Patents by Inventor Yasuhiro Yonetoku
Yasuhiro Yonetoku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10301286Abstract: To provide a compound which can be used as an MC4 receptor agonist. The present inventors have investigated MC4 receptor agonists, and have found that a piperazine derivative has an action related to the agonists, thereby completing the present invention. That is, the piperazine derivative of the present invention has an MC4 receptor agonistic action, and can be used as an agent for preventing or treating bladder and/or urinary tract diseases, in particular, underactive bladder, hypotonic bladder, acontractile bladder, detrusor underactivity, neurogenic bladder, urethral relaxation failure, detrusor-external urethral sphincter dyssynergia, and voiding dysfunctions in benign prostatic hyperplasia.Type: GrantFiled: August 2, 2016Date of Patent: May 28, 2019Assignee: Astellas Pharma Inc.Inventors: Takashi Sugane, Takuya Makino, Daisuke Yamashita, Yasuhiro Yonetoku, Daisuke Tanabe, Hisashi Mihara, Norio Asai, Kazuhiko Osoda, Takafumi Shimizu, Hiroyuki Moritomo, Keizo Sugasawa, Kyoichi Maeno, Naomi Hosogai
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Publication number: 20180230131Abstract: [Problem] To provide a compound which can be used as an MC4 receptor agonist. [Means for Solution] The present inventors have investigated MC4 receptor agonists, and have found that a piperazine derivative has an action related to the agonists, thereby completing the present invention. That is, the piperazine derivative of the present invention has an MC4 receptor agonistic action, and can be used as an agent for preventing or treating bladder and/or urinary tract diseases, in particular, underactive bladder, hypotonic bladder, acontractile bladder, detrusor underactivity, neurogenic bladder, urethral relaxation failure, detrusor-external urethral sphincter dyssynergia, and voiding dysfunctions in benign prostatic hyperplasia.Type: ApplicationFiled: August 2, 2016Publication date: August 16, 2018Applicant: Astellas Pharma Inc.Inventors: Takashi SUGANE, Takuya MAKINO, Daisuke YAMASHITA, Yasuhiro YONETOKU, Daisuke TANABE, Hisashi MIHARA, Norio ASAI, Kazuhiro OSODA, Takafumi SHIMIZU, Hiroyuki MORITOMO, Keizo SUGASAWA, Kyoichi MAENO, Naomi HOSAGAI
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Publication number: 20120046292Abstract: [Problem] A compound which is useful as an anti-obesity agent is provided. [Means for Solution] The present inventors have investigated a compound having a DGAT1 inhibitory action, which is promising as an active ingredient of a pharmaceutical composition for treating obesity, type II diabetes mellitus, fatty liver, and diseases associated with these diseases, and as a result, they have found that the diacylethylenediamine compound of the present invention has an excellent DGAT1 inhibitory action, thereby completing the present invention. That is, the diacylethylenediamine compound of the present invention has a DGAT1 inhibitory action, and can be therefore used as an agent for preventing and/or treating obesity, type II diabetes mellitus, fatty liver, and diseases associated with these diseases.Type: ApplicationFiled: April 19, 2010Publication date: February 23, 2012Applicant: ASTELLAS PHARMA INC.Inventors: Tomoaki Kawano, Yasuhiro Yonetoku, Takeshi Hanazawa, Takahiro Nigawara, Hiroki Fukudome, Hiroshi Moritani
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Publication number: 20120035196Abstract: [Problem] The present invention has an object to provide a compound having a GPR40 agonistic activity, which is useful as a pharmaceutical composition, an insulin secretion promoter, or an agent for preventing/treating diabetes. [Means for Solution] The present inventors have extensively studied a compound having a GPR40 agonistic activity, and as a result, they have found that the compound (I) of the present invention or a pharmaceutically acceptable salt thereof, in which a carboxylic acid is bonded to a bicyclic or tricyclic moiety through methylene, and further, a benzene ring substituted with a monocyclic 6-membered aromatic ring is bonded to a bicyclic or tricyclic moiety through —O-methylene or —NH-methylene, has an excellent GPR40 agonistic activity. They have also found that the compound has an excellent insulin secretion promoting action and strongly inhibits increase in the blood glucose after glucose loading, thereby completing the present invention.Type: ApplicationFiled: April 21, 2010Publication date: February 9, 2012Inventors: Kenji Negoro, Kei Ohnuki, Yasuhiro Yonetoku, Kazuyuki Kuramoto, Yasuharu Urano, Hideyuki Watanabe
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Patent number: 7968552Abstract: A compound which can be used as a pharmaceutical, particularly a insulin secretion promoter or a agent for preventing/treating disease in which GPR40 is concerned such as diabetes or the like, is provided. It was found that an oxadiazolidinedione compound which is characterized by the possession of a benzyl or the like substituent binding to the cyclic group via a linker at the 2-position of the oxadiazolidinedione ring, or a pharmaceutically acceptable salt thereof, has excellent GPR40 agonist action. In addition, since the oxadiazolidinedione compound of the present invention showed excellent insulin secretion promoting action and blood glucose level-lowering action, it is useful as an insulin secretion promoter or an agent for preventing/treating diabetes.Type: GrantFiled: April 23, 2007Date of Patent: June 28, 2011Assignee: Astellas Pharma Inc.Inventors: Kenji Negoro, Fumiyoshi Iwasaki, Kei Ohnuki, Toshio Kurosaki, Yasuhiro Yonetoku, Norio Asai, Shigeru Yoshida, Takatoshi Soga
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Patent number: 7947690Abstract: The present invention provides a condensed pyrimidine compound represented by formula (I) or pharmaceutically acceptable salt thereof: where A represents a ring where at least one carbon atom within said ring is optionally substituted with one or more groups selected from the group consisting of lower alkyl, —O-(lower alkyl), halogen atom, carboxyl, —CO2-(lower alkyl), and carbamoyl, R1 represents: (1) phenyl substituted with at least three halogen atoms, which may have at least one additional substituent, or (2) cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, or cycloheptyl, each of which is optionally substituted; and R2 represents a group represented by formula (II) or an optionally substituted cyclic amino: wherein R21 and R22 may be identical or different and each represents —H, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, phenyl, heteroaryl, non-aromatic heterocyclyl, or —O-(lower alkyl), each of which is optionally substituted.Type: GrantFiled: October 17, 2005Date of Patent: May 24, 2011Assignee: Astellas Pharma Inc.Inventors: Yasuhiro Yonetoku, Kenji Negoro, Kenichi Onda, Masahiko Hayakawa, Daisuke Sasuga, Takahiro Nigawara, Kazuhiko Iikubo, Hiroyuki Moritomo, Shigeru Yoshida, Takahide Ohishi
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Publication number: 20100152165Abstract: [Problem] To provide a pharmaceutical, particularly a compound which can be used as an insulin secretion promoter or a preventive or therapeutic agent for diabetes mellitus and the like diseases in which GPR40 is concerned. [Means for resolution] It was found that novel carboxylic acid derivatives or salts thereof, characterized in that carboxylic acid is linked to a 6-membered monocyclic aromatic ring via two atoms and said aromatic ring is linked to a nitrogen-containing bicyclic ring via a linker, have excellent GPR40 receptor agonist action. In addition, since the carboxylic acid derivatives of the invention showed excellent insulin secretion promoting action and blood glucose reducing action, they are useful as an insulin secretion promoter and a preventive or therapeutic agent for diabetes mellitus.Type: ApplicationFiled: November 29, 2007Publication date: June 17, 2010Inventors: Kenji Negoro, Kei Ohnuki, Toshio Kurosaki, Fumiyoshi Iwasaki, Yasuhiro Yonetoku, Kazuyuki Tsuchiya, Norio Asai, Shigeru Yoshida, Takatoshi Soga, Daisuke Suzuki
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Publication number: 20090186909Abstract: [Problem] A compound which can be used as a pharmaceutical, particularly a insulin secretion promoter or a agent for preventing/treating disease in which GPR40 is concerned such as diabetes or the like, is provided. [Means for resolution] It was found that an oxadiazolidinedione compound which is characterized by the possession of a benzyl or the like substituent binding to the cyclic group via a linker at the 2-position of the oxadiazolidinedione ring, or a pharmaceutically acceptable salt thereof, has excellent GPR40 agonist action. In addition, since the oxadiazolidinedione compound of the present invention showed excellent insulin secretion promoting action and blood glucose level-lowering action, it is useful as an insulin secretion promoter or an agent for preventing/treating diabetes.Type: ApplicationFiled: April 23, 2007Publication date: July 23, 2009Inventors: Kenji Negoro, Fumiyoshi Iwasaki, Kei Ohnuki, Toshio Kurosaki, Yasuhiro Yonetoku, Norio Asai, Shigeru Yoshida, Takatoshi Soga
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Patent number: 7557112Abstract: There are provided novel pyrimidine derivatives which has been fused with an aromatic heterocycle selected from thiophene, thiazole and pyridine or pharmaceutically acceptable salts thereof; and a pharmaceutical composition comprising said compound as an active ingredient. These compounds exhibit excellent promoting activity on insulin secretion and activity against hyperglycemia. Hence, the pharmaceutical compositions comprising such compounds as active ingredients, based on these actions, are useful for treating and/or preventing insulin-dependent diabetes (type 1 diabetes), non-insulin-dependent diabetes (type 2 diabetes), insulin-resistant diseases, obesity, and the like.Type: GrantFiled: October 5, 2005Date of Patent: July 7, 2009Assignee: Astellas Pharma Inc.Inventors: Yasuhiro Yonetoku, Kenji Negoro, Kenichi Onda, Masahiko Hayakawa, Daisuke Sasuga, Takahiro Nigawara, Kazuhiko Iikubo, Hiroyuki Moritomo, Shigeru Yoshida, Takahide Ohishi
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Publication number: 20080287680Abstract: A solifenacin succinate-containing composition with less impurities which can be used as a bulk for pharmaceutical is provided. The solifenacin succinate-containing composition of the present invention has a reduced content of especially its optical isomers in comparison with the known compositions containing an acid addition salt of solifenacin, so that it can be used for production of a therapeutic agent containing solifenacin succinate. In addition, the above-described solifenacin succinate-containing composition can be easily produced in accordance with the production method of the present invention.Type: ApplicationFiled: February 7, 2005Publication date: November 20, 2008Applicant: ASTELLAS PHARMA INC.Inventors: Yusuke Ishii, Kouji Takaoka, Masatoshi Inakoshi, Shuichi Nakagawa, Koji Nagata, Naoki Yorimoto, Makoto Takeuchi, Yasuhiro Yonetoku
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Publication number: 20080070896Abstract: There are provided new pyrimidine derivatives condensed with a non-aromatic ring selected from dihydrothiophene, dihydrofuran, cycloalkane moiety, and the like or pharmaceutically acceptable salts thereof; and a pharmaceutical composition comprising said compound as an active ingredient. These compounds exhibit excellent promoting activity on insulin secretion and activity against hyperglycemia. Hence, the pharmaceutical compositions comprising such compounds as active ingredients, based on these actions, are useful for treating and/or preventing insulin-dependent diabetes (type 1 diabetes), non-insulin-dependent diabetes (type 2 diabetes), insulin-resistant diseases, obesity, and the like.Type: ApplicationFiled: October 17, 2005Publication date: March 20, 2008Applicant: Astellas Pharma Inc.Inventors: Yasuhiro Yonetoku, Kenji Negoro, Kenichi Onda, Masahiko Hayakawa, Daisuke Sasuga, Takahiro Nigawara, Kazuhiko Iikubo, Hiroyuki Moritomo, Shigeru Yoshida, Takahide Ohishi
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Publication number: 20070249587Abstract: There are provided novel pyrimidine derivatives which has been fused with an aromatic heterocycle selected from thiophene, thiazole and pyridine or pharmaceutically acceptable salts thereof; and a pharmaceutical composition comprising said compound as an active ingredient. These compounds exhibit excellent promoting activity on insulin secretion and activity against hyperglycemia. Hence, the pharmaceutical compositions comprising such compounds as active ingredients, based on these actions, are useful for treating and/or preventing insulin-dependent diabetes (type 1 diabetes), non-insulin-dependent diabetes (type 2 diabetes), insulin-resistant diseases, obesity, and the like.Type: ApplicationFiled: October 5, 2005Publication date: October 25, 2007Applicant: Astellas Pharma Inc.Inventors: Yasuhiro Yonetoku, Kenji Negoro, Kenichi Onda, Masahiko Hayakawa, Daisuke Sasuga, Takahiro Nigawara, Kazuhiko Iikubo, Hiroyuki Moritomo, Shigeru Yoshida, Takahide Ohishi
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Patent number: 7285554Abstract: Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-activated calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-activated calcium channel inhibitors containing the above compounds as the active ingredient, (in the formula, each symbol has the following meaning: D: pyrazolyl which may have 1 to 3 substituents selected from the group consisting of -Alk, -lower alkenyl, -lower alkynyl, -halogeno-lower alkyl, -Alk-cycloalkyl, -Alk-O-Alk, -cycloalkyl, —O-Alk, —COOH, —COO-Alk and -Hal, n: 0 or 1, B: phenylene, a nitrogen-containing, divalent, saturated ring group, or a monocyclic, divalent heteroaromatic ring group which may be substituted with Alk, X: —NR1—CR2R3—, —CR2R3—NR1—, —NR1—SO2—, —SO2—NR1— or —CR4?CR5—, and A: benzene ring which may have one or more substituents; mono-, di- or tricyclic fused heteroaryl which may have one or more substituents; cycloalkyl which may have one or more substiType: GrantFiled: April 7, 2006Date of Patent: October 23, 2007Assignee: Astellas Pharma Inc.Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Patent number: 7247635Abstract: Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-dependent calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-dependent calcium channel inhibitors containing the above compounds as the active ingredient, (in the formula, each symbol has the following meaning: B: phenylene, a nitrogen-containing, divalent, saturated ring group, or a monocyclic, divalent heteroaromatic ring group which may be substituted with Alk, X: —NR1—CR2R3—, —CR2R3—NR1—, —NR1—SO2—, —SO2—NR1— or —CR4?CR5—, and A: benzene ring which may have one or more substituents; mono-, di- or tricyclic fused heteroaryl which may have one or more substituents; cycloalkyl which may have one or more substituents; a nitrogen-containing, saturated ring group which may have one or more substituents; lower alkenyl which may have one or more substituents; lower alkynyl which may have one or more substituents; or Alk which may have one or more sType: GrantFiled: June 17, 2005Date of Patent: July 24, 2007Assignee: Astellas Pharma Inc.Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Publication number: 20060264430Abstract: Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-activated calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-activated calcium channel inhibitors containing the above compounds as the active ingredient, (in the formula, each symbol has the following meaning: D: pyrazolyl which may have 1 to 3 substituents selected from the group consisting of -Alk, -lower alkenyl, -lower alkynyl, -halogeno-lower alkyl, -Alk-cycloalkyl, -Alk-O-Alk, -cycloalkyl, —O-Alk, —COOH, —COO-Alk and -Hal, n: 0 or 1, B: phenylene, a nitrogen-containing, divalent, saturated ring group, or a monocyclic, divalent heteroaromatic ring group which may be substituted with Alk, X: —NR1—CR2R3—, —CR2R3—NR1—, —NR1—SO2—, —SO2—NR1— or —CR4?CR5—, and A: benzene ring which may have one or more substituents; mono-, di- or tricyclic fused heteroaryl which may have one or more substituents; cycloalkyl which may have one or more substituenType: ApplicationFiled: April 7, 2006Publication date: November 23, 2006Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Patent number: 6958339Abstract: The present invention is directed to drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-activated calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-activated calcium channel inhibitors containing the above compounds as the active ingredient, wherein each substituent is defined in the specification. The present invention also relates to a pharmaceutical composition containing an effective amount of the compound of formula (I) and a pharmaceutically effective carrier. The present invention further relates to methods of treatment of diseases associated with calcium release-activated calcium channels, diseases associated with IL-2 production, and methods of treatment of allergic, inflammatory or auto-immune diseases.Type: GrantFiled: February 2, 2001Date of Patent: October 25, 2005Assignee: Astellas Pharma Inc.Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Jun Ishikawa, Makoto Takeuchi
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Publication number: 20050234055Abstract: Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-dependent calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-dependent calcium channel inhibitors containing the above compounds as the active ingredient, (in the formula, each symbol has the following meaning: B: phenylene, a nitrogen-containing, divalent, saturated ring group, or a monocyclic, divalent heteroaromatic ring group which may be substituted with Alk, X: —NR1—CR2R3—, —CR2R3—NR1—, —NR1—SO2—, —SO2—NR1— or —CR4?CR5—, and A: benzene ring which may have one or more substituents; mono-, di- or tricyclic fused heteroaryl which may have one or more substituents; cycloalkyl which may have one or more substituents; a nitrogen-containing, saturated ring group which may have one or more substituents; lower alkenyl which may have one or more substituents; lower alkynyl which may have one or more substituents; or Alk which may have one or more sType: ApplicationFiled: June 17, 2005Publication date: October 20, 2005Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Patent number: 6348480Abstract: The present invention is directed to drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-activated calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-activated calcium channel inhibitors containing the above compounds as the active ingredient, wherein each substituent is defined in the specification. The present invention also relates to a pharmaceutical composition containiing an effective amount of the compound of formula (I) and a pharmaceutically effective carrier. The present invention further relates to methods of treatment of diseases associated with calcium release-activated calcium channels, diseases associated with IL-2 production, and methods of treatment of allergic, inflammatory or auto-immune diseases.Type: GrantFiled: April 7, 2000Date of Patent: February 19, 2002Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizou Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Publication number: 20010011090Abstract: Drugs, in particular, pyrazole derivatives represented by the following general formula (I) which have a calcium release-dependent calcium channel inhibitory effect and medicinal compositions, in particular, calcium release-dependent calcium channel inhibitors containing the above compounds as the active ingredient, 1Type: ApplicationFiled: February 2, 2001Publication date: August 2, 2001Inventors: Hirokazu Kubota, Yasuhiro Yonetoku, Keizo Sugasawa, Masashi Funatsu, Souichirou Kawazoe, Akira Toyoshima, Yoshinori Okamoto, Jun Ishikawa, Makoto Takeuchi
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Patent number: 6174896Abstract: Quinuclidine derivatives represented by general following general formula (I), salts, N-oxides or quaternary ammonium salts thereof, and medicinal compositions containing the same. The compound has an antagonistic effect on muscarinic M3 receptors and is useful as a preventive or remedy for urologic diseases, respiratory diseases or digestive diseases.Type: GrantFiled: May 14, 1999Date of Patent: January 16, 2001Assignee: Yamanouchi Pharmaceutical Co., Ltd.Inventors: Makoto Takeuchi, Ryo Naito, Masahiko Hayakawa, Yoshinori Okamoto, Yasuhiro Yonetoku, Ken Ikeda, Yasuo Isomura