Patents by Inventor Venkateswarlu Akella

Venkateswarlu Akella 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).

  • Patent number: 9464053
    Abstract: Novel small molecule compounds for reduction of A? 42 production and for treatment of Alzheimer's disease and other neurodegenerative disorders, methods of making them and pharmaceutical compositions containing them are described.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 11, 2016
    Assignee: KAREUS THERAPEUTICS, SA
    Inventors: Venkateswarlu Akella, Uday Saxena, Anji Reddy Kallam
  • Publication number: 20140364457
    Abstract: Novel small molecule compounds for reduction of A? 42 production and for treatment of Alzheimer's disease and other neurodegenerative disorders, methods of making them and pharmaceutical compositions containing them are described.
    Type: Application
    Filed: August 26, 2014
    Publication date: December 11, 2014
    Inventors: Venkateswarlu Akella, Uday Saxena, Anji Reddy Kallam
  • Patent number: 8846721
    Abstract: Novel small molecule compounds for reduction of A? 42 production and for treatment of Alzheimer?s Disease and other neurodegenerative disorders, methods of making them and pharmaceutical compositions containing them are described.
    Type: Grant
    Filed: January 22, 2011
    Date of Patent: September 30, 2014
    Assignee: Kareus Therapeutics SA
    Inventors: Venkateswarlu Akella, Uday Saxena, Anji Reddy Kallam
  • Publication number: 20130338199
    Abstract: The present invention discloses (1) phenolic ester hybrids of niacin with m-methoxy-p-hydroxy phenyl compounds like eugenol, vanillin, apocynin, ferulic acid, isoferulic acid and eugenol epoxide and (2) cocrystals of hybrids as above, particularly cocrystal of niacin-eugenol hybrid with cocrystal former like eugenol and oxalic acid (3) novel pharmaceutical compositions comprising a combination of niacin and one or more small molecule/potentiating agent like eugenol, curcumin, cinnamic acid, meclofenamic acid, and their use in the treatment of a disorder or a disease caused by excess production of amyloid beta peptide-42 (A?42), its deposition, accumulation, and plaque formation including Alzheimer's Disease, dementia and mild cognitive impairment as well as other neurodegenerative diseases such as Parkinson's Disease, Huntington's disease, multiple sclerosis, amytrophic lateral sclerosis and ischemic stroke.
    Type: Application
    Filed: August 20, 2013
    Publication date: December 19, 2013
    Inventors: Uday Saxena, Venkateswarlu Akella
  • Publication number: 20120322831
    Abstract: Novel small molecule compounds for reduction of A? 42 production and for treatment of Alzheimer's Disease and other neurodegenerative disorders, methods of making them and pharmaceutical compositions containing them are described.
    Type: Application
    Filed: January 22, 2011
    Publication date: December 20, 2012
    Applicant: KAREUS THERAPEUTICS SA
    Inventors: Venkateswarlu Akella, Uday Saxena, Anji Reddy Kallam
  • Patent number: 8080559
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: December 20, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20100063083
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Application
    Filed: October 12, 2009
    Publication date: March 11, 2010
    Applicant: Dr. Reddy's Laboratories LTD.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Patent number: 7601733
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: October 13, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Patent number: 7601732
    Abstract: A crystalline form of 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer of 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin is described that is characterized by having an X-ray powder diffraction pattern comprising one or more peak intensities expressed in degrees 2? that are selected from the group consisting of 7.2±0.1, 9.4±0.1, 11.02±0.1, 12.00±0.1, 14.54±0.1, 15.2±0.1, 18.92±0.1, 21.86±0.1, 22.74±0.1 and 26.42±0.1. Methods of making and using the compound are also described.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: October 13, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20080076790
    Abstract: A crystalline form of 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer of 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin is described that is characterized by having an X-ray powder diffraction pattern comprising one or more peak intensities expressed in degrees 2? that are selected from the group consisting of 7.2±0.1, 9.4±0.1, 11.02±0.1, 12.00±0.1, 14.54±0.1, 15.2±0.1, 18.92±0.1, 21.86±0.1, 22.74±0.1 and 26.42±0.1. Methods of making and using the compound are also described.
    Type: Application
    Filed: May 24, 2007
    Publication date: March 27, 2008
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Publication number: 20080076791
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Application
    Filed: May 24, 2007
    Publication date: March 27, 2008
    Applicants: DR.REDDY'S LABORATORIES LIMITED, DR.REDDY'S LABRATORIES, INC.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • Patent number: 7157581
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel ?-aryl-?-oxysubstituted alkylcarboxylic acids of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: January 2, 2007
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Patent number: 7053217
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel ?-aryl-?-oxysubstituted alkylcarboxylic acids of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: May 30, 2006
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Publication number: 20060089500
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel ?-aryl-?-oxysubstituted alkylcarboxylic acids of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Application
    Filed: December 7, 2005
    Publication date: April 27, 2006
    Inventors: Ranga Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Lohray, Braj Lohray, Rao Paraselli
  • Patent number: 6576662
    Abstract: The present invention relates to novel anticancer agents, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The present invention more particularly relates to novel derivatives of andrographolide, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The novel derivatives of andrographolide have the general formula (I).
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: June 10, 2003
    Assignee: Dr. Reddy's Laboratories Limited
    Inventors: Srinivas Nanduri, Sriram Rajagopal, Venkateswarlu Akella
  • Patent number: 6486196
    Abstract: The present invention relates to novel anticancer agents, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The present invention more particularly relates to novel derivatives of andrographolide, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The novel derivatives of andrographolide have the general formula (I).
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: November 26, 2002
    Assignee: Dr. Reddy's Research Foundation
    Inventors: Srinivas Nanduri, Sairam Pothukuchi, Sriram Rajagopal, Venkateswarlu Akella, Sunilkumar Bhadramma Kochunarayana Pillai, Ranjan Chakrabarti
  • Patent number: 6444816
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel &bgr;-aryl-&agr;-oxysubstituted alkylcarboxylic acids of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: September 3, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy Cheminor, Inc.
    Inventors: Saibal Kumar Das, Papi Reddy Purma, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Publication number: 20020103215
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Application
    Filed: January 8, 2002
    Publication date: August 1, 2002
    Applicant: DR. REDDY'S RESEARCH FOUNDATION & REDDY-CHEMINOR, INC.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Patent number: 6369067
    Abstract: The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel &bgr;-aryl-&agr;-oxysubstituted alkylcarboxylic acids of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: April 9, 2002
    Assignees: Dr. Reddy's Research Foundation, Reddy-Cheminor Inc.
    Inventors: Ranga Madhavan Gurram, Venkateswarlu Akella, Rajagopalan Ramanujam, Ranjan Chakrabarti, Parimal Misra, Vidya Bhushan Lohray, Braj Bhushan Lohray, Rao Bheema Paraselli
  • Publication number: 20020016324
    Abstract: The present invention relates to novel anticancer agents, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The present invention more particularly relates to novel derivatives of andrographolide, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, and their pharmaceutically acceptable solvates. The novel derivatives of andrographolide have the general formula (I).
    Type: Application
    Filed: May 4, 2001
    Publication date: February 7, 2002
    Applicant: DR. REDDY'S RESEARCH FOUNDATION
    Inventors: Srinivas Nanduri, Sriram Rajagopal, Venkateswarlu Akella