Patents by Inventor Hiroaki Hoshii
Hiroaki Hoshii 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: 9642852Abstract: A sulfur-containing bicyclic compound of the present invention has a PAM action of GABAB. A composition containing the sulfur-containing bicyclic compound. And, a method for preventing and/or treating schizophrenia, CIAS, cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, or Charcot-Marie-Tooth disease by administering the sulfur-containing bicyclic compound.Type: GrantFiled: April 17, 2015Date of Patent: May 9, 2017Assignee: Astellas Pharma Inc.Inventors: Nobuyuki Shiraishi, Hiroaki Hoshii, Wataru Hamaguchi, Eriko Honjo, Tomofumi Takuwa, Yuji Kondo, Takayuki Goto
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Publication number: 20150231138Abstract: A sulfur-containing bicyclic compound of the present invention has a PAM action of GABAB. A composition containing the sulfur-containing bicyclic compound. And, a method for preventing and/or treating schizophrenia, CIAS, cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, or Charcot-Marie-Tooth disease by administering the sulfur-containing bicyclic compound.Type: ApplicationFiled: April 17, 2015Publication date: August 20, 2015Applicant: Astellas Pharma Inc.Inventors: Nobuyuki SHIRAISHI, Hiroaki HOSHII, Wataru HAMAGUCHI, Eriko HONJO, Tomofumi TAKUWA, Yuji KONDO, Takayuki GOTO
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Patent number: 9051339Abstract: A sulfur-containing bicyclic compound having a PAM action of GABAB, and it use for preventing and/or treating schizophrenia, CIAS, cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, or Charcot-Marie-Tooth disease. A pharmaceutical composition for preventing and/or treating schizophrenia, cognitive impairment associated with schizophrenia (CIAS), cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, Charcot-Marie-Tooth disease, or the like, which has a positive allosteric modulator (PAM action) of GABAB.Type: GrantFiled: October 17, 2014Date of Patent: June 9, 2015Assignee: Astellas Pharma Inc.Inventors: Nobuyuki Shiraishi, Hiroaki Hoshii, Wataru Hamaguchi, Eriko Honjo, Tomofumi Takuwa, Yuji Kondo, Takayuki Goto
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Publication number: 20150111876Abstract: A sulfur-containing bicyclic compound having a PAM action of GABAB, and it use for preventing and/or treating schizophrenia, CIAS, cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, or Charcot-Marie-Tooth disease. A pharmaceutical composition for preventing and/or treating schizophrenia, cognitive impairment associated with schizophrenia (CIAS), cognitive impairment, fragile X syndrome, autism spectrum disorder, spasticity, anxiety disorder, substance addiction, pain, fibromyalgia, Charcot-Marie-Tooth disease, or the like, which has a positive allosteric modulator (PAM action) of GABAB.Type: ApplicationFiled: October 17, 2014Publication date: April 23, 2015Applicant: Astellas Pharma Inc.Inventors: Nobuyuki Shiraishi, Hiroaki Hoshii, Wataru Hamaguchi, Eriko Honjo, Tomofumi Takuwa, Yuji Kondo, Takayuki Goto
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Patent number: 8377923Abstract: [Problem] A compound, which can be used for preventing or treating diseases, in which 11?-hydroxysteroid dehydrogenase type 1 (11?-HSD1) is concerned, in particular, diabetes, insulin resistance, dementia, schizophrenia and depression, is provided. [Means for Solution] It was found that a triazole derivative, in which one of the 3- and 5-positions of the triazole ring has (di)alkylmethyl or cycloalkyl, each of which is substituted with —O— (aryl or a heterocyclic group, each of which may be substituted, or lower alkylene-cycloalkyl), and the other thereof has aryl, a heterocyclic group or cycloalkyl, each of which may be substituted, or a pharmaceutically acceptable salt thereof exhibits potent 11?-HSD1 inhibitory action. From the above, the triazole derivative of the present invention can be used for preventing or treating diabetes, insulin resistance, dementia, schizophrenia and depression.Type: GrantFiled: July 2, 2009Date of Patent: February 19, 2013Assignee: Astellas Pharma Inc.Inventors: Seiji Yoshimura, Noriyuki Kawano, Tomoaki Kawano, Daisuke Sasuga, Takanori Koike, Hideyuki Watanabe, Hiroki Fukudome, Nobuyuki Shiraishi, Ryosuke Munakata, Hiroaki Hoshii, Kayoko Mihara
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Patent number: 8211907Abstract: To provide a compound which is useful as an NMDA receptor antagonist. The present inventors have studied a compound having an NMDA receptor antagonistic action, and confirmed that the fused indane compound of the present invention has an excellent NMDA receptor antagonistic action, thereby completed the present invention. The fused indane compound of the present invention has an excellent NMDA receptor antagonistic action and can be used as a prophylactic and/or therapeutic agent for Alzheimer's disease, cerebrovascular dementia, Parkinson's disease, intractable depression, attention deficit hyperactivity disorder, migraines, or the like.Type: GrantFiled: November 26, 2008Date of Patent: July 3, 2012Assignee: Astellas Pharma Inc.Inventors: Satoshi Hayashibe, Shingo Yamasaki, Nobuyuki Shiraishi, Hiroaki Hoshii, Takahiko Tobe
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Patent number: 8013018Abstract: Provided is a compound that is an NMDA receptor antagonist having a broader safety margin, and is useful as an agent for treating or preventing Alzheimer's disease, cerebrovascular dementia, Parkinson's disease, ischemic apoplexy, or pain. A novel compound or a salt thereof, which is characterized in that it has an amino group and R1 (lower alkyl, cycloalkyl, -lower alkylene-aryl, aryl which may be substituted, and the like) on carbon atoms of indane, cyclopenta[b]thiophene, cyclopenta[b]furan, cyclopenta[b]pyridine, or cyclopenta[c]pyridine ring, or 2,3 -dihydro-1-benzofuran, 2,3-dihydro-1-benzothiophene, indoline ring, or the like, and has R2 and R3 (the same or different, each lower alkyl or aryl) on carbon atoms beside them, and an NMDA receptor antagonist comprising the same as an active component.Type: GrantFiled: July 17, 2007Date of Patent: September 6, 2011Assignee: Astellas Pharma Inc.Inventors: Satoshi Hayashibe, Shingo Yamasaki, Kazushi Watanabe, Nobuyuki Shiraishi, Daisuke Suzuki, Hiroaki Hoshii, Junya Ohmori, Takatoshi Kanayama
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Publication number: 20110207729Abstract: An object of the present invention is to provide a novel and excellent agent for treating or preventing dementia, schizophrenia, and the like, based on the serotonin 5-HT5A receptor modulating action. It was confirmed that a bicyclic acylguanidine derivative which has a characteristic structure that guanidine is bonded to one ring of a bicyclic structure such as chromene and dihydronaphthalene through a carbonyl group and a cyclic group is bonded on the other ring, has a potent 5-HT5A receptor modulating action and an excellent pharmacological action based on this mechanism. The present invention is useful as an excellent agent for treating or preventing dementia, schizophrenia, bipolar disorder, or attention deficit hyperactivity disorder.Type: ApplicationFiled: August 7, 2008Publication date: August 25, 2011Applicant: ASTELLAS PHARMA INC.Inventors: Isao Kinoyama, Satoshi Miyamoto, Takehiro Miyazaki, Yohei Koganemaru, Yuichiro Kawamoto, Nobuyuki Shiraishi, Hiroaki Hoshii, Akio Kuroda, Mayako Yamazaki, Minoru Yasuda, Hiroaki Mizuno
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Publication number: 20110105460Abstract: [Problem] A compound, which can be used for preventing or treating diseases, in which 11?-hydroxysteroid dehydrogenase type 1 (11?-HSD1) is concerned, in particular, diabetes, insulin resistance, dementia, schizophrenia and depression, is provided. [Means for Solution] It was found that a triazole derivative, in which one of the 3- and 5-positions of the triazole ring has (di)alkylmethyl or cycloalkyl, each of which is substituted with —O— (aryl or a heterocyclic group, each of which may be substituted, or lower alkylene-cycloalkyl), and the other thereof has aryl, a heterocyclic group or cycloalkyl, each of which may be substituted, or a pharmaceutically acceptable salt thereof exhibits potent 11?-HSD1 inhibitory action. From the above, the triazole derivative of the present invention can be used for preventing or treating diabetes, insulin resistance, dementia, schizophrenia and depression.Type: ApplicationFiled: July 2, 2009Publication date: May 5, 2011Applicant: ASTELLAS PHARMA INC.Inventors: Seiji Yoshimura, Noriyuki Kawano, Tomoaki Kawano, Daisuke Sasuga, Takanori Koike, Hideyuki Watanabe, Hiroki Fukudome, Nobuyuki Shiraishi, Ryosuke Munakata, Hiroaki Hoshii, Kayoko Mihara
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Publication number: 20100324017Abstract: An object of the present invention is to provide a novel and excellent agent for treating or preventing dementia, schizophrenia and the like, based on the 5-HT5A receptor modulating action. It was confirmed that a compound characterized by a structure that a tricyclic hetero ring having a pyrrole ring at the center and guanidine are bonded via a carbonyl group has a potent 5-HT5A receptor modulating action and an excellent pharmacological action based thereon, and thus, it was found that the compound can be an excellent agent for treating or preventing dementia, schizophrenia, bipolar disorder, or attention deficit hyperactivity disorder, particularly for memory-related functional disorders such as cognitive impairments including dementia and schizophrenia, thereby completing the present invention.Type: ApplicationFiled: February 6, 2008Publication date: December 23, 2010Inventors: Isao Kinoyama, Satoshi Miyamoto, Hiroaki Hoshii, Takehiro Miyazaki, Mayako Yamazaki
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Publication number: 20100267695Abstract: [Problems] To provide a compound which is useful as an NMDA receptor antagonist. [Means for Solution] The present inventors have studied a compound having an NMDA receptor antagonistic action, and confirmed that the fused indane compound of the present invention has an excellent NMDA receptor antagonistic action, thereby completed the present invention. The fused indane compound of the present invention has an excellent NMDA receptor antagonistic action and can be used as a prophylactic and/or therapeutic agent for Alzheimer's disease, cerebrovascular dementia, Parkinson's disease, intractable depression, attention deficit hyperactivity disorder, migraines, or the like.Type: ApplicationFiled: November 26, 2008Publication date: October 21, 2010Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi Hayashibe, Shingo Yamasaki, Nobuyuki Shiraishi, Hiroaki Hoshii, Takahiko Tobe
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Publication number: 20090186916Abstract: Provided is a compound that is an NMDA receptor antagonist having a broader safety margin, and is useful as an agent for treating or preventing Alzheimer's disease, cerebrovascular dementia, Parkinson's disease, ischemic apoplexy, or pain. A novel compound or a salt thereof, which is characterized in that it has an amino group and R1 (lower alkyl, cycloalkyl, -lower alkylene-aryl, aryl which may be substituted, and the like) on carbon atoms of indane, cyclopenta[b]thiophene, cyclopenta[b]furan, cyclopenta[b]pyridine, or cyclopenta[c]pyridine ring, or 2,3-dihydrdo-1-benzofuran, 2,3-dihydrdo-1-benzothiophene, indoline ring, or the like, and has R2 and R3 (the same or different, each lower alkyl or aryl) on carbon atoms beside them, and an NMDA receptor antagonist comprising the same as an active component.Type: ApplicationFiled: July 17, 2007Publication date: July 23, 2009Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi Hayashibe, Shingo Yamasaki, Kazushi Watanabe, Nobuyuki Shiraishi, Daisuke Suzuki, Hiroaki Hoshii, Junya Ohmori, Takatoshi Kanayama
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Publication number: 20070197594Abstract: Provided are compounds which are an NMDA antagonist having a broad safety margin and are useful as a treating agent or a preventing agent for Alzheimer's disease, cerebrovascular dementia, Parkinson's disease, ischemic apoplexy, pain, etc. Concretely provided are an amine derivative or its salt characterized in that the amine-containing structure A therein bonds to a 2- or 3-cyclic condensed ring (e.g., indane, tetralone, 4,5,6,7-tetrahydrobenzothiophene, 4,5,6,7-tetrahydrobenzofuran, 7,8-dihydro-6H-indeno[4,5-b]furan, 2,3-dihydro-1H-cyclopenta[1]naphthalene) via X1 (bond or lower alkylene); and an NMDA antagonist containing it as an active ingredient thereof.Type: ApplicationFiled: September 20, 2005Publication date: August 23, 2007Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi Hayashibe, Takatoshi Kanayama, Junya Ohmori, Takahiko Tobe, Kyoichi Maeno, Yoshitsugu Shitaka, Jotarou Suzuki, Shigeki Kawabata, Nobuyuki Shiraishi, Shingo Yamasaki, Daisuke Suzuki, Hiroaki Hoshii