Patents by Inventor Rajashree Joshi-Hangal

Rajashree Joshi-Hangal 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: 20220024965
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: February 26, 2021
    Publication date: January 27, 2022
    Inventors: Rajashree JOSHI-HANGAL, Nipun DAVAR, Stephen R. PRIEBE
  • Publication number: 20220016033
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: March 2, 2021
    Publication date: January 20, 2022
    Inventors: Rajashree JOSHI-HANGAL, Sanjeev REDKAR
  • Patent number: 11058705
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: July 13, 2021
    Assignee: ASTEX PHARMACEUTICALS, INC.
    Inventors: Rajashree Joshi-Hangal, Chunlin Tang, Sanjeev Redkar, Harish Ravivarapu
  • Patent number: 10858386
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 8, 2020
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Rajashree Joshi-Hangal, Nipun Davar, Stephen R. Priebe
  • Publication number: 20200172565
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: November 5, 2019
    Publication date: June 4, 2020
    Inventors: Rajashree JOSHI-HANGAL, Nipun DAVAR, Stephen R. PRIEBE
  • Publication number: 20200155588
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Application
    Filed: November 6, 2019
    Publication date: May 21, 2020
    Inventors: Rajashree JOSHI-HANGAL, Chunlin TANG, Sanjeev REDKAR, Harish RAVIVARAPU
  • Publication number: 20200093748
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: September 27, 2019
    Publication date: March 26, 2020
    Inventors: Rajashree JOSHI-HANGAL, Sanjeev REDKAR
  • Patent number: 10517886
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: December 31, 2019
    Assignee: ASTEX PHARMACEUTICALS, INC.
    Inventors: Rajashree Joshi-Hangal, Chunlin Tang, Sanjeev Redkar, Harish Ravivarapu
  • Patent number: 10519190
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: December 31, 2019
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Rajashree Joshi-Hangal, Nipun Davar, Stephen R. Priebe
  • Patent number: 10485764
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a dinucleotide compound or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the dinucleotide compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: November 26, 2019
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Rajashree Joshi-Hangal, Sanjeev Redkar
  • Publication number: 20190085018
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: August 2, 2018
    Publication date: March 21, 2019
    Inventors: Rajashree JOSHI-HANGAL, Nipun DAVAR, Stephen R. PRIEBE
  • Publication number: 20180369267
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Application
    Filed: January 25, 2018
    Publication date: December 27, 2018
    Inventors: Rajashree JOSHI-HANGAL, Chunlin TANG, Sanjeev REDKAR, Harish RAVIVARAPU
  • Publication number: 20180169117
    Abstract: Provided herein are formulations of (2,4-dihydroxy-5-isopropyl-phenyl)-[5-(4-methyl-piperazin-1-ylmethyl)-1,3-dihydro-isoindol-2-yl]-methanone of formula (I): or a L-lactate salt thereof, in a phosphate or succinate buffer.
    Type: Application
    Filed: March 19, 2015
    Publication date: June 21, 2018
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: David Alexander RAWLINS, Sanjeev REDKAR, Rajashree JOSHI-HANGAL
  • Patent number: 9913856
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: March 13, 2018
    Assignee: ASTEX PHARMACEUTICALS, INC.
    Inventors: Rajashree Joshi-Hangal, Chunlin Tang, Sanjeev Redkar, Harish Ravivarapu
  • Publication number: 20170360791
    Abstract: Pharmaceutical compositions comprising poorly soluble compounds, such as BCS class II or class IV drugs (e.g. amuvatinib), are provided. The pharmaceutical compositions are effective for increasing the bioavailability of the compounds. Related kits and methods are also provided.
    Type: Application
    Filed: December 4, 2015
    Publication date: December 21, 2017
    Inventors: Rajashree Joshi-Hangal, Sanjeev Redkar, Chunlin Tang
  • Publication number: 20170000738
    Abstract: The invention provides a method of preparing a lyophilized pharmaceutical composition containing a compound described herein or a pharmaceutically-acceptable salt thereof. The process comprises dissolving the compound in a solvent comprising dimethylsulfoxide and optionally one or more co-solvents to form a solution, and then removing the solvent and any co-solvents by a freeze-drying process. Also provided by the invention are lyophilized pharmaceutical compositions and their use in medicine and in particular in the treatment of cancer.
    Type: Application
    Filed: July 1, 2016
    Publication date: January 5, 2017
    Inventors: Rajashree JOSHI-HANGAL, Sanjeev REDKAR
  • Publication number: 20160346310
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 1, 2016
    Inventors: Rajashree JOSHI-HANGAL, Chunlin TANG, Sanjeev REDKAR, Harish RAVIVARAPU
  • Patent number: 9381207
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumors using the formulations are described.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: July 5, 2016
    Assignee: ASTEX PHARMACEUTICALS, INC.
    Inventors: Rajashree Joshi-Hangal, Chunlin Tang, Sanjeev Redkar, Harish Ravivarapu
  • Publication number: 20140303107
    Abstract: The invention provides derivatives of decitabine with superior chemical stability and shelf life, with similar physiological activity. The derivatives are provided in a non-aqueous formulation, which further stabilizes the derivatives. Methods of treating one or more myelodysplastic syndromes, leukemia, or solid tumours using the formulations are described.
    Type: Application
    Filed: August 29, 2012
    Publication date: October 9, 2014
    Inventors: Rajashree Joshi-Hangal, Chunlin Tang, Sanjeev Redkar, Harich Ravivarapu
  • Patent number: 8445502
    Abstract: The present invention relates to pharmaceutical formulations comprising the protein kinase inhibitor, MP470, and methods of using same in treating conditions involving undesirable cell proliferation, such as cancer.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: May 21, 2013
    Assignee: Astex Pharmaceuticals, Inc.
    Inventors: David J. Bearss, Rajashree Joshi-Hangal, Xiao-Hui Liu, Pasit Phiasivongsa, Sanjeev G. Redkar, Hariprasad Vankayalapati