Patents Assigned to Zeria Pharmaceuticals
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Publication number: 20230372250Abstract: To provide an enteric coated tablet containing a large amount of medicinal ingredient and having sufficient impact resistance, without forming a thick enteric coating layer. The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.Type: ApplicationFiled: August 1, 2023Publication date: November 23, 2023Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Akio RYU, Miyako OSADA
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Patent number: 11083757Abstract: A cognitive decline inhibitor or a learning ability improver is provided, which comprises, as an active ingredient, a liver hydrolysate having a lipid content of less than 2 mass % or a phosphatidylcholine content of less than 1 mass %.Type: GrantFiled: October 27, 2017Date of Patent: August 10, 2021Assignee: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Kotaro Yamada, Hidetomo Sakurai, Osamu Nakagawasai, Koichi Tanno
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Publication number: 20210093577Abstract: To provide an enteric coated tablet containing a large amount of medicinal ingredient and having sufficient impact resistance, without forming a thick enteric coating layer. The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.Type: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Akio RYU, Miyako OSADA
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Publication number: 20200375954Abstract: A therapeutic agent for impaired gastric accommodation which contains as an active ingredient a compound represented by the general formula (1): (wherein R1 represents a hydrogen atom, a hydroxyl group or a halogen atom; A represents a furyl group, a thienyl group, a thiazolyl group or an oxazolyl group; R2 and R3 each represents an alkyl group with 1 to 5 carbon atoms; and n represents an integer of 2 to 4), or an acid addition salt thereof. Use of a therapeutic agent of the present invention greatly alleviates symptoms caused by said disorders, such as early satiety and bloating, because it improves relaxation of gastric fundus and impaired gastric accommodation.Type: ApplicationFiled: August 20, 2020Publication date: December 3, 2020Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Yugo MATSUNAGA, Shigeru UEKI, Hiroki KATO, Shiro KOBAYASHI
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Publication number: 20190247442Abstract: A cognitive decline inhibitor or a learning ability improver is provided, which comprises, as an active ingredient, a liver hydrolysate having a lipid content of less than 2 mass % or a phosphatidylcholine content of less than 1 mass %.Type: ApplicationFiled: October 27, 2017Publication date: August 15, 2019Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Kotaro YAMADA, Hidetomo SAKURAI, Osamu NAKAGAWASAI, Koichi TANNO
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Patent number: 10364206Abstract: The purpose of the present invention is to provide a method for producing 2-halogenated benzoic acids, the method imparting high regioselectivity (high selectivity) and having a shorter reaction time than does the conventional reaction. This method for producing 2-halogenated benzoic acids, in order to achieve the above purpose, is characterized in that benzoic acids and a halogenating agent are reacted in the presence of an alkaline compound, making it possible to highly selectively obtain 2-halogenated benzoic acids.Type: GrantFiled: April 11, 2016Date of Patent: July 30, 2019Assignees: SUMITOMO SEIKA CHEMICALS CO., LTD., ZERIA PHARMACEUTICAL CO., LTD.Inventors: Katsumi Takano, Takeshi Fujiwara, Hiroyuki Shiraishi, Nami Matsuo
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Publication number: 20190015345Abstract: To provide an enteric coated tablet containing a large amount of medicinal ingredient and having sufficient impact resistance, without forming a thick enteric coating layer. The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.Type: ApplicationFiled: September 20, 2018Publication date: January 17, 2019Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Akio Ryu, Miyako Osada
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Publication number: 20180333466Abstract: To provide a therapeutic agent for gastrointestinal disorder such as diabetic gastroparesis. A postprandial gastrokinetic agent containing (A) ghrelin or a ghrelin agonist and (B) motilin or a motilin agonist as active ingredients, in which both the ingredients (A) and (B) are administered so as to act on the stomach after food intake.Type: ApplicationFiled: July 30, 2018Publication date: November 22, 2018Applicants: ZERIA PHARMACEUTICAL CO., LTD., SAITAMA UNIVERSITYInventors: Takafumi SAKAI, Ichiro Sakata, Kayuri Kuroda, Makoto Yoshimura
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Publication number: 20180318314Abstract: To provide a pharmaceutical agent or an antitumor agent useful for the treatment and/or prevention of gastrointestinal cancer, leukemia, pituitary tumor, small cell lung cancer, thyroid cancer, and neuroastrocytoma. The antitumor agent containing, as an active ingredient, a 1,5-benzodiazepine derivative represented by the following formula (1): (wherein R1 represents a C1-6 alkyl group; R2 represents a phenyl group or a cyclohexyl group; and Y represents a single bond or a C1-4 alkylene group) or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: July 11, 2018Publication date: November 8, 2018Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Koji YOSHINAGA, Daisuki Kawasaki, Yutaka Emori
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Publication number: 20180086687Abstract: The purpose of the present invention is to provide a method for producing 2-halogenated benzoic acids, the method imparting high regioselectivity (high selectivity) and having a shorter reaction time than does the conventional reaction. This method for producing 2-halogenated benzoic acids, in order to achieve the above purpose, is characterized in that benzoic acids and a halogenating agent are reacted in the presence of an alkaline compound, making it possible to highly selectively obtain 2-halogenated benzoic acids.Type: ApplicationFiled: April 11, 2016Publication date: March 29, 2018Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., ZERIA PHARMACEUTICAL CO., LTD.Inventors: Katsumi Takano, Takeshi Fujiwara, Hiroyuki Shiraishi, Nami Matsuo
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Publication number: 20170246257Abstract: To provide a therapeutic agent for gastrointestinal disorder such as diabetic gastroparesis. A postprandial gastrokinetic agent containing (A) ghrelin or a ghrelin agonist and (B) motilin or a motilin agonist as active ingredients, in which both the ingredients (A) and (B) are administered so as to act on the stomach after food intake.Type: ApplicationFiled: May 16, 2017Publication date: August 31, 2017Applicants: ZERIA PHARMACEUTICAL CO., LTD., SAITAMA UNIVERSITYInventors: Takafumi SAKAI, Ichiro SAKATA, Kayuri KURODA, Makoto YOSHIMURA
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Patent number: 9682126Abstract: To provide a therapeutic agent for gastrointestinal disorder such as diabetic gastroparesis. A postprandial gastrokinetic agent containing (A) ghrelin or a ghrelin agonist and (B) motilin or a motilin agonist as active ingredients, in which both the ingredients (A) and (B) are administered so as to act on the stomach after food intake.Type: GrantFiled: February 10, 2014Date of Patent: June 20, 2017Assignees: ZERIA PHARMACEUTICAL CO., LTD., SAITAMA UNIVERSITYInventors: Takafumi Sakai, Ichiro Sakata, Kayuri Kuroda, Makoto Yoshimura
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Publication number: 20170151256Abstract: To provide a pharmaceutical agent or an antitumor agent useful for the treatment and/or prevention of gastrointestinal cancer, leukemia, pituitary tumor, small cell lung cancer, thyroid cancer, and neuroastrocytoma. The antitumor agent containing, as an active ingredient, a 1,5-benzodiazepine derivative represented by the following formula (1): (wherein R1 represents a C1-6 alkyl group; R2 represents a phenyl group or a cyclohexyl group; and Y represents a single bond or a C1-4 alkylene group) or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: February 10, 2017Publication date: June 1, 2017Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Koji YOSHINAGA, Daisuke KAWASAKI, Yutaka EMORI
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Publication number: 20160051630Abstract: To provide a therapeutic agent for gastrointestinal disorder such as diabetic gastroparesis. A postprandial gastrokinetic agent containing (A) ghrelin or a ghrelin agonist and (B) motilin or a motilin agonist as active ingredients, in which both the ingredients (A) and (B) are administered so as to act on the stomach after food intake.Type: ApplicationFiled: February 10, 2014Publication date: February 25, 2016Applicants: ZERIA PHARMACEUTICAL CO., LTD., SAITAMA UNIVERSITYInventors: Takafumi SAKAI, Ichiro SAKATA, Kayuri KURODA, Makoto YOSHIMURA
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Publication number: 20150374632Abstract: To provide an enteric coated tablet containing a large amount of medicinal ingredient and having sufficient impact resistance, without forming a thick enteric coating layer. The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.Type: ApplicationFiled: February 21, 2014Publication date: December 31, 2015Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Akio RYU, Miyako OSADA
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Patent number: 9096511Abstract: Provided is a method for effectively producing a 4,5-dialkoxy-2-hydroxybenzoic acid from an inexpensive raw material. A method for producing a 2-bromo-4,5-dialkoxybenzoic acid represented by the following formula (2): (wherein each of R1 and R2 represents a lower alkyl group), the method including causing a 3,4-dialkoxybenzoic acid represented by the following formula (1): (wherein R1 and R2 have the same meanings as defined above) to react with bromine in concentrated hydrochloric acid.Type: GrantFiled: December 6, 2011Date of Patent: August 4, 2015Assignee: ZERIA PHARMACEUTICAL CO., LTD.Inventor: Ryu Nakao
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Publication number: 20150141475Abstract: A therapeutic agent for impaired gastric accommodation which contains as an active ingredient a compound represented by the general formula (1): (wherein R1 represents a hydrogen atom, a hydroxyl group or a halogen atom; A represents a furyl group, a thienyl group, a thiazolyl group or an oxazolyl group; R2 and R3 each represents an alkyl group with 1 to 5 carbon atoms; and n represents an integer of 2 to 4), or an acid addition salt thereof. Use of a therapeutic agent of the present invention greatly alleviates symptoms caused by said disorders, such as early satiety and bloating, because it improves relaxation of gastric fundus and impaired gastric accommodation.Type: ApplicationFiled: December 22, 2014Publication date: May 21, 2015Applicant: ZERIA PHARMACEUTICAL CO., LTD.Inventors: Yugo MATSUNAGA, Shigeru Ueki, Hiroki Kato, Shiro Kobayashi
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Patent number: 9000163Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.Type: GrantFiled: October 29, 2013Date of Patent: April 7, 2015Assignee: Zeria Pharmaceutical Co., Ltd.Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida
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Publication number: 20150038495Abstract: To provide a cancer pain therapeutic and/or prophylactic agent which can be administered to a patient for a long period of time from the early stage to the final stage of the cancer pain therapy, instead of conventional non-opioid analgesic agents or opioid analgesic agents. The cancer pain therapeutic and/or prophylactic agent containing, as an active ingredient, a 1,5-benzodiazepine derivative represented by formula (1): (wherein R1 represents a C1-6 alkyl group, R2 represents a phenyl group or a cyclohexyl group, and Y represents a single bond or a C1-4 an alkylene group) or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: September 24, 2014Publication date: February 5, 2015Applicant: Zeria Pharmaceutical Co., Ltd.Inventors: Koji YOSHINAGA, Hiroki Hamano, Takayuki Hori
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Patent number: 8841461Abstract: Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.Type: GrantFiled: October 29, 2013Date of Patent: September 23, 2014Assignee: Zeria Pharmaceutical Co., Ltd.Inventors: Masaaki Nagasawa, Kazuyasu Asami, Ryu Nakao, Nobuyuki Tanaka, Yoshiyuki Aida