Patents Assigned to Dong-A Pharmaceutical Co., Ltd.
  • Patent number: 11268064
    Abstract: The present invention relates to heat-killed Lactobacillus rhamnosus conjugated to a polysaccharide polymer binder, a preparation method therefor and a use thereof. The heat-killed Lactobacillus rhamnosus conjugated to a polysaccharide polymer binder of the present invention has an excellent therapeutic effect for atopic diseases, and particularly has high industrial applicability because membrane adhesion competitiveness, which is an advantage of existing lactic acid bacteria, is significantly improved, thereby exhibiting dermatitis preventing, alleviating and treating effects of the same level as steroid-based drugs.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: March 8, 2022
    Assignee: IL DONG PHARMACEUTICAL CO., LTD.
    Inventors: Seung-Hun Lee, Dae-Jung Kang, Jae-Hoon Kang
  • Patent number: 10988449
    Abstract: The present invention relates to isoxazole derivatives, including pharmaceutical compositions and for the preparation of isoxazole derivatives. And more particularly the present invention provided a pharmaceutical composition of isoxazole derivatives for activation of Farnesoid X receptor (FXR, NR1H4).
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: April 27, 2021
    Assignee: IL DONG Pharmaceutical Co., Ltd.
    Inventors: Jae-Hoon Kang, Hong-Sub Lee, Yoon-Suk Lee, Jin-Ah Jeong, Sung-Wook Kwon, Jeong-Guen Kim, Kyung-Sun Kim, Dong-Keun Song, Sun-Young Park, Kyeo-Jin Kim, Ji-Hye Choi, Hey-Min Hwang
  • Patent number: 10919947
    Abstract: The present invention relates to a pharmaceutical composition containing, as an active ingredient, a fusion protein in which a tissue-penetrating peptide and an anti-vascular endothelial cell growth factor (anti-VEGF) agent are fused, for treating cancer or angiogenesis-related diseases. More specifically, the present invention relates to a use of the fusion protein for treating cancer or angiogenesis-related diseases, wherein the fusion protein improves the tissue penetrability of an anti-vascular endothelial cell growth factor agent and exerts a cancer targeting effect, thereby producing an excellent angiogenesis inhibiting effect and exhibiting a therapeutic effect on cancer showing resistance or unresponsiveness to the anti-VEGF agent.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: February 16, 2021
    Assignee: IL DONG PHARMACEUTICAL CO., LTD.
    Inventors: Hyuk-Sang Kwon, Jong-Hee Ko, Young-Min Lee, Hyei-Yoon Jung, Seok-Woo Yang, Jae-Hoon Kang, Yong-Sung Kim
  • Patent number: 10443033
    Abstract: The present invention relates to heat-killed Lactobacillus rhamnosus conjugated to a polysaccharide polymer binder, a preparation method therefor and a use thereof. The heat-killed Lactobacillus rhamnosus conjugated to a polysaccharide polymer binder of the present invention has an excellent therapeutic effect for atopic diseases, and particularly has high industrial applicability because membrane adhesion competitiveness, which is an advantage of existing lactic acid bacteria, is significantly improved, thereby exhibiting dermatitis preventing, alleviating and treating effects of the same level as steroid-based drugs.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: October 15, 2019
    Assignee: IL DONG PHARMACEUTICAL CO., LTD.
    Inventors: Seung-Hun Lee, Dae-Jung Kang, Jae-Hoon Kang
  • Patent number: 10278928
    Abstract: The present invention relates to a pharmaceutical composition for forming a film directly on a wound to accelerate wound healing, a use for the same, a treatment method using the same, and a method for preparing the same. The film-forming composition according to the present invention forms a film directly on the wound to increase the adhesion to the wound. The formed thin hydrophilic film protects the wound surface to prevent infection of the wound surface, retains the physiologically active substance useful for wound healing on the wound surface to promote the wound healing, and allow drugs to be continuously delivered to the wound surface. Therefore, the composition according to the present invention has excellent wound healing effect and has excellent usability as it is not absorbed into clothing, bandage, etc., thus effectively replacing conventional gel or ointment formations for delivering physiologically active substances.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 7, 2019
    Assignee: Dong-A Pharmaceutical Co., Ltd
    Inventors: Soon Hoe Kim, Mi Won Son, Sun Woo Jang, Joon Ho Jun, Sang Dug Han, Sung Rak Choi, Dae Hwan Kim, Yong Sung Sohn, Yong Sam Kwon
  • Patent number: 9249109
    Abstract: The present invention relates to an improved method for preparing dipeptidyl peptidase-IV inhibitor intermediates. The present invention is able to reduce preparation costs by using low cost reagents on reaction and is able to be used in mass production by improving yield.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: February 2, 2016
    Assignee: DONG-A PHARMACEUTICAL CO., LTD.
    Inventors: Woo Young Kwak, Heung Jae Kim, Jong Pil Min, Tae Hyun Yoon, Moohi Yoo, Geun Gho Lim, Sun Ki Chang
  • Patent number: 8598347
    Abstract: The present invention relates to an improved method for manufacturing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention allows reduction of production costs by reacting low cost reagents, improves yield and is adaptable for mass production.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 3, 2013
    Assignee: Dong-A Pharmaceutical. Co., Ltd
    Inventors: Woo Young Kwak, Heung Jae Kim, Jong Pil Min, Tae Hyun Yoon, Hyun Joo Shim, Moohi Yoo
  • Patent number: 8440669
    Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of diabetes or obesity comprising as active ingredients a compound which inhibits the activity of dipeptidyl peptidase-IV (DPP-IV), a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof, and one or more other antidiabetic or antiobesity agents. The pharmaceutical composition exhibits excellent glucose tolerance and may be useful in the prevention and treatment of diabetes, obesity, and the like by effectively inhibiting blood glucose levels and reducing fat mass.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: May 14, 2013
    Assignee: Dong-A Pharmaceutical Co. Ltd.
    Inventors: Chang Yell Shin, Song-Hyen Choi, Yu Na Chae, Eun Kyoung Yang, Gook Jun Ahn, Moon-Ho Son, Heung Jae Kim, Woo Young Kwak, Jong Pil Min, Tae Hyun Yoon, Soon Hoe Kim, Moohi Yoo
  • Patent number: 8420676
    Abstract: The present invention relates to novel derivatives of oxazolidinone, a method thereof and pharmaceutical compositions comprising the derivatives for use in an antibiotic. The oxazolidinone derivatives of the present invention show inhibitory activity against a broad spectrum of bacteria and lower toxicity. The prodrugs, prepared by reacting the compound having hydroxyl group with amino acid or phosphate, have an excellent efficiency on solubility thereof against water. Further, the derivatives of the present invention may exert potent antibacterial activity versus various human and animal pathogens, including Gram-positive bacteria such as, Staphylococci, Enterococci and Streptococci anaerobic microorganisms such as Bacteroides and Clostridia, and acid-resistant microorganisms such as Mycobacterium tuberculosis and Mycobacterium avium. Accordingly, the compositions comprising the oxazolidinone are used in an antibiotic.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: April 16, 2013
    Assignee: Dong-A Pharmaceuticals Co. Ltd.
    Inventors: Jae Keol Rhee, Weon Bin Im, Chong Hwan Cho, Sung Hak Choi, Tae Ho Lee
  • Patent number: 8282990
    Abstract: Disclosed are biodegradable microspheres, capable of releasing a glucose-regulating peptide in a controlled manner, comprising a biodegradable polymer carrier with the glucose -regulating peptide encapsulated therein, and methods for the preparation thereof. In addition to ensuring high encapsulation efficiency and high stability of the encapsulated drug, the microspheres shows neither an initial burst effect nor incomplete release and allows the zero -order release of drugs over a prolonged period of time, thus improving the therapeutic effect of the drug.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: October 9, 2012
    Assignee: Dong-A Pharmaceutical, Co., Ltd.
    Inventors: Hyun Hee Kwak, Ghun II Lee, Yong Man Park, Mi Kyung Son, Hi Chang Yang, Tae Hyoung Kim, Yoon Ji Kim, Byong Moon Kim, Sung Hee Lee, Soo Hyung Kang, Moohi Yoo
  • Patent number: 8242159
    Abstract: Disclosed herein are novel 1,3-dihydro-5-isobenzofurancarbonitrile derivatives represented by Formula 1, or pharmaceutically acceptable salts thereof. Also disclosed is a pharmaceutical composition for treating or preventing premature ejaculation including the compound. The 1,3-dihydro-5-isobenzofurancarbonitrile derivatives have a short half-life and inhibit the ejaculation process by selectively inhibiting serotonin reuptake via a serotonin reuptake transporter present in a presynaptic neuron. Thus, the compounds are useful in the treatment and prevention of premature ejaculation.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: August 14, 2012
    Assignee: Dong-A Pharmaceutical. Co., Ltd
    Inventors: Yeong Geon Lee, Soo-Jung Choi, Tae-Kyung Kang, Mi-Jeong Seo, Chang-Yong Shin, Kyung-Seok Lee, Gook-Jun Ahn, Seul-Min Choi, Yong-Duck Kim, Dong-Hwan Kim, Kyung-Koo Kang, Hyun-Joo Shim, Dong-Sung Kim, Byoung-Ok Ahn, Moo-Hi Yoo
  • Publication number: 20120016125
    Abstract: The present invention relates to an improved method for preparing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention is able to reduce preparation costs by using low cost reagents on reaction and is able to be used in mass production by improving yield.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 19, 2012
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Woo Young Kwak, Heung Jae Kim, Jong Pil Min, Tae Hyun Yoon, Moohi Yoo, Geun Gho Lim, Sun Ki Chang
  • Publication number: 20120016126
    Abstract: The present invention relates to an improved method for manufacturing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention allows reduction of production costs by reacting low cost reagents, improves yield and is adaptable for mass production.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 19, 2012
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Woo Young Kwak, Heung Jae Kim, Jong Pil Min, Tae Hyun Yoon, Hyun Joo Shim, Moohi Yoo
  • Patent number: 8030274
    Abstract: The present invention relates an agent comprising FGF2 (Fibroblast Growth Factor-2 or basic Fibroblast Growth Factor (bFGF)) as an effective ingredient for treatment or prevention of Asthma and Chronic Obstructive Pulmonary Disease (COPD). Also, The present invention relates Th1 asthma and COPD mouse animal model induced by Ovalbumin and double strand RNA. The therapeutic agent comprising FGF2 of the present invention can be used for treatment or prevention for airway fibrosis, airway inflammation, airway hyperresponsiveness, airway remodeling, asthma and COPD. Also, Th1 asthma and COPD mice animal model induced by Ovalbumin and double strand RNA can be used for development of therapeutic agent for asthma and COPD.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: October 4, 2011
    Assignee: Dong-A Pharmaceutical Co., Ltd.
    Inventors: Yoon-Keum Kim, Soo Hyung Kang, Byong Moon Kim, Miwon Son
  • Publication number: 20110201624
    Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of diabetes or obesity comprising as active ingredients a compound which inhibits the activity of dipeptidyl peptidase-IV (DPP-IV), a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof, and one or more other antidiabetic or antiobesity agents. The pharmaceutical composition exhibits excellent glucose tolerance and may be useful in the prevention and treatment of diabetes, obesity, and the like by effectively inhibiting blood glucose levels and reducing fat mass.
    Type: Application
    Filed: October 16, 2009
    Publication date: August 18, 2011
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Chang Yell Shin, Song-Hyen Choi, Yu Na Chae, Eun Kyoung Yang, Gook Jun Ahn, Moon-Ho Son, Heung Jae Kim, Woo Young Kwak, Jong Pil Min, Tae Hyun Yoon, Soon Hoe Kim, Moohi Yoo
  • Publication number: 20100240725
    Abstract: Disclosed herein are novel 1,3-dihydro-5-isobenzofurancarbonitrile derivatives represented by Formula 1, or pharmaceutically acceptable salts thereof. Also disclosed is a pharmaceutical composition for treating or preventing premature ejaculation including the compound. The 1,3-dihydro-5-isobenzofurancarbonitrile derivatives have a short half-life and inhibit the ejaculation process by selectively inhibiting serotonin reuptake via a serotonin reuptake transporter present in a presynaptic neuron. Thus, the compounds are useful in the treatment and prevention of premature ejaculation.
    Type: Application
    Filed: October 31, 2008
    Publication date: September 23, 2010
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Yeong Geon Lee, Soo-Jung Choi, Tae-Kyung Kang, Mi-Jeong Seo, Chang-Yong Shin, Kyung-Seok Lee, Gook-Jun Ahn, Seul-Min Choi, Yong-Duck Kim, Dong-Hwan Kim, Kyung-Koo Kang, Hyun-Joo Shim, Dong-Sung Kim, Byoung-Ok Ahn, Moo-Hi Yoo
  • Publication number: 20100173915
    Abstract: Disclosed herein is a therapeutic agent for chronic heart failure comprising, as an effective ingredient, 5-[2-propyloxy-5-(1-methyl-2-pyrrolidinyl-ethylamidosulfonyl)phenyl]-1-methyl-propyl-1,6-dihydro-7H-pyrazolo(4,3-d)pyrimidine-7-one. The compound inhibits phosphodiesterase-5 (PDE-5), which catalyzes the intracellular degradation of cyclic guanosine monophosphatase (cGMP), thereby mitigating several signs of chronic heart failure, that is, thereby preventing left ventricular dilatation, decreasing ventricular wall thinning, lowering elevated cardiac and circulating levels of atrial natriuretic peptide (ANP), and inhibiting ventricular fibrosis. Also, the compound has advantages in that it reaches the maximal plasma level in a short time, has an in vivo half-life longer than conventional PDE-5 inhibitors, allowing decreased administration frequency, and has fewer side effects, thus ensuring safety. Thus, the compound is useful as a therapeutic agent for chronic heart failure.
    Type: Application
    Filed: June 3, 2008
    Publication date: July 8, 2010
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Jee-Hyun Shin, Gook-Jun Ahn, Kyung-Koo Kang, Byoung-Ok Ahn, Moo-Hi Yoo
  • Publication number: 20100129459
    Abstract: Disclosed are biodegradable microspheres, capable of releasing a glucose-regulating peptide in a controlled manner, comprising a biodegradable polymer carrier with the glucose-regulating peptide encapsulated therein, and methods for the preparation thereof. In addition to ensuring high encapsulation efficiency and high stability of the encapsulated drug, the microspheres shows neither an initial burst effect nor incomplete release and allows the zero-order release of drugs over a prolonged period of time, thus improving the therapeutic effect of the drug.
    Type: Application
    Filed: April 18, 2008
    Publication date: May 27, 2010
    Applicant: DONG-A PHARMACEUTICAL. CO., LTD
    Inventors: Hyun Hee Kwak, Ghun Lee, II, Yong Man Park, Mi Kyung Son, Hi Chang Yang, Tae Hyoung Kim, Yoon Ji Kim, Byong Moon Kim, Sung Hee Lee, Soo Hyung Kang, Moohi Yoo
  • Publication number: 20090099357
    Abstract: The present invention relates to an agent for preventing and treating benign prostatic hyperplasia (BPH) and lower urinary tract symptoms (LUTS) associated with BPH and a relaxant for relaxing urethral smooth muscle or prostatic smooth muscle comprising a pyrazolopyrimidinone compound as an effective ingredient. The agent in accordance with the present invention can provide nitric oxides by inhibiting the activity of PDE-5 that decomposes c-GMP, and the provided nitric oxides relax the urethral smooth muscle or the prostatic smooth muscle to lower the intraurethral pressure (IUP), thus treating BPH and LUTS associated with BPH. Furthermore, the time required for reaching a maximum blood concentration is shorter and the half-life is longer than the other PDE-5 inhibitors, thus reducing the frequency of administration. Moreover, the agent of the invention causing few side effects can be efficiently used as a safe drug.
    Type: Application
    Filed: November 24, 2008
    Publication date: April 16, 2009
    Applicant: DONG-A PHARMACEUTICAL CO., LTD.
    Inventors: Jae Young YU, Seul Min CHOI, Kyung Koo KANG, Byoung Ok AHN, Moohi YOO
  • Publication number: 20080207646
    Abstract: The present invention relates to the pharmaceutical composition for prevention and treatment of liver diseases containing pyrazolopyrimidine derivative as all active ingredient. According to the present invention, pyrazolopyrimidine derivative has an excellent effect on inhibiting collagen synthesis in hepatic stellate cells and acts directly on the portal vein. Particularly, it may increase the diameter and the amount of blood flow of the portal vein, and finally decrease the pressure thereof. Therefore, pyrazolopyrimidine derivative can be used advantageously for prevention and treatment of hepatic fibrosis, liver cirrhosis caused by hepatic fibrosis, portal hypertension and various complications caused by portal hypertension. In addition, pyrazolopyrimidine derivative according to the present invention can reduce dosing frequency because of its long half-life, and therefore, has an advantage to improve the drug compliance of patients suffering from chronical liver diseases.
    Type: Application
    Filed: October 21, 2005
    Publication date: August 28, 2008
    Applicant: Dong-A Pharmaceutical Co. Ltd.
    Inventors: Seul Min Choi, Byoung Ok Ahn, Moohi Yoo