Patents Assigned to XWPHARMA LTD.
  • Patent number: 11944597
    Abstract: Pharmaceutical compositions comprising an immediate release component comprising 4-((L-valyl)oxy)butanoic acid and a modified release component comprising 4-((L-valyl)oxy)butanoic acid and the pharmacokinetics of 4-((L-valyl)oxy)butanoic acid and ?-hydroxybutyrate following oral administration of the pharmaceutical compositions is disclosed.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: April 2, 2024
    Assignee: XWPHARMA LTD.
    Inventors: Daniel M. Canafax, William W. Xiang, Leonard Blum, Jia-Ning Xiang
  • Patent number: 11925710
    Abstract: Pharmaceutical granulations having a functional coating surrounding a core containing 4-((L-valyl)oxy)butanoic acid are disclosed. The functional coatings provide for immediate release or modified release of 4-((L-valyl)oxy)butanoic acid. The pharmaceutical granulations can be used in oral pharmaceutical compositions.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: March 12, 2024
    Assignee: XWPHARMA LTD.
    Inventors: Sami Karaborni, Daniel M. Canafax, Jia-Ning Xiang, William W. Xiang, James Tien, Stefanie Thiel, Norbert Pollinger, Annette Grave
  • Patent number: 11905247
    Abstract: The present invention relates compounds of Formula (A) as NK-1 receptor antagonists, as well as their preparation and uses, and further relates pharmaceutical compositions comprising these compounds and their uses as modulators of dysfunctional glutamate transmission. The present invention also relates to the uses of the compounds or pharmaceutical compositions in treating or preventing certain disorders and diseases which relate to NK-1 receptor in humans. More specifically, the compounds and/or pharmaceutical compositions of the present invention are believed to potentially offer therapeutic benefits to patients who suffer, among others, chemotherapy-induced nausea and vomit (CINV) and/or post-operative nausea and vomit (PONV).
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: February 20, 2024
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Yi Feng, Xianbo Liu, Wai-Si Eng
  • Patent number: 11896573
    Abstract: Pharmaceutical compositions of 4-((L-valyl)oxy)butanoic acid and the pharmacokinetics of 4-((L-valyl)oxy)butanoic acid and ?-hydroxybutyric acid following oral administration of the pharmaceutical compositions to healthy subjects are disclosed.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: February 13, 2024
    Assignee: XWPHARMA LTD.
    Inventors: William W. Xiang, Jia-Ning Xiang, Daniel M. Canafax
  • Patent number: 11767313
    Abstract: Nuclear transport modulators are disclosed. The compounds can inhibit nuclear transporters such as the exportin-1 transporter. The compounds and pharmaceutical compositions comprising the compounds can be used to treat neurological diseases and cancer.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: September 26, 2023
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Zude Qi, Xianbo Liu, Dezheng Ning
  • Patent number: 11746081
    Abstract: The present disclosure is directed synthetic methods for the preparation of 4-valyloxybutyric acid. The synthetic methods described herein employ a diverse array of protecting group strategies and reaction conditions. Additionally, the present disclosure is directed to compounds useful as synthetic intermediates in the preparation of 4-valyloxybutyric acid.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: September 5, 2023
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Hao-Wei Shih, Xiaoming Wu, Xuan Zhang, James Tien
  • Patent number: 11690811
    Abstract: Pharmaceutical compositions of ketamine derivatives and oral dosage forms comprising the pharmaceutical compositions are disclosed. Solid oral dosage forms prepared from the pharmaceutical compositions exhibit a zero-order release profile.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: July 4, 2023
    Assignee: XWPHARMA LTD.
    Inventors: Sami Karaborni, Daniel M. Canafax, William W. Xiang, Jia-Ning Xiang
  • Patent number: 11692008
    Abstract: Compounds of Formula (I)a or (I)b: including certain quinone derivatives, and the corresponding pharmaceutical compositions, which may serve to modulate ferroptosis in a subject. Also disclosed herein are the preparations of these compounds and pharmaceutical compositions and their potential uses in the manufacture of a medicament in reducing reactive oxygen species (ROS) in a cell and for preventing, treating, ameliorating certain related disorder or a disease.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: July 4, 2023
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Zude Qi, Dezheng Ning, Xianbo Liu
  • Patent number: 11639337
    Abstract: The present invention relates compounds of Formula (A), as well as their preparation and uses, and further relates pharmaceutical compositions comprising these compounds and their uses as modulators of dysfunctional glutamate transmission. The present invention also relates to uses of the compounds or pharmaceutical compositions in treating or preventing certain neurological and psychiatric disorders and diseases as well as cancer in humans.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: May 2, 2023
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Wei Zhou
  • Patent number: 11510892
    Abstract: Pharmaceutical compositions comprising an immediate release component comprising 4-((L-valyl)oxy)butanoic acid and a modified release component comprising 4-((L-valyl)oxy)butanoic acid and the pharmacokinetics of 4-((L-valyl)oxy)butanoic acid and ?-hydroxybutyrate following oral administration of the pharmaceutical compositions is disclosed.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: November 29, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Daniel M. Canafax, William W. Xiang, Leonard Blum, Jia-Ning Xiang
  • Patent number: 11440874
    Abstract: Ketamine derivatives and pharmaceutical compositions thereof are disclosed. When administered orally the ketamine derivatives provide increased bioavailability of ketamine in the systemic circulation. The ketamine derivatives can be used to treat neurological diseases, psychological diseases and pain.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: September 13, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Hao-Wei Shih, Wai-Si Eng
  • Patent number: 11420955
    Abstract: The present invention relates compounds of Formula (A) as H3R antagonists, as well as their preparation and uses, and further relates pharmaceutical compositions comprising these compounds and their uses as modulators of Histamine 3 Receptor (H3R) functions. The present invention also relates to the uses of the compounds or pharmaceutical compositions in treating or preventing certain disorders and diseases which relate to H3R functions in humans.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: August 23, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Yi Feng, Wai-Si Eng
  • Patent number: 11401249
    Abstract: The present invention relates compounds of Formula (A), as well as their preparation and uses, and further relates pharmaceutical compositions comprising these compounds and their uses as modulators of dysfunctional glutamate transmission. The present invention also relates to uses of the compounds or pharmaceutical compositions in treating or preventing certain neurological and psychiatric disorders and diseases as well as cancer in humans.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: August 2, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Wei Zhou
  • Patent number: 11395801
    Abstract: Pharmaceutical granulations having a functional coating surrounding a core containing 4-((L-valyl)oxy)butanoic acid are disclosed. The functional coatings provide for immediate release or modified release of 4-((L-valyl)oxy)butanoic acid. The pharmaceutical granulations can be used in oral pharmaceutical compositions.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: July 26, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Sami Karaborni, Daniel M. Canafax, Jia-Ning Xiang, William W. Xiang, James Tien, Stefanie Thiel, Norbert Pollinger, Annette Grave
  • Patent number: 11357734
    Abstract: Granulations with granules having a high loading of an active pharmaceutical ingredient are disclosed. The active pharmaceutical ingredient has a high aqueous water solubility. The granules have a narrow particle size distribution and a smooth exterior surface.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: June 14, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Sami Karaborni, William W. Xiang, Daniel M. Canafax, Jia-Ning Xiang
  • Patent number: 11312703
    Abstract: A compound of Formula (I), pharmaceutically acceptable salts thereof, and individual enantiomers or diastereomers thereof. Compositions and methods useful for treatment or suppression of diseases, developmental delays and symptoms related to oxidative stress.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 26, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Zude Qi, Dezheng Ning, Xianbo Liu
  • Patent number: 11304906
    Abstract: Pharmaceutical granulations having a functional coating surrounding a core containing a water-soluble active pharmaceutical ingredient are disclosed. The functional coating provides for immediate release or controlled release of the active pharmaceutical ingredient. The pharmaceutical granulations can be used in oral pharmaceutical compositions.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 19, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Sami Karaborni, Daniel M. Canafax, Jia-Ning Xiang, William W. Xiang, James Tien, Nicolas D. Kirkland
  • Patent number: 11279669
    Abstract: The present disclosure is directed synthetic methods for the preparation of 4-valyloxybutyric acid. The synthetic methods described herein employ a diverse array of protecting group strategies and reaction conditions. Additionally, the present disclosure is directed to compounds useful as synthetic intermediates in the preparation of 4-valyloxybutyric acid.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: March 22, 2022
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Hao-Wei Shih, Xiaoming Wu, Xuan Zhang, James Tien
  • Patent number: 11149006
    Abstract: The present invention relates compounds of Formula (A) as NK-1 receptor antagonists, as well as their preparation and uses, and further relates pharmaceutical compositions comprising these compounds and their uses as modulators of dysfunctional glutamate transmission. The present invention also relates to the uses of the compounds or pharmaceutical compositions in treating or preventing certain disorders and diseases which relate to NK-1 receptor in humans. More specifically, the compounds and/or pharmaceutical compositions of the present invention are believed to potentially offer therapeutic benefits to patients who suffer, among others, chemotherapy-induced nausea and vomit (CINV) and/or post-operative nausea and vomit (PONV).
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: October 19, 2021
    Assignee: XWPHARMA LTD.
    Inventors: Jia-Ning Xiang, Xuesong Xu, Yi Feng, Xianbo Liu, Wai-Si Eng