Patents by Inventor Ashish Chatterji
Ashish Chatterji 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: 20220241260Abstract: Pharmaceutical compositions of metabotropic glutamate 5 receptor (mGlu5) antagonists or a pharmacologically acceptable salt thereof are disclosed. The compositions contain the therapeutic active compound with non-ionic polymer and ionic polymer, binder and fillers in either matrix pellet, matrix tablet or coated pellets. The compositions provide a pH-independent in vitro release profile with NMT 70% in one hour, NMT 85% in 4 hour, and NLT 80% in 8 hours. The compositions are useful for the treatment of CNS disorders, such as Treatment-Resistant Depression (TRD) and Fragile X Syndrome.Type: ApplicationFiled: October 29, 2020Publication date: August 4, 2022Inventors: Ashish Chatterji, Jingjun Huang, Stephanie Koennings, Kal Lindenstruth, Harpreet Sandhu, Navnit Shah
-
Publication number: 20220218604Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: ApplicationFiled: March 24, 2022Publication date: July 14, 2022Applicant: AMNEAL COMPLEX PRODUCTS RESEARCH LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Patent number: 11318091Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: GrantFiled: April 19, 2021Date of Patent: May 3, 2022Assignee: Amneal Complex Products Research LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Publication number: 20210236421Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: ApplicationFiled: April 19, 2021Publication date: August 5, 2021Applicant: AMNEAL COMPLEX PRODUCTS RESEARCH LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Patent number: 11007145Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: GrantFiled: October 7, 2020Date of Patent: May 18, 2021Assignee: KASHIV SPECIALTY PHARMACEUTICALS, LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Publication number: 20210052567Abstract: Pharmaceutical compositions of metabotropic glutamate 5 receptor (mGlu5) antagonists or a pharmacologically acceptable salt thereof are disclosed. The compositions contain the therapeutic active compound with non-ionic polymer and ionic polymer, binder and fillers in either matrix pellet, matrix tablet or coated pellets. The compositions provide a pH-independent in vitro release profile with NMT 70% in one hour, NMT 85% in 4 hour, and NLT 80% in 8 hours. The compositions are useful for the treatment of CNS disorders, such as Treatment-Resistant Depression (TRD) and Fragile X Syndrome.Type: ApplicationFiled: October 29, 2020Publication date: February 25, 2021Inventors: Ashish Chatterji, Jingjum Huang, Stephanie Koennings, Kal Lindenstruth, Harpreet Sandhu, Navnit Shah
-
Patent number: 10918597Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: GrantFiled: June 18, 2018Date of Patent: February 16, 2021Assignee: KASHIV SPECIALTY PHARMACEUTICALS, LLCInventors: Kanji Meghpara, Harpreet Kaur Sandhu, Ashish Chatterji, Navnit H. Shah, Wantanee Phuapradit, Dipen Desai, Jaydeep Vaghashiya
-
Publication number: 20210022999Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: ApplicationFiled: October 7, 2020Publication date: January 28, 2021Applicant: KASHIV SPECIALTY PHARMACEUTICALS, LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Patent number: 10857098Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: GrantFiled: May 6, 2020Date of Patent: December 8, 2020Assignee: KASHIV SPECIALTY PHARMACEUTICALS, LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Publication number: 20200337998Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: ApplicationFiled: June 18, 2018Publication date: October 29, 2020Applicant: KASHIV PHARMA LLCInventors: Kanji Meghpara, Harpreet Kaur Sandhu, Ashish Chatterji, Navnit H. Shah, Wantanee Phuapradit, Dipen Desai, Jaydeep Vaghashiya
-
Publication number: 20200261359Abstract: The present disclosure is directed to floating gastroretentive dosage forms with prolonged gastric residence time. The disclosure also provides rapidly expanding sustained release or combined immediate release and sustained release formulations comprising drugs that require targeted release in the proximal gastrointestinal tract for maximum therapeutic benefit. The rapidly expanding floating gastroretentive dosage forms comprise a permeable elastic membrane providing desired characteristics for drug release and mechanical strength to maintain tablet integrity.Type: ApplicationFiled: May 6, 2020Publication date: August 20, 2020Applicant: KASHIV BIOSCIENCES, LLCInventors: Kanji Meghpara, Jaydeep Vaghashiya, Navnit H. Shah, Dipen Desai, Wantanee Phuapradit, Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Namdev B. Shelke, Ashish Chatterji
-
Patent number: 10744131Abstract: Disclosed are abuse resistant oral pharmaceutical compositions that reduce the likelihood of improper administration of drugs that are susceptible to abuse. The oral pharmaceutical formulations contain abuse deterrent agents that cause discomfort to the user when administered in an improper manner and make the extraction of an active ingredient more difficult. Methods of making and using the compositions are also disclosed.Type: GrantFiled: December 31, 2014Date of Patent: August 18, 2020Assignee: KASHIV BIOSCIENCES, LLCInventors: Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Ashish Chatterji, Dipen Desai, Wantanee Phuapradit, Navnit H. Shah
-
Patent number: 10695296Abstract: Embodiments of the disclosure relate generally to formulations, methods, kits, and dosage forms for improved stability of an active pharmaceutical ingredient, wherein the active ingredient comprises a compound of the formula: wherein X is N, Y is H or optionally substituted C1-C6 alkyl; R4 is morpholine optionally substituted with by C1-C6 alkyl; R7 is C1-C6 alkyl optionally substituted by one or more F; R8? is halogen; and R6 is wherein R10 is H, C1-C6 alkyl, halogen, CN or CF3; R12 is H or halogen; R13 is H, halogen or C1-C6 alkyl; and R17 is H, C1-C6 alkyl, (C1-C6 alkyl)-NH2; and, pharmaceutically acceptable salts and free bases thereof, wherein the active ingredient remains in substantially amorphous form after storage of the pharmaceutical formulation for a predetermined time and conditions.Type: GrantFiled: July 16, 2018Date of Patent: June 30, 2020Assignee: Asana BioSciences, LLCInventors: Navnit Shah, Harpreet Sandhu, Ashish Chatterji, Helen Usansky, Louis Denis, Niranjan Rao, Sarper Toker
-
Patent number: 10632113Abstract: Disclosed are solid oral pharmaceutical compositions that that are intended to provide protection against overdose and tampering, as well as abuse deterrence. The compositions contain a plurality of granules or multi-particulates. A first population of multi particulates contains an API or drug susceptible to abuse, a polymer matrix, and an outer coating that contains a cationic pH dependent polymer. These multi particulates also contain a plasticizer and a surfactant. A second population of multi particulates contains a viscosity building polymer and an alkaline buffering agent. Compositions may further include a disintegrant, and/or additional viscosity building polymers and/or alkaline buffering agents and/or ion exchange polymers. Also disclosed are the methods of making and using the compositions.Type: GrantFiled: February 5, 2015Date of Patent: April 28, 2020Assignee: KASHIV BIOSCIENCES, LLCInventors: Siva Ram Kiran Vaka, Ashish Chatterji, Dipen Desai, Wantanee Phuapradit, Navnit H. Shah, Atsawin Thongsukmak, Kanji Meghpara
-
Publication number: 20190216789Abstract: Pharmaceutical compositions of metabotropic glutamate 5 receptor (mGlu5) antagonists or a pharmacologically acceptable salt thereof are disclosed. The compositions contain the therapeutic active compound with non-ionic polymer and ionic polymer, binder and fillers in either matrix pellet, matrix tablet or coated pellets. The compositions provide a pH-independent in vitro release profile with NMT 70% in one hour, NMT 85% in 4 hour, and NLT 80% in 8 hours. The compositions are useful for the treatment of CNS disorders, such as Treatment-Resistant Depression (FRD) and Fragile X Syndrome.Type: ApplicationFiled: January 11, 2019Publication date: July 18, 2019Inventors: Ashish Chatterji, Jingjum Huang, Stephanie Koennings, Kal Lindenstruth, Harpreet Sandhu, Navnit Shah
-
Publication number: 20190015337Abstract: Embodiments of the disclosure relate generally to formulations, methods, kits, and dosage forms for improved stability of an active pharmaceutical ingredient, wherein the active ingredient comprises a compound of the formula: wherein X is N, Y is H or optionally substituted C1-C6 alkyl; R4 is morpholine optionally substituted with by C1-C6 alkyl; R7 is C1-C6 alkyl optionally substituted by one or more F; R8? is halogen; and R6 is wherein R10 is H, C1-C6 alkyl, halogen, CN or CF3; R12 is H or halogen; R13 is H, halogen or C1-C6 alkyl; and R17 is H, C1-C6 alkyl, (C1-C6 alkyl)-NH2; and, pharmaceutically acceptable salts and free bases thereof, wherein the active ingredient remains in substantially amorphous form after storage of the pharmaceutical formulation for a predetermined time and conditions.Type: ApplicationFiled: July 16, 2018Publication date: January 17, 2019Inventors: Navnit Shah, Harpreet Sandhu, Ashish Chatterji, Helen Usansky, Louis Denis, Niranjan Rao, Sarper Toker
-
Publication number: 20180303757Abstract: The present technology relates to an extended-release solid oral pharmaceutical composition, comprising a cured blend of a melt-extruded first component and a second component, wherein the melt-extruded first component comprises a therapeutically effective amount of an opioid or a pharmaceutically acceptable salt thereof, at least one PEO polymer, and a stabilizing agent; and the second component comprises at least one PEO polymer and an oxidative stabilizing agent. The extended-release pharmaceutical compositions of the present technology provide crush-resistant and abuse-deterrent formulations featuring enhanced heat stability, resistance to drug segregation, and resistance to alcohol-induced dose dumping.Type: ApplicationFiled: October 21, 2016Publication date: October 25, 2018Applicant: KASHIV PHARMA LLCInventors: Siddhartha Banerjee, Navnit H. Shah, Gaurang Patel, Murali Mohan Bommana, Ashish Chatterji, Anita Kumar, Petra Inbar, Furong Liu, Srinivas Kone, Priti L. Jagani, Wantanee Phuapradit
-
Publication number: 20170202819Abstract: Pharmaceutical compositions of metabotropic glutamate 5 receptor (mGlu5) antagonists or a pharmacologically acceptable salt thereof are disclosed. The compositions contain the therapeutic active compound with non-ionic polymer and ionic polymer, binder and fillers in either matrix pellet, matrix tablet or coated pellets. The compositions provide a pH-independent in vitro release profile with NMT 70% in one hour, NMT 85% in 4 hour, and NLT 80% in 8 hours. The compositions are useful for the treatment of CNS disorders, such as Treatment-Resistant Depression (TRD) and Fragile X Syndrome.Type: ApplicationFiled: January 11, 2017Publication date: July 20, 2017Inventors: Ashish Chatterji, Jingjun Huang, Stephanie Koennings, Kai Lindenstruth, Harpreet Sandhu, Navnit Shah
-
Publication number: 20160346274Abstract: Disclosed are solid oral pharmaceutical compositions that that are intended to provide protection against overdose and tampering, as well as abuse deterrence. The compositions contain a plurality of granules or multi-particulates. A first population of multi particulates contains an API or drug susceptible to abuse, a polymer matrix, and an outer coating that contains a cationic pH dependent polymer. These multi particulates also contain a plasticizer and a surfactant. A second population of multi particulates contains a viscosity building polymer and an alkaline buffering agent. Compositions may further include a disintegrant, and/or additional viscosity building polymers and/or alkaline buffering agents and/or ion exchange polymers. Also disclosed are the methods of making and using the compositions.Type: ApplicationFiled: February 5, 2015Publication date: December 1, 2016Applicant: KASHIV PHARMA, LLCInventors: Siva Ram Kiran Vaka, Ashish Chatterji, Dipen Desai, Wantanee Phuapradit, Navnit H. Shah, Atsawin Tohngsukmak, Kanji Meghpara
-
Publication number: 20160317530Abstract: Disclosed are abuse resistant oral pharmaceutical compositions that reduce the likelihood of improper administration of drugs that are susceptible to abuse. The oral pharmaceutical formulations contain abuse deterrent agents that cause discomfort to the user when administered in an improper manner and make the extraction of an active ingredient more difficult. Methods of making and using the compositions are also disclosed.Type: ApplicationFiled: December 31, 2014Publication date: November 3, 2016Applicant: Kashiv Pharma, LLCInventors: Harpreet Kaur Sandhu, Siva Ram Kiran Vaka, Ashish Chatterji, Dipen Desai, Wantanee Phuapradit, Navnit H. Shah