Patents Assigned to Dong-A ST Co., Ltd.
  • Patent number: 12240836
    Abstract: Provided herein are novel compounds, e.g., those of Formula (I), as GCN2 inhibitors. Also provided are pharmaceutical compositions including one or more of the novel compounds, and pharmaceutical uses thereof. Compounds provided herein can typically inhibit an activity of a GCN2 and thus can be used for treating or preventing diseases related thereto.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: March 4, 2025
    Assignee: Dong-A ST Co., Ltd.
    Inventors: Cheonhyoung Park, Kimoon Ryu, Tae-Hun Kim, Ha Yoon Kim, Eunhye Ju, Hyung Ki Lee, Youngjee Jeong, Doyoung Choi, Jun Hwan Moon, Nayeon Park, Iksoo Jang, Kyu Hwan Kim, Hyangsoo Lee, Min Jung Lee
  • Publication number: 20250000814
    Abstract: A percutaneous absorption preparation for the treatment of dementia is disclosed. The percutaneous absorption preparation contains a support layer, a drug-containing layer, and a release layer, wherein the drug-containing layer contains memantine enanthate, a solubilizer, and a pressure-sensitive adhesive. The percutaneous absorption preparation does not form crystal precipitation, shows high skin permeability, allows easy clinical control of the usable patch area, and allows control of the absorption rate by adjusting the rate of release, thus minimizing skin irritation, and provides an economic benefit of minimal waste of the drug while also preventing overdose of the drug.
    Type: Application
    Filed: September 1, 2022
    Publication date: January 2, 2025
    Applicant: DONG-A ST CO., LTD.
    Inventors: Sun-Woo JANG, Chang-Yell SHIN, Hae-Sun KIM, Sang-Min HYUN, Yong-Jik KIM, Chang-Yong SHIN, Jae-Han KIM
  • Patent number: 12168073
    Abstract: A percutaneous absorption preparation including donepezil for the treatment of dementia is disclosed. The percutaneous absorption preparation for the treatment of dementia includes a support layer, a drug-containing layer, and a release layer, wherein the drug-containing layer contains donepezil or a pharmaceutically acceptable salt thereof as an active ingredient; monothioglycerol, thiocyanate metal salt (preferably potassium salt) or dimethylthiourea as a stabilizer; and a pressure-sensitive adhesive. Also disclosed is a percutaneous absorption preparation for the treatment of dementia with reduced the formation of donepezil impurities.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: December 17, 2024
    Assignees: DONG-A ST CO., LTD., KM TRANSDERM LTD.
    Inventors: Sun-Woo Jang, Chang-Yell Shin, Hae-Sun Kim, Kwang-Ho Cha, Hyun-Jung Kim, Masaoki Goto
  • Patent number: 12115159
    Abstract: The present invention pertains to a pharmaceutical composition for preventing or treating non-alcoholic fatty liver disease, the composition containing G protein coupled receptor 119 (GPR119) ligand as an active ingredient. The pharmaceutical composition according to the present invention exhibits the excellent effects of improving lipid metabolism, reducing fat accumulation in liver tissues, and preventing histological damage caused by inflammation and fibrosis in liver tissues, and can thus be useful in preventing or treating non-alcoholic fatty liver disease.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: October 15, 2024
    Assignee: Dong-A St Co., Ltd.
    Inventors: Mi-Kyung Kim, Bo Ram Lee, Hansu Park, Seung Ho Lee, Yu Na Chae
  • Patent number: 11992562
    Abstract: A percutaneous absorption preparation is disclosed. The percutaneous absorption preparation contains donepezil for treatment of dementia, wherein the preparation includes: (a) donepezil or its pharmaceutically acceptable salt as active component, (b) propylene glycol monocaprylate as solubilizer, and (c) styrene-isoprene-styrene block copolymer (“SIS”) as adhesive. The percutaneous absorption preparation has low skin irritation and high skin penetration.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 28, 2024
    Assignees: DONG-A ST CO., LTD., KM TRANSDERM LTD.
    Inventors: Sun-Woo Jang, Chang-Yell Shin, Jeong-Soo Kim, Hae-Sun Kim, Kwang-Ho Cha, Hyun-Jung Kim, Masaoki Goto
  • Patent number: 11840574
    Abstract: The present invention relates to an antibody that specifically binds to death receptor 5 (DR5) and has a function of killing cancer cells. Specifically, provided are an anti-DR5 antibody or antigen-binding fragment thereof, and a use of the antibody or antigen-binding fragment for preventing or treating cancer. The present invention is characterized in that the anti-DR5 antibody or antigen-binding fragment thereof is improved in terms of affinity to DR5, stability, and an effect of killing cancer cells.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 12, 2023
    Assignee: DONG-A ST CO., LTD.
    Inventors: Hyounmie Doh, Dongsop Lee, Hanyoung Lee, Yoojin Kim, Kyungmi Han, Eunee Jung, Donghyeon Kim, Eongsup Song, Kum-Joo Shin, Soyon Woo
  • Patent number: 11713344
    Abstract: A novel peptide analog of acylated oxyntomodulin and its uses are disclosed. A pharmaceutical composition containing the novel peptide analog is useful and effective for preventing and treating obesity or overweightness, or diabetes accompanied by obesity and overweightness. The peptide analog and a composition containing the peptide analog are superior to those of wild-type oxyntomodulin in dual agonism on GLP-1 and glucagon receptors and longer in vivo half-life. A pharmaceutical composition containing the peptide analog is effective in the treatment of metabolic diseases such as obesity and diabetes mellitus.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 1, 2023
    Assignee: DONG-A ST CO., LTD.
    Inventors: Jae-Sung Yang, Kyung-Seok Lee, Yu-Na Chae, Gye-Rim Baek, Tae-Hyoung Kim, Ill-Hun Jung, Chae-Lim Ryu, Weon-Bin Im
  • Publication number: 20230220035
    Abstract: A novel long-acting acylated oxyntomodulin peptide analogue having dual agonism on GLP-1 and glucagon receptors (dual GLP-1R/GlucagonR agonism) and a pharmaceutical composition including the same are disclosed. The novel long-acting acylated oxyntomodulin peptide analogue and the composition are useful for the prevention and treatment of obesity and overweight, or non-insulin-dependent diabetes accompanied by obesity and overweight. The acylated oxyntomodulin peptide analog has dual agonism for GLP-1/glucagon receptors and has an excellent increased in vivo half-life, and the pharmaceutical composition containing the same is useful for the treatment of metabolic diseases such as obesity and diabetes.
    Type: Application
    Filed: April 15, 2021
    Publication date: July 13, 2023
    Applicant: DONG-A ST CO., LTD.
    Inventors: Jae-Sung YANG, Kyung-Seok LEE, Yu-Na CHAE, Tae-Hyoung KIM, Ill-Hun JUNG, Chae-Lim RYU, Dae-Young LEE
  • Publication number: 20230201131
    Abstract: A percutaneous absorption preparation for the treatment of dementia wherein the drug-containing layer contains donepezil or a pharmaceutically acceptable salt thereof as an active ingredient and a stabilizer that is either (i) a mixture of a thiocyanate salt and a compound selected from the group consisting of tea catechin, (+)-catechin, epigallocatechin gallate, ascorbic acid, and isoascorbic acid, or (ii) a mixture of monothioglycerol and a compound selected from the group consisting of tea catechin, (+)-catechin, epigallocatechin gallate, and ascorbic acid is disclosed. The percutaneous absorption preparation meets the criteria of Procedure 1 and Procedure 2 of the U.S. Pharmacopoeia in short-term stress test (70° C. 48 hours storage), long-term accelerated test 1 (40° C. relative humidity 75% 1 month storage), and long-term accelerated test 2 (40° C. relative humidity 75% 3 months storage), and exhibits improved stability for long-term preservation.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 29, 2023
    Applicants: DONG-A ST CO., LTD., KM TRANSDERM LTD.
    Inventors: Sun-Woo JANG, Chang-Yell SHIN, Hae-Sun KIM, Kwang-Ho CHA, Hyun-jung KIM, Sang-Min HYUN, Masaoki GOTO
  • Publication number: 20220119473
    Abstract: A novel peptide analog of acylated oxyntomodulin and its uses are disclosed. A pharmaceutical composition containing the novel peptide analog is useful and effective for preventing and treating obesity or overweightness, or diabetes accompanied by obesity and overweightness. The peptide analog and a composition containing the peptide analog are superior to those of wild-type oxyntomodulin in dual agonism on GLP-1 and glucagon receptors and longer in vivo half-life. A pharmaceutical composition containing the peptide analog is effective in the treatment of metabolic diseases such as obesity and diabetes mellitus.
    Type: Application
    Filed: August 24, 2021
    Publication date: April 21, 2022
    Applicant: DONG-A ST CO., LTD.
    Inventors: Jae-Sung YANG, Kyung-Seok LEE, Yu-Na CHAE, Gye-Rim BAEK, Tae-Hyoung KIM, Ill-Hun JUNG, Chae-Lim RYU, Weon-Bin IM
  • Publication number: 20220047524
    Abstract: A percutaneous absorption preparation including donepezil for the treatment of dementia is disclosed. The percutaneous absorption preparation for the treatment of dementia includes a support layer, a drug-containing layer, and a release layer, wherein the drug-containing layer contains donepezil or a pharmaceutically acceptable salt thereof as an active ingredient; monothioglycerol, thiocyanate metal salt (preferably potassium salt) or dimethylthiourea as a stabilizer; and a pressure-sensitive adhesive. Also disclosed is a percutaneous absorption preparation for the treatment of dementia with reduced the formation of donepezil impurities.
    Type: Application
    Filed: September 5, 2019
    Publication date: February 17, 2022
    Applicants: DONG-A ST CO., LTD, KM TRANSDERM LTD.
    Inventors: Sun-Woo JANG, Chang-Yell SHIN, Hae-Sun KIM, Kwang-Ho CHA, Hyun-Jung KIM, Masaoki GOTO
  • Patent number: 11236142
    Abstract: The present invention relates to a novel peptide analog of acylated oxyntomodulin and a pharmaceutical composition comprising the same for preventing and treating obesity or overweightness, or diabetes accompanied by obesity and overweightness. The peptides are superior to those of natural oxyntomodulin in dual agonism on GLP-1 and glucagon receptors and longer in vivo half-life. A pharmaceutical composition comprising said peptides is effective in the treatment of metabolic diseases such as obesity and diabetes mellitus.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: February 1, 2022
    Assignee: DONG-A ST CO., LTD.
    Inventors: Jae-Sung Yang, Kyung-Seok Lee, Yu-Na Chae, Gye-Rim Baek, Tae-Hyoung Kim, Ill-Hun Jung, Chae-Lim Ryu, Weon-Bin Im
  • Publication number: 20210113648
    Abstract: Disclosed are a pharmaceutical composition and a health functional food for the prevention and treatment of diabetic peripheral neuropathy, comprising an herb extract of a mixture of 3.5:1 Dioscorea Rhizoma:Dioscorea nipponica (w/w). Having the ability to synergistically increase in vivo levels of nerve growth factor, compared to the extracts from the herbs alone or herb mixtures of other weight ratios, the mixed herb extract is effective for preventing the apoptosis of nerve cells and promoting nerve regeneration. Thus, it can be applied to pharmaceutical compositions and health functional foods preventive and curative of diabetic peripheral neuropathy.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 22, 2021
    Applicant: DONG-A ST CO., LTD.
    Inventors: Soon-Hoe KIM, Mi-Won SON, Sang-Zin CHOI, Hye-Ju KIM, Ja-Young RYU, Sun-Yeou KIM
  • Publication number: 20210059956
    Abstract: A percutaneous absorption preparation is disclosed. The percutaneous absorption preparation contains donepezil for treatment of dementia, wherein the preparation includes: (a) donepezil or its pharmaceutically acceptable salt as active component, (b) propylene glycol monocaprylate as solubilizer, and (c) styrene-isoprene-styrene block copolymer (“SIS”) as adhesive. The percutaneous absorption preparation has low skin irritation and high skin penetration.
    Type: Application
    Filed: November 7, 2018
    Publication date: March 4, 2021
    Applicants: DONG-A ST CO., LTD., KM TRANSDERM LTD.
    Inventors: Sun-Woo JANG, Chang-Yell SHIN, Jeong-Soo KIM, Hae-Sun KIM, Kwang-Ho CHA, Hyun-Jung KIM, Masaoki GOTO
  • Patent number: 10894768
    Abstract: The present invention relates to a novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and a crystal form thereof. Also, the novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3?-chloro-4?-fluoro-[1,1?-biphenyl]-2-yl)carbamate and the crystal form thereof according to examples of the present invention have remarkably excellent stability, hygroscopicity and solubility.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: January 19, 2021
    Assignee: Dong-A St Co., Ltd.
    Inventors: Woo Young Kwak, Chang-Yong Shin, Punna Reddy Ullapu, Sun-Ho Choi, Min-Jung Lee, Ji-Su Kim
  • Publication number: 20200397845
    Abstract: This invention relates to a pharmaceutical composition and a health functional food for preventing or improving neurodegenerative disorders comprising mixed herb extracts of Dioscorea Rhizoma and Dioscorea nipponica in a weight ratio of 3.5:1 (w/w). The herb extracts mixed Dioscorea Rhizoma and Dioscorea nipponica in a weight ratio of 3.5:1 have the synergetic effects on increasing the amount of nerve growth factor in vivo, increasing the neural cell proliferation, promoting the formation of neuritis and enhancing cognitive abilities. Thus, the herb extracts of the present invention may be used for a pharmaceutical composition and a health functional food for preventing or treating neurodegenerative disorders.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 24, 2020
    Applicant: DONG-A-ST Co., Ltd.
    Inventors: Soon Hoe KIM, Mi-Won SON, Sang-Zin CHOI, Hye-Ju KIM, Ja-Young RYU, Sun-Yeou KIM
  • Publication number: 20200354425
    Abstract: The present invention relates to a novel peptide analog of acylated oxyntomodulin and a pharmaceutical composition comprising the same for preventing and treating obesity or overweightness, or diabetes accompanied by obesity and overweightness. The peptides are superior to those of natural oxyntomodulin in dual agonism on GLP-1 and glucagon receptors and longer in vivo half-life. A pharmaceutical composition comprising said peptides is effective in the treatment of metabolic diseases such as obesity and diabetes mellitus.
    Type: Application
    Filed: August 16, 2018
    Publication date: November 12, 2020
    Applicant: DONG-A ST CO., LTD.
    Inventors: Jae-Sung YANG, Kyung-Seok LEE, Yu-Na CHAE, Gye-Rim BAEK, Tae-Hyoung KIM, Ill-Hun JUNG, Chae-Lim RYU, Weon-Bin IM
  • Patent number: 10813973
    Abstract: Disclosed are a pharmaceutical composition and a health functional food for the prevention and treatment of diabetic peripheral neuropathy, comprising an herb extract of a mixture of 3.5:1 Dioscorea Rhizoma:Dioscorea nipponica (w/w). Having the ability to synergistically increase in vivo levels of nerve growth factor, compared to the extracts from the herbs alone or herb mixtures of other weight ratios, the mixed herb extract is effective for preventing the apoptosis of nerve cells and promoting nerve regeneration. Thus, it can be applied to pharmaceutical compositions and health functional foods preventive and curative of diabetic peripheral neuropathy.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: October 27, 2020
    Assignee: DONG-A ST CO., LTD.
    Inventors: Soon-Hoe Kim, Mi-Won Son, Sang-Zin Choi, Hye-Ju Kim, Ja-Young Ryu, Sun-Yeou Kim
  • Patent number: 10709752
    Abstract: This invention relates to a pharmaceutical composition and a health functional food for preventing or improving neurodegenerative disorders comprising mixed herb extracts of Dioscorea Rhizoma and Dioscorea nipponica in a weight ratio of 3.5:1 (w/w). The herb extracts mixed Dioscorea Rhizoma and Dioscorea nipponica in a weight ratio of 3.5:1 have the synergetic effects on increasing the amount of nerve growth factor in vivo, increasing the neural cell proliferation, promoting the formation of neuritis and enhancing cognitive abilities. Thus, the herb extracts of the present invention may be used for a pharmaceutical composition and a health functional food for preventing or treating neurodegenerative disorders.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: July 14, 2020
    Assignee: DONG-A ST CO., LTD.
    Inventors: Soon-Hoe Kim, Mi-Won Son, Sang-Zin Choi, Hye-Ju Kim, Ja-Young Ryu, Sun-Yeou Kim
  • Patent number: 10660928
    Abstract: The present invention relates to a pharmaceutical composition for treating and preventing degenerative neurological disorders, containing, as an active ingredient, a mixture extract of two or more types selected from the group consisting of Moutan Root Bark, Angelica Dahurica Root, and Bupleurum Root, or a fraction thereof.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: May 26, 2020
    Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, DONG-A ST CO., LTD.
    Inventors: Youngmi Kim, Myung Sook Oh, Seon-Pyo Hong, Mi Won Sohn, Jin Seok Jeong, Hai Hua Jiang, Eunjin Kim, Ja Young Ryu, Young Woong Cho, Xiao Fei Du, Sang Zin Choi, Jeong Soo Kim, Byoung Moon Kim