, cycloalkyl,
  • Rl is optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • R ⁇ is selected from the group consisting of amino and aminoalkylcarbonyl
  • R3 is selected from the group consisting of a radical selected from H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, alkylthiocarbonyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl,
  • Another embodiment of the invention includes a method of preventing or treating an ophthalmic disorder or disease in a subject in need of such prevention or treatment, comprising the administration of an ophthalmic disorder or disease preventing or treating amount of a carbonic anhydrase inhibitor selected from the group of compounds consisting of the compound of formulas:
  • the invention also includes a method for treating or preventing a neoplasia disorder in a mammal in need of such treatment or prevention, which method comprises treating the mammal with a therapeutically effective amount of a combination comprising an antineoplastic drug or agent and a carbonic anhydrase inhibitor selected from the group of carbonic anhydrase inhibitors consisting of the formulas:
  • the present invention encompasses, agents that inhibit isozymes of carbonic anhydrase and their method of use in medicine in preventing or treating various diseases or conditions in which carbonic anhydrase is implicated or involved in metabolic pathways that influence the diseases or conditions.
  • carbonic anhydrases refers to the metalloprotein enzymes which catalyze the simple interconversion of C0 2 and H 2 CO 3 (C0 2 + H 2 0 ⁇ HC0 3 ⁇ + it).
  • carbonic anhydrase inhibitor refers to agents that reduce or inhibit the activity of human carbonic anhydrases.
  • CA carbonic anhydrase
  • CA II as used herein means the 260 amino acid protein human carbonic anhydrase II enzyme.
  • Tris hydroxymethylaminoethane NH 2 C(CH 2 OH) 3 , CAS number 00077-86-1.
  • Aminoalkylcarbonyl as used herein means a straight or branched chain carbon substituent having a nitrogen atom adjacent to a carbonyl carbon, wherein the carbonyl carbon is double-bonded to an oxygen atom, and wherein the point of attachment is at an open valence of the nitrogen atom.
  • An exemplary ainoalkylcarbonyl is:
  • Heterocyclyalkylaminocarbonyldialkoxyaminoalkylcarbonylthionyl as used herein means a straight or branched chain glycol substituent having a terminal heterocycle moiety, an aminocarbonyl moiety, and an alkylcarbonylthionyl moiety at the point of attachment.
  • An exemplary heterocyclyalkylaminocarbonyldialkoxyaminoalkylcarbonylthionyl has the formula:
  • the invention also encompasses some agents, that exhibit more than one therapeutic effect, in that they inhibit carbonic anhydrases and inhibit cyclooxygenase-2 (COX-2), concomitantly. Some of the agents have utility in the treatment of carbonic anhydrase and COX-2 associated disorders, diseases or physiological conditions.
  • the agents have therapeutic applications such as treatment of ophthalmic or ocular diseases, such as glaucoma and macular degeneration, inflammatory conditions and neoplastic diseases or conditions.
  • the invention also encompasses therapeutic combinations of the carbonic anhydrase inhibitors with other therapeutic agents, such as ophthalmic drugs or agents and antineoplastic agents.
  • Compounds I, II, III, IV, V, VI and VII demonstrate carbonic anhydrase inhibition in vitro.
  • Compound I is a potent inhibitor of carbonic anhydrase, with an IC 50 of 20nM.
  • Compound I is a more potent inhibitor than acetazolamide (IC 50 of 30nM).
  • the selective COX-2 inhibitor rofecoxib (Compound VIE) did not exhibit significant carbonic anhydrase inhibition.
  • Acetazolamide (5-Acetamido-l,3,4-thiadiazole-2-sulfonamide> is a known carbonic anhydrase inhibitor, and was included in the example as a standard.
  • A is selected from the group consisting of partially unsaturated or unsaturated heterocyclyl and partially unsaturated or unsaturated carbocyclic rings;
  • R ⁇ is selected from the group consisting of heterocyclyl, cycloalkyl,
  • R! is optionally substituted at a substitutable position with one or more radicals selected from alkyl, haloalkyl, cyano, carboxyl, alkoxycarbonyl, hydroxyl, hydroxyalkyl, haloalkoxy, amino, alkylamino, arylamino, nitro, alkoxyalkyl, alkylsulfinyl, halo, alkoxy and alkylthio;
  • R ⁇ is selected from the group consisting of amino and aminoalkylcarbonyl
  • R ⁇ is selected from the group consisting of a radical selected from H, halo, alkyl, alkenyl, alkynyl, oxo, cyano, carboxyl, cyanoalkyl, heterocyclyloxy, alkyloxy, alkylthio, alkylcarbonyl, cycloalkyl, aryl, haloalkyl, heterocyclyl, cycloalkenyl, aralkyl, heterocyclylalkyl, acyl, alkylthioalkyl, alkylthiocarbonyl, hydroxyalkyl, alkoxycarbonyl, arylcarbonyl, aralkylcarbonyl, aralkenyl, alkoxyalkyl, arylthioalkyl, aryloxyalkyl, aralkylthioalkyl, aralkoxyalkyl, alkoxyaralkoxyalkyl, alkoxycarbonylalkyl, aminocarbonyl,
  • Compound V is a selective cyclooxygenase-2 inhibitor, described in detail in U.S. Patent No. 5,466,823, which is incorporated herein by reference.
  • Compound VII also is a selective cyclooxygenase-2 inhibitor, disclosed in detail in U.S. Patent No. 5,633,272, incorporated herein by reference.
  • Compound VIII is a selective cyclooxygenase-2 inhibitor, described in detail in U.S. Patent No. 5,691,375, which is incorporated herein by reference.
  • Compound IN exhibits cyclooxygenase inhibitor activity, but appears to be more selective for COX- 2 than COX-1.
  • Compound I and Compound VI do not inhibit cyclooxygenase- 1 (COX-1) but weakly inhibit COX-2.
  • Compounds ⁇ , III, IX, and X do not exhibit cyclooxygenase inhibitory activity.
  • cyclooxygenase-1 and “COX-1” used interchangeably herein- refer to the constitutive isoform of the enzyme cyclooxygenase.
  • cyclooxygenase-2 and “COX-2 as used interchangeably herein refer to the inducible isoform of the enzyme cyclooxygenase.
  • COX-2 selectivity has been given numerous and varied definitions in the published literature. Selectivity has been understood to refer, alternatively, to a variety of in vitro conditions and to a variety of in vivo conditions. In vitro selectivity does not necessarily mean the same thing as in vivo selectivity.
  • cyclooxygenase-2 selective inhibitor and “COX-2 selective inhibitor” are used interchangeably herein and for the present invention refer to a therapeutic compound that inhibits cyclooxygenase-2 more than it inhibits cyclooxygenase- 1 in an in vitro recombinant enzyme assay.
  • cyclooxygenase-2 inhibitor or “COX-2 inhibitor” refers to any compound which inhibits the COX-2 enzyme, without regard to the extent to which it inhibits COX-1.
  • cyclooxygenase-2 selective inhibitors useful in the present invention are those compounds that have a cyclooxygenase-2 IC50 of less than about 0.2 ⁇ M, and also have a selectivity ratio of cyclooxygenase-2 inhibition over cyclooxygenase-1 inhibition of at least 50, and more preferably of at least 100. Even more preferably, the cyclooxygenase-2 selective inhibitor compounds have a cyclooxygenase-1 IC50 of greater than about 1 ⁇ M, and more preferably of greater than 10 ⁇ M.
  • Each Inhibitor Compound was incubated at room temperature with 100 ⁇ L 0.04M Tris Buffer (pH 7.6), 10 ⁇ L Carbonic Anhydrase II Enzyme (500 Units/mL) and 70 ⁇ L 3mM p-nitrophenyl acetate substrate in a 96 well plate, and absorbance was read at 405 nm.
  • Acetazolamide 4 0.03 (0.04, 0.017, 0.03 , YES •017) ⁇ . 2 0.04 (0.03, 0.04) YES in. 1 0.04 YES rv 1 0.09 YES v. 3 0.14 (0.16, 0.15, .10; ) YES
  • the compounds shown to inhibit carbonic anhydrase can be used in methods of treatment or prevention of any carbonic anhydrase associated disorder, disease or physiological condition in a subject in which the inhibition of carbonic anhydrase enzymes effects treatment or prevention of the disorder, disease or physiological condition.
  • the Compounds I, II, in, IV, V, VI, VII, XI, XH or XTH, or pharmaceutical salts thereof or prodrugs may be used for any medical indication in which carbonic anhydrase inhibitors have been shown to be effective or may be effective, alone or in combination.
  • other related compounds having a sulfonamide group, and which exhibit carbonic anhydrase inhibition are within the scope of the invention.
  • the following is an exemplary list of structurally related compounds known to be selective COX-2 inhibitors that include a sulfonamide group: Compound XI (deracoxib) and Compound XU (JTE-522) or a pharmaceutically acceptable salts or prodrug thereof.
  • Compound XHI (parecoxib), below, which is a therapeutically effective prodrug of the tricyclic cyclooxygenase-2 selective inhibitor
  • Compound VII (valdecoxib) (U.S. 5,932,598, herein incorporated by reference)
  • valdecoxib U.S. 5,932,598, herein incorporated by reference
  • Suitable routes of administration of the compounds of the present invention include any means that produce contact of these compounds with their site of action in the subject's body. More specifically, suitable routes of administration include oral, intravenous, subcutaneous, rectal, topical, buccal (i.e. sublingual), intramuscular, and intradermal. In an exemplary embodiment, the combinations are orally administered.
  • Suitable pharmaceutically acceptable acid addition salts of the compounds of the present invention include when possible include those derived from inorganic acids, such as hydrochloric, hydrobromic, phophoric, metaphosphoric, nitric, sulfonic, sulfuric acids, and organic acids such as acetic, benzenesulfonic, benzoic, citric, ethanesulfonic, fumaric, gluconic, glycolic, isothiocyanic, lactic, lactobionic > maleic, malic, methanesulfonic, succinic, toluenesulfonic, tartaric, and trifluoroacetic acids.
  • the chloride salt is especially suitable for medical purposes.
  • Suitable pharmaceutically acceptable base salts include ammonium salts, alkali metal salts such as sodium and potassium salts, and alkaline earth salts
  • the compounds useful in the present invention are presented with an acceptable carrier in the form of a pharmaceutical combination.
  • the carrier must be acceptable in the sense of being compatible with the other ingredients of the pharmaceutical combination and must not be deleterious to the subject.
  • Suitable forms for the carrier include solid or liquid or both, and in an exemplary embodiment the carrier is formulated with the therapeutic compound as a unit-dose combination, for example as a tablet that contains from about 0.05% to about 95% by weight of the active compound.
  • other pharmacologically active substances are also present, including other compounds of the present invention.
  • the pharmaceutical combinations of the present invention are prepared by any of the well- known techniques of pharmacy, consisting essentially of admixing the ingredients.
  • Preferred unit dosage formulations are those containing an effective dose, as herein below described, or an appropriate fraction thereof, of one or more of the therapeutic compounds of the combinations.
  • a total daily dose of a cyclooxygenase-2 inhibitor in the combinations is in the range of about 0.3 to about 100 mg/kg body weight/day, preferably from about 1 mg to about 50 mg/kg body weight/day, and more preferably from about 3 mg to about 10 mg/kg body weight/day.
  • the weights indicated above refer to the weight of the acid equivalent or the base equivalent of the therapeutic compound derived from the salt.
  • the amount of each compound that is required to achieve the desired biological effect depends on a number of factors such as the specific individual compounds chosen, the specific use for which it is intended, the route of administration, the clinical condition of the subject, and the age, weight, gender, and diet of the subject.
  • doses described in the preceding paragraphs for the various, therapeutic compounds are administered in a single dose, or in proportionate multiple subdoses. Subdoses are administered from two to six times per day. In one embodiment, doses are administered in sustained release form effective to obtain the desired biological effect.
  • Oral delivery of the compounds of the present invention can include formulations, as are well known in the art, to provide prolonged or sustained delivery of the drug to the gastrointestinal tract by any number of mechanisms. These include, but are not limited to, pH sensitive release from the dosage form based on the changing pH of the small intestine, slow erosion of a tablet or capsule, retention in the stomach based on physical properties of the formulation, bioadhesion of the dosage form to the mucosal lining of the intestinal tract, or enzymatic release of the active drug from the dosage form.
  • Oral delivery of the compounds of the present invention can be achieved using a solid, semi-solid or liquid dosage form.
  • Suitable semi-solid and liquid forms include, for example, a syrup or liquid contained in a gel capsule.
  • compositions suitable for oral administration can be presented in discrete units, such as capsules, cachets, lozenges, or tablets, each containing a predetermined amount of at least one of the therapeutic compounds useful in the combinations of the present invention; as a powder or in granules; as a solution or a suspension in an aqueous or non-aqueous liquid; or as an oil-in-water or water-in-oil emulsion.
  • One embodiment of the present invention is the treatment and prevention of carbonic anhydrases associated disorders or diseases in a subject in wherein administration of carbon anhydrase inhibitor to the subject is known to be effective in the treatment or prevention of the disorder or disease.
  • disorders and diseases include, but are not limited to, edema associated with congestive heart failure and for drug-induced edema; open-angle glaucoma, secondary glaucoma and preoperatively in acute angle closure glaucoma before surgery, epilepsy, the prophylaxis and symptomatic treatment of acute mountain sickness, familial periodic paralysis, metabolic alkalosis, particularly alkalosis caused by diuretic induced increases in H + excretion, optic neuropathy associated with elevated intracranial pressure, pseudomotor cerebri in headache management, cystoid macular edema; cystoid macular edema due to retinitis pigmentosa.
  • Another embodiment of the invention is the treatment and prevention of neoplastic disorders or diseases in a subject wherein administration of carbon anhydrase inhibitor to the subject is effective in the treatment or prevention of the neoplastic disorder or disease.
  • neoplastic disorders or diseases include, but not limited to, renal cancer, leukemia, non-small cell lung cancer, ovarian cancer, melanoma, colon cancer , CNS cancers, prostate and breast cancer.
  • One embodiment of the invention includes methods of treatment or prevention of carbonic anhydrases associated disorders or diseases in a subject in need of such treatment or prevention, wherein administration Compound I, II, III, JN, V, VI, or VI, or a pharmaceutically acceptable salt or prodrug thereof, to the subject is effective in the treatment or prevention of the disorder or disease.
  • Compound V (celecoxib) and Compound VII (valdecoxib), which are shown to inhibit carbonic anhydrase, are selective COX-2 inhibitors.
  • Compound V and Compound VII, as well as other COX-2 inhibitors structurally related to Compound V and VII that have sulfonamide structures thereon, pharmaceutical salts or prodrugs thereof, may be used for any indications in which CA inhibitor and a COX-2 inhibitor would be indicated.
  • Such indications include, but are not limited to, treating ophthalmic or ocular inflammation and more preferably in method of treatment of ophthalmic diseases such as retinitis, conjunctivitis, retinopathies, uveitis and ophthalmic or ocular photophobia, and of acute injury to eye tissue where there is increased intraocular pressure that responds to treatment with carbonic anhydrase inhibitor drugs or agents.
  • ophthalmic diseases such as retinitis, conjunctivitis, retinopathies, uveitis and ophthalmic or ocular photophobia
  • those compounds that are both COX-2 inhibitors and carbonic anhydrase inhibitors are useful for treatment of corneal graft rejection, ophthalmic or ocular neovascularization, retinal neovascularization including that following injury or infection, diabetic retinopathy, macular degeneration, retrolental fibroplasia and neovascular glaucoma.
  • International Patent Publication No. WO 00/32189 which is incorporated herein by reference, describes orally deliverable compositions of celecoxib having utility in treatment of ophthalmic diseases such as retinitis, conjunctivitis, retinopathies, uveitis and ophthalmic or ocular photophobia, and of acute injury to eye tissue.
  • compositions are useful for treatment of corneal graft rejection, ophthalmic or ocular neovascularization, retinal neovascularization including that following injury or infection, diabetic retinopathy, macular degeneration, retrolental fibroplasia and neovascular glaucoma.
  • One embodiment of the present invention provides a method of treatment of ophfhalmologic disorders, diseases or conditions in which carbonic anhydrase is implicated or involved in metabolic pathways that influence the disorder, disease or condition comprising therapeutically effective amounts of Compound I, II, IJJ, IV, V, VI or VII in combination with other glaucoma drugs whether or not the agents are administered orally, topically to the eye or other method of delivery, the glaucoma drugs including, but not limited to, acetazolamide; osmotic diuretics; pilocarpine; beta blockers.
  • the present invention includes the treatment of ophthalmological diseases or disorders comprising the administration of therapeutically effective amounts of Compounds I, II, lTf, TV, V, VI or VII with one or more intraophthalmic or ocular pressure-reducing drugs including, without limitation latanoprost, travoprost, bimatoprost, or unoprostol.
  • Any drug having utility in a topical ophthalmic application can be used in co- therapy, co-administration or co-formulation with Compound I, TJ, HI, IV, V, VI or VII in methods of treatment of ophthalmological diseases or disorders in which carbonic anhydrase is implicated or involved in metabolic pathways that influence the diseases or conditions.
  • Such drugs include without limitation demulcents; antibiotics, antivirals and other anti-infectives; steroids, NSAIDs and other anti-inflammatory agents; acetylcholine blocking agents; adrenergic agonists, beta-adrenergic blocking agents and other antiglaucoma agents; antihypertensives; antihistamines; anticataract agents; and topical and regional anesthetics.
  • Illustrative specific drugs include acebutolol, aceclidine, acetylsalicylic acid (aspirin), N 4 acetylsulfisoxazole, alclofenac, alprenolol, amfenac, amiloride, aminocaproic acid, p-aminoclonidine, aminozolamide, anisindione, apafant, atenolol, bacitracin, benoxaprofen, benoxinate, benzofenac, bepafant, betamethasone, betaxolol, bethanechol, brimonidine, bromfenac, bromhexine, bucloxic acid, bupivacaine, butibufen, carbachol, carprofen, cephalexin, chloramphenicol, chlordiazepoxide, chlorprocaine, chlorpropamide, chlortetracycline, cicloprofen, cinmetacin, cipr
  • the invention provides that Compound V (celecoxib) and Compound VII (valdecoxib) can be administered alone to a subject having a disease or condition in which carbonic anhydrase is a factor and in which inflammation is present.
  • carbonic anydrase inhibitors preferably, Compounds I, II, III, IV, V, VI VII, XI, XII or XIE are combined with antineoplastic drugs or agents, anticancer drugs or agents or antiangiogenic drugs or agents in methods of treatment and prevent of diseases in which carbonic anhydrase inhibitors combined with antineoplastic drugs or agents, anticancer drugs or agents or antiangiogenic or antineoplastic agents are effective.
  • the Compounds I, II, III, IV, V, VI VE, XI, XII or XEI are combined with antineoplastic agents which include antimetabolite agents, alkylating agents, antibiotic-type agents, hormonal anticancer agents, immunological agents, interferon- type agents, and a category of miscellaneous ounantineoplastic agents to treat neoplastic diseases or conditions in which carbonic anhydrase also is implicated.
  • neoplastic diseases and conditions include, but are not limited to, renal cancer, leukemia, non-small cell lung cancer, ovarian cancer, melanoma, colon, CNS, renal, prostate and breast cancer cell lines.
  • the compounds I, ⁇ , III, IN, V, VI VE, XI, XE or XIE are combined with pyrimidine analogs and, more preferably, the compounds are used in combinations with 5 fluorouracil (5-FU) and prodrugs of 5-FU such as 1-phthalidyl 5 fluorouracil (PH-FU) to enhance effectiveness of the I, II, El, JN, V, VI, VE, XI, XII or XIE.
  • 5 fluorouracil 5 fluorouracil
  • prodrugs of 5-FU such as 1-phthalidyl 5 fluorouracil (PH-FU)

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US20030100594A1 (en) * 2001-08-10 2003-05-29 Pharmacia Corporation Carbonic anhydrase inhibitor
RS20050944A (sr) * 2003-05-22 2008-06-05 Nerviano Medical Sciences S.R.L., Derivati pirazolo- hinazolina,postupci za njihovo dobijanje i njihova upotreba kao inhibitora kinaze
LT5504B (lt) * 2006-08-02 2008-06-25 Biotechnologijos Institutas Benzimidazo[1,2-c][1,2,3]tiadiazolo sulfonamidai - karboanhidrazių slopikliai ir tarpiniai junginiai jiems gauti
CA2777071A1 (en) * 2009-10-21 2011-04-28 Bayer Pharma Aktiengesellschaft Substituted halophenoxybenzamide derivatives
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ATE233245T1 (de) * 1993-11-30 2003-03-15 Searle & Co Substituierte pyrazolyl-benzolsulfonamide und ihre verwendung als cyclooxygenaseii inhibitoren
JP3181190B2 (ja) * 1994-12-20 2001-07-03 日本たばこ産業株式会社 オキサゾール誘導体
US5944021A (en) * 1995-06-07 1999-08-31 Rodriguez; Victorio C. Therapeutic use of a carbonic anhydrase enzyme inhibitor for the treatment of brain edema
BR9708574A (pt) * 1996-04-12 1999-08-03 Searle & Co Derivados benzeno sulfonamida substituídos como pródrogas de inibidores cox-2
US6323226B1 (en) * 1999-10-19 2001-11-27 Texas Heart Institute Treatment of heart disease with cox-2 inhibitors

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BR0211836A (pt) 2004-12-14

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