Patents Assigned to Beyondspring Pharmaceuticals, Inc.
  • Publication number: 20240368126
    Abstract: The present invention relates to an impurity in plinabulin or a preparation thereof, and a use thereof. The impurity has the structure as shown in formula I, and can be obtained by means of the oxidative degradation of plinabulin under neutral or acidic conditions, having great significance in the quality control of plinabulin or a preparation thereof.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 7, 2024
    Applicant: BEYONDSPRING PHARMACEUTICALS, INC.
    Inventors: Chengjiang HE, Danyang ZHANG, Jianmin MAO, Lihua DU, Lan HUANG
  • Patent number: 12024501
    Abstract: Disclosed herein are plinabulin polymorphs, compositions, their use and preparation as therapeutic agents. In particular, some embodiments relate to plinabulin monohydrate in a crystalline form.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: July 2, 2024
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, Aniruddh Singh
  • Patent number: 11918574
    Abstract: Disclosed herein are methods of treating a cancer characterized by expressing a mutant form of a RAS protein. Some embodiments relate to treatment of cancer by administering Plinabulin to a subject in need thereof.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: March 5, 2024
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 11857522
    Abstract: Disclosed herein are compositions including a compound of formula (I) for treating cancer. Some embodiments relate to methods of treating cancer by co-administering a compound of formula (I) and one or more immune checkpoint inhibitor to a subject in need thereof. Some embodiments relate to methods of treating cancer by co-administering a compound of formula (I) and plinabulin to a subject in need thereof. Some embodiments relate to methods of providing co-stimulation of T-cell activation against cancer by co-administering a compound of formula (I), one or more immune checkpoint inhibitor.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: January 2, 2024
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Ramon Mohanlal, Lan Huang, George Kenneth Lloyd
  • Patent number: 11786523
    Abstract: Disclosed herein are methods of reducing or preventing thrombocytopenia, in a clinically relevant manner, that is caused by chemotherapy or radiation therapy by administering plinabulin to a subject.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: October 17, 2023
    Assignee: BEYONDSPRING PHARMACEUTICALS, INC.
    Inventors: Lan Huang, Ramon Mohanlal, George Kenneth Lloyd
  • Patent number: 11633393
    Abstract: Disclosed herein are compounds that can bind to tubulin and activate GEF-H1. Methods of using these compounds for treating cancer are also disclosed.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: April 25, 2023
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, Santosh Ambadas Khedkar, Michel O. Steinmetz
  • Patent number: 11400086
    Abstract: Disclosed herein are plinabulin and the use for reducing neutropenia. Some embodiments relate to reducing the docetaxel induced neutropenia using plinabulin.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: August 2, 2022
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Ramon Mohanlal, Lan Huang, George Kenneth Lloyd
  • Patent number: 11254657
    Abstract: Disclosed herein are plinabulin polymorphs, compositions, their use and preparation as therapeutic agents. In particular, some embodiments relate to plinabulin monohydrate in a crystalline form.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: February 22, 2022
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, Aniruddh Singh
  • Patent number: 11229642
    Abstract: Disclosed herein are methods of reducing neutropenia that is caused by chemotherapy or radiation therapy by administering plinabulin to a subject.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: January 25, 2022
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, George Kenneth Lloyd, Ramon Mohanlal
  • Patent number: 11045467
    Abstract: Disclosed herein are methods of treating a cancer characterized by expressing a mutant form of a RAS protein. Some embodiments relate to treatment of cancer by administering Plinabulin to a subject in need thereof.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: June 29, 2021
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 10912748
    Abstract: Disclosed herein are compositions including a compound of formula (I) for treating cancer. Some embodiments relate to methods of treating cancer by co-administering a compound of formula (I) and one or more immune checkpoint inhibitor to a subject in need thereof. Some embodiments relate to methods of treating cancer by co-administering a compound of formula (I) and plinabulin to a subject in need thereof. Some embodiments relate to methods of providing co-stimulation of T-cell activation against cancer by co-administering a compound of formula (I), one or more immune checkpoint inhibitor.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: February 9, 2021
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Ramon Mohanlal, Lan Huang, George Kenneth Lloyd
  • Patent number: 10668063
    Abstract: Disclosed herein are methods of treating a cancer characterized by expressing a mutant form of a RAS protein. Some embodiments relate to treatment of cancer by administering Plinabulin to a subject in need thereof.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: June 2, 2020
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 10550104
    Abstract: Disclosed herein are plinabulin polymorphs, compositions, their use and preparation as therapeutic agents. In particular, some embodiments relate to plinabulin monohydrate in a crystalline form.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: February 4, 2020
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, Aniruddh Singh
  • Patent number: 10357491
    Abstract: Disclosed herein are methods of treating a brain tumor by administering Plinabulin. Some embodiments relate to treatment of glioblastoma multiforme by administering Plinabulin.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 23, 2019
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 10238650
    Abstract: Disclosed herein are methods of treating a cancer characterized by expressing a mutant form of a RAS protein. Some embodiments relate to treatment of cancer by administering Plinabulin to a subject in need thereof.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: March 26, 2019
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 10155748
    Abstract: Disclosed herein are plinabulin polymorphs, compositions, their use and preparation as therapeutic agents. In particular, some embodiments relate to plinabulin monohydrate in a crystalline form.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: December 18, 2018
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventors: Lan Huang, Aniruddh Singh
  • Patent number: 10076518
    Abstract: Disclosed herein are methods of treating a brain tumor by administering Plinabulin. Some embodiments relate to treatment of glioblastoma multiforme by administering Plinabulin.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: September 18, 2018
    Assignee: BeyondSpring Pharmaceuticals, Inc.
    Inventor: Lan Huang
  • Patent number: 8618292
    Abstract: Compounds represented by the following structure (II) are disclosed: as are methods for making such compounds. Compositions and methods for treating various disease conditions including cancer and non-cancer diseases associated with vascular proliferation are also disclosed.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: December 31, 2013
    Assignee: Beyondspring Pharmaceuticals, Inc.
    Inventors: Michael Palladino, George Kenneth Lloyd, Yoshio Hayashi