EP1871378A1 - Verwendungen von 2-phenyl-substituierten imidazotriazinon-derivaten zur behandlung von pulmonaler hypertonie - Google Patents
Verwendungen von 2-phenyl-substituierten imidazotriazinon-derivaten zur behandlung von pulmonaler hypertonieInfo
- Publication number
- EP1871378A1 EP1871378A1 EP06723751A EP06723751A EP1871378A1 EP 1871378 A1 EP1871378 A1 EP 1871378A1 EP 06723751 A EP06723751 A EP 06723751A EP 06723751 A EP06723751 A EP 06723751A EP 1871378 A1 EP1871378 A1 EP 1871378A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pulmonary hypertension
- hypertension
- methyl
- inhibitors
- phenyl
- 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- Withdrawn
Links
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- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
- 229960004919 procaine Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229960000203 propafenone Drugs 0.000 description 1
- JWHAUXFOSRPERK-UHFFFAOYSA-N propafenone Chemical compound CCCNCC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 JWHAUXFOSRPERK-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960003712 propranolol Drugs 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229960001455 quinapril Drugs 0.000 description 1
- JSDRRTOADPPCHY-HSQYWUDLSA-N quinapril Chemical compound C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CC2=CC=CC=C2C1)C(O)=O)CC1=CC=CC=C1 JSDRRTOADPPCHY-HSQYWUDLSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229960002693 quinidine bisulfate Drugs 0.000 description 1
- 229960003401 ramipril Drugs 0.000 description 1
- HDACQVRGBOVJII-JBDAPHQKSA-N ramipril Chemical compound C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](C[C@@H]2CCC[C@@H]21)C(O)=O)CC1=CC=CC=C1 HDACQVRGBOVJII-JBDAPHQKSA-N 0.000 description 1
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- 239000002464 receptor antagonist Substances 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
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- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
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- TVTJZMHAIQQZTL-WATAJHSMSA-M sodium;(2s,4s)-4-cyclohexyl-1-[2-[[(1s)-2-methyl-1-propanoyloxypropoxy]-(4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylate Chemical compound [Na+].C([P@@](=O)(O[C@H](OC(=O)CC)C(C)C)CC(=O)N1[C@@H](C[C@H](C1)C1CCCCC1)C([O-])=O)CCCC1=CC=CC=C1 TVTJZMHAIQQZTL-WATAJHSMSA-M 0.000 description 1
- RSGAIWOEJXRYRV-UHFFFAOYSA-M sodium;2-[4-[[4-methyl-6-(1-methylbenzimidazol-2-yl)-2-propylbenzimidazol-1-yl]methyl]phenyl]benzoate Chemical compound [Na+].CCCC1=NC2=C(C)C=C(C=3N(C4=CC=CC=C4N=3)C)C=C2N1CC(C=C1)=CC=C1C1=CC=CC=C1C([O-])=O RSGAIWOEJXRYRV-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- VIDRYROWYFWGSY-UHFFFAOYSA-N sotalol hydrochloride Chemical compound Cl.CC(C)NCC(O)C1=CC=C(NS(C)(=O)=O)C=C1 VIDRYROWYFWGSY-UHFFFAOYSA-N 0.000 description 1
- LXMSZDCAJNLERA-ZHYRCANASA-N spironolactone Chemical compound C([C@@H]1[C@]2(C)CC[C@@H]3[C@@]4(C)CCC(=O)C=C4C[C@H]([C@@H]13)SC(=O)C)C[C@@]21CCC(=O)O1 LXMSZDCAJNLERA-ZHYRCANASA-N 0.000 description 1
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- 229960003658 talinolol Drugs 0.000 description 1
- MXFWWQICDIZSOA-UHFFFAOYSA-N talinolol Chemical compound C1=CC(OCC(O)CNC(C)(C)C)=CC=C1NC(=O)NC1CCCCC1 MXFWWQICDIZSOA-UHFFFAOYSA-N 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 229960001693 terazosin Drugs 0.000 description 1
- VCKUSRYTPJJLNI-UHFFFAOYSA-N terazosin Chemical compound N=1C(N)=C2C=C(OC)C(OC)=CC2=NC=1N(CC1)CCN1C(=O)C1CCCO1 VCKUSRYTPJJLNI-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- 230000008719 thickening Effects 0.000 description 1
- 229960005461 torasemide Drugs 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 229960002051 trandolapril Drugs 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- CUGZEDSDRBMZMY-UHFFFAOYSA-N trihydrate;hydrochloride Chemical compound O.O.O.Cl CUGZEDSDRBMZMY-UHFFFAOYSA-N 0.000 description 1
- 241000701447 unidentified baculovirus Species 0.000 description 1
- 229960004699 valsartan Drugs 0.000 description 1
- SJSNUMAYCRRIOM-QFIPXVFZSA-N valsartan Chemical compound C1=CC(CN(C(=O)CCCC)[C@@H](C(C)C)C(O)=O)=CC=C1C1=CC=CC=C1C1=NN=N[N]1 SJSNUMAYCRRIOM-QFIPXVFZSA-N 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
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- 229960005080 warfarin Drugs 0.000 description 1
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- 239000008215 water for injection Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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Classifications
-
- 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
- A61K31/53—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine
-
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
-
- 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
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- 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
- A61P11/08—Bronchodilators
-
- 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
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Definitions
- the present invention relates to the use of PDE 5 inhibitors in general, and in particular of known 2-phenyl-substituted Lnidazotriazinon derivatives for the preparation of medicaments for the treatment of diseases, which are considered to be very difficult to treat.
- cyclic nucleotide cGMP cyclic guanosine monophosphate
- PDEs phosphodiesterases
- PDE 5 is found mainly in vascular smooth muscle cell tissue, less in the kidney, lung and platelets. Because of their vasorelaxierenden effect PDE 5 inhibitors are proposed for the treatment of angina and hypertension, but mainly for the treatment of erectile dysfunction.
- WO 99/24433 describes 2-phenyl-substituted hiidazotriazinones, their cGMP-PDE-inhibiting action and their use for the treatment of vascular diseases, in particular for the treatment of erectile dysfunction.
- WO 02/089808 and WO 03/011262 disclose uses of 2-phenyl substituted ünidazotriazinonen.
- Cyclic guanosine 3 ', 5'-monophosphate-metabolizing phosphodiesterases are the PDE 1, 2, 5, 6, 9, 10 and 11.
- 2-phenyl-substituted Imidazotriazinone are potent inhibitors of Phosphodiesterase 5.
- the differentiated expression of phosphodiesterases in different cells, tissues and organs, as well as the differentiated subcellular localization of these enzymes, in combination with selective inhibitors, allow a selective increase in cGMP concentration in specific cells, tissues and organs, thereby allowing addressing of various cGMP-regulated events, so that PDE 5 inhibitors are therapeutically useful in a number of conditions that may be affected by the increase in cGMP levels.
- cGMP levels in certain tissues also hitherto difficult to treat disease states are, such as primary pulmonary hypertension, secondary pulmonary hypertension, pulmonary arterial Hypertension, post-pulmonary hypertension, hepatopulmonary syndrome, pulmonary hypertension mediated by drugs such as amphetamines, pulmonary hypertension associated with HIV, thromboembolic pulmonary hypertension, pulmonary hypertension in children and neonates, atmospheric hypoxia-induced pulmonary hypertension (COPD) , Emphysema, chronic asthma, bronchial, mucoviscidosis-related pulmonary hypertension, right heart failure, left heart failure and global insufficiency.
- drugs such as amphetamines, pulmonary hypertension associated with HIV, thromboembolic pulmonary hypertension, pulmonary hypertension in children and neonates, atmospheric hypoxia-induced pulmonary hypertension (COPD) , Emphysema, chronic asthma, bronchial, mucoviscidosis-related pulmonary hypertension, right heart failure, left heart failure and global insufficiency.
- ISH isolated systolic hypertension
- those PDE 5 inhibitors are preferred which inhibit in the test listed below PDE 5 with an IC 50 value of less than 1 uM, preferably less than 0.1 uM.
- the PDE 5 inhibitors used according to the invention are also selective to cAMP-PDEs, in particular to PDE 4. Particularly preferred is an at least 10-fold stronger inhibition of PDE 5.
- the PDE 5 inhibitors can be used alone or in a combination according to the invention with other therapeutics for the treatment of the named diseases. Suitable therapeutics to be combined are:
- Anticoagulants other phosphodiesterase inhibitors, including those that relax the smooth muscles by increasing cAMP, such as the PDE3 inhibitor milrinone
- the drugs can be administered on the previously known routes.
- Particularly preferred are oral, intravenous and inhalative administration.
- fast-release dosage forms such as coated or uncoated tablets, capsules, powders, granules, disintegrating in the mouth drug forms, oral solutions, injection solutions, infusion solutions, inhalation solutions, inhalation suspensions or powder for inhalation are suitable.
- controlled-release formulations are particularly preferred.
- One aspect of the present invention relates to the use of these cGMP-PDE inhibitors, and more particularly to compounds of the general formula (I)
- R. 1 is methyl or ethyl
- R 2 is ethyl or propyl
- R 3 and R 4 are identical or different and represent a straight-chain or branched alkyl chain having up to 5 carbon atoms, which is optionally monosubstituted by identical or different substituents by hydroxy or methoxy,
- R 3 and R 4 together with the nitrogen atom, a piperidinyl, morpholinyl, Thiomorpholinyl- ring or a radical of the formula
- R 6 is hydrogen, formyl, acyl or alkoxycarbonyl, each having up to 3 carbon atoms,
- straight-chain or branched alkyl having up to 3 carbon atoms which may be mono- to disubstituted, identical or different, by hydroxyl, carboxyl, straight-chain or branched alkoxy or alkoxycarbonyl having in each case up to 3 carbon atoms or by groups of the formulas - (CO) ⁇ NR 7 R 8 or -P (O) (OR 9 ) (OR 10 ) is substituted,
- R 7 and R 8 are identical or different and denote hydrogen or methyl
- R 9 and R 10 are the same or different and denote hydrogen, methyl or ethyl
- R 6 denotes cyclopentyl
- R 11 and R 12 are the same or different and denote hydrogen, methyl or ethyl
- i is a number 0 or 1
- R 13 and R 14 are the same or different and denote hydrogen or methyl
- R 3 and R 4 are optionally substituted by straight-chain or branched alkyl having up to 3 carbon atoms, optionally once or twice, identically or differently, by hydroxyl, carboxyl or by a Radical of the formula -P (O) OR 15 OR 16 is substituted,
- R 15 and R 16 are the same or different and denote hydrogen, methyl or ethyl
- R 3 and R 4 are optionally substituted by N-linked piperidinyl or pyrrolidinyl,
- R 5 is ethoxy or propoxy
- pulmonary hypertension for the treatment of eg primary pulmonary hypertension, secondary pulmonary hypertension, pulmonary arterial hypertension, portopulmonary hypertension, hepatopulmonary syndrome, mediated pulmonary hypertension (amphethamine) "interstitial lung disease", pulmonary hypertension associated with HIV, thromboembolic pulmonary hypertension, pulmonary hypertension in children and neonates, atmospheric hypoxia-induced pulmonary hypertension (COPD), emphysema, chronic bronchial asthma, pulmonary hypertension due to mucoviscidosis, right heart failure, left ventricular failure and global insufficiency and the combination of PDE 5 inhibitors in general and in particular of known 2-phenyl substituted imidazotriazinone derivatives with standard therapeutics in the indicated indications and
- ISH isolated systolic hypertension
- the compounds used according to the invention may exist in stereoisomeric forms (enantiomers, diastereomers).
- the invention therefore includes the use of the enantiomers and diastereomers and their respective mixtures. From such mixtures of enantiomers and / or diastereomers, the stereoisomerically uniform components can be isolated in a known manner.
- the present invention encompasses all tautomeric forms.
- Salts used in the context of the present invention are physiologically acceptable salts of the compounds used according to the invention. Also included are salts which are not suitable for pharmaceutical applications themselves, but can be used, for example, for the isolation or purification of the compounds used according to the invention.
- Physiologically acceptable salts of the compounds used according to the invention include acid addition salts of mineral acids, carboxylic acids and sulfonic acids, for example salts of hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid, methanesulfonic acid, ethanesulfonic acid, ethanedisulfonic acid, 2-hydroxyethanesulfonic acid, toluenesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid, naphthalenedisulfonic acid, adipic acid, ascorbic acid , Succinic acid, acetic acid, trifluoroacetic acid, propionic acid, lactic acid as (+) - L-lactic acid or racemic (+) - DL-lactic acid, malonic acid, tartaric acid, malic acid, citric acid, fumaric acid, Maleic acid, benzoic acid, gluconic acid, glucuronic acid, lactobionic acid
- Physiologically acceptable salts of the compounds used according to the invention also include salts of customary bases, such as, by way of example and by way of preference, alkali metal salts (eg sodium and potassium salts), alkaline earth salts (eg calcium and magnesium salts) and ammonium salts derived from ammonia or organic amines having 1 to 16 carbon atoms as exemplified and preferably ethylamine, diethylamine, triethylamine, ethyldiisopropylamine, monoethanolamine, diethanolamine, triethanolamine, dicyclohexylamine, dimethylaminoethanol, procaine, dibenzylamine, N-methylmorpholine, arginine, lysine, ethylenediamine and N-methylpiperidine.
- customary bases such as, by way of example and by way of preference, alkali metal salts (eg sodium and potassium salts), alkaline earth salts (eg calcium and magnesium salts) and ammoni
- Solvates in the context of the invention are those forms of the compounds used according to the invention, which form a complex in the solid or liquid state by coordination with solvent molecules. Hydrates are a special form of solvates that coordinate with water. As solvates, hydrates are preferred in the context of the present invention. Hydrates can be prepared, for example, by crystallizing the compound in question from water or an aqueous solvent.
- the present invention also includes prodrugs of the compounds used in the invention.
- prodrugs includes compounds which may themselves be biologically active or inactive, but which are converted during their residence time in the body to the compounds used according to the invention (for example metabolically or hydrolytically).
- acyl radical having 1 to 3 carbon atoms in the context of the invention is, for example, formyl, acetyl or propionyl.
- a straight-chain or branched alkoxy radical having 1 to 3 carbon atoms in the context of the invention is, for example, methoxy, ethoxy, n-propoxy or isopropoxy.
- alkoxycarbonyl radical having 1 to 3 carbon atoms in the context of the invention is, for example, methoxycarbonyl, ethoxycarbonyl or propoxycarbonyl.
- a straight-chain or branched alkyl radical having 1 to 5 or 1 to 3 carbon atoms in the context of the invention is, for example, methyl, ethyl, n-propyl, isopropyl, tert-butyl or n-pentyl.
- Straight-chain or branched alkyl radicals having 1 to 4 or 1 to 3 carbon atoms are preferred.
- a further embodiment of the invention relates to the use according to the invention of compounds of the general formula (I) in which the radicals R 5 and -SO 2 NR 3 R 4 are in the para position relative to one another on the phenyl ring and R 1 , R 2 , R 3 , R 4 and R 5 are each as defined above.
- a further embodiment of the invention relates to the use according to the invention of compounds of the general formula (Ia)
- R 1 , R 2 , R 3 , R 4 and R 5 are each as defined above,
- a further embodiment of the invention relates to the use of the compounds of the general formulas (T) and (Ia) for the preparation of a medicament for the treatment of, for example, primary pulmonary hypertension, secondary pulmonary hypertension, pulmonary arterial hypertension, portopulmonary hypertension, hepatopulmonary syndrome, medication-induced pulmonary hypertension (Amphetamine) "interstitial dysfunction", HTV-related pulmonary hypertension, thromboembolic pulmonary hypertension, pulmonary hypertension in children and neonates, hypoxia-induced pulmonary hypertension (altitude sickness), COPD, emphysema, chronic bronchial asthma, pulmonary hypertension caused by mucoviscidosis, right heart failure , Left ventricular failure and Global insufficiency and the combination of PDE 5 inhibitors in general and in particular of known 2-phenyl-substituted imidazotriazinone derivatives with standard therapeutics in the mentioned indications.
- PDE 5 inhibitors in general and in particular of known 2-phenyl-substituted imi
- sildenafil and its salts e.g. Citrate
- ISH isolated systolic hypertension
- aorta aorta
- Another object of the present invention is the use of the compounds of the invention in combination with one or more other therapeutic agents for the treatment of the above-mentioned clinical pictures.
- the combination can be carried out freely, wherein the cGMP PDE inhibitor and the one or more other therapeutic agents are administered in separate dosage forms.
- a time-separated administration of the combination partners is also possible.
- the co-administration is a fixed combination in which the combination partners are part of a drug form or are closely packed together in a common package.
- the inhalation of oxygen or NO wherein the inhalation can also be einschleichend, creeping and pulsatile.
- Other therapeutics to be combined include diuretics, antiarrhythmics, calcium channel blockers and vasodilators.
- hydrochlorothiazide, furosemide, piretamide, torasemide, potassium canrenoate or spironolactone are suitable as a diuretic.
- antiarrhythmic agents for example, quinidine hydrogen sulfate tetrahydrate, disopyramide phosphate, ajmaline, prallybium tartrate, lidocaine, mexiletine HCl, propafenone HCl, flecainide acetate, amiodarone HCl, sotalol HCl, ipratropium bromide or adenosine can be used.
- Suitable calcium channel blockers are, for example, nitrendipine, isradipine, felodipine, nilvadipine, nifedipine, nisoldipine, lacidipine, lercanidipine HCl, manidipine 2 HCl, nicardipine HCl or amlodipine, for example as amlodipine maleate, amlodipine mesilate hydrate or amlodipine besylate.
- Suitable vasodilators are, for example, nitroprusside sodium dihydrate, minoxidil or dihydralazine, for example as dihydralazine sulfate or dihydralazine mesilate.
- Other combinable therapeutics are prostanoids such as PGI2 and derivatives as well as prostacyclin and its analogs, epoprostenol, beraprost, hoprost, treprostinil sodium, endothelin receptor antagonists such as bosentan and adrenomedullin.
- the therapeutic agents to be combined are also supplied by inhalation or parenterally.
- combinable therapeutics include anticoagulants such as warfarin and other phosphodiesterase inhibitors, for example PDE3 inhibitors, PDE4 inhibitors, PDE5 inhibitors; for example from WO 2004022557, WO 2004019945, WO 2004018457, WO 2004018450, WO 2004018449, WO 2004017974, WO 2003074055, WO 2003070279, WO 2002085906, WO 2002085885, WO 2004018465, sildenafil or tadalafil.
- cardiac glycosides for example digoxin, acetyldigoxin, metildigoxin or digitoxin.
- beta-blockers such as atenolol, propanolol, pindolol, bisoprolol, metoprolol.
- celiprolol, talinolol, acebutolol HCl, oxprolol, nadolol, penbutolol sulfate, carteolol HCl, bupranolol HCl or mepindolol sulfate are possible.
- alpha - receptor blockers such as doxazosin, prazosin or terazosin.
- ACE inhibitors such as, for example, enalapril maleate, captopril, lisinopril dihydrate, quinapril HCl, fosinopril sodium, trandolapril, benazepril HCl, ramipril or cilazapril.
- angiotensin II receptor antagonists such as losartan potassium, esesartan, valsartan, candesartancilexetil, eprosartan, telmisartan or olmesartan medoxomil.
- nitrates or NO donors such as isosorbide mononitrate, isosorbide dinitrate or molsidomine.
- the various routes of administration can be used, for example orally, sublingually, buccally, generally via the oral mucosa, nasally, by inhalation, rectally, transdermally or in a narrower sense parenterally.
- Parenteral administration can be done bypassing a resorption step (eg intravenously, intraarterially, intracardially, intraspinally or intralumbarly) or with the involvement of a resorption (eg intramuscular, subcutaneous, intracutaneous, percutaneous or intraperitoneal).
- a resorption step eg intravenously, intraarterially, intracardially, intraspinally or intralumbarly
- a resorption step eg intramuscular, subcutaneous, intracutaneous, percutaneous or intraperitoneal.
- the application as an implant is possible.
- Preference is given to oral, intravenous and inhalative administration.
- Another object of the present invention are pharmaceutical compositions containing at least one of the compounds according to the invention, usually together with one or more inert, non-toxic, pharmaceutically suitable excipients.
- the compounds according to the invention rapidly and / or modified donating application forms containing the compounds according to the invention in crystalline and / or amorphous and / or dissolved form.
- These include coated or uncoated tablets, hard capsules of gelatin, HPMC, pullulan or other materials, soft gelatin capsules, chewable tablets, effervescent tablets, tablets for solution or suspension, orodispersible dosage forms such as tablets, films or lyophilisate platelets, powders, granules, pellets.
- Chewing gum, solutions, emulsions, suspensions and semi-solid oral dosage forms such as gels.
- controlled release formulations are also suitable.
- scaffold tablets include, for example, scaffold tablets, erosion matrix tablets, tablets or minitablets with a diffusion-controlling or enteric coating, capsules with pellets, granules or tablets with a diffusion-controlling or enteric coating, encapsulating with eroding pellets, granules or tablets and osmotically releasing tablets.
- Short half-life compounds are those whose half-life after application is less than 8 hours.
- a detailed description of controlled release formulations and their preparation is given in the section on delayed-release dosage forms for the controlled release of one of the compounds according to the invention and another therapeutic agent (see below).
- suitable application forms include, inter alia, hypophyseal and infusion preparations in the form of solutions, suspensions, emulsions, lyophilisates or sterile powders.
- suitable application forms include, inter alia, hypophyseal and infusion preparations in the form of solutions, suspensions, emulsions, lyophilisates or sterile powders.
- the needle-free injection of the compounds of the invention is possible.
- solutions or suspensions for use in nebulizer devices powder-filled capsules or powders for use in inhalers and metered-dose aerosols, for example pressurized gas packages with suspensions or solutions for inhalation, are suitable.
- tablets, films or capsules to be applied rectally to nasal drops, solutions or sprays, lingually, sublingually or buccally are suitable.
- the compounds used according to the invention can be converted into the stated forms of administration. This can be done in a conventional manner by mixing with inert, non-toxic, pharmaceutically suitable excipients.
- excipients for example microcrystalline cellulose, lactose, mannitol
- solvents eg liquid polyethylene glycols
- emulsifiers and dispersing or wetting agents for example sodium dodecylsulfate, polyoxysorbitanoleate
- binders for example polyvinylpyrrolidone
- synthetic and natural polymers for example albumin
- stabilizers eg antioxidant - Tien such as ascorbic acid
- dyes eg, inorganic pigments such as iron oxides
- one of the compounds mentioned and another therapeutic agent to a common oral dosage form are all the above-mentioned dosage forms.
- the combination partners in the drug form can be spatially separated.
- separate granules or pellets are filled into capsules or pressed two granules into a single-layer or two-layer tablet.
- a delayed, controlled release of said compounds of the invention, of the further therapeutic agent (s) or of all components may be particularly advantageous. This can lead to an improved pharmacological effect, reduce the occurrence of undesired side effects or contribute to a therapy simplification for the patient.
- the invention therefore also relates to formulations containing one of the abovementioned compounds according to the invention and one of the said further therapeutic agents and delivering both constituents or one of the two constituents in controlled form. In this case, both the compound according to the invention and the further therapeutic agent can only partially be released in a controlled manner, while the other portion is rapidly released.
- Combinations in which the compound according to the invention and / or the further therapeutic agent have a half-life of less than 8 hours and are present in controlled-release formulation are preferred.
- Very particular preference is given to combinations with controlled-release formulation of vardenafil, sildenafil, furosemide, piretanide, metoprolol, pindolol, propranolol, nifedipine, Nisoldipine, isradipine, felodipine, nilvadpipine, nitrendipine, quinidine bisulfate, disopyramide phosphate, isosorbide mononitrate and isosorbide dinitrate.
- Controlled-release formulations should be understood as meaning those which release the active substance with an average release rate of 80% in more than 45 minutes. Particularly preferred are drug formulations that deliver the drug controlled with an average release rate between 80% in 2 hours and 80% in 16 hours.
- USP "Apparatus 2" The United States Pharmacopeia
- 900 ml of phosphate buffer of pH 6.8 with the addition of 0.1% sodium lauryl sulfate are used as the test medium is 75 revolutions per minute
- Samples are drawn through an 8 ⁇ m filter and their active ingredient content is determined, and the amount of active substance determined in this way is converted into percent by weight of the amount of active ingredient used.
- two-sidedly retarded dosage forms are used. These represent a combination of a controlled-release formulation of one of the abovementioned compounds according to the invention, for example vardenafil with a controlled-release formulation of another therapeutic agent, for example metoprolol or furosemide.
- capsules containing two types of pellets, minitablets or tablets are suitable which release one of the abovementioned compounds according to the invention and those which release the further therapeutic agent in a controlled manner.
- Another option is slow-release tablets, which consist of at least two different active ingredient layers.
- osmotic-releasing tablets are also possible. These contain both combination partners in the active substance layer.
- an osmotically active, drug-free swelling layer is also possible.
- the resulting one- or two-layer tablet is coated with a water-insoluble, but permeable lacquer, for example of cellulose acetate, and provided on the active substance-containing side with at least one hole for drug release.
- one-time retarded dosage forms are used.
- retarded dosage forms are, for example, capsules containing the controlled release partner in the form of pellets, minitablets or tablets and the fast-releasing combination partners in the form of a powder, Compressed, tablet or pellet.
- slow-release tablets which consist of at least two different active ingredient layers.
- Another active ingredient layer of the tablet contains the uncontrollably released combination partner in the usual fast-release form.
- Another option is single-layer sustained-release tablets.
- osmotically releasing tablets are possible. These are, for example, constructed in three layers and contain a first layer with the uncontrollably release combination partner, a second layer with the combination partner to be released in a controlled manner and an osmotically active, active substance-free swelling layer.
- the resulting three-layer tablet is coated with a water-insoluble, but permeable lacquer, for example of cellulose acetate, and provided on the active substance-containing side with at least one hole for drug release.
- Diffusion-controlled pellets are particularly suitable for the formulation of controlled release preparations of the compound according to the invention or of another therapeutic agent for subsequent filling in a capsule.
- To prepare the diffusion-controlled pellets for example, neutral pellets of sucrose or microcrystalline cellulose are coated with a mixture of the active compound, customary binders, if necessary an acid and other customary auxiliaries, and then coated with a diffusion varnish which may contain a plasticizer.
- the binders used are preferably hydroxypropylmethylcellulose or polyvinylpyrrolidone.
- other natural, synthetic or semi-synthetic polymers such as methylcellulose, hydroxypropylcellulose, sodium carboxymethylcellulose, polyacrylic acids, polyvinyl alcohols or gelatin can be used.
- ethylcellulose particularly suitable as a diffusion coating is ethylcellulose, as it is commercially available, for example, as an aqueous dispersion under the name Aquacoat® or Surelease®.
- other materials such as poly (methacrylic acid) (ethyl acrylate) (1: 1) or other acrylates (Eudragit®), cellulose acetate or cellulose acetate butyrate may also be used.
- Suitable plasticizers are, for example, phthalic acid derivatives (for example dimethyl phthalate, diethyl phthalate, dibutyl phthalate), citric acid derivatives (eg triethyl citrate, tributyl citrate, acetyl triethyl citrate), other esters (eg diethyl sebacate, triacetin), fatty acids and derivatives (glycerol monostearate, acetylated fatty acid glycerides, castor oil and other native oils , Miglyol), polyols (glycerol, 1,2-propanediol, polyethylene glycol of different chain length).
- phthalic acid derivatives for example dimethyl phthalate, diethyl phthalate, dibutyl phthalate
- citric acid derivatives eg triethyl citrate, tributyl citrate, acetyl triethyl citrate
- other esters eg diethyl se
- the type and amount of the plasticizer are adjusted so that the above-defined inventive release and the required stability of the pellets are achieved.
- the adjustment of the above-defined release is further effected by controlling the pore size of the diffusion coating and / or its thickness.
- a pore former for controlling the Pore size may optionally be soluble polymers such as polyethylene glycols, polyvinylpyrolidones, hydroxypropylmethylcelluloses, carboxymethylcelluloses or their salts, methylcelluloses, dextrins, maltodextrins, cyclodextrins, dextrans or other soluble compounds such as salts (saline, potassium chloride, ammonium chloride, etc.), Urea, sugar (glucose, sucrose, fructose, lactose, etc.), sugar alcohols (mannitol, sorbitol, lactitol, etc.) can be used.
- G mass
- parts of the plasticizer used can evaporate during painting and tempering.
- a change in the coating amount of diffusion coating is required. For example, a higher coating level is required if the desired rate of release is reduced, the amount of pore former is increased, or in certain plasticizers the level of plasticizer is reduced. A lower coating amount is required if the desired rate of release is increased, the amount of pore former is reduced, or in certain plasticizers the level of plasticizer is increased.
- the diffusion pellets can be prepared, for example, by suspending or dissolving the active ingredient in water and thickening with a concentrated hydroxypropylmethylcellulose solution.
- the suspension or solution thus obtained is applied to neutral pellets in a fluidized-bed plant in a spraying process.
- This is followed by the coating of the pellets with a diffusion membrane, preferably in a fluidized-bed plant, by spraying, for example, an aqueous dispersion of ethylcellulose or organic ethylcellulose, which contains a suitable, physiologically compatible plasticizer.
- the pellets are then tempered at temperatures of 50 to 125 ° C, preferably 60 to 110 0 C.
- the thickness of the diffusion membrane, type of plasticizer, amount of plasticizer and pellet size are chosen so that a release rate of the drug of 80% in more than 45 minutes, preferably between 80% in 2 hours to 16 hours results.
- the amount of pellets corresponding to a daily dose is filled into a hard gelatin capsule.
- other methods of pellet production are feasible, such as moisture extrusion and rounding, rotor granulation, fluidized-bed agglomeration or thermal extrusion.
- minitablets with a diameter of 1 - 4 mm can be produced.
- the active ingredient-containing pellets or minitablets are coated with a diffusion membrane as described.
- tablets containing the active ingredient in a matrix of a water-swellable polymer are suitable. The size of these tablets is such that one or more tablets fit inside the capsule.
- the tablets may be filled in uncoated form into the capsule or previously coated with a varnish, for example a gastric juice-insoluble varnish.
- Tablets for subsequent filling in a capsule containing the active ingredient in a matrix of a water-swellable polymer are prepared as follows. These so-called matrix formulations suitably contain from 0.1 to 70 wt .-%, preferably 0.2 to 60 wt .-% of the active ingredient. The proportion of the matrix of the water-swellable polymer is suitably from 10 to 95% by weight, preferably from 20 to 60% by weight. Pharmaceutical preparations according to the invention in the form of erosion tablets are particularly preferred.
- These tablets are characterized in that they contain, in addition to customary auxiliaries and excipients and tabletting excipients, a certain amount of water-swellable hydrogel-forming polymers, these polymers having a viscosity of at least 15, preferably at least 50 cps (measured as 2% aqueous solution at 20 0 C).
- Typical excipients and carriers are, for example, lactose, microcrystalline cellulose, mannitol or calcium phosphates.
- Typical Tablettierzsstoff are for example magnesium stearate, talc or fumed silica (Aerosil®).
- magnesium stearate these are expediently present in an amount of from 0.5 to 3% by weight, in the case of fumed silica, appropriately in an amount of from 0.1 to 1% by weight.
- Preferred water-soluble hydrogel-forming polymers are hydroxypropylcelluloses, hydroxypropylmethylcelluloses (HPMC), methylcelluloses, carboxymethylcellulose, alginates, galactomannans, polyacrylic acids, polymethacrylic acids or copolymers of methacrylic acid and methyl methacrylate, guar, agar, pectin, tragacanth, gum arabic, xanthan Mixtures of these substances used. Particularly preferred is the use of HPMC.
- the erosion tablets according to the invention should preferably contain at least 10% by weight of a hydroxypropyl methylcellulose type, based on the mass of a tablet whose viscosity (measured as 2% strength aqueous solution at 20 ° C.) is at least 15, preferably at least 50 cps.
- the drug formulation comprising the active ingredient in a matrix of a water-swellable polymer is prepared by mixing the drug, the polymer and suitable excipients and carriers (as described above) and conventional tabletting aids (as described above) and tableting directly. Further, it is possible to granulate the active ingredient, the water-swellable polymer and suitable carriers in the fluidized bed.
- the amount and viscosity of the water-swellable polymer is selected so that tablets having the above-described average release rates of the compound of the invention or another Therapeutics result.
- the dry granules are sieved, mixed with a lubricant, such as magnesium stearate, and tableted. If necessary, the tablet is still painted.
- a lubricant such as magnesium stearate
- Erosionstabletten are preferred with a diameter of 3 mm to 7 mm.
- the non-retarding combination partner can be introduced as a powder, granules, pellets or tablets in the capsule.
- customary fast-release formulations are suitable.
- the combination partners are present in a bilayer tablet. This consists of two controlled release layers or a controlled and a rapidly releasing layer.
- each controlled release layer is based on the principles set forth above for the matrix formulation for subsequent filling into a capsule.
- the active compound is mixed with suitable auxiliaries and excipients (as described above) and customary tabletting aids (as described above) and directly tabletted.
- suitable auxiliaries and excipients as described above
- customary tabletting aids as described above
- the dry granules are sieved, mixed with a lubricant, such as magnesium stearate, and tableted.
- a lubricant such as magnesium stearate
- the combination partners are present in a single-layer tablet.
- Suitable controlled-release formulations for subsequent incorporation into a single-layer tablet are, in particular, the above-described diffusion-controlled pellets. These are mixed with the active ingredient to be combined in rapid release form and other auxiliaries, excipients and tableting excipients and pressed into a single-layer tablet. Granulation of the fast-release adjuvant and subsequent coating of the tablet are also possible.
- Another embodiment of the pharmaceutical formulation of the present invention is an osmotic drug delivery system.
- osmotic drug delivery systems are generally known in the art and are discussed in detail, for example, in Richard W. Baker, "Osmotic Drug Delivery: A Review of the Patent Literature ", Journal of Controlled Release 35 (1995) 1-21
- the drug formulation as an osmotic drug delivery system is preferably composed
- a core which contains the active substances, optionally a hydrophilic polymeric swelling agent and optionally a water-soluble substance for inducing osmosis, and
- hydrophilic polymeric swelling agents reference may be made, for example, to the polymeric swelling agents mentioned in EP-A-0 277 092 and WO 96/40080.
- ethylene oxide homopolymers polyethylene glycol
- Polyox having various degrees of polymerization, known for example by the name Polyox, having molecular weights of between 100,000 and 8,000,000
- vinylpyrrolidone-vinyl acetate copolymers and others in US Pat. No. 3,865,108, US Pat 002 173 and US Pat. No. 4,207,893.
- Water-soluble substances for the production of osmosis are, in principle, all water-soluble substances whose use in pharmaceutics is unobjectionable, for example, in the Pharmacopoeias or in Hager's Handbook of Pharmaceutical Practice, 1990-1995, Springer Verlag, and Remington's Pharmaceutical Sciences as water-soluble excipients are.
- Specific water-soluble substances are salts of inorganic or organic acids or non-ionic organic substances with high water solubility such as carbohydrates such as sugar etc.
- the preparation of an opening in the shell of the tablet is known per se in the prior art and for example in US Pat. Nos. 3,485,770 and 3,916,899.
- the release rate is adjusted by the nature and amount of the semipermeable material forming the shell, by the nature and amount of the optional hydrophilic polymeric swelling agent and any water-soluble substance which may be present for the production of osmosis.
- the combination partners of the present invention may be incorporated into an osmotic drug delivery system in a variety of ways. For controlled release of both active ingredients, these are mixed with the excipients and compressed to a common drug layer. If only one combination saver should be released in a controlled manner, this can either be introduced separately into the coating shell of the tablet or the uncontrolled release of active ingredient is pressed into a separate drug layer, which is pumped free of the drug release system before the controlled release partners.
- the dosage is about 0.01 to 100 mg / kg, preferably about 0.1 to 30 mg / kg and most preferably 0.1 to 10 mg / kg of body weight.
- the dosage can be done in any case einschleichend.
- the solution is sterile filtered, filled into infusion bottles to 50 ml, sealed with an infusion stopper, crimped and sterilized in the final container at 121 0 C for 15 minutes.
- the infusion is administered to patients with post-pulmonary hypertension slowly over 12 hours with an infusion pump.
- Example 4 10 kg micronized Tadalaf oil is mixed with 40 kg lactose monohydrate and filled into 25 mg capsules. The capsules are prepared and inhaled by patients with COPD in a powder inhaler.
- a two-layer tablet is prepared as follows: 20.85 kg of telmisartan sodium salt and 174.15 kg of spray-dried mannitol are mixed, sieved and mixed again after addition of 5 kg of magnesium stearate. The mixture is used for layer A of the bilayer tablet. 10 kg of micronised vardenafil, 64.6 kg of spray-dried mannitol and 100 kg of microcrystalline cellulose are mixed, sieved and mixed again after the addition of 5.4 kg of magnesium stearate. The mixture is used for layer B of the bilayer tablet.
- Both mixtures are compressed using a two-layer tablet press into round two-layer tablets of 11 mm diameter consisting of 200 mg of layer A (corresponding to 20 mg of telmisartan) and 180 mg of layer B (corresponding to 10 mg of vardenafil).
- the two-layer tablets are filled into HDPE bottles and provided with a package leaflet that identifies the use of the bilayer tablet for the treatment of pulmonary hypertension, COPD and bronchial asthma.
- a two-layer tablet is prepared as follows: 32 kg of propranolol hydrochloride, 40.8 kg of microcrystalline cellulose and 40 kg of lactose monohydrate are mixed, sieved, granulated dry over a roller and, after addition of 0.8 kg fumed silica, 4.8 kg Talc and 1.6 kg of magnesium stearate mixed again. The mixture is used for layer A of the bilayer tablet.
- the PDE or PDE 5-inhibiting activity of the compounds used according to the invention can be determined as follows: PDE 5 inhibition test
- the "phosphodiesterase [ 3 H] cGMP-SPA enzyme assay" from Amersham Life Science is used. The test is carried out according to the test protocol specified by the manufacturer. Human recombinant PDE 5 expressed in a bacculovirus system is used. The substance concentration is measured at which the reaction rate is reduced by 50%.
- Exemplary embodiments 1 and 2 show IC 50 values of 0.6 and 0.7 nM in this test.
- PDE8A GenBank / EMBL Accession Number: AF_056490, Fisher et al., Biochem Biophys Res. Commun. 1998, 246, 570-577
- PDE9A Fisher et al. Biol. Chem. 1998, 273 (25), 15559-15564
- PDE10A GenBank / EMBL Accession Number: NM_06661, Fujishige et al., J. Biol. Chem.
- PDEI IA GeneBank EMBL Accession Number: NM_016953, Fawcett et al., Proc Natl Acad., 2000, 97, 3702-3707
- pFASTBAC baculovirus expression system GibcoBRL
- test substances are dissolved in 100% DMSO and serially diluted to determine their in vitro effect on PDE9A.
- serial dilutions 200 ⁇ M to 1.6 ⁇ M are prepared (resulting final concentrations in the assay: 4 ⁇ M to 0.032 ⁇ M).
- 2 ⁇ L each of the diluted substance solutions are placed in the wells of microtiter plates (Isoplate, Wallac Inc., Atlanta, GA). Subsequently, 50 ⁇ L of a dilution of the PDE9A preparation described above is added.
- the dilution of the PDE9A preparation is chosen such that during the later incubation less than 70% of the substrate is reacted (typical dilution: 1: 10,000; dilution buffer: 50 mM Tris / HCl pH 7.5, 8.3 mM MgCl 2 , 1.7 mM EDTA, 0.2% BSA).
- the substrate, [8- 3 H] guanosine 3 ', 5'-cyclic phosphate (1 ⁇ Ci / ⁇ L; Amersham Pharmacia Biotech., Piscataway, NJ) is assayed 1: 2000 with assay buffer (50 mM Tris / HCl pH 7.5, 8.3 mM MgCl 2 , 1.7 mM EDTA) to a concentration of 0.0005 ⁇ Ci / ⁇ L.
- assay buffer 50 mM Tris / HCl pH 7.5, 8.3 mM MgCl 2 , 1.7 mM EDTA
- test mixtures are incubated for 60 min at room temperature and the reaction is stopped by adding 25 ⁇ l of a PDE9A inhibitor dissolved in assay buffer (eg compound from example 1 in WO 2004/026286, 10 ⁇ M final concentration). Immediately thereafter, 15 ⁇ L of a suspension containing 18 mg / mL of Yttrium Scintillation Proximity Beads (Amersham Pharmacia Biotech., Piscataway, NJ) is added. The microtiter plates are sealed with a foil and left for 60 min at room temperature. The plates are then measured for 30 seconds per well in a Microbeta scintillation counter (Wallac Inc., Atlanta, GA). IC 50 values are determined by plotting the concentration of the substance against the percent inhibition.
- assay buffer eg compound from example 1 in WO 2004/026286, 10 ⁇ M final concentration.
- the in vitro effect of test substances on recombinant PDE3B, PDE4B, PDE7B, PDE8A, PDE10A and PDEI IA is determined according to the test protocol described above for PDE9A with the following adaptations:
- the substrate is [5 ', 8- 3 H] adenosine 3', 5'-cyclic phosphates (1 ⁇ Ci / ⁇ L; Amersham Pharmacia Biotech., Piscataway, NJ).
- the addition of an inhibitor solution to stop the reaction is not necessary. Instead, following the incubation of substrate and PDE, the addition of the Yttrium Scintillation Proximity Beads is continued as described above, thereby stopping the reaction.
- the protocol is for determining a corresponding effect on recombinant PDElC, PDE2A and PDE5A additionally adjusted as follows:
- PDElC calmodulin are added 10 "7 M and CaCl 2 3 mM to the reaction mixture in addition
- PDE2A is stimulated 1 uM in the assay by the addition of cGMP. and tested with a BSA concentration of 0.01% for PDElC and PDE2A as a substrate [5 ', 8- 3 H] adenosine 3', 5'-phosphate cycIic (1 uCi / ul;..
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005016345A DE102005016345A1 (de) | 2005-04-09 | 2005-04-09 | Neue Verwendung von 2-Phenyl-substituierten Imidazotriazinon-Derivaten |
| PCT/EP2006/002774 WO2006108506A1 (de) | 2005-04-09 | 2006-03-27 | Verwendungen von 2-phenyl-substituierten imidazotriazinon-derivaten zur behandlung von pulmonaler hypertonie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1871378A1 true EP1871378A1 (de) | 2008-01-02 |
Family
ID=36390206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06723751A Withdrawn EP1871378A1 (de) | 2005-04-09 | 2006-03-27 | Verwendungen von 2-phenyl-substituierten imidazotriazinon-derivaten zur behandlung von pulmonaler hypertonie |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20090221570A1 (de) |
| EP (1) | EP1871378A1 (de) |
| JP (1) | JP2008534634A (de) |
| CA (1) | CA2603935A1 (de) |
| DE (1) | DE102005016345A1 (de) |
| WO (1) | WO2006108506A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806314B2 (en) | 2013-12-09 | 2023-11-07 | Respira Therapeutics, Inc. | PDE5 inhibitor powder formulations and methods relating thereto |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009013286A1 (en) * | 2007-07-24 | 2009-01-29 | Novartis Ag | Organic compounds |
| GB0822171D0 (en) * | 2008-12-04 | 2009-01-14 | Arrow Int Ltd | Temisartan formulations |
| CN102770133A (zh) * | 2010-02-05 | 2012-11-07 | 拜耳知识产权有限责任公司 | 用于治疗囊性纤维化的单独和与PDE5抑制剂组合的sGC刺激剂或sGC激活剂 |
| HRP20150987T1 (hr) | 2010-05-26 | 2015-10-23 | Adverio Pharma Gmbh | UPORABA sGC STIMULATORA, sGC AKTIVATORA, SAMOSTALNO I U KOMBINACIJAMA S INHIBITORIMA PDE5 ZA LIJEÄŚENJE SISTEMSKE SKLEROZE (SSc) |
| BR112013019335B1 (pt) | 2011-02-07 | 2022-05-31 | Scipharm Sàrl | Nova composição, método para aumentar o nível de camp em um célula e combinação terapêutica, para o tratamento da fibrose cística |
| EP3024455A1 (de) | 2013-07-25 | 2016-06-01 | Bayer Pharma Aktiengesellschaft | Sgc-stimulatoren oder sgc-aktivatoren und pde5-inhibitoren in kombination mit einer zusatzbehandlung zur behandlung von zystischer fibrose |
| US12599554B2 (en) | 2020-07-29 | 2026-04-14 | Kydes Pharmaceuticals Llc | Pharmaceutical formulations comprising tadalafil |
| CN113461694A (zh) * | 2021-08-05 | 2021-10-01 | 广东西捷药业有限公司 | 一种伐地那非类似物及其合成方法和应用 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2395558C (en) * | 1997-11-12 | 2007-07-17 | Bayer Aktiengesellschaft | Intermediates for 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors |
| TWI224966B (en) * | 1999-11-02 | 2004-12-11 | Pfizer | Pharmaceutical composition (I) useful for treating or preventing pulmonary hypertension in a patient |
| US20050107394A1 (en) * | 2001-12-17 | 2005-05-19 | Ardeschir Ghofrani | Novel use of selective pde5 inhibitors |
| CA2525946C (en) * | 2003-05-22 | 2013-01-29 | Altana Pharma Ag | Composition comprising a pde4 inhibitor and a pde5 inhibitor |
| US20060205733A1 (en) * | 2004-08-26 | 2006-09-14 | Encysive Pharmaceuticals | Endothelin a receptor antagonists in combination with phosphodiesterase 5 inhibitors and uses thereof |
-
2005
- 2005-04-09 DE DE102005016345A patent/DE102005016345A1/de not_active Withdrawn
-
2006
- 2006-03-27 WO PCT/EP2006/002774 patent/WO2006108506A1/de not_active Ceased
- 2006-03-27 JP JP2008504656A patent/JP2008534634A/ja not_active Withdrawn
- 2006-03-27 EP EP06723751A patent/EP1871378A1/de not_active Withdrawn
- 2006-03-27 US US11/918,312 patent/US20090221570A1/en not_active Abandoned
- 2006-03-27 CA CA002603935A patent/CA2603935A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006108506A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806314B2 (en) | 2013-12-09 | 2023-11-07 | Respira Therapeutics, Inc. | PDE5 inhibitor powder formulations and methods relating thereto |
| US12364701B2 (en) | 2013-12-09 | 2025-07-22 | Respira Therapeutics, Inc. | PDE5 inhibitor powder formulations and methods relating thereto |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006108506A1 (de) | 2006-10-19 |
| DE102005016345A1 (de) | 2006-10-12 |
| CA2603935A1 (en) | 2006-10-19 |
| US20090221570A1 (en) | 2009-09-03 |
| JP2008534634A (ja) | 2008-08-28 |
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