Patents by Inventor Ramakrishna Nirogi

Ramakrishna Nirogi 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: 11622967
    Abstract: The present invention provides new methods of treatment for narcolepsy, excessive daytime sleepiness, obstructive sleep apnea, circadian rhythm sleep disorders, sleep and vigilance disorders associated with Parkinson's disease, multiple sclerosis, dementia or attention deficit hyperactivity disorder by administering a therapeutically effect amount of histamine-3 receptor (H3R) inverse agonist, N-[4-(1-Cyclobutylpiperidin-4-yloxy)phenyl]-2-(morpholin-4-yl)acetamide or a pharmaceutically acceptable salt thereof. The present invention further provides use of the said compounds in the manufacture of medicament intended for the treatment of the disorders described herein.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: April 11, 2023
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Vijay Sidram Benade, Saivishal Daripelli, Pradeep Jayarajan, Jyothsna Ravula, Venkateswarlu Jasti
  • Publication number: 20230000859
    Abstract: The present invention provides a method for treating behavioral and psychological symptoms in patients with dementia comprising administering an effective dose of pure 5-HT6 receptor antagonist and acetylcholinesterase inhibitor or NMDA receptor antagonist. The present invention also relates to a pharmaceutical combination comprising pure 5-HT6 receptor antagonist and acetylcholinesterase inhibitor or NMDA receptor antagonist, in particular for treating behavioral and psychological symptoms in patients with dementia. The present invention further provides use of the said compounds in the manufacture of a medicament, and a pharmaceutical composition comprising the said compounds intended for the treatment of disorders described herein.
    Type: Application
    Filed: December 2, 2020
    Publication date: January 5, 2023
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Veena REBALLI, Pradeep JAYARAJAN, Renny ABRAHAM, Venkateswarlu JASTI, Rajesh BADANGE, Vijay Sidram BENADE
  • Publication number: 20220409614
    Abstract: The present invention provides a method for treating behavioral and psychological symptoms in patient with dementia comprising administering an effective dose of pure 5-HT6 receptor antagonist, masupirdine or a pharmaceutically acceptable salt thereof either alone or in combination with an acetylcholinesterase inhibitor such as donepezil and NMDA (N-Methyl-D-aspartate) receptor antagonist, memantine. The present invention further provides use of the said compound in the manufacture of a medicament and pharmaceutical compositions comprising the said compounds intended for the treatment of the disorders described herein.
    Type: Application
    Filed: December 2, 2020
    Publication date: December 29, 2022
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Pradeep JAYARAJAN, Satish JETTA, Raghava Chowdary PALACHARLA, Santosh Kumar PANDEY, Abdul Rasheed MOHAMMED, Vijay Sidram BENADE, Vinod Kumar GOYAL, Ramkumar SUBRAMANIAN, Jyothsna RAVULA, Venkateswarlu JASTI
  • Publication number: 20220387451
    Abstract: The present invention relates to a pharmaceutical composition comprising solid dispersion of amorphous abiraterone acetate and one or more pharmaceutically acceptable excipients, having improved solubility, stability, bioavailability, and no positive food effect. The present invention also relates to a method for its preparation, a dosage form comprising such compositions, and the use of the said composition or dosage form as a medicament for the treatment of prostate cancer.
    Type: Application
    Filed: November 13, 2020
    Publication date: December 8, 2022
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Dhanunjay Kumar DOGIPARTI, Koteshwara MUDIGONDA, Jyothsna RAVULA, Venkateswarlu JASTI
  • Patent number: 11458135
    Abstract: The present invention relates to pure 5-HT6 receptor antagonists, or the pharmaceutically acceptable salt(s) thereof in combination with or as adjunct to acetylcholinesterase inhibitors and their use in the treatment of cognitive disorders. The invention further provides the pharmaceutical composition containing the said combination.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 4, 2022
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Ramasastri Kambhampati, Venkateswarlu Jasti
  • Patent number: 11278530
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of compound formula (I).
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: March 22, 2022
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Anil Karbhari Shinde, Shankar Reddy Gagginapally, Durga Malleshwari Kancharla, Santosh Kumar Pandey, Renny Abraham, Venkateswarlu Jasti
  • Patent number: 11253514
    Abstract: The present invention relates to a combination of pure 5-HT6 receptor antagonist, acetylcholinesterase inhibitor and NMDA receptor antagonist. Also, the present invention provides pure 5-HT6 receptor (5-HT6R) antagonists, or the pharmaceutically acceptable salt(s) thereof in combination with or as adjunct to acetylcholinesterase inhibitor and N-Methyl-D-aspartate (NMDA) receptor antagonist and their use in the treatment of cognitive disorders. The invention further provides the pharmaceutical composition containing the said combination.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: February 22, 2022
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Ramasastri Kambhampati, Venkateswarlu Jasti
  • Patent number: 11234979
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs).
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: February 1, 2022
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Abdul Rasheed Mohammed, Anil Karbhari Shinde, Srinivas Ravella, Vanaja Middekadi, Vinod Kumar Goyal, Pradeep Jayarajan, Saivishal Daripelli, Venkateswarlu Jasti
  • Publication number: 20210386727
    Abstract: The present invention relates to new uses of a 5-HT4 receptor agonist, specifically Isopropyl-3-{5-[1-(3-methoxypropyl)piperidin-4-yl]-[1,3,4] oxadiazol-2-yl}-1H-indazole (Compound-1) or a pharmaceutically acceptable salts thereof, for the treatment of dementia due to menopause, senile dementia, cognitive deficits associated with schizophrenia, depression, chemotherapy-induced cognitive impairment, and behavioral and psychological symptoms of dementia such as apathy/indifference, agitation, aggression, depression, anxiety, irritability/lability, dysphoria, aberrant motor behavior, delusions, hallucinations, elation/euphoria, psychosis, disinhibition, sleep and night time behavior disorders or appetite and eating disorders. The present invention further provides use of the said compounds in the manufacture of medicament intended for the treatment of the disorders described herein.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Abdul Rasheed MOHAMMED, Anil Karbhari SHINDE, Venkata Ramalingayya GRANDHI, Pradeep JAYARAJAN, Vijay BENADE, Gopinadh BHYRAPUNENI, Venkateswarlu JASTI
  • Publication number: 20210369685
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the methods of preparation, pharmaceutical composition, combinations and the use of compound formula (I), their stereoisomers, isotopic forms or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 21, 2018
    Publication date: December 2, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Abdul Rasheed MOHAMMED, Rajesh Kumar BADANGE, Raghava Choudary PALACHARLA, Venkateswarlu JASTI
  • Publication number: 20210346374
    Abstract: The present invention relates to an immediate release (IR) pharmaceutical composition comprising 1-[(2-bromophenyl)sulfonyl]-5-methoxy-3-[(4-methyl-1-piperazinyl) methyl]-1H-indole or pharmaceutically acceptable salt (s) and one or more pharmaceutically acceptable excipients. The present invention also relates to methods of preparation of said pharmaceutical compositions.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 11, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Koteshwara MUDIGONDA, Dhanunjay Kumar DOGIPARTI, Venkateswarlu JASTI
  • Publication number: 20210338661
    Abstract: The present invention relates to new uses of a pure 5-HT6 receptor antagonist, specifically 1-[(2-Bromophenyl)sulfonyl]-5-methoxy-3-[(4-methyl-1-piperazinyl)methyl]-1H-indole or a pharmaceutically acceptable salts thereof, for the treatment of dementia due to menopause, senile dementia, vascular dementia, chemotherapy-induced cognitive impairment and behavioral changes in dementia such as agitation, aggression, depression, anxiety, psychosis, disinhibition, or sleep disturbances. The present invention further provides use of the said compounds in the manufacture of medicament intended for the treatment of the disorders described herein.
    Type: Application
    Filed: June 29, 2018
    Publication date: November 4, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Venkata Ramalingayya GRANDHI, Pradeep JAYARAJAN, Venkateswarlu JASTI
  • Publication number: 20210340148
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of such compounds.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 4, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Abdul Rashee MOHAMMED, Anil Karbhari SHINDE, Srinivasa Rao RAVELLA, Ramkumar SUBRAMANIAN, Venkateswarlu JASTI
  • Patent number: 11116764
    Abstract: The present invention relates to pure 5-HT6 receptor antagonist or the pharmaceutically acceptable salt(s) thereof in combination with or as adjunct to NMDA receptor antagonist and their use in the treatment of cognitive disorders. The invention further relates to the pharmaceutical composition containing the said combination.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: September 14, 2021
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Ramasastri Kambhampati, Venkateswarlu Jasti
  • Publication number: 20210213026
    Abstract: The present invention provides new methods of treatment for narcolepsy, excessive daytime sleepiness, obstructive sleep apnea, circadian rhythm sleep disorders, sleep and vigilance disorders associated with Parkinson's disease, multiple sclerosis, dementia or attention deficit hyperactivity disorder by administering a therapeutically effect amount of histamine-3 receptor (H3R) inverse agonist, N-[4-(1-Cyclobutylpiperidin-4-yloxy)phenyl]-2-(morpholin-4-yl)acetamide or a pharmaceutically acceptable salt thereof. The present invention further provides use of the said compounds in the manufacture of medicament intended for the treatment of the disorders described herein.
    Type: Application
    Filed: August 1, 2018
    Publication date: July 15, 2021
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Vijay Sidram BENADE, Saivishal DARIPELLI, Pradeep JAYARAJAN, Jyothsna RAVULA, Venkateswarlu JASTI
  • Patent number: 11040026
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt(s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of compound formula (I).
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: June 22, 2021
    Assignee: Suven Life Sciences Limited
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Abdul Rasheed Mohammed, Rajesh Kumar Badange, Pradeep Jayarajan, Gopinadh Bhyrapuneni, Venkateswarlu Jasti
  • Patent number: 10973831
    Abstract: The present invention relates to fluoropiperidine compounds of formula (I), their stereoisomers, isotopic forms or pharmaceutically acceptable salts thereof as 5-HT6 receptor antagonists. In particular the present invention discloses the methods of preparation, pharmaceutical composition, combinations and use of fluoropiperidine compounds, their stereoisomers, isotopic forms or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: April 13, 2021
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna Nirogi, Anil Karbhari Shinde, Abdul Rasheed Mohammed, Rajesh Kumar Badange, Kumar Bojja, Vinod Kumar Goyal, Santosh Kumar Pandey, Jagadeesh Babu Thentu, Venkateswarlu Jasti
  • Publication number: 20200297703
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of compound formula (I).
    Type: Application
    Filed: October 26, 2018
    Publication date: September 24, 2020
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Abdul Rasheed MOHAMMED, Anil Karbhari SHINDE, Shankar Reddy GAGGINAPALLY, Durga Malleshwari KANCHARLA, Santosh Kumar PANDEY, Renny ABRAHAM, Venkateswarlu JASTI
  • Publication number: 20200237761
    Abstract: The present invention relates to compounds of formula (I), or their isotopic forms, stereoisomers, tautomers or pharmaceutically acceptable salt (s) thereof as muscarinic M1 receptor positive allosteric modulators (M1 PAMs). The present invention describes the preparation, pharmaceutical composition and the use of compound formula (I).
    Type: Application
    Filed: October 17, 2018
    Publication date: July 30, 2020
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Abdul Rasheed Rasheed MOHAMMED, Anil Karbhari SHINDE, Srinivas RAVELLA, Vanaja MIDDEKADI, Vinod Kumar GOYAL, Pradeep JAYARAJAN, Saivishal DARIPELLI, Venkateswarlu JASTI
  • Publication number: 20200155560
    Abstract: The present invention relates to fluoropiperidine compounds of formula (I), their stereoisomers, isotopic forms or pharmaceutically acceptable salts thereof as 5-HT6 receptor antagonists. In particular the present invention discloses the methods of preparation, pharmaceutical composition, combinations and use of fluoropiperidine compounds, their stereoisomers, isotopic forms or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: August 6, 2018
    Publication date: May 21, 2020
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Ramakrishna NIROGI, Anil Karbhari SHINDE, Abdul Rasheed MOHAMMED, Rajesh Kumar BADANGE, Kumar BOJJA, Vinod Kumar GOYAL, Santosh Kumar PANDEY, Jagadeesh Babu THENTU, Venkateswarlu JASTI