Patents by Inventor Thiwanka Samarakoon
Thiwanka Samarakoon 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).
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Patent number: 12172986Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: GrantFiled: May 31, 2019Date of Patent: December 24, 2024Assignee: EISAI R&D MANAGEMENT CO., LTDInventors: Ermira Pazolli, Silvia Buonamici, Thiwanka Samarakoon, Sudeep Prajapati, Nathan Fishkin, James Palacino, Michael Seiler, Ping Zhu, Andrew Cook, Peter Smith, Xiang Liu, Shelby Ellery, Dominic Reynolds, Lihua Yu, Zhenhua Wu, Shouyong Peng, Nicholas Calandra, Megan Sheehan, Yonghong Xiao
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Publication number: 20240360108Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: ApplicationFiled: February 19, 2024Publication date: October 31, 2024Inventors: Ermira PAZOLLI, Silvia BUONAMICI, Thiwanka SAMARAKOON, Sudeep PRAJAPATI, Nathan FISHKIN, James PALACINO, Michael SEILER, Ping ZHU, Andrew COOK, Peter SMITH, Xiang LIU, Shelby ELLERY, Dominic REYNOLDS, Lihua YU, Zhenhua WU, Shouyong PENG, Nicholas CALANDRA, Megan SHEEHAN, Yonghong XIAO
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Publication number: 20240327535Abstract: Antibodies, antigen-binding fragments, and conjugates (e.g., antibody-drug conjugates (ADCs) such as those comprising a splicing modulator) that bind to BCMA are disclosed. The disclosure further relates to methods and compositions for use in the treatment of cancer by administering a composition provided herein.Type: ApplicationFiled: June 12, 2024Publication date: October 3, 2024Inventors: Ryan Henry, Thiwanka Samarakoon, Nathan Fishkin, Ping Zhu, Ermira Pazolli, James Palacino, Juan C. Almagro
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Publication number: 20240262826Abstract: Disclosed is a compound represented by Formula (I) or a pharmaceutically acceptable salt thereof. The variables in Formula (I) are defined herein. Compounds of Formula (I) are useful for inhibiting wild type c-kit kinase and for treating disorders and diseases mediated by wild type c-kit kinase in humans or non-humans.Type: ApplicationFiled: March 13, 2024Publication date: August 8, 2024Inventors: Jason D. Brubaker, Yinghui Dai, Thomas A. Dineen, Guangyan Du, Cheng Fang, Andrew Marc Haidle, Joseph L. Kim, Emanuele Perola, Thiwanka Samarakoon, Douglas Wilson
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Patent number: 12043670Abstract: Antibodies, antigen-binding fragments, and conjugates (e.g., antibody-drug conjugates (ADCs) such as those comprising a splicing modulator) that bind to BCMA are disclosed. The disclosure further relates to methods and compositions for use in the treatment of cancer by administering a composition provided herein.Type: GrantFiled: June 4, 2021Date of Patent: July 23, 2024Assignee: Eisai R&D Management Co., Ltd.Inventors: Ryan Henry, Thiwanka Samarakoon, Nathan Fishkin, Ping Zhu, Ermira Pazolli, James Palacino, Juan C. Almagro
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Patent number: 11945807Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: GrantFiled: May 3, 2022Date of Patent: April 2, 2024Assignee: EISAI R&D MANAGEMENT CO., LTD.Inventors: Ermira Pazolli, Silvia Buonamici, Thiwanka Samarakoon, Sudeep Prajapati, Nathan Fishkin, James Palacino, Michael Seiler, Ping Zhu, Andrew Cook, Peter Smith, Xiang Liu, Shelby Ellery, Dominic Reynolds, Lihua Yu, Zhenhua Wu, Shouyong Peng, Nicholas Calandra, Megan Sheehan, Yonghong Xiao
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Publication number: 20230301990Abstract: The present disclosure provides novel pladienolide compounds, pharmaceutical compositions containing such compounds, and methods for using the compounds as therapeutic agents. These compounds may be useful in the treatment of cancer, particularly cancers in which agents that target the spliceosome and mutations therein are known to be useful. Also provided herein are methods of treating cancers by administering at least one compound disclosed herein and at least one additional therapy.Type: ApplicationFiled: March 7, 2023Publication date: September 28, 2023Applicant: Eisai R&D Management Co., Ltd.Inventors: Andrew COOK, Dominic REYNOLDS, Cheng ZHONG, Ryan BRAWN, Shelby ELLERY, Thiwanka SAMARAKOON, Xiang LIU, Sudeep PRAJAPATI, Megan SHEEHAN, Jason T. LOWE, James PALACINO
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Patent number: 11679107Abstract: The present disclosure provides pladienolide compounds, pharmaceutical compositions containing such compounds, and pladienolide compounds for use in methods of medical treatment. These compounds may be useful in the treatment of cancer, particularly cancers in which agents that target the spliceosome and mutations therein are known to be useful.Type: GrantFiled: April 11, 2019Date of Patent: June 20, 2023Assignee: EISAI R&D MANAGEMENT CO., LTD.Inventors: Andrew Cook, Dominic Reynolds, Cheng Zhong, Ryan Brawn, Shelby Ellery, Thiwanka Samarakoon, Xiang Liu, Sudeep Prajapati, Megan Sheehan, Jason T. Lowe, James Palacino
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Publication number: 20220380352Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: ApplicationFiled: May 3, 2022Publication date: December 1, 2022Inventors: Ermira PAZOLLI, Silvia BUONAMICI, Thiwanka SAMARAKOON, Sudeep PRAJAPATI, Nathan FISHKIN, James PALACINO, Michael SEILER, Ping ZHU, Andrew COOK, Peter SMITH, Xiang LIU, Shelby ELLERY, Dominic REYNOLDS, Lihua YU, Zhenhua WU, Shouyong PENG, Nicholas CALANDRA, Megan SHEEHAN, Yonghong XIAO
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Patent number: 11352348Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: GrantFiled: November 30, 2020Date of Patent: June 7, 2022Assignee: EISAI R&D MANAGEMENT CO., LTD.Inventors: Ermira Pazolli, Silvia Buonamici, Thiwanka Samarakoon, Sudeep Prajapati, Nathan Fishkin, James Palacino, Michael Seiler, Ping Zhu, Andrew Cook, Peter Smith, Xiang Liu, Shelby Ellery, Dominic Reynolds, Lihua Yu, Zhenhua Wu, Shouyong Peng, Nicholas Calandra, Megan Sheehan, Yonghong Xiao
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Publication number: 20220081486Abstract: Antibodies, antigen-binding fragments, and conjugates (e.g., antibody-drug conjugates (ADCs) such as those comprising a splicing modulator) that bind to BCMA are disclosed. The disclosure further relates to methods and compositions for use in the treatment of cancer by administering a composition provided herein.Type: ApplicationFiled: June 4, 2021Publication date: March 17, 2022Applicant: Eisai R&D Management Co., Ltd.Inventors: Ryan Henry, Thiwanka Samarakoon, Nathan Fishkin, Ping Zhu, Ermira Pazolli, James Palacino, Juan C. Almagro
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Publication number: 20220031859Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a herboxidiene splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. The herboxidiene itself is also claimed. Further claims are directed to its use, and to the use of a neoantigen, generated by the herboxidiene or its ADC, or a vaccine against this neoantigen.Type: ApplicationFiled: December 12, 2019Publication date: February 3, 2022Inventors: Nathan Fishkin, Thiwanka Samarakoon, James Palacino, Kenzo Arai, Yoshihiko Kotake, Shinya Okubo, Norio Murai, Masayuki Miyano
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Publication number: 20210299269Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: ApplicationFiled: May 31, 2019Publication date: September 30, 2021Inventors: Ermira PAZOLLI, Silvia BUONAMICI, Thiwanka SAMARAKOON, Sudeep PRAJAPATI, Nathan FISHKIN, James PALACINO, Michael SEILER, Ping ZHU, Andrew COOK, Peter SMITH, Xiang LIU, Shelby ELLERY, Dominic REYNOLDS, Lihua YU, Zhenhua WU, Shouyong PENG, Nicholas CALANDRA, Megan SHEEHAN, Yonghong Xiao
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Publication number: 20210177837Abstract: The present disclosure provides pladienolide compounds, pharmaceutical compositions containing such compounds, and pladienolide compounds for use in methods of medical treatment. These compounds may be useful in the treatment of cancer, particularly cancers in which agents that target the spliceosome and mutations therein are known to be useful. Also provided herein are pladienolide compounds for use in methods of treating cancers by administering at least one pladienolide compound disclosed herein and at least one additional therapy.Type: ApplicationFiled: April 11, 2019Publication date: June 17, 2021Applicant: Eisai R&D Management Co., Ltd.Inventors: Andrew COOK, Dominic REYNOLDS, Cheng ZHONG, Ryan BRAWN, Shelby ELLERY, Thiwanka SAMARAKOON, Xiang LIU, Sudeep PRAJAPATI, Megan SHEEHAN, Jason T. LOWE, James PALACINO
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Publication number: 20210101888Abstract: Linker-drug compounds and antibody-drug conjugates that bind to human oncology targets are disclosed. The linker-drug compounds and antibody-drug conjugates comprise a splicing modulator drug moiety. The disclosure further relates to methods and compositions for use in the treatment of neoplastic disorders by administering the antibody-drug conjugates provided herein. In an embodiment, the splicing modulator comprises a pladienolide or a pladienolide derivative.Type: ApplicationFiled: November 30, 2020Publication date: April 8, 2021Inventors: Ermira PAZOLLI, Silvia BUONAMICI, Thiwanka SAMARAKOON, Sudeep PRAJAPATI, Nathan FISHKIN, James PALACINO, Michael SEILER, Ping ZHU, Andrew COOK, Peter SMITH, Xiang LIU, Shelby ELLERY, Dominic REYNOLDS, Lihua YU, Zhenhua WU, Shouyong PENG, Nicholas CALANDRA, Megan SHEEHAN, Yonghong XIAO
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Publication number: 20200255415Abstract: Disclosed herein are compounds, or pharmaceutically acceptable salts thereof, and methods of using the compounds for treating breast cancer by administration to a subject in need thereof a therapeutically effective amount of the compounds or pharmaceutically acceptable salts thereof. The breast cancer may be an ER-positive breast cancer and/or the subject in need of treatment may express a mutant ER-? protein.Type: ApplicationFiled: November 22, 2017Publication date: August 13, 2020Applicant: Eisai R&D Management Co., Ltd.Inventors: Mark Bock, Ming-Hong Hao, Manav Korpal, Vijay Kumar Nyavanandi, Xiaoling Puyang, Susanta Samajdar, Peter Gerard Smith, John Wang, Guo Zhu Zheng, Ping Zhu, Lorna Helen Mitchell, Nicholas Larsen, Nathalie Rioux, Sudeep Prajapati, Dominic Reynolds, Morgan O'Shea, Thiwanka Samarakoon
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Publication number: 20180141913Abstract: Disclosed herein are compounds, or pharmaceutically acceptable salts thereof, and methods of using the compounds for treating breast cancer by administration to a subject in need thereof a therapeutically effective amount of the compounds or pharmaceutically acceptable salts thereof. The breast cancer may be an ER-positive breast cancer and/or the subject in need of treatment may express a mutant ER-? protein.Type: ApplicationFiled: November 22, 2017Publication date: May 24, 2018Applicant: EISAI R & D MANAGEMENT CO., LTD.Inventors: Mark BOCK, Ming-Hong HAO, Manav KORPAL, Vijay Kumar NYAVANANDI, Xiaoling PUYANG, Susanta SAMAJDAR, Peter Gerard SMITH, John WANG, Guo Zhu ZHENG, Ping ZHU, Lorna Helen MITCHELL, Nicholas LARSEN, Nathalie RIOUX, Sudeep PRAJAPATI, Dominic REYNOLDS, Morgan O'SHEA, Thiwanka SAMARAKOON
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Patent number: 9382228Abstract: Described are compounds of Formula I which find utility in the treatment of cancer, autoimmune diseases and metabolic bone disorders through inhibition of c-FMS (CSF-1R), c-KIT, and/or PDGFR kinases. These compounds also find utility in the treatment of other mammalian diseases mediated by c-FMS, c-KIT, or PDGFR kinases.Type: GrantFiled: March 14, 2014Date of Patent: July 5, 2016Assignee: Deciphera Pharmaceuticals, LLCInventors: Daniel L. Flynn, Timothy Malcolm Caldwell, Michael D. Kaufman, William C. Patt, Thiwanka Samarakoon, Lakshminarayana Vogeti, Karen M. Yates
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Patent number: 9309224Abstract: Described are compounds of Formula 1 which find utility in the treatment of cancer, autoimmune diseases and metabolic bone disorders through inhibition of c-FMS (CSF-1R), c-KIT, and/or PDGFR kinases. These compounds also find utility in the treatment of other mammalian diseases mediated by c-FMS, c-KIT, or PDGFR kinases.Type: GrantFiled: March 14, 2014Date of Patent: April 12, 2016Assignee: Deciphera Pharmaceuticals, LLC.Inventors: Daniel L. Flynn, Timothy Malcolm Caldwell, Thiwanka Samarakoon, Lakshminarayana Vogeti, Michael D. Kaufman, William C. Patt, YuMi Ahn
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Publication number: 20160046619Abstract: Described are compounds of Formula I which find utility in the treatment of cancer, autoimmune diseases and metabolic bone disorders through inhibition of c-FMS (CSF-1R), c-KIT, and/or PDGFR kinases. These compounds also find utility in the treatment of other mammalian diseases mediated by c-FMS, c-KIT, or PDGFR kinases.Type: ApplicationFiled: August 3, 2015Publication date: February 18, 2016Inventors: Daniel L. Flynn, Michael D. Kaufman, Thiwanka Samarakoon, Timothy Malcolm Caldwell, Lakshminarayana Vogeti, YuMi Ahn, William C. Patt, Karen M. Yates