Patents Assigned to CTC BIO Inc.
  • Patent number: 11266658
    Abstract: The present disclosure relates to an orally administered pharmaceutical formulation containing an inclusion complex formed as varenicline or a pharmaceutically acceptable salt thereof is included in cyclodextrin. The pharmaceutical formulation can improve convenience of medication by effectively masking the bitter taste of the drug and the irritation during swallowing, can provide the oxidation stability of varenicline and can improve the solubility of the drug.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: March 8, 2022
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seul Ki Meang, Su-Jun Park, Seong-Shin Kwak
  • Patent number: 11116769
    Abstract: The present disclosure relates to a film formulation for oral administration, containing tadalafil free base and a method of preparing the same, and a film may be provided with maximized dispersion stability of tadalafil free base in the film by the addition of a dispersion stabilizing agent in small amounts without unique fragrance or favor that may appear when other dispersion stabilizing agents known in the art are used, and an extremely low likelihood that a reagglomeration phenomenon of tadalafil free base particles will occur, and an amount of bubbles generated may be significantly reduced during a production process.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: September 14, 2021
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Su-Jun Park, Bong-Geun Cha, Jun-Ki Kim, Jiyeong Han, Myeongcheol Kil
  • Publication number: 20200276113
    Abstract: The present disclosure relates to a pharmaceutical preparation having varenicline or a pharmaceutically acceptable salt thereof as an active ingredient. More particularly, it relates to an orally administered pharmaceutical preparation which allows limited use of a sweetening agent or a flavoring agent by effectively masking the unique taste of varenicline, particularly bitterness, which is a bitter and burning taste, and ensures convenience in taking the pharmaceutical preparation by being orally administrable without irritation, while containing a pharmaceutically effective amount of varenicline or a pharmaceutically acceptable salt thereof, and a method for preparing the same.
    Type: Application
    Filed: January 9, 2017
    Publication date: September 3, 2020
    Applicants: CTC BIO, INC., CTC BIO, INC.
    Inventors: Hong Ryeol JEON, Bong-Sang LEE, Su-Jun PARK, Jiyeong HAN, Myeongcheol KIL, Min Seop KIM, Seul Ki MEANG
  • Patent number: 10512610
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 24, 2019
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Bong-Sang Lee, Seong-Shin Kwak, Dong-Jin Lee, Hyun-Jung Park, Jung-Hwa Kim
  • Publication number: 20190224208
    Abstract: The present invention relates to a pharmaceutical composition for treating, preventing or improving premature ejaculation, which is taken on demand prior to sexual activity, the composition comprising clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15 mg, as an active ingredient. More preferably, the composition of the present invention further comprises pregelatinized starch and sodium starch glycolate. The pharmaceutical composition of the present invention can provide rapid onset of efficacy, reduce a dissolution (absorption) deviation according to the patient's gastrointestinal pH conditions and minimize side effects.
    Type: Application
    Filed: April 4, 2019
    Publication date: July 25, 2019
    Applicant: CTC Bio, Inc.
    Inventors: Hong-Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seong-Shin Kwak, Sun-Ahe Lee, Hyun-Jung Park, Jeong-Hwa Yoo
  • Patent number: 10213437
    Abstract: The present invention relates to a pharmaceutical preparation for oral administration comprising, as an active ingredient, clomipramine or a pharmaceutically acceptable salt thereof; and a cation exchange resin and an anion polymer as a taste masking agent, wherein the pharmaceutical preparation can be orally administered even while comprising a pharmaceutically effective amount of clomipramine because the unique tastes of clomipramine, particularly, all of the bitter taste, spicy taste and burning taste are effectively masked, and thus the convenience of drug intake and portability is improved, and a method for manufacturing thereof.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: February 26, 2019
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Su-Jun Park, Jiyeong Han, Myeongcheol Kil, Min Seop Kim
  • Publication number: 20190000976
    Abstract: The present invention relates to a purgative composition containing polyethylene glycol and sodium picosulfate, wherein the stability of sodium picosulfate is improved by adding a pH controller. According to the present invention, the purgative composition ensures the stability of medicinal ingredients and has a great advantage of having a small dose even while showing a bowel cleansing rate greater than or equal to a commercial preparation, which should be taken in a large dose. In addition, according to the present invention, the composition has high compliance due to a good taste.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 3, 2019
    Applicant: CTC BIO,INC.
    Inventors: Hong Ryeol JEON, Bong-Sang LEE, Hyun-Ii KIM, Han-Seung LEE
  • Patent number: 10045944
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 14, 2018
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Bong-Sang Lee, Seong-Shin Kwak, Dong-Jin Lee, Hyun-Jung Park, Jung-Hwa Kim
  • Patent number: 10045993
    Abstract: The present invention relates to a pharmaceutical preparation comprising entecavir as an active ingredient, wherein an antioxidizing agent is added to enhance stability of entecavir, and a method for preparing the same. According to the present invention, the invention has an effect that entecavir can be stably maintained in a pharmaceutical preparation containing a certain amount or more of moisture by adding the antioxidizing agent, thereby a pharmaceutical preparation can be provided as a formulation containing a certain amount or more of moisture, for example, an orally disintegrating film formulation.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: August 14, 2018
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Su-Jun Park, Jiyeong Han, Myeongcheol Kil, Min Seop Kim
  • Patent number: 10004769
    Abstract: The present invention relates to a novel Lactobacillus brevis G-101 strain capable of decomposing monosodium L-glutamate (MSG), and a functional health food, a pharmaceutical composition, or a food product comprising the same as an active ingredient. More specifically, the strain is effective in reducing in vivo blood MSG levels of animals and attenuating MSG Symptom Complex, and thus can be used in a functional health food, a pharmaceutical composition, or a food product aiming to prevent in vivo absorption of MSG, which is known to be harmful, and improve the MSG Symptom Complex.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: June 26, 2018
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Yoon-Mo Kang, Byeong-Gon Lee, Se-Young Kim, Go-Eun Shin
  • Patent number: 9907759
    Abstract: The present invention provides a method for preparing a film comprising a high amount of a sildenafil free base uniformly dispersed therein and having a suitable thickness and size, as well as flexibility providing good handling stability and being not prone to breaking. The present invention also provides a sildenafil free base-containing film prepared from the method.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: March 6, 2018
    Assignee: CTC Bio, Inc.
    Inventors: Hong-Ryeol Jeon, Bong-Sang Lee, Su-Jun Park, Bong-Geun Cha, Jun-Ki Kim
  • Patent number: 9504721
    Abstract: The present invention relates to a novel phage, which is newly isolated and identified, a composition for inhibiting growth of bacteria or killing thereof comprising the same as an active ingredient, and the present invention can be diversely used as a composition for preventing or treating bacterial infectious diseases, a composition for treating ballast water, an antibiotic, an antiseptic, a feed additive and the like.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: November 29, 2016
    Assignee: CTC BIO, INC.
    Inventors: Ki-Hong Sung, Dae-Keon Choi, Jae-Hoon Kim
  • Patent number: 9492446
    Abstract: The present invention relates to a method for preparing an itraconazole-containing solid dispersion. The itraconazole-containing solid dispersion according to the preparing method of the present invention has both improved solubility and rapid dissolution rate so that it has an excellent bioavailability. The itraconazole-containing solid dispersion of the present invention is also independent of pH variation of human stomach so that it can minimize the absorption variation of intra- and inter-individuals. In addition, the itraconazole-containing solid dispersion according to the preparing method of the present invention is stable for a long time. The present invention also provides an economical and environment-friendly method for manufacturing an itraconazole-containing composition because the method adds a lactic acid in a solution comprising itraconazole to decrease the amount of an organic solvent needed to dissolve itraconazole.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: November 15, 2016
    Assignees: CTC BIO, Inc.
    Inventors: Hong-Ryeol Jeon, Se-Geun Yu, Bong-Sang Lee, Se-Heum Oh, Jeong-Seo Park, Dong-Ryun Oh, Do-Woo Kwon
  • Patent number: 9339511
    Abstract: The present invention provides choline alfoscerate-containing pharmaceutical preparations which have improved storage-stability and are easily taken. The present invention also provides a method for manufacturing pharmaceutical preparations comprising choline alfoscerate, which is easy and simple and is performed by normal manufacturing equipments.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: May 17, 2016
    Assignee: CTC Bio, Inc.
    Inventors: Bong-Sang Lee, Su-Jun Park, Do-Woo Kwon, Hong-Ryeol Jeon
  • Publication number: 20160081990
    Abstract: The present invention provides a method for producing a film which contains a tasteless donepezil-free base, has an appropriate size and thickness, has flexibility for providing stability when handled so as to not easily tear, and has a uniformly dispersed donepezil-free base. In addition, the present invention provides a film containing the donepezil-free base produced through the method.
    Type: Application
    Filed: May 12, 2014
    Publication date: March 24, 2016
    Applicant: CTC BIO, INC.
    Inventors: Hong Ryeol JEON, Do-Woo KWON, Bong-Sang LEE, Su-Jun PARK, Bong-Geun CHA, Jun-Ki KIM, Ji-yeong HAN, Myeong-cheol KIL
  • Publication number: 20160074396
    Abstract: The present disclosure relates to a film formulation for oral administration, containing tadalafil free base and a method of preparing the same, and a film may be provided with maximized dispersion stability of tadalafil free base in the film by the addition of a dispersion stabilizing agent in small amounts without unique fragrance or favor that may appear when other dispersion stabilizing agents known in the art are used, and an extremely low likelihood that a reagglomeration phenomenon of tadalafil free base particles will occur, and an amount of bubbles generated may be significantly reduced during a production process.
    Type: Application
    Filed: April 11, 2014
    Publication date: March 17, 2016
    Applicant: CTC BIO, INC.
    Inventors: Hong Ryeol JEON, Do-Woo KWON, Bong-Sang LEE, Su-Jun PARK, Bong-Geun CHA, Jun-Ki KIM, Jiyeong HAN, Myeongcheol KIL
  • Publication number: 20140200210
    Abstract: The present invention relates to a pharmaceutical composition for treating, preventing or improving premature ejaculation, which is taken on demand prior to sexual activity, the composition comprising clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15 mg, as an active ingredient. More preferably, the composition of the present invention further comprises pregelatinized starch and sodium starch glycolate. The pharmaceutical composition of the present invention can provide rapid onset of efficacy, reduce a dissolution (absorption) deviation according to the patient's gastrointestinal pH conditions and minimize side effects.
    Type: Application
    Filed: June 28, 2012
    Publication date: July 17, 2014
    Applicant: CTC BIO, INC.
    Inventors: Hong-Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seong-Shin Kwak, Sun-Ahe Lee, Hyun-Jung Park, Jeong-Hwa Yoo
  • Publication number: 20140100192
    Abstract: The present invention provides choline alfoscerate-containing pharmaceutical preparations which have improved storage-stability and are easily taken. The present invention also provides a method for manufacturing pharmaceutical preparations comprising choline alfoscerate, which is easy and simple and is performed by normal manufacturing equipments.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: CTC BIO, INC.
    Inventors: Bong-Sang LEE, Su-Jun PARK, Do-Woo KWON, Hong-Ryeol JEON
  • Patent number: 8633176
    Abstract: The present invention provides choline alfoscerate-containing pharmaceutical preparations which have improved storage-stability and are easily taken. The present invention also provides a method for manufacturing pharmaceutical preparations comprising choline alfoscerate, which is easy and simple and is performed by normal manufacturing equipments.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: January 21, 2014
    Assignee: CTC Bio, Inc.
    Inventors: Bong-Sang Lee, Su-Jun Park, Do-Woo Kwon, Hong-Ryeol Jeon
  • Publication number: 20130323209
    Abstract: The present invention relates to a novel phage, which is newly isolated and identified, a composition for inhibiting growth of bacteria or killing thereof comprising the same as an active ingredient, and the present invention can be diversely used as a composition for preventing or treating bacterial infectious diseases, a composition for treating ballast water, an antibiotic, an antiseptic, a feed additive and the like.
    Type: Application
    Filed: February 7, 2013
    Publication date: December 5, 2013
    Applicant: CTC BIO, INC.
    Inventors: Ki-Hong Sung, Dae-Keon Choi, Jae-Hoon Kim