Patents Assigned to Senju Pharmaceuticals Co., Ltd.
  • Patent number: 10052411
    Abstract: The present invention provides a graft more suitable for the transplantation of corneal endothelial cells and an application method thereof. Specifically, the present invention provides a corneal endothelial preparation capable of cell proliferation in vivo, which contains a substrate and a corneal endothelial cell layer cultured on the substrate, and a treatment method of a disease selected from the group consisting of bullous keratopathy, corneal edema, corneal leukoma and corneal endothelial inflammation, which includes a step of transplanting the preparation to patients. As the substrate, collagen is used.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: August 21, 2018
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Noriko Koizumi, Shigeru Kinoshita, Yuji Sakamoto
  • Publication number: 20180228901
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl) oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and bensalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 16, 2018
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko SHIKAMURA, Yuka HIGASHIMURA
  • Publication number: 20180177766
    Abstract: Provided are a novel pharmaceutical use of PPAR? agonist such as a therapeutic agent for neurotrophic keratopathy, an improving agent for decrease of corneal sensitivity and the like, each containing [3-[2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl]-5-methyl-1,2-benzisoxazol-6-yl]oxyacetic acid or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: June 9, 2016
    Publication date: June 28, 2018
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Shinya KOBAYASHI, Yoshikuni NAKAMURA, Takeshi TARUI, Tomoyuki WADA
  • Publication number: 20180140548
    Abstract: The purpose of the present invention is to provide a technique for formulating a two-layer separation-type ophthalmic solution in which, during storage, an aqueous layer and an oil-containing layer containing squalane are separated from each other, wherein it is possible to homogeneously disperse the oil-containing layer in the aqueous layer while suppressing foaming by shaking the ophthalmic solution before administration, and the homogeneous dispersed state is maintained in a stable manner at least until administration. A two-layer separation-type ophthalmic solution containing squalane and water, wherein hyaluronic acid and/or a salt thereof and polyvinyl alcohol are contained in the ophthalmic solution and the polyvinyl alcohol content is set to 0.025 to 0.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 24, 2018
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventor: Shirou SAWA
  • Patent number: 9968679
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl)oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and benzalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 15, 2018
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko Shikamura, Yuka Higashimura
  • Patent number: 9962289
    Abstract: Provided is a fragmentation tip, an intraocular surgery device, a method for suppressing an occurrence of cavitation, and a cataract surgery method, which can suppress the occurrence of cavitation. The fragmentation tip, which is attached to an intraocular surgery device configured to apply ultrasonic vibration, includes: a cylindrical support portion configured to be mounted on the intraocular surgery device; and a cylindrical tip body provided at a distal end of the support portion to be in communication with an internal space of the support portion, wherein the tip body has a cross sectional shape having a length in a first direction that is larger than a length in a second direction that is orthogonal to the first direction, and vibration is applied to the support portion so that the tip body rotates back and forth about an axis of the tip body that passes through its center in the first and second directions.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: May 8, 2018
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventor: Makoto Kishimoto
  • Publication number: 20180105563
    Abstract: An object of the invention is to provide an agent for preventing or treating corneal disorders, such as corneal epithelial disorder, dry eye, and reduction in corneal sensitivity. This object is achieved by using angiopoietin-like protein 7 as an active ingredient.
    Type: Application
    Filed: April 15, 2016
    Publication date: April 19, 2018
    Applicants: The University of Tokyo, Senju Pharmaceutical Co., Ltd.
    Inventors: Tomohiko USUI, Chiho YABUTA
  • Patent number: 9921419
    Abstract: The object of the present invention is to provide an annular device superior to a conventional annular device in the stability over an eyeball when being worn, which overcomes problems caused by wearing a conventional annular device. The above object is attained by preparing an annular device to be worn over the surface of the sclera, the annular device including an opening exposing the cornea and one or a plurality of approximately encircling grooves on an intermediate part between an inner rim part and an outer rim part. The annular device has a maximum thickness preferably in the intermediate part.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: March 20, 2018
    Assignees: SEED CO., LTD., SENJU PHARMACEUTICAL CO., LTD
    Inventors: Akira Nakamura, Tsutomu Fukushima
  • Patent number: 9907750
    Abstract: The purpose of the present invention is to provide a technique for formulating a two-layer separation-type ophthalmic solution in which, during storage, an aqueous layer and an oil-containing layer containing squalane are separated from each other, wherein it is possible to homogeneously disperse the oil-containing layer in the aqueous layer while suppressing foaming by shaking the ophthalmic solution before administration, and the homogeneous dispersed state is maintained in a stable manner at least until administration. A two-layer separation-type ophthalmic solution containing squalane and water, wherein hyaluronic acid and/or a salt thereof and polyvinyl alcohol are contained in the ophthalmic solution and the polyvinyl alcohol content is set to 0.025 to 0.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 6, 2018
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventor: Shirou Sawa
  • Publication number: 20180028667
    Abstract: Provided are an aqueous liquid preparation showing improved stability of N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide or a salt thereof in the aqueous liquid preparation, a method of stabilizing the compound in an aqueous liquid, and a stabilizer of the compound in an aqueous liquid. An aqueous liquid preparation containing the above-mentioned compound and ethylenediaminetetraacetic acid (EDTA) or a salt thereof or a hydrate thereof; a stabilizing method of the compound in an aqueous liquid, including adding the compound and EDTA or a salt thereof or a hydrate thereof to the aqueous liquid; a stabilizer of the above-mentioned compound in an aqueous liquid, which contains EDTA or a salt thereof or a hydrate thereof; and a stabilizer of the compound in an aqueous liquid, which contains EDTA or a salt thereof or a hydrate thereof, and castor oil in combination.
    Type: Application
    Filed: December 10, 2015
    Publication date: February 1, 2018
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yasuhiro MORI, Masazumi YAMAGUCHI
  • Patent number: 9849121
    Abstract: An aqueous liquid preparation containing (+)-(S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butyric acid or a pharmacologically acceptable acid addition salt thereof, which is stabilized with a water-soluble metal chloride, is provided.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: December 26, 2017
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventor: Masayo Higashiyama
  • Publication number: 20170319665
    Abstract: The present invention provides a technique for treating retinal epithelium and/or nerves. More specifically, the present invention is an agent for the treatment or prevention of retinal disease or the like and/or a disease, disorder, or ophthalmological state of the nerves, the agent including at least one factor selected from the group consisting of laminin and fragments thereof, wherein the problem is solved by also providing a technique characterized in that this agent is administered together with retinal pigment epithelial cells and/or nerve cells. Specifically, the present invention can include laminin 411 (?4?1?1), laminin 511 (?5?1?1), laminin 521 (?5?2?1), or fragments of these.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 9, 2017
    Applicants: KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, THE DOSHISHA, SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Noriko KOIZUMI, Naoki OKUMURA, Shigeru KINOSHITA
  • Publication number: 20170319693
    Abstract: The present invention provides a technique for treating the cornea. More specifically, the present invention is an agent for the treatment or prevention of a state of corneal endothelial disease, the agent including at least one factor selected from the group consisting of laminin and fragments thereof, wherein the problem is solved by also providing a technique characterized in that this agent is administered together with corneal endothelial cells. Specifically, the present invention can include laminin 511 (?5?1?1), laminin 521 (?5?2?1), or a fragment of these.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 9, 2017
    Applicants: KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, THE DOSHISHA, SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Noriko KOIZUMI, Naoki OKUMURA, Shigeru KINOSHITA
  • Publication number: 20170191033
    Abstract: An object of the present invention is to provide a method of inducing pluripotent stem cells to differentiate into clinically applicable retinal ganglion cells. The present invention provides a method for inducing pluripotent stem cells to differentiate into retinal ganglion cells that can be used for clinical application. Such method is a method for producing retinal ganglion cells with elongated axons comprising the following steps: (a) a step of inducing pluripotent stem cells to differentiate into retinal progenitor cells via floating culture; (b) a step of inducing the retinal progenitor cells obtained in step (a) to differentiate into retinal ganglion cells via floating culture; and (c) a step of allowing axons to elongate via adhesion culture of the retinal ganglion cells obtained in step (b).
    Type: Application
    Filed: August 7, 2015
    Publication date: July 6, 2017
    Applicants: NATIONAL CENTER FOR CHILD HEALTH AND DEVELOPMENT, SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Noriyuki Azuma, Taku Tanaka, Tadashi Yokoi
  • Patent number: 9617222
    Abstract: The main object of the present invention is to provide a novel compound which has a VEGF receptor tyrosine kinase inhibitory activity and is useful as an active ingredient for the treatment of diseases accompanying angiogenesis or edema, for example, age-related macular degeneration or the like. The present invention includes, for example, an alkynyl indazole derivative represented by the following general formula (I), a pharmaceutical acceptable salt thereof, and a medicine containing thereof.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 11, 2017
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Norihiko Takeda, Tomoyo Miyabe, Shinnosuke Machida, Mamiko Machida, Takeshi Nakajima
  • Patent number: 9616101
    Abstract: The present invention relates to a differentiation marker and a differentiation controlling technique for an eye cell. More particularly, the present invention has attained an object of providing a differentiation marker for an eye cell among the aforementioned problems, by providing a marker for identifying a cell having a high proliferation ability among corneal endothelial cells and/or the differentiation ability of a corneal endothelial cell, the marker comprising GPR49/LGR5, as well as a detection agent or detection method for identifying a cell having a high proliferation ability among corneal endothelial cells and/or the differentiation ability of a corneal endothelial cell, comprising a substance binding to GPR49/LGR5. In addition, the present invention has attained an object of providing a differentiation controlling technique for an eye cell, by providing an agent for suppressing differentiation and/or promoting proliferation of an eye cell, comprising R-spondins.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: April 11, 2017
    Assignees: KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, THE DOSHISHA, SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Takahiro Nakamura, Noriko Koizumi, Naoki Okumura, Shigeru Kinoshita, Kana Tominaga, Satoshi Kawasaki
  • Publication number: 20170096400
    Abstract: The main object of the present invention is to provide a novel compound which has a VEGF receptor tyrosine kinase inhibitory activity and is useful as an active ingredient for the treatment of diseases accompanying angiogenesis or edema, for example, age-related macular degeneration or the like. The present invention includes, for example, an alkynyl indazole derivative represented by the following general formula (I), a pharmaceutical acceptable salt thereof, and a medicine containing thereof.
    Type: Application
    Filed: March 30, 2015
    Publication date: April 6, 2017
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Norihiko TAKEDA, Tomoyo MIYABE, Shinnosuke MACHIDA, Mamiko MACHIDA, Takeshi NAKAJIMA
  • Publication number: 20170043017
    Abstract: The purpose of the present invention is to provide a polymer gel that can increase drug content ratio and reduce undesirable influence on gel strength and shape stability after the drug release, compared with the conventional techniques. The purpose can be achieved by an anionic drug-containing medical device comprising: (1) an anionic drug; and (2) a copolymer which contains, as constituents, a cationic monomer comprising a condensation product of an alkyl quaternary ammonium compound having a substituted or unsubstituted aralkyl group and (meth)acrylic acid or a salt of the condensation product and a monomer capable of copolymerizing with the condensation product or the salt of the condensation product.
    Type: Application
    Filed: April 16, 2015
    Publication date: February 16, 2017
    Applicants: SEED CO., LTD., SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Haruka OBATA, Kiyoshi SHOJI, Yoshiko YAMAZAKI, Toru MATSUNAGA, Takao SATO, Wakiko ASAYAMA, Shinichi YASUEDA
  • Patent number: 9561280
    Abstract: An aqueous liquid bromfenac composition containing (a) bromfenac or a salt thereof and (b) benzalkonium chloride, characterized by that the composition has preservative efficacy and that the concentration of (b) benzalkonium chloride is higher than 0.0005% and lower than 0.005%.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: February 7, 2017
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Shuichi Nishihata, Wakiko Asayama, Suzuka Iemoto
  • Patent number: 9561277
    Abstract: An aqueous liquid preparation of the present invention containing 2-amino-3-(4-bromobenzoyl)phenylacetic acid or its pharmacologically acceptable salt or a hydrate thereof, an alkyl aryl polyether alcohol type polymer such as tyloxapol, or a polyethylene glycol fatty acid ester such as polyethylene glycol monostearate is stable. Since even in the case where a preservative is incorporated into said aqueous liquid preparation, the preservative exhibits a sufficient preservative effect for a long time, said aqueous liquid preparation in the form of an eye drop is useful for the treatment of blepharitis, conjunctivitis, scleritis, and postoperative inflammation. Also, the aqueous liquid preparation of the present invention in the form of a nasal drop is useful for the treatment of allergic rhinitis and inflammatory rhinitis (e.g. chronic rhinitis, hypertrophic rhinitis, nasal polyp, etc.).
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 7, 2017
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Shirou Sawa, Shuhei Fujita