Patents Assigned to Natco Pharma Ltd.
  • Patent number: 11414421
    Abstract: The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: August 16, 2022
    Assignee: NATCO PHARMA LTD
    Inventors: Arunkumar Thiriveedhi, Swapna Kondaveeti, Sathish Thumati, Naresh Ghanta, Janaki Rama Rao Ravi, Durga Prasad Konakanchi, Pulla Reddy Muddansani, Venkaiah Chowdary Nannapaneni
  • Patent number: 10383872
    Abstract: An oral pharmaceutical formulation containing an effective amount of NRC-AN-019 including its pharmaceutically acceptable salts and polymorphs thereof, by dispersing in a polymer system in a final state of subdivision to enhance oral bioavailability. It also relates to processes for the preparation of such compositions and using those compositions for the treatment of Chronic Myeloid Leukemia and other tumors such as head and neck cancer, prostate cancer and the like.
    Type: Grant
    Filed: January 30, 2016
    Date of Patent: August 20, 2019
    Assignee: NATCO PHARMA LTD
    Inventors: Durga Maheswari Parvataneni, Mitrabhanu Mohanty, Venkata Satyanarayana Appadwedula, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • Patent number: 10350209
    Abstract: An oral pharmaceutical formulation containing an effective amount of NRC-AN-019 including its pharmaceutically acceptable salts and polymorphs thereof, by dispersing in a polymer system in a final state of subdivision to enhance oral bioavailability. It also relates to processes for the preparation of such compositions and using those compositions for the treatment of Chronic Myeloid Leukemia and other tumors such as head and neck cancer, prostate cancer and the like.
    Type: Grant
    Filed: January 30, 2016
    Date of Patent: July 16, 2019
    Assignee: NATCO PHARMA LTD
    Inventors: Durga Maheswari Parvataneni, Mitrabhanu Mohanty, Venkata Satyanarayana Appadwedula, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • Publication number: 20110034459
    Abstract: Compounds of formula (I) in which: R1 is: R2 is —CH3 or —CH2CH3; or a pharmaceutically acceptable salt thereof. Pharmaceutical compositions including the compound of formula (I) and a pharmaceutically acceptable carrier. Processes for preparing the compound of formula (I). Methods of inhibiting a receptor tyrosine kinase in a subject in need thereof. Methods of inhibiting the growth of a tumor cell in a subject in need thereof. Methods of treating pancreatic cancer in a subject in need of treatment for pancreatic cancer. Methods of treating HER2 positive breast cancer in a subject in need of treatment for HER2 positive breast cancer. Methods of treating drug resistant non-small cell lung cancer in a subject in need of treatment for drug resistant non-small cell lung cancer. Each of these methods can include administering to the subject an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 9, 2010
    Publication date: February 10, 2011
    Applicant: Natco Pharma Ltd.
    Inventors: Bhujanga rao ADIBHATLA KALI SATYA, Ramanadham Jyothi Prasad, Bollepalli Nageshwara Rao, Nannapaneni Venkaiah Chowdary
  • Publication number: 20110028473
    Abstract: Methods employing and uses of a compound of formula (I) in inhibiting the growth of a tumor cell in a subject in need thereof. Methods employing and uses of a compound of formula (I) in treating pancreatic cancer in a subject in need of treatment for pancreatic cancer. Methods employing and uses of a compound of formula (I) in treating HER-2 positive breast cancer in a subject in need of treatment for HER-2 positive breast cancer. Methods employing and uses of a compound of formula (I) in treating drug resistant non-small cell lung cancer in a subject in need of treatment for drug resistant non-small cell lung cancer. Each of these methods can include administering to the subject an effective amount of a compound of formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 9, 2010
    Publication date: February 3, 2011
    Applicant: Natco Pharma Ltd.
    Inventors: Bhujanga rao ADIBHATLA KALI SATYA, Ramanadham JYOTHI PRASAD, Bollepalli NAGESHWARA RAO, Nannapaneni VENKAIAH CHOWDARY