Patents by Inventor Yu-Hsing Tu

Yu-Hsing Tu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250144106
    Abstract: Disclosed are ready to use non-aqueous solutions of lamotrigine. The lamotrigine is dissolved in a solvent, wherein the solvent comprises propylene glycol and optionally at least one co-solvent, and wherein if water is present in the ready to use non-aqueous solution, the water is not at least one co-solvent. Also disclosed are methods for treating a neurological disorder or a mental disorder by administering the ready to use non-aqueous solutions of lamotrigine, processes for preparing ready to use non-aqueous solutions of lamotrigine, and kits containing lamotrigine to prepare ready to use non-aqueous solutions of lamotrigine.
    Type: Application
    Filed: July 9, 2024
    Publication date: May 8, 2025
    Inventors: Yu-Hsing Tu, Yingjun Fan, Kalyan Kathala, Ashok Perumal, James A. Lee
  • Patent number: 12290503
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: January 11, 2024
    Date of Patent: May 6, 2025
    Assignee: Tulex Pharmaceuticals Inc.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Publication number: 20250134883
    Abstract: The present disclosure is directed to coated drug ion exchange particles and granules containing a resinous core, one or more active pharmaceutical agents and a coating comprising a cellulose acetate polymer optionally in combination with an enteric polymer. Related compositions and methods of making are disclosed.
    Type: Application
    Filed: January 26, 2023
    Publication date: May 1, 2025
    Inventors: Yu-Hsing TU, Yingjun FAN, Kalyan Kumar KATHALA, Ashok Perumal, Shanmuka Harish CHALAMURI
  • Publication number: 20250090623
    Abstract: Provided herein are desmopressin oral liquid formulations. Also provided herein are methods of making and using desmopressin oral liquid compositions for the treatment of certain diseases including diabetes insipidus, enuresis, hemophilia A, von willebrand disease, high blood urea levels and others.
    Type: Application
    Filed: November 21, 2024
    Publication date: March 20, 2025
    Inventors: Yu-Hsing TU, Kalyan KATHALA, Romona BHATTACHARYA, Yingjun FAN, Ashok PERUMAL
  • Patent number: 12214010
    Abstract: Provided herein are desmopressin oral liquid formulations. Also provided herein are methods of making and using desmopressin oral liquid compositions for the treatment of certain diseases including diabetes insipidus, enuresis, hemophilia A, von willebrand disease, high blood urea levels and others.
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: February 4, 2025
    Assignee: Tulex Pharmaceuticals Inc.
    Inventors: Yu-Hsing Tu, Kalyan Kathala, Romona Bhattacharya, Yingjun Fan, Ashok Perumal
  • Publication number: 20240366505
    Abstract: There is disclosed a liquid resin extended-release oral naltrexone formulation suspension comprising from about 1.0 mg/ml to about 10.0 mg/ml naltrexone in a resin, wherein no more than 30% of the total naltrexone dose administered is released within one hour and wherein no more than 60% of the total naltrexone dose administered is released within two hours. Specifically, there is disclosed a method for treating a child with an autism-type disorder with approximately a teaspoon (about 5 ml) of a liquid resin extended-release oral naltrexone formulation suspension comprising from about 1.0 mg/ml to about 10.0 mg/ml naltrexone in a resin, wherein no more than 30% of the total naltrexone dose administered is released within one hour and wherein no more than 60% of the total naltrexone dose administered is released within two hours.
    Type: Application
    Filed: July 19, 2024
    Publication date: November 7, 2024
    Applicant: AARDVARK THERAPEUTICS, INC.
    Inventors: Tien-Li LEE, Zhenhuan ZHENG, Yu-Hsing TU
  • Publication number: 20240335501
    Abstract: Provided herein are desmopressin oral liquid formulations. Also provided herein are methods of making and using desmopressin oral liquid compositions for the treatment of certain diseases including diabetes insipidus, enuresis, hemophilia A, von willebrand disease, high blood urea levels and others.
    Type: Application
    Filed: April 3, 2024
    Publication date: October 10, 2024
    Inventors: Yu-Hsing TU, Kalyan KATHALA, Romona BHATTACHARYA, Yingjun FAN, Ashok PERUMAL
  • Publication number: 20240299307
    Abstract: The present disclosure provides extended release atomoxetine compositions suitable for once-daily administration. The compositions comprise a core comprising atomoxetine or a pharmaceutically acceptable salt thereof; and a functional coat/extended release coat over the core. The extended release compositions of the disclosure provide a lag time of at least about 30 minutes during which compositions release less than or equal to 20% of atomoxetine or the pharmaceutically acceptable salt thereof, based on the total weight of atomoxetine or a pharmaceutically acceptable salt thereof present in the composition, measured in 900 mL of a dissolution medium comprising 0.05 M pH 6.8 buffer, using USP Apparatus II (paddle) at 50 rpm and 37° C.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 12, 2024
    Applicant: Tulex Pharmaceuticals, Inc.
    Inventors: Yu-Hsing Tu, Shanmuka Harish Chalamuri, Kalyan Kathala, Ashok Perumal, James A. Lee
  • Publication number: 20240277656
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: January 11, 2024
    Publication date: August 22, 2024
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Patent number: 11911362
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: February 27, 2024
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Patent number: 11890267
    Abstract: A modified release benzonatate solid tablet or capsule is described which comprises a benzonatate adsorbate in a matrix with a sufficient amount of one or more pharmaceutically acceptable modified release pH-independent, substances to provide a modified release profile to the benzonatate, wherein there is substantially no benzonatate release from the tablet or capsule in the buccal cavity and no more than about 25% release of the benzonatate within 1 hour as determined in an in vitro dissolution assay.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: February 6, 2024
    Assignee: TRIS PHARMA INC
    Inventors: Andrea Nelson, Quin-Zene Chen, Harsh Mehta, Yu-Hsing Tu
  • Patent number: 11826343
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: November 28, 2023
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Publication number: 20230372328
    Abstract: The present disclosure relates to oral delayed burst formulations comprising naltrexone or naloxone. The present disclosure also relates to doses, capsules, and tablets comprising the oral delayed burst formulation. The present disclosure also relates to methods of treating chronic pain, fibromyalgia, and long-Covid using the oral delayed burst formulation, doses, capsules, and tablets.
    Type: Application
    Filed: April 5, 2023
    Publication date: November 23, 2023
    Inventors: Shanmuka Harish CHALAMURI, Ashok PERUMAL, Yu-Hsing TU, Tien-Li LEE, Zhenhuan ZHENG
  • Publication number: 20230355574
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Publication number: 20230233522
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 27, 2023
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Publication number: 20230233542
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate - ion exchange resin complex, a barrier coated methylphenidate - ion exchange resin complex -matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 27, 2023
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Publication number: 20230233683
    Abstract: An oral amphetamine extended release liquid suspension is described. The compositions contain a combination of an uncoated amphetamine-cation exchange resin complex, a barrier coated amphetamine-cation exchange resin complex-matrix, and an uncomplexed amphetamine, wherein one or more of these components contains blends of different forms of amphetamines. Either the modified release coated and/or the uncoated amphetamine-cation exchange resin complex may have two forms of amphetamine in a complex with a single cation exchange resin. Following administration of a single dose of the composition, a therapeutically effective amount of amphetamine is reached by about one hour and the composition provides at least a thirteen hour effect post-dose.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 27, 2023
    Inventors: Ketan Mehta, Kalyan Kathala, Yu-Hsing Tu
  • Publication number: 20230165837
    Abstract: An oral clonidine dosage unit providing a twenty-four hour extended release profile following a single dose administration is provided. The dosage unit comprises a pharmaceutically effective amount of a coated complex comprising clonidine bound to a cationic exchange resin, which is characterized by a twenty-four hour release profile with a single peak, wherein said oral clonidine dosage unit provides a therapeutically effective plasma concentration for at least about 70%, or at least 85% of the twenty-four hour period following the single dose administration. Both liquid and solid formulations are provided, as are methods of treating a patient by a single administration of a formulation of the invention so as to achieve a therapeutic effect for 24-hours.
    Type: Application
    Filed: December 2, 2022
    Publication date: June 1, 2023
    Inventors: Ketan Mehta, Yu-Hsing Tu
  • Patent number: 11633374
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: April 25, 2023
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Patent number: 11633389
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate-ion exchange resin complex, a barrier coated methylphenidate-ion exchange resin complex-matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: April 25, 2023
    Assignee: TRIS PHARMA, INC
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala