Patents Assigned to Dr. Reddy's Laboratories, Limited
  • Patent number: 12030948
    Abstract: The present invention discloses a stable pharmaceutical formulation of an antibody, wherein the formulation contains buffer, surfactant, sugar, and optionally contains a free amino acid. The disclosed formulation is stable at 50° C. for two weeks. In addition, the formulation maintains at least 96% of the antibody in monomeric form under above said storage conditions.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: July 9, 2024
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Murali Jayaraman, Anuja Chandrasekar
  • Patent number: 12024561
    Abstract: The present invention discloses a stable pharmaceutical formulation of an antibody, wherein the formulation contains buffer, surfactant and salt, and wherein the formulation is devoid of free amino acids. The disclosed antibody formulations are liquid formulations that are also suitable for lyophilization.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: July 2, 2024
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Murali Jayaraman, Anuja Chandrasekar
  • Patent number: 11639391
    Abstract: The present invention provides a stable liquid formulation of an antibody in phosphate-amino acid based dual buffer system. The antibody formulated in phosphate-amino acid based dual buffer system imparts optimum stability to the antibody, at lower as well as higher concentrations. Further, the antibody formulated in phosphate-amino acid based buffer system has low viscosity and is suitable for therapeutic administration of high concentrations of antibody.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: May 2, 2023
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Murali Jayaraman, Pravin Nair, Navneet Kaur, Deepak Thumbrahalli
  • Publication number: 20220411374
    Abstract: Aspects of the present application relate to process for the preparation of Omecamtiv mecarbil and salts thereof. Specific aspects relate to novel urea intermediate, preparative process thereof and its use in the preparation of Omecamtiv mecarbil and salts thereof. The improved process for the preparation of Omecamtiv mecarbil are industrially viable.
    Type: Application
    Filed: October 9, 2020
    Publication date: December 29, 2022
    Applicant: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Saikat Sen, Srinivas Oruganti, Magesh Sampath, Azeezulla Baig Mohammed
  • Publication number: 20220402874
    Abstract: Aspects of the present application relate to solid forms of Omecamtiv mecarbil dihydrochloride. Specific aspects relate to crystalline forms and amorphous solid dispersions of Omecamtiv mecarbil dihydrochloride. Further specific aspects related to crystalline forms DP1, DP2, DP3, DP4, OMT-D, OMT-L, OMT-O, OMT-F, OMT-FS and amorphous solid dispersions of Omecamtiv mecarbil dihydrochloride and pharmaceutical compositions thereof.
    Type: Application
    Filed: October 9, 2020
    Publication date: December 22, 2022
    Applicant: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Saikat Sen, Srinivas Oruganti, Deepika Pathivada, Satish Chowdary Nekkanti
  • Patent number: 11390583
    Abstract: The present application provides process for preparation of siponimod, intermediates of siponimod, salts of siponimod, polymorphic forms and solid dispersions of siponimod and its salts thereof. The present application specifically provides crystalline polymorphic forms of siponimod base, siponimod hemifumarate and other salts and pharmaceutical compositions thereof. Also provided are solid dispersions of siponimod hemifumarate and pharmaceutical compositions containing them.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 19, 2022
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Srinivas Oruganti, Krishnarao Chintada, Bhaskar Kandagatla, Raju Cheerlavancha, Vamsi Krishna Mudapaka, Rajasekhar Voguri, Rajesh Thipparaboina, Satyanarayana Thirunahari
  • Patent number: 11382923
    Abstract: The present invention relates to stable liquid pharmaceutical formulations of cyclophosphamide comprising cyclophosphamide and at least one pharmaceutically acceptable excipient wherein moisture content of the liquid formulation is less than about 2.0% by weight. The invention further relates to stable liquid formulations of cyclophosphamide prepared by a process comprising a step of reducing the moisture content from cyclophosphamide or liquid compositions of cyclophosphamide or both. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration either as ready-to-use or ready-to-dilute for treating various cancer disorders.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: July 12, 2022
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Riyaz Ahmed Shaik, Ananya Saha, Svb Janardhan Garikipati, Akash Chaurasiya, Bhavesh Vallabhbhai Patel, Harshal Bhagwatwar, Sumitra Ashok Pillai
  • Patent number: 11292793
    Abstract: The present application relates to solid state forms of Lumateperone p-Tosylate and processes for preparation thereof. The present application provides amorphous Lumateperone p-tosylate and a solid dispersion comprising amorphous Lumateperone p-tosylate and one or more pharmaceutically acceptable polymers and processes for preparation thereof. The compounds are useful as 5-HT2 receptor agonists and antagonists used in treating disorders of the central nervous system including a disorder associated with 5HT2C or 5HT2A receptor modulation.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: April 5, 2022
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Raja Sekhar Voguri
  • Patent number: 11168057
    Abstract: The present invention provides crystalline Roxadustat Form-?, crystalline Roxadustat Form-?, process for the preparation of crystalline Roxadustat Form-?, crystalline Roxadustat Form-? and its pharmaceutical compositions thereof. The present invention also provides co-crystals of Roxadustat Form RLP, Roxadustat Form RNM and Roxadustat Form RU, process for their preparation and pharmaceutical composition thereof.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: November 9, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Divya Jyothi Kallem, Rajesh Thipparaboina, Deepika Pathivada, Vishweshwar Peddy, Shanmukha Prasad Gopi
  • Patent number: 11168107
    Abstract: The present application relates to amine salt of obeticholic acid. Specifically, the present application relates to (S)-?-methylbenzylamine and diethylamine salt of obeticholic acid. The present application also relates to a process for preparation of amorphous form of obeticholic acid comprising converting amine salt of obeticholic acid to amorphous form of obeticholic acid.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: November 9, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Satishbhai Sukhlalbhai More, Vikas Sadashiv Gajare, Sandip Ramdas Khobare, Krishna Mohan Thalabathula, Vilas Hareshwar Dahanukar, Shirshendu Das Gupta
  • Publication number: 20210253714
    Abstract: The present invention discloses a stable pharmaceutical formulation of an antibody, wherein the formulation contains buffer, surfactant and salt, and wherein the formulation is devoid of free amino acids. The disclosed antibody formulations are liquid formulations that are also suitable for lyophilization.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 19, 2021
    Applicant: Dr. Reddy's Laboratories Limited
    Inventors: Murali JAYARAMAN, Anuja CHANDRASEKAR
  • Patent number: 11084791
    Abstract: The present invention provides a crystalline form of Lenvatinib Mesylate, processes for the preparation of crystalline form of lenvatinib Mesylate and pharmaceutical compositions thereof. The crystalline form of lenvatinib Mesylate designated as Form VN1 is characterized by powder X-ray diffraction pattern. The present invention further provides a process for the preparation of amorphous form of lenvatinib Mesylate. The amorphous form is characterized by powder X-ray diffraction pattern.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 10, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Saladi Venkata Narasayya, Vamsi Krishna Mudapaka, Vishweshwar Peddy
  • Patent number: 11059799
    Abstract: The present application relate to a process for preparation of 4-Methylene tetrahydrofuran compound of formula II, which is useful as an intermediate for the preparation of halichondrin B analogues such as Eribulin.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: July 13, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED.
    Inventors: Sudhir Sai, Debjit Basu, Kumar Sarvesh, Uday Kumar Neelam, Amit Kumar Mandal, Rakeshwar Bandichhor, Vilas Hareshwar Dahanukar
  • Patent number: 11034675
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 15, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Ramanaiah Chennuru, Satarupa Bhattacharjee, Srinivas Oruganti, Vishnu Vardhana Verna Reddy Eda, Ramesh Chakka, Vishweshwar Peddy, Srividya Ramakrishnan, Vamsi Krishna Mudapaka
  • Patent number: 10875887
    Abstract: The invention of the present application relates to the process for the preparation of intermediates of obeticholic acid and their conversion to obeticholic acid. The process involves the conversion of compound of formula (VI) to compound of formula (VII) in presence of an organic base.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: December 29, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED.
    Inventors: Vilas Hareshwar Dahanukar, Rama Mohan Hindupur, Rashid Abdul Rehman Khan, Satishbhai Sukhlalbhai More, Vikas Sadashiv Gajare, Sandip Ramdas Khobare, Krishna Mohan Thalabathula, Rajender Datrika, Sreenivasulu Madi Shetty
  • Patent number: 10849916
    Abstract: The present invention relates to novel impurities of cyclophosphamide having structure V, VI or VII, stabilized form of these novel impurities, a process of preparing a stabilized form and isolating thereof. The invention also relates cyclophosphamide formulations which include cyclophosphamide, at least one pharmaceutically acceptable excipient, and a certain level of these impurities having structure V, VI or VII. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration in treating various cancer disorders.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 1, 2020
    Assignee: DR. REDDYS LABORATORIES LIMITED
    Inventors: Riyaz Ahmed Shaik, Ananya Saha, Svb Janardhan Garikipati, Akash Chaurasiya, Bhavesh Vallabhbhai Patel, Harshal Bhagwatwar, Sumitra Ashok Pillai, Satheesh Balasubramanian, Joydeep Mazumder
  • Patent number: 10836776
    Abstract: The present application relate to process for preparation of tetrahydrofuran compound of formula II, 4-Methylene tetrahydrofuran compound of formula V and tetrahydropyran compound of formula IX which are useful as intermediates for the preparation of halichondrin B analogues such as Eribulin or its pharmaceutically acceptable salts.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: November 17, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Kumar Sarvesh, Debjit Basu, Raja gopal Penumandla, Prapulla Kumar Palvai
  • Patent number: 10807978
    Abstract: The present application relates to a process for the preparation of crystalline form A of palbociclib having specific surface area more than 2 m2/g comprising one-pot process for the preparation of compound of formula (IV). The present application further relates to the preparation of acid-addition salts of palbociclib and their use for the synthesis of crystalline form A of palbociclib having specific surface area more than 2 m2/g.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: October 20, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Andiappan Murugan, Vipinkumar Shriram Kabra, Chinna Saida Reddy Gade, Rama Rao Gondu, Shravankumar Chandrashekar, Krishnamoorthy Pasupathy, Anandan Kalaiselvan
  • Patent number: 10717740
    Abstract: The present application relates to crystalline propylene glycol solvate of acalabrutinib and process for preparation thereof. The propylene glycol solvate of acalabrutinib may be selected from a group of racemic propylene glycol solvate, R-propylene glycol solvate and S-propylene glycol solvate of acalabrutinib. Specifically, the present application relates to crystalline forms RSV1, RSV2, RSV3 and RSV4 of acalabrutinib. Crystalline forms RSV2 and RSV3 are stable in all conditions and has excellent physico-chemical properties. The present application also relates to crystalline form RSVS of acalabrutinib.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: July 21, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED.
    Inventors: Raja Sekhar Voguri, Vishweshwar Peddy
  • Patent number: 10590455
    Abstract: The invention relates to a cell culture process for decreasing the galactosylated content and/or increasing the G0F content of a glycoprotein. The process involves subjecting recombinant cells expressing the said glycoprotein to a temperature and pH shift and supplementing cell culture with glutamine.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: March 17, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Sreenath Kadreppa, Madhava Ram Paranandi Ananta, Senthil Kumar Baskaran, Shinto Antony