WO2011041461A2 - Polycyclic compounds as lysophosphatidic acid receptor antagonists - Google Patents

Polycyclic compounds as lysophosphatidic acid receptor antagonists Download PDF

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Publication number
WO2011041461A2
WO2011041461A2 PCT/US2010/050786 US2010050786W WO2011041461A2 WO 2011041461 A2 WO2011041461 A2 WO 2011041461A2 US 2010050786 W US2010050786 W US 2010050786W WO 2011041461 A2 WO2011041461 A2 WO 2011041461A2
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WIPO (PCT)
Prior art keywords
methyl
isoxazol
compound
biphenyl
cyclopropanecarboxylic acid
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.)
Ceased
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PCT/US2010/050786
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English (en)
French (fr)
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WO2011041461A3 (en
Inventor
Ryan Clark
Brian Andrew Stearns
Lucy Zhao
Thomas Jon Seiders
Deborah Volkots
Jeannie M. Arruda
David Nathan Zalatan
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Amira Pharmaceuticals Inc
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Amira Pharmaceuticals Inc
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43128100&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2011041461(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP10821201.0A priority Critical patent/EP2483269A4/en
Priority to IN2702DEN2012 priority patent/IN2012DN02702A/en
Priority to CN201080054537.6A priority patent/CN102656168B/zh
Priority to AU2010300594A priority patent/AU2010300594A1/en
Priority to JP2012532286A priority patent/JP2013506679A/ja
Priority to BR112012007102A priority patent/BR112012007102A2/pt
Priority to CA2776779A priority patent/CA2776779A1/en
Application filed by Amira Pharmaceuticals Inc filed Critical Amira Pharmaceuticals Inc
Priority to MX2012003723A priority patent/MX2012003723A/es
Priority to EA201270467A priority patent/EA201270467A1/ru
Priority to PH1/2012/500572A priority patent/PH12012500572A1/en
Publication of WO2011041461A2 publication Critical patent/WO2011041461A2/en
Publication of WO2011041461A3 publication Critical patent/WO2011041461A3/en
Priority to TNP2012000126A priority patent/TN2012000126A1/en
Priority to IL218962A priority patent/IL218962A0/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4439—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
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    • A61K31/4965—Non-condensed pyrazines
    • A61K31/497—Non-condensed pyrazines containing further heterocyclic rings
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    • C—CHEMISTRY; METALLURGY
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    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
    • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
    • C07D261/08—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
    • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
    • C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D261/14—Nitrogen atoms
    • C—CHEMISTRY; METALLURGY
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    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
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    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
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Definitions

  • R D is H or Ci-C 6 alkyl
  • L 4 is absent, or a substituted or unsubstituted C 1 -C4 alkylene, where if L 4 is
  • ring A is a substituted or unsubstituted 5-membered monocyclic Ci-C 4 heteroarylene containing 1-4 N atoms, 0 or 1 O atoms and 0 or 1 S atoms, where if ring A is substituted, then ring A is substituted with 1 or 2 R 14 .
  • the compound of Formula (I) is an antagonist of LPA 3 .
  • presented herein are compounds selected from active metabolites, tautomers, solvates, pharmaceutically acceptable salts or prodrugs of a compound of Formula (I).
  • the one or more additional therapeutically active agents other than a compound of Formula (I) are selected from: corticosteroids, immunosuppresants, analgesics, anti-cancer agent, anti-inflammatories, chemokine receptor antagonists, bronchodilators, leukotriene receptor antagonists, leukotriene formation inhibitors, monoacylglycerol kinase inhibitors, phospholipase A 1 inhibitors, phospholipase A 2 inhibitors, and lysophospholipase D (lysoPLD) inhibitors, autotaxin inhibitors,
  • NASH steatohepatitis
  • biliary duct injury primary biliary cirrhosis
  • infection induced liver fibrosis viral induced liver fibrosis
  • autoimmune hepatitis corneal scarring
  • scleroderma spinal cord injury/fibrosis; myelofibrosis; vascular restenosis; atherosclerosis; arteriosclerosis; Wegener's granulomatosis; Peyronie's disease, chronic lymphocytic leukemia, tumor metastasis, transplant organ rejection, endometreosis, neonatal respiratory distress syndrome and neuropathic pain.
  • compounds disclosed herein are used to treat post-transplant fibrosis associated with chronic rejection in a mammal: Bronchiolitis obliterans for lung transplant.
  • the mammal is a human.
  • LPA and LPAi are involved in the etiology of kidney fibrosis.
  • LPAi LPAi receptor
  • UUO animal model of renal fibrosis mice treated with the LPA receptor antagonist Ki 16425 closely resembled the LPAi ( ⁇ / ⁇ ) mice.
  • a mammal suffering from one of the following non-limiting exemplary diseases, disorders, or conditions will benefit from therapy with a compound of Formula (I): atherosclerosis, thrombosis, heart disease, vasculitis, formation of scar tissue, restenosis, phlobitis, COPD (chronic obstructive pulmonary disease), pulmonary hypertension, pulmonary fibrosis, pulmonary inflammation, bowel adhesions, bladder fibrosis and cystitis, fibrosis of the nasal passages, sinusitis, inflammation mediated by neutrophils, and fibrosis mediated by fibroblasts.
  • atherosclerosis atherosclerosis, thrombosis, heart disease, vasculitis, formation of scar tissue, restenosis, phlobitis, COPD (chronic obstructive pulmonary disease), pulmonary hypertension, pulmonary fibrosis, pulmonary inflammation, bowel adhesions, bladder fibrosis and cystitis, fibrosis of the nasal passages, sinusitis
  • the nervous system is a major locus for LPAi expression.
  • a compound of Formula (I) for use in the treatment or prevention of a nervous system disorder in a mammal.
  • the term "nervous system disorder,” as used herein includes, but is not limited to, Alzheimer's Disease, cerebral edema, cerebral ischemia, stroke, multiple sclerosis, neuropathies, Parkinson's Disease, multiple sclerosis, retinal ischemia, postsurgical cognitive dysfunction, migraine, peripheral neuropathy/neuropathic pain, spinal cord injury, cerebral edema and head injury.
  • LPA-dependent conditions or diseases include those wherein an absolute or relative excess of LPA is present and/or observed.
  • the LPA-dependent or LPA-mediated diseases or conditions include, but are not limited to, organ fibrosis, asthma, allergic disorders, chronic obstructive pulmonary disease, pulmonary hypertension, lung or pleural fibrosis, peritoneal fibrosis, arthritis, allergy, cancer, cardiovascular disease, aldult respiratory distress syndrome, myocardial infarction, aneurysm, stroke, and cancer.
  • R E is Ci-C 6 alkyl or a substituted or unsubstituted phenyl
  • r is 1 or 2. In some embodiments, r is 1.
  • ring A is a substituted or unsubstituted phenyl, or a substituted or unsubstituted monocyclic Ci-Csheteroarylene, where if ring A is substituted, then ring A is substituted with 1 or 2 R 14 .
  • ring A is a substituted or unsubstituted monocyclic Ci- Csheteroarylene containing 1-4 N atoms, 0 or 1 O atoms and 0 or 1 S atoms, where if ring A is substituted, then ring A is substituted with 1 or 2 R 14 .
  • compounds described herein may coordinate with an organic base, such as, but not limited to, ethanolamine, diethanolamine, triethanolamine, tromethamine, N-methylglucamine, dicyclohexylamine, tris(hydroxymethyl)methylamine.
  • compounds described herein may form salts with amino acids such as, but not limited to, arginine, lysine, and the like.
  • Acceptable inorganic bases used to form salts with compounds that include an acidic proton include, but are not limited to, aluminum hydroxide, calcium hydroxide, potassium hydroxide, sodium carbonate, sodium hydroxide, and the like.
  • a sodium salt of the compound of Formula (I) is prepared.
  • the effective amount of the compound of Formula (I) is: (a) systemically administered to the mammal; and/or (b) administered orally to the mammal; and/or (c) intravenously administered to the mammal; and/or (d) administered by inhalation to the mammal; and/or (e) administered by nasal administration to the mammal; or and/or (f) administered by injection to the mammal; and/or (g) administered topically to the mammal; and/or (h) administered by ophthalmic administration; and/or (i) administered rectally to the mammal; and/or (j) adminstered non- systemically or locally to the mammal.
  • compounds of Formula (I) are prepared as transdermal dosage forms.
  • Step 9 l-[4-(4,4,5,5-Tetramethyl-[l,3,2]dioxaborolan-2-yl)-phenyl]- cyclopropanecarboxylic acid ethyl ester: l-(4-Bromo-phenyl)-cyclopropanecarboxylic acid ethyl ester (3.6 g, 13.4 mmol), bis(pinacolato)diboron (3.37 g, 16.1 mmol), and potassium acetate (2.8 g, 29.0 mmol) were combined in 1,4-dioxane (30 mL) under N 2 atmosphere.
  • Step 10 l-[4'-(4-tei"i-Butoxycarbonylamino-3-methyl-isoxazol-5-yl)-biphenyl-4- yl]-cyclopropanecarboxylic acid ethyl ester: [5-(4-Bromo-phenyl)-3-methyl-isoxazol-4- yl]-carbamic acid tert-butyl ester (2.0 g, 5.6 mmol), l-[4-(4,4,5,5-tetramethyl- [l,3,2]dioxaborolan-2-yl)-phenyl]-cyclopropanecarboxylic acid ethyl ester (1.78 g, 5.6 mmol), tetrakis(triphenylphosphine)palladium(0) (0.65 g, 0.56 mmol), and sodium bicarbonate (1.4 g, 16.8 mmol) were combined in DME (30 ).
  • Step 2 l-(4'- ⁇ 3-Methyl-4-[(5-phenyl-[l,3,4]oxadiazol-2-ylamino)-methyl]- isoxazol-5-yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 1, Step 10, using [5-(4-bromo-phenyl)-3- methyl-isoxazol-4-ylmethyl]-(5-phenyl-[l,3,4]oxadiazol-2-yl)-amine and l-[4-(4,4,5,5- tetramethyl-[l,3,2]dioxaborolan-2-yl)-phenyl]-cyclopropanecarboxylic acid ethyl ester.
  • Step 3 The ester from Step 2 was hydro lyzed to the acid according to the procedure described in Example 3.
  • Step 2 l-[4'-(4- ⁇ [l-(4-Chloro-benzyl)-lH-[l,2,3]triazol-4-yl]-hydroxy-methyl ⁇ - 3-methyl-isoxazol-5-yl)-biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester:
  • Step 1 ((S)-l-Bromo-ethyl)-benzene: Bromine (3.2 g, 20.0 mmol) was added to a suspension of triphenylphosphine (5.2 g, 19.8 mmol) stirring in ACN at -15 °C. The reaction was warmed to room temperature and stirred for 50 mintues then cooled to -35 °C and (Pv)-(+)-l-phenylethanol (1.6 g, 13.1 mmol) was added. The reaction was allowed to warm to -10 °C over 70 minutes and was then quenched with H 2 0 and submitted to standard aqueous workup to afford the title compound which was used without further purification.
  • Step 2 (6-Benzyl-pyridin-2-yl)-[5-(4-bromo-phenyl)-3-methyl-isoxazol-4-yl]- methanol: Prepared according to the procedure described in Example 34, Step 3, using 5- (4-bromo-phenyl)-3-methyl-isoxazole-4-carbaldehyde and 2-benzyl-6-bromo-pyridine.
  • Step 2 l-[4'-(4- ⁇ Hydroxy-[l-(2-methyl-benzyl)-lH-[l,2,3]triazol-4-yl]-methyl ⁇ - 3-methyl-isoxazol-5-yl)-biphenyl-4-yl] -cyclopropanecarboxylic acid ethyl ester:
  • Step 1 2-Bromo-6-phenyl-pyrazine: Prepared according to the procedure described in Example 1, Step 10, using 2,6-dibromo-pyrazine and phenylboronic acid. Additionally, (l, -bis(diphenylphosphino)ferrocene)-dichloropalladium(II) was used as the catalyst in place of tetrakis(triphenylphosphine)palladium(0).
  • Step 2 l- ⁇ 4'-[3-Methyl-4-(6-phenyl-pyrazin-2-ylamino)-isoxazol-5-yl]-biphenyl- 4-yl ⁇ -cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 41, Step 2, using l-[4'-(4-amino-3-methyl-isoxazol-5-yl)-biphenyl-4- yl]-cyclopropanecarboxylic acid ethyl ester and 2-bromo-6-phenyl-pyrazine.
  • Step 3 l- ⁇ 4'-[4-(5-Benzyl-[l,3,4]oxadiazol-2-ylamino)-3-methyl-isoxazol-5-yl]- biphenyl-4-yl ⁇ -cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 1, Step 10, using (5-benzyl-[l,3,4]oxadiazol-2-yl)-[5-(4- bromo-phenyl)-3-methyl-isoxazol-4-yl]-amine and l-[4-(4,4,5,5-tetramethyl- [l,3,2]dioxaborolan-2-yl)-phenyl]-cyclopropanecarboxylic acid ethyl ester.
  • Step 3 l-(4'- ⁇ 4-[6-(2-Fluoro-benzyl)-pyridin-2-ylamino]-3-methyl-isoxazol-5- yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 41, Step 2, using l-[4'-(4-amino-3-methyl-isoxazol-5-yl)- biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester and 2-bromo-6-(2-fluoro-benzyl)- pyridine.
  • Step 3 l-(4'- ⁇ 4-[6-(3-Fluoro-benzyl)-pyridin-2-ylamino]-3-methyl-isoxazol-5- yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 41, Step 2, using l-[4'-(4-amino-3-methyl-isoxazol-5-yl)- biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester and 2-bromo-6-(3-fluoro-benzyl)- pyridine.
  • Step 3 l-(4'- ⁇ 4-[6-(4-Fluoro-benzyl)-pyridin-2-ylamino]-3-methyl-isoxazol-5- yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 41, Step 2, using l-[4'-(4-amino-3-methyl-isoxazol-5-yl)- biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester and 2-bromo-6-(4-fluoro-benzyl)- pyridine.
  • Step 1 l- ⁇ 4'-[4-(3-Benzyl-phenylamino)-3-methyl-isoxazol-5-yl]-biphenyl-4-yl ⁇ - cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 41, Step 2, using l-[4'-(4-amino-3-methyl-isoxazol-5-yl)-biphenyl-4-yl]- cyclopropanecarboxylic acid ethyl ester and l-benzyl-3-bromo-benzene.
  • Step 3 The ester from Step 2 was hydro lyzed to the acid according to the procedure described in Example 3.
  • Step 1 l-[4'-(4- ⁇ Hydroxy-[5-(3-trifluoromethyl-phenyl)-pyridin-3-yl]-methyl ⁇ - 3-methyl-isoxazol-5-yl)-biphenyl-4-yl] -cyclopropanecarboxylic acid ethyl ester:
  • Step 1 l- ⁇ 4'-[3-Methyl-4-(6-phenylethynyl-pyridin-2-ylamino)-isoxazol-5-yl]- biphenyl-4-yl ⁇ -cyclopropanecarboxylic acid ethyl ester: l- ⁇ 4'-[4-(6-Bromo-pyridin-2- ylamino)-3-methyl-isoxazol-5-yl]-biphenyl-4-yl ⁇ -cyclopropanecarboxylic acid ethyl ester (0.200 g, 0.386 mmol) was dissolved in toluene along with phenylacetylene (0.051 mL, 0.46 mmol), copper(I) iodide (0.367 g, 1.93 mmol), triethylamine (0.269 mL, 1.93 mmol) and bis(triphenylphosphine)pal
  • Step 2 The ester from Step 1 was hydro lyzed to the acid according to the procedure described in Example 3.
  • Step 2 The ester from Step 1 was hydro lyzed to the acid according to the procedure described in Example 3.
  • Step 3 The ester from Step 2 was hydrolyzed to the acid according to the procedure described in Example 3.
  • Example 103 Synthesis of l-(4'- ⁇ 4-[5-(2,5-Difluoro-phenyl)-pyridin-3-ylamino]-3- methyl-isoxazol-5-yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid (Compound 89)
  • Step 1 l-(4'- ⁇ 4-[6-(3-Chloro-phenyl)-pyridin-2-ylamino]-3-methyl-isoxazol-5- yl ⁇ -biphenyl-4-yl)-cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 1, Step 10, using l- ⁇ 4'-[4-(6-bromo-pyridin-2-ylamino)-3- methyl-isoxazol-5-yl]-biphenyl-4-yl ⁇ -cyclopropanecarboxylic acid ethyl ester and 3- chlorophenylboronic acid. (1,1 '-bis(diphenylphosphino)ferrocene)-dichloropalladium(II) was used in place of tetrakis(triphenylphosphine)palladium(0).
  • Step 7 l-[4'-(4-Amino-3-ethyl-isoxazol-5-yl)-biphenyl-4-yl]- cyclopropanecarboxylic acid ethyl ester: Prepared according to the procedure described in Example 1, Step 11, using l-[4'-(4-tert-butoxycarbonylamino-3-ethyl-isoxazol-5-yl)- biphenyl-4-yl]-cyclopropanecarboxylic acid ethyl ester.
  • Example 109 Establishment of a CHO Cell Line Stably Expressing Human LPA 3
  • the full-length cDNA fragment for human LP A3 was obtained by PCR from the vector.
  • the nucleotide sequence of the cloned human LPA 3 was determined by sequencing and confirmed to be identical to the published human LP A3 sequence (NCBI accession number NM 012152).
  • the cDNA was cloned into the pCDNA5/FRT expression plasmid and transfected in CHO cells using lipofectamine 2000 (Invitrogen Corp., USA). Clones stably expressing human LPA 3 were selected using hygromycin and identified as cells that show Ca-influx in response to LPA.
  • A less than 0.3 ⁇
  • B greater than 0.3 ⁇ and less than 1 ⁇
  • mice are returned to their cages and monitored daily for the duration of the experiment.
  • Test compound or vehicle is delivered po, ip or sc daily. The route and frequency of dosing is based on previously determined
  • BALF is centrifuged for 10 min at 800 x g to pellet the cells and the cell supernatant removed and frozen at -80 °C for subsequent protein analysis using the DC protein assay kit (Biorad, Hercules, CA.) and soluble collagen analysis using Sircol (Biocolor Ltd, UK).
  • BALF is analyzed for concentrations of inflammatory, pro-fibrotic and tissue injury biomarkers including transforming growth factor ⁇ , hyaluronic acid, tissue inhibitor of metalloproteinase-1, matrix matelloproteinase- 7, connective tissue growth factor and lactate dehydrogenase activity, using commercially available ELISA.
  • the cell pellet is re-suspended in PBS.
  • kidneys are harvested and one half of the kidney is frozen at -80°C and the other half is fixed in 10% neutral buffered formalin for histological assessment of kidney fibrosis using light microscopy (lOx magnification).
  • Kidney tissue homogenates are analyzed for collagen levels using Sircol (Biocolor Ltd, UK). Fixed kidney tissue is also stained using hematoxylin and eosin (H&E) and trichrome and kidney fibrosis is determined by quantitative, computer-assisted densitometry of collagen in liver tissue sections using light microscopy and collagen content in kidney lysate.
  • H&E hematoxylin and eosin
  • Plasma and kidney tissue lysates are also analyzed for concentrations of inflammatory, pro-fibrotic and tissue injury biomarkers including transforming growth factor ⁇ , hyaluronic acid, tissue inhibitor of metalloproteinase-1, and plasminogen activator inhibitor -1, using commercially available ELISA.
  • the resulting data are plotted using Graphpad prism and statistical differences between groups determined.
  • a pharmaceutical composition for oral delivery 100 mg of a compound of Formula (I) is mixed with 750 mg of starch. The mixture is incorporated into an oral dosage unit for, such as a hard gelatin capsule, which is suitable for oral administration.
  • Example 121 Sublingual (Hard Lozenge) Pharmaceutical Composition
  • a pharmaceutical composition for buccal delivery such as a hard lozenge
  • a pharmaceutical composition for buccal delivery such as a hard lozenge
  • the mixture is gently blended and poured into a mold to form a lozenge suitable for buccal administration.
  • a pharmaceutical opthalmic solution composition 100 mg of a compound of Formula (I) is mixed with 0.9 g of NaCl in 100 mL of purified water and filterd using a 0.2 micron filter. The resulting isotonic solution is then incorporated into ophthalmic delivery units, such as eye drop containers, which are suitable for ophthalmic administration.

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WO2011041462A2 (en) 2011-04-07
CN102770415A (zh) 2012-11-07
JP2013506679A (ja) 2013-02-28
WO2011041462A3 (en) 2011-08-11
IL218962A0 (en) 2012-07-31
PH12012500572A1 (en) 2012-10-22
GB201016312D0 (en) 2010-11-10
TWI415849B (zh) 2013-11-21
CN102656168B (zh) 2015-04-01
IN2012DN02702A (forum.php) 2015-09-04
EP2483251A2 (en) 2012-08-08
CA2776779A1 (en) 2011-04-07
EP2483251B1 (en) 2016-10-26
TW201125862A (en) 2011-08-01
CN102656168A (zh) 2012-09-05
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AU2010300594A1 (en) 2012-05-17
WO2011041461A3 (en) 2011-08-25
PE20120997A1 (es) 2012-08-01
EA201270467A1 (ru) 2012-09-28
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US20130072490A1 (en) 2013-03-21
US10000456B2 (en) 2018-06-19
GB2474748B (en) 2011-10-12
US20110082164A1 (en) 2011-04-07
BR112012007102A2 (pt) 2016-04-26
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US20140256744A1 (en) 2014-09-11
CN102770415B (zh) 2014-09-24
KR20120097490A (ko) 2012-09-04
US8778983B2 (en) 2014-07-15
US8664220B2 (en) 2014-03-04
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