WO2005121112A1 - 6-ヒドロキシベンズブロマロン又はその塩からなる医薬組成物 - Google Patents
6-ヒドロキシベンズブロマロン又はその塩からなる医薬組成物 Download PDFInfo
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- WO2005121112A1 WO2005121112A1 PCT/JP2005/010671 JP2005010671W WO2005121112A1 WO 2005121112 A1 WO2005121112 A1 WO 2005121112A1 JP 2005010671 W JP2005010671 W JP 2005010671W WO 2005121112 A1 WO2005121112 A1 WO 2005121112A1
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- Prior art keywords
- uric acid
- pharmaceutical composition
- hyperuricemia
- hydroxybenzbromalone
- benzbromarone
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/80—Radicals substituted by oxygen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/06—Antigout agents, e.g. antihyperuricemic or uricosuric agents
-
- 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
Definitions
- composition comprising 6-hydroxybenzbromarone or a salt thereof
- the present invention relates to a pharmaceutical composition
- a pharmaceutical composition comprising 6-hydroxybenzbromarone or a salt thereof and a pharmaceutically acceptable carrier, more specifically, 6-hydroxybenzbromarone or a salt thereof, and a pharmaceutical composition.
- a pharmaceutical composition for treating or preventing hyperuricemia or a disease caused by hyperuricemia which comprises an acceptable carrier, and 6-hydroxybenzbromalone or a salt thereof.
- the present invention relates to a uric acid excretion promoter, a xanthine oxidase inhibitor, and an inhibitor of uric acid uptake in the kidney.
- the present invention provides bromination of 2-ethyl-6-hydroxy-13- (p-hydroxy-1-benzoyl) -benzofuran (these hydroxyl groups may be protected if necessary) with a brominating agent,
- the present invention relates to a method for producing 6-hydroxy-benzbromalone, which comprises deprotecting a hydroxyl-protecting group.
- Gout is a serious illness with various symptoms such as arthritis (gout attack), gout nodules, and urolithiasis. Gout is closely related to lifestyle and was a rare disease in Japan before 1960, but it increased with the rapid economic growth, and it is said that there are more than 600,000 patients at present. In addition, the age of onset of gout used to be in the 50s, but has now peaked in the 30s, and the onset age is also becoming younger. In addition, hyperuricemia, the underlying gout of gout, is increasing. It has also been reported that higher serum uric acid levels increase the risk of ischemic heart disease, not just the risk of gout.
- uric acid production-promoting type There are two types of hyperuricemia: uric acid production-promoting type and uric acid excretion-suppressing type.
- the ratio of uric acid production-promoting type to uric acid production-promoting type is about 20%, It is said that the restraint type is about 60%, and the mixed type is about 20%.
- the use of xanthine oxidase inhibitor aloprinol for the former and the use of a uric acid excretion enhancer venezbromarone for the latter are recommended.
- uric acid excretion promoter various chemical modifications of the side chain portion of the benzbromarone leaving the benzofuran skeleton have been reported (see Patent Documents 1 to 4). Further, as a uric acid excretion promoter, a compound having a non-peptide angiotensin II receptor antagonistic action is used (see Patent Document 5), a dihydropyridine derivative is used (see Patent Document 6), and a hydantoin derivative is used. There are reports of those using a compound (see Patent Document 7), those using a biaryl conjugate or a diaryl ether conjugate (see Patent Document 8), and the like.
- a xanthine oxidase inhibitor for suppressing uric acid production those using a pyrazo-opened triazine derivative (see Patent Document 9) and those using a 3-phenylubirazolide conjugate (see Patent Document 10) ), 1-Fenirubirazolui ligated product (see Patent Document 11), perennial plant of the family Rosaceae, Cynonatsukiso (generic name: Simockeso, Filipe ndula ulmaria), and quercetin 4 ′ isolated therefrom Glycosides and Quercetin 3—Using Glycosides (see Patent Documents 12 and 13), 2 Using Phenylglutazole Derivatives (see Patent Document 14), Dokoju, Sekikoju, Naginatakoju, Lemon Balm, Rosemary, Spearmint, peppermint, winter savory, betel and fuku mangika were also selected plants and Z or extraction of said plants. Those using objects (Patent Document 1. 5), etc.
- a therapeutic agent for a new type of hyperuricemia one using an insulin resistance improving substance such as a thiazolidinedione conjugate (see Patent Document 16), monoenoic acid having 20 carbon atoms and Z or a derivative thereof, and It relates to a prophylactic / therapeutic agent for hyperuric acid disease containing monoenoic acid having 22 carbon atoms and Z or a derivative thereof as an active ingredient (see Patent Document 17), and to a uric acid level-lowering agent containing Ginkgo biloba extract as an active ingredient (Patent Reference 18), and a composition for treating or preventing hyperuricemia containing a chondroitin sulfate protein complex as an active ingredient (see Patent Document 19).
- an insulin resistance improving substance such as a thiazolidinedione conjugate
- monoenoic acid having 20 carbon atoms and Z or a derivative thereof monoenoic acid having 20 carbon atoms and Z or a derivative thereof
- Patent Document 17 a prophylactic / therapeutic agent for
- new and novel xanthine oxidase inhibitors are Of uric acid exclusion enhancers have not been developed globally, and new uric acid exclusion enhancers with few side effects have been developed to improve the quality of life of hyperuricemia patients. There is a demand for the development of a novel uric acid excretion promoter.
- Non-Patent Document 1 A benzofuran derivative, which has been widely used for many years due to its strong uric acid excretion promoting action.
- benzbromalone was debrominated in the liver and metabolized by bromine to remove bromobenzalone or bromine. Both were thought to be metabolized to benzolone.
- Non-Patent Documents 2 to 6 subsequent studies have reported that the metabolites of Benzbroman's mouth are not debrominated but are mainly hydroxylated at the 1'-position or 6-position of the benzofuran ring.
- Non-Patent Documents 2 to 6 it has been suggested that the sustained action of benzbromine's uric acid excretion may be related to metabolites in the blood! (See Non-Patent Document 5).
- Patent Document 2 JP-A-01-216984
- Patent Document 3 JP-A-03-261778
- Patent Document 4 JP-A-06-184132
- Patent Document 5 JP-A-05-25043
- Patent Document 6 JP 05-279255 A
- Patent Document 7 WO 97Z02033
- Patent Document 8 JP 2000--1431
- Patent Document 9 JP-A-06-316578
- Patent Document 10 JP-A-10-310578
- Patent document l l WO 98Z18765
- Patent Document 12 JP-A-2002-121145
- Patent Document 13 JP-A-2003-171283
- Patent Document 14 JP-A-2002-105067
- Patent Document 15 JP-A-2003-252776
- Patent Document 16 JP-A-11 255669
- Patent Document 17 JP 2001-278786A
- Patent Document 18 JP-A-2002-212085
- Patent Document 19 JP-A-2003-335698
- Non-patent document l Broekhuysen, J., et al., Eur. J. Clin. Pharmacol., 4, 125-130 (1972)
- Non-patent document 2 Walter- Sack, I., et al., Eur. J Clin. Pharmacol., 39, 577-581 (1990)
- Non-patent document 3 De Vries, J. X "et al” Clin. Investig "71, 947-952 (1993)
- Non-patent document 4 De Vries, J X "et al., Xenobiotica, 23, 1435-1450 (1993)
- Non-Patent Document 5 Walter- Sack, I., et al., Eur. J. Med. Res., 1, 16-20 (1995)
- Non-Patent Document 6 Walter-Sack, 1, et al., Eur. J. Med. Res., 3, 45-49 (1998) Disclosure of the Invention
- the present invention is intended to reduce uric acid excretion and enhance the effect without causing severe liver damage. It is intended to provide an agent for treating or preventing hyperuricemia with high overallity, more specifically, an agent for promoting uric acid excretion.
- benzbromarone undergoes two stages of metabolism in the liver, iridescence and conjugation.
- the first layer of metabolism is an acid-induced reaction by the drug metabolizing enzyme P450, whereby benzbromalone is mainly converted to 6-hydroxybenzbromalone.
- the second layer of metabolism is a conjugation reaction by a conjugating enzyme, and 6-hydroxybenzbromalone forms a conjugate by this reaction and is excreted in bile or urine. It was speculated that the side effect of benzbromarone was due to the production of an unknown toxic metabolite in this first-layer reaction.
- 6-hydroxybenzbromarone which is a metabolite of the first layer of benzbromarone. If this substance has a uric acid excretion promoting activity, the production of unknown toxic metabolites in the reaction of the first layer of benzbromarone can be suppressed, and highly safe uric acid excretion with less side effects Considering that it would be possible to develop an accelerator, the physiological activity of 6-hydroxybenzbromalone was examined, and it was found that 6-hydroxybenzbromalone had a strong inhibitory effect on uric acid uptake in the kidney, which had not been noted before. Have been found, and have the same xanthine oxidase inhibitory activity as oxypurinol, a metabolite of aloprinol, leading to the present invention.
- the present invention relates to a pharmaceutical composition
- a pharmaceutical composition comprising 6-hydroxybenzbromarone or a salt thereof, and a pharmaceutically acceptable carrier, more specifically, hyperuricemia or hyperuricemia.
- the present invention relates to a pharmaceutical composition which is an agent for treating and preventing diseases.
- the present invention relates to a uric acid excretion promoting agent comprising 6-hydroxybenzbromarone or a salt thereof.
- the present invention also relates to a xanthine oxidase inhibitor comprising 6-hydroxybenzbromarone or a salt thereof.
- the present invention relates to an agent for suppressing uptake of uric acid in the kidney, which comprises 6-hydroxybenzylbromalone or a salt thereof.
- the present invention relates to the use of 6-hydroxybenzbromalone or a salt thereof for the manufacture of a pharmaceutical composition for treating or preventing hyperuricemia or a disease caused by hyperuricemia.
- the present invention also provides a patient with hyperuricemia or a disease caused by hyperuricemia, an effective amount of
- the present invention relates to a method for treating or preventing hyperuricemia or a disease caused by hyperuricemia, comprising administering a pharmaceutical composition comprising 6-hydroxybenzbromarone or a salt thereof, and a pharmaceutically acceptable carrier. .
- the present invention relates to a method for brominating 2-ethyl-6-hydroxy-13- (p-hydroxy-1-benzoyl) -benzofuran (these hydroxyl groups may be protected if necessary) with a brominating agent
- the present invention relates to a method for producing 6-hydroxy monobenzbromalone, comprising deprotecting a protecting group.
- the 6-hydroxybenzbromalone of the present invention has the following formula:
- [0014] is 2-ethyl-6-hydroxy-3- (3,5,1-dibutene 4,4-hydroxybenzoyl) -benzofuran.
- a pharmaceutically acceptable salt is preferred, and examples thereof include a sodium salt and a potassium salt.
- the 6-hydroxybenzbromalone of the present invention can be chemically synthesized by various methods. For example, 2-ethyl-6-hydroxy-3- (p-hydroxy-benzoyl) -benzofuran, where the hydroxyl group is protected if necessary. Can be produced by brominating the compound with a bromiding agent such as N-bromosuccinimide and then removing the protecting group for the hydroxyl group.
- a bromiding agent such as N-bromosuccinimide
- protecting group for the hydroxyl group various known protecting groups in peptide chemistry can be used.
- a method of etherification with a lower alkyl such as a methyl group, an ethyl group, a t-butyl group, a methyl carboxyl group, an ethyl carboxyl group
- a method of esterification with a lower acyl group such as a benzyl group or a t-butylcarbonyl group.
- the starting material 2-ethyl-6-hydroxy-13- (p-hydroxybenzoyl) benzofuran, whose hydroxyl group is protected if necessary, is a reactive derivative such as 2-ethyl-6-hydroxybenzofuran and an acid halide of p-hydroxybenzoic acid.
- 2-ethyl-6-hydroxy-benzofuran which is a raw material, can be produced by reducing the carboxyl group of 2-acetyl-6-hydroxy-1-benzofuran, whose hydroxyl group is protected if necessary.
- 6-hydroxybenzbromalone of the present invention for example, 2-acetyl-6-methoxy-benzofuran is reduced with hydrazine to give 2-ethyl-6-methoxybenzofuran, —Reaction of methoxybenzoic acid acid chloride in the presence of tin tetrachloride to give 2-ethyl-6-methoxy-3- (p-methoxy-benzoyl) —benzofuran, and then the presence of ethanethiol sodium salt Under the following conditions, the methoxy group of the benzoyl group is selectively deprotected to give 2-ethyl-6-methoxy-13- (p-hydroxy-1-benzoyl) -benzofuran, which is treated with sodium N-bromosuccinimide in the presence of dimethylsulfide.
- the 6-hydroxybenzbromarone or a salt thereof of the present invention can be used as a pharmaceutical composition together with various usual pharmaceutically acceptable carriers.
- Pharmaceutically acceptable carriers include excipients, binders, disintegrants, lubricants, diluents and the like usually used for formulation.
- the pharmaceutical composition of the present invention can be selected from various administration forms depending on the purpose of treatment, and can be administered, for example, by oral administration, transmucosal administration, parenteral administration and the like. According to these administration forms, they can be formulated into tablets, granules, capsules, powders, solutions, suspensions, emulsions, suppositories, injections (solutions, suspensions, etc.).
- carriers include, for example, lactose, sucrose, sodium chloride, glucose, urea, starch, calcium carbonate, kaolin, crystalline cellulose, and caffeic acid.
- Agents glucose solution, starch solution, gelatin solution, carboxymethylcellulose, shellac, methylcellulose, potassium phosphate, polybutylpyrrolidone, etc., starch, sodium alginate, agar, sodium bicarbonate, calcium carbonate, lactose, etc.
- Disintegrant Lubricants such as purified talc, stearates, boric acid powder, polyethylene glycol and the like can be mentioned.
- These carriers can be formulated into various dosage forms by known methods.
- the amount of 6-hydroxybenzbromalone or a salt thereof contained in the pharmaceutical composition of the present invention can be selected from a wide range. be able to.
- the dose of the pharmaceutical composition of the present invention can be appropriately selected depending on the patient's age, sex, symptoms, degree of disease, and the like.
- the 6-hydroxybenzbromalone or a salt thereof of the present invention has a uric acid excretion promoting action and a xanthinoxidase inhibitory action, and is used for treatment or prevention of hyperuricemia or a disease caused by hyperuricemia. It is effective for Diseases caused by hyperuricemia include gout, uric acid (salt) crystal deposition, arthritis (gout attack), urolithiasis, and ischemic heart disease. It also includes treatment and prevention of various complications such as obesity, hypertension, and hyperlipidemia associated with these diseases.
- the uric acid excretion promoter, xanthine oxidase inhibitor, and uric acid uptake inhibitor in the kidney of the present invention are preferably used as pharmaceutical compositions, respectively, but are not limited thereto. It also includes the use as a reagent used in the test of food and the use as a food additive added to food.
- the renal uric acid uptake inhibitor of the present invention is a uric acid-specific transporter, URAT1 (Atsushi, E., et al., Nature, 417 (), which is involved in uric acid uptake in the kidney. 6887), 447-452 (2002)).
- 6-hydroxybenzbromalone or a salt thereof of the present invention will be described.
- the present inventors have used 6-hydroxybenzbromalone and conventionally used as a therapeutic agent for hyperuricemia.
- URAT1 a uric acid-specific transporter involved in the uptake of uric acid in the kidney by benzbromarone (Atsushi, E., et al., Nature, 417 (68) 87), 447-452 (2002)).
- URAT1 cDNA was introduced into MDCK cells, and stable expression cells (MDCK-URAT1) were created. Using these cells, a solution containing various concentrations of 6-hydroxybenzbromalone or vanesbromalone is added to a Dulbecco-modified PBS solution containing 100 / zM [ 14 C] uric acid, and then the mixture is subjected to liquid scintillation counting. The dpm of [ 14 C] uric acid incorporated into the cells was counted. Each experiment was performed three times, and the IC value was analyzed by profit.
- FIGS. 1 and 2 The results for 6-hydroxybenzbromalone and venzbromalone are shown graphically in FIGS. 1 and 2, respectively.
- the ordinates in FIGS. 1 and 2 show the amount of uptake of uric acid (pmolZmg protein Z content), and the abscissas show the respective concentrations ( ⁇ ).
- the value of IC in Fig. 1 is 0.
- the 6-hydroxybenzbromalone of the present invention had an activity of inhibiting xanthinoxidase of about 1Z5 of oxypurinol.
- the results for plasma are shown in Figure 3, and the results for 6-hydroxybenzbromarone in urine are shown in Figure 4.
- the vertical axis in FIG. 3 shows the concentration (ngZmL) in plasma, and the horizontal axis shows time (hour).
- the dotted line (X) in Fig. 3 indicates the case of 6-hydroxybenzbromalone, and the open triangle mark ( ⁇ ) indicates the case of ventsbromalone.
- the vertical axis in FIG. 4 indicates the concentration in urine (ng / mL), and the horizontal axis indicates time (hour).
- the concentration of benzbromarone in the plasma increased rapidly after administration, gradually decreased, and disappeared 48 hours after administration.
- 6-hydroxybenzbromalone was present in the plasma for a longer time, and an average of about IIngZmL was detected 72 hours after administration, and the AUC was more than twice as high as that of benzbromalone. Almost no vent bromine was detected in the urine, whereas an average of about 170 ng ZmL was observed at 72 hours after administration of 6-hydroxybenzbromalone.
- 6-hydroxybenzbromalone inhibits xanthine oxidase, indicating that 6-hydroxybenzbromalone is also effective against uric acid production-promoting disease states.
- the 6-hydroxybenzbromarone or a salt thereof of the present invention has a strong uric acid excretion promoting action as well as a xanthine oxidase inhibitory action, and thus is hyperuricemia and hyperuricemia.
- 6-Hydroxybenzbromarone or a salt thereof which is not only useful as an active ingredient for the treatment or prevention of diseases caused by urea, is less susceptible to metabolism in the liver and is unlike conventional uric acid excretion enhancers. It is extremely safe because it can maintain high blood levels for a long time without serious side effects such as severe liver damage, and has low toxicity and a large safety factor.
- the pharmaceutical composition of the present invention is a highly safe therapeutic or prophylactic agent for hyperuricemia, which has a strong uric acid excretion promoting action and does not cause severe liver damage. To provide.
- FIG. 1 is a graph showing the experimental results of the inhibitory action of 6-hydroxybenzpromalone of the present invention on the uptake of uric acid by URAT1.
- Fig. 2 is a graph showing the experimental results of the inhibitory action of benzbromarone on the uptake of uric acid by URAT1.
- Figure 3 shows the concentrations (ngZmL) of plasma 6-hydroxybenzbromalone (dotted line X) and benzbromalone ( ⁇ ) in the results of clinical pharmacokinetic studies of benzbromarone in healthy men.
- FIG. 1 shows the concentrations (ngZmL) of plasma 6-hydroxybenzbromalone (dotted line X) and benzbromalone ( ⁇ ) in the results of clinical pharmacokinetic studies of benzbromarone in healthy men.
- Fig. 4 is a graph showing the concentration (ngZmL) of 6-hydroxybenzbromalone in urine in the results of a clinical pharmacokinetic test of benzbromarone in healthy men.
- FIG. 5 is a chart of 1 H-NMR (300 MHz, chloroform) of 6-hydroxybenzbromalone of the present invention.
- FIG. 6 is in S2 cells, human OAT4 (human organic ⁇ - one transporter 4) Ru good, the substrate 3 H sulfate estrone (estrone sulfate in the presence of benzbromarone and 6-hydroxy benzbromarone Fig. 9 shows the results of measuring the uptake inhibitory effect of)).
- FIG. 7 is in S2 cells, human OAT3 (human organic ⁇ - one transporter 3) Ru good, the substrate 3 H sulfate estrone (estrone sulfate in the presence of benzbromarone and 6-hydroxy benzbromarone
- Fig. 9 shows the results of measuring the uptake inhibitory effect of)).
- FIG. 8 shows that 6-hydroxyl in human OAT3 (human organic-on transporter 3)
- FIG. 9 shows the results of analyzing the constant (Ki value) of the inhibitory action of benzbromarone on the uptake of substrate 3 H estrone sulfate.
- a stable expression cell (MDCK-URAT1) and a mock cell were produced by introducing a URAT1 cDNA into a mammalian expression vector pcDNA3.1 into MDCK cells, or transfecting pcDNA3.1 into a gene.
- This MDCK-URAT1 was cultured in a minimal essential medium containing 5% fetal calf serum and 400 ⁇ g / mL gene ticin, and 10 5 cells were cultured per well in a 24-well dish. It was inoculated and cultured for 2 days. Thereafter, the plate was washed with a Dulbecco-modified PBS (Dulbecco-modified PBS) solution, and then precipitated in a Dulbecco-modified PBS solution for 10 minutes.
- Dulbecco-modified PBS Dulbecco-modified PBS
- the 100 M [M C] mosquito a solution containing 6-hydroxy benzbromarone or base Nzuburomaron various concentrations Dulbecco's Modified PBS solution containing uric acid ⁇ Ete and incubated for 2 min at 37 ° C. Thereafter, the cells were washed three times with Dulbecco's modified PBS solution, and then the cells were collected with 0.1N NaOH. Then, the scintillation cocktail was caloried, and the dpm of [ 14 C] uric acid incorporated into the cells was counted by a liquid scintillation counter. IC values were analyzed by profit.
- nsbromarone 0.0345 ⁇ 0.003.
- the activity of xanthine oxidase derived from persimmon was increased by using a 0.15M phosphate buffer diluted with half the volume of water using a 100% xanthine substrate as a 1 / 15M phosphate buffer ( ⁇ 7.4).
- a 0.15M phosphate buffer diluted with half the volume of water using a 100% xanthine substrate as a 1 / 15M phosphate buffer ( ⁇ 7.4).
- a system that measures the absorbance of 6-hydroxybenzbromalone or oxypurinol at 0.0 M, 0.1 M, and 0.3 M, respectively.
- the inhibitory activities at concentrations of M, 1.0 M, 3.0 M, 10.0 M, 30.0 M, 100 ⁇ M, and 300 ⁇ M were measured, and the IC was analyzed.
- the IC value of the product was 13.
- Urinome 2 tablets registered trademark
- benzbromarone 100 mg as benzbromalone
- 180 mL of water on an empty stomach was performed for 6 healthy males aged 20 to 27 years, and thereafter, up to 72 hours later. Blood was collected and urine collected over time.
- benzbromarone, 6-hydroxybenzbromalone, bromobenzalone and benzalone were measured using LCZ MS / MS.
- CYP2C9 * 3 there was no gene mutation in CYP2C9 involved in benzbromarone metabolism.
- 6-hydroxybenzbromarone similarly to benzbromarone, had its gastrointestinal tract well absorbed by blood when administered orally. Therefore, after oral administration, 6-hydroxybenzbromalone is absorbed into the blood, excreted in the urine, inhibits URAT1 present in the luminal membrane of proximal tubular epithelial cells, and regenerates uric acid. It is thought to inhibit absorption.
- OAT4 organo-on transporter
- OAT4 organic-on transporter
- OAT4 organic-on transporter
- Esterone esterone sulfate
- S2 cells expressing OAT4 the inhibitory effect of benzbromarone and 6-hydroxybenzbromalone on the uptake of estrone sulfate by estrone sulfate by OAT4 was examined.
- Benzbromarone and 6-hydroxy benzbromarone respectively 0. 01 ⁇ mol / L, 0. 1 ⁇ mol / L, 1 ⁇ mol / L, and 30 mu 3 .eta.
- 6-hydroxybenzbromalone inhibited the uptake of 3 H-estrone sulfate in OAT4 in a dose-related manner, and its IC was 3.2 ⁇ mol / L.
- 6-hydroxybenzbromalone Since 6-hydroxybenzbromalone has an inhibitory effect on the uptake of substrates in OAT4, 6-hydroxybenzbromalone inhibits reabsorption of uric acid by OAT4, It is thought that it promotes excretion.
- OAT3 organic anion transporter
- OAT3 organic anion transporter
- Esterone estrone sulfate
- S2 cells expressing OAT3. did. Benzbromarone and 6-hydroxy-benz Bro Ma port down force respectively 0. 01 ⁇ mol / L, 0.
- 6-hydroxybenzbromalone inhibited the uptake of 3 H-estrone sulfate by OAT3 in a dose-related manner, with an IC value of 0.3 molZL.
- 6-hydroxybenzbromarone has an inhibitory effect on substrate uptake in OAT3.
- Fig. 8 shows the results.
- the horizontal axis in Fig. 8 is lZS (LZmmol)
- the vertical axis is lZV (mg protein ⁇ ⁇ min)
- the black square (country) is for 6-hydroxybenzbromalone (0.3 / zM).
- a white square mark (mouth) indicates a control.
- the inhibition mode was a mixed type of competitive inhibition and non-competitive inhibition.
- the Ki values were 1. O / zM (competitive inhibition) and 0.7 / zM (non-competitive inhibition).
- the present invention provides a highly safe therapeutic or preventive agent for hyperuricemia, which has a strong uric acid excretion promoting action and does not cause severe liver damage, and more specifically, a uric acid excretion promoting agent. And is extremely useful in the pharmaceutical industry.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006514581A JP4814789B2 (ja) | 2004-06-10 | 2005-06-10 | 6−ヒドロキシベンズブロマロン又はその塩からなる医薬組成物 |
EP05748953A EP1767531A4 (en) | 2004-06-10 | 2005-06-10 | MEDICINAL COMPOSITIONS CONTAINING 6-HYDROXYBENZBROMARONE OR SALTS THEREOF |
US11/628,918 US7521570B2 (en) | 2004-06-10 | 2005-06-10 | Medicinal compositions containing 6-hydroxybenzbromarone or salts thereof |
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JP2004-172456 | 2004-06-10 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2010044411A1 (ja) * | 2008-10-15 | 2010-04-22 | キッセイ薬品工業株式会社 | フェニルイソニコチン酸誘導体及びその医薬用途 |
WO2011040449A1 (ja) | 2009-09-30 | 2011-04-07 | 株式会社富士薬品 | 新規フェノール誘導体 |
JP2013539757A (ja) * | 2010-10-06 | 2013-10-28 | ジェイファーマ株式会社 | 強力な尿酸トランスポーター阻害剤の開発:それらの尿酸排泄効果のために設計された化合物 |
CN109432079A (zh) * | 2018-09-07 | 2019-03-08 | 江苏康缘药业股份有限公司 | 一种化合物在制备用于痛风的药物中的应用 |
Families Citing this family (3)
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CN102718735B (zh) * | 2012-05-28 | 2014-04-23 | 沈阳药科大学 | 2-乙基-3-(4-羟基)苯甲酰基苯并呋喃类化合物、组合物及其制备方法 |
CA3030821A1 (en) * | 2016-07-18 | 2018-01-25 | Arthrosi Therapeutics, Inc. | Compounds, compositions and methods for treating or preventing a symptom associated with gout or hyperuricemia |
CN110506601B (zh) * | 2019-09-10 | 2021-09-07 | 湖北理工学院 | 一种促进铜草花提前开花的方法 |
-
2005
- 2005-06-10 EP EP05748953A patent/EP1767531A4/en not_active Withdrawn
- 2005-06-10 JP JP2006514581A patent/JP4814789B2/ja not_active Expired - Fee Related
- 2005-06-10 US US11/628,918 patent/US7521570B2/en not_active Expired - Fee Related
- 2005-06-10 WO PCT/JP2005/010671 patent/WO2005121112A1/ja active Application Filing
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DE VRIES J. ET AL.: "Metabolism of benzbromarone in man: structures of new oxidative metabolites, 6-hydroxy- and 1'-oxo-benzbromarone, and the enantioselective formation and elimination of 1'-hydroxybenzbromarone.", XENOBIOTICA., vol. 23, no. 12, December 1993 (1993-12-01), pages 435 - 450, XP008054738 * |
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Cited By (8)
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WO2010044411A1 (ja) * | 2008-10-15 | 2010-04-22 | キッセイ薬品工業株式会社 | フェニルイソニコチン酸誘導体及びその医薬用途 |
JP5563985B2 (ja) * | 2008-10-15 | 2014-07-30 | キッセイ薬品工業株式会社 | フェニルイソニコチン酸誘導体及びその医薬用途 |
WO2011040449A1 (ja) | 2009-09-30 | 2011-04-07 | 株式会社富士薬品 | 新規フェノール誘導体 |
KR20120080183A (ko) | 2009-09-30 | 2012-07-16 | 가부시키가이샤 후지야쿠힝 | 신규 페놀 유도체 |
JP2013539757A (ja) * | 2010-10-06 | 2013-10-28 | ジェイファーマ株式会社 | 強力な尿酸トランスポーター阻害剤の開発:それらの尿酸排泄効果のために設計された化合物 |
JP2016074691A (ja) * | 2010-10-06 | 2016-05-12 | ジェイファーマ株式会社 | 強力な尿酸トランスポーター阻害剤の開発:それらの尿酸排泄効果のために設計された化合物 |
JP2018021048A (ja) * | 2010-10-06 | 2018-02-08 | ジェイファーマ株式会社 | 強力な尿酸トランスポーター阻害剤の開発:それらの尿酸排泄効果のために設計された化合物 |
CN109432079A (zh) * | 2018-09-07 | 2019-03-08 | 江苏康缘药业股份有限公司 | 一种化合物在制备用于痛风的药物中的应用 |
Also Published As
Publication number | Publication date |
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US7521570B2 (en) | 2009-04-21 |
EP1767531A1 (en) | 2007-03-28 |
JPWO2005121112A1 (ja) | 2008-04-10 |
JP4814789B2 (ja) | 2011-11-16 |
EP1767531A4 (en) | 2011-01-05 |
US20070185195A1 (en) | 2007-08-09 |
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