Patents Assigned to Endocyte, Inc.
-
Patent number: 12269862Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells wherein the CAR T cells comprise a CAR and the CAR comprises an E2 anti-fluorescein antibody fragment, and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: August 31, 2023Date of Patent: April 8, 2025Assignees: Endocyte, Inc., Purdue Research Foundation, Seattle Children's HospitalInventors: Philip Stewart Low, Haiyan Chu, Yingjuan June Lu, Christopher Paul Leamon, Leroy W. Wheeler, II, Michael C. Jensen, James Matthaei
-
Patent number: 12240870Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: February 22, 2019Date of Patent: March 4, 2025Assignees: Purdue Research Foundation, Endocyte, Inc, Seattle Children's HospitalInventors: Richard Messmann, Christopher Paul Leamon, Haiyan Chu, Yingjuan June Lu, Philip Stewart Low, Michael C. Jensen, James Matthaei, Navin Robert Charles Pinto, Julie Ruggieri Park
-
Patent number: 12208102Abstract: The invention described herein pertains to drug delivery conjugates for targeted therapy. The invention described herein relates to methods of treating PSMA expressing cancers with a compound of the formula 1. The invention described herein also relates to methods of treating PSMA-expressing cancers with a compound of the formula 1 inpatients where stable disease results after treatment with the compound of the formula 1.Type: GrantFiled: April 16, 2019Date of Patent: January 28, 2025Assignee: ENDOCYTE, INC.Inventor: Alison A. Armour
-
Patent number: 12178892Abstract: Described herein are compounds, compositions, and methods for diagnosing and/or monitoring pathogenic disease using positron emission tomography. Also described are conjugates of the formula B-L-P, wherein B is a radical of a targeting agent selected from vitamin receptor binding ligands (such as folate), PSMA binding ligands, or PSMA inhibitors; L is a divalent linker comprising aspartic acid, lysine, or arginine, and P is a radical of an imaging agent or radiotherapy agent, such as a radionuclide or radionuclide containing group, or a radical of a compound capable of binding a radionuclide, such as a metal chelating group.Type: GrantFiled: September 29, 2021Date of Patent: December 31, 2024Assignees: Purdue Research Foundation, Endocyte, Inc.Inventors: Iontcho R Vlahov, Christopher P Leamon, Philip S. Low, Garth L Parham, Qingshou Chen
-
Patent number: 12144850Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: April 7, 2017Date of Patent: November 19, 2024Assignees: Purdue Research Foundation, Endocyte, IncInventors: Philip Stewart Low, Haiyan Chu, Yong Gu Lee
-
Patent number: 11850262Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: February 28, 2018Date of Patent: December 26, 2023Assignees: Purdue Research Foundation, Endocyte, Inc.Inventors: Philip Stewart Low, Haiyan Chu, Yong Gu Lee, Yingjuan J. Lu, Christopher Paul Leamon, Leroy W. Wheeler, II
-
Patent number: 11779602Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells wherein the CAR T cells comprise a CAR and the CAR comprises an E2 anti-fluorescein antibody fragment, and administering to the patient a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: January 22, 2019Date of Patent: October 10, 2023Assignees: Endocyte, Inc., Purdue Research Foundation, Seattle Children's HospitalInventors: Philip Stewart Low, Haiyan Chu, Yingjuan June Lu, Christopher Paul Leamon, Leroy W. Wheeler, II, Michael C. Jensen, James Matthaei
-
Patent number: 11759480Abstract: The present disclosure relates to methods of treating a patient with a cancer by administering to the patient a composition comprising CAR T cells and a small molecule linked to a targeting moiety by a linker. The disclosure also relates to compositions for use in such methods.Type: GrantFiled: July 6, 2020Date of Patent: September 19, 2023Assignees: ENDOCYTE, INC., PURDUE RESEARCH FOUNDATIONInventors: Philip Stewart Low, Haiyan Chu, Yong Gu Lee, Yingjuan J. Lu, Christopher Paul Leamon, Leroy W Wheeler, II
-
Patent number: 11219622Abstract: Conjugates of antifolates, releasable linkers, and drugs, and pharmaceutical compositions containing them are described. The conjugates are useful for treating diseases arising from pathogenic cell populations. Methods for treating such diseases are also described.Type: GrantFiled: June 13, 2019Date of Patent: January 11, 2022Assignees: Endocyte, Inc., Purdue Research FoundationInventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Philip Stewart Low
-
Patent number: 10912840Abstract: The invention described herein pertains to the diagnosis, imaging, and/or treatment of pathogenic cell populations. In particular, the invention described herein pertains to the diagnosis, imaging, and/or treatment of diseases caused by PSMA expressing cells, such as prostate cancer cells, using compounds capable of targeting PSMA expressing cells.Type: GrantFiled: May 11, 2018Date of Patent: February 9, 2021Assignee: ENDOCYTE, INC.Inventors: Iontcho Radoslavov Vlahov, Joseph Anand Reddy, Alicia Bloomfield, Ryan Dorton, Melissa Nelson, Marilynn Vetzel, Christopher Paul Leamon
-
Patent number: 10898596Abstract: The invention described herein relates to conjugates and compositions for imaging, diagnosing, and/or monitoring diseases using radionuclide-based imaging. In particular, the invention described herein relates to conjugates and compositions for imaging, diagnosing, and/or monitoring diseases using positron emission tomography.Type: GrantFiled: December 21, 2018Date of Patent: January 26, 2021Assignee: Endocyte, Inc.Inventors: Iontcho R. Vlahov, Christopher P. Leamon, Hari Krishna R. Santhapuram
-
Patent number: 10857234Abstract: The present disclosure relates to compositions and methods of carbonic anhydrase IX inhibitors. The present disclosure also relates to targeting conjugates of carbonic anhydrase IX inhibitors as therapeutics and imaging agents. The present disclosure also relates to the use of targeting conjugates of carbonic anhydrase IX inhibitors in imaging methods and cancer therapy.Type: GrantFiled: March 16, 2017Date of Patent: December 8, 2020Assignee: Endocyte Inc.Inventors: Christopher P. Leamon, Iontcho R. Vlahov, Jonathan M. Shillingford, Paul J. Kleindl
-
Patent number: 10738086Abstract: Described herein are compositions and methods for use in targeted drug delivery using cell-surface receptor binding drug delivery conjugates containing hydrophilic spacer linkers for use in treating disease states caused by pathogenic cell populations.Type: GrantFiled: February 13, 2017Date of Patent: August 11, 2020Assignee: Endocyte Inc.Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Hari Krishna R. Santhapuram, Paul Joseph Kleindl, Kevin Yu Wang, Fei You
-
Publication number: 20200147072Abstract: Conjugates of antifolates, releasable linkers, and drugs, and pharmaceutical compositions containing them are described. The conjugates are useful for treating diseases arising from pathogenic cell populations. Methods for treating such diseases are also described.Type: ApplicationFiled: June 13, 2019Publication date: May 14, 2020Applicants: Purdue Research Foundation, Endocyte, Inc.Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Philip Stewart Low
-
Patent number: 10647676Abstract: This invention pertains to bivalent linkers, and the synthesis and use thereof. In particular, this invention pertains to the synthesis and use of bivalent linkers in preparing vitamin, drug, diagnostic agent, and/or imaging agent conjugates. The present invention includes divalent linkers, which are alternatively referred to as bivalent linkers, that may be used to couple, link, bond, attach, or otherwise associate two or more chemical entities. This coupling, linking, attachment, or association may be used in the formation of conjugates of such chemical entities. Those chemical entities include targeting ligands and receptor-binding ligands, such as vitamins. Those chemical entities also include drugs for treating various diseases or disease states, and imaging and diagnostic agents for diagnosing, detecting, or otherwise monitoring various diseases or disease states.Type: GrantFiled: June 18, 2019Date of Patent: May 12, 2020Assignee: Endocyte, Inc.Inventors: Iontcho R. Vlahov, Christopher P. Leamon, Apparao Satyam, Stephen J. Howard
-
Patent number: 10624972Abstract: The present disclosure relates to pyrrolobenzodiazepine (PBD) prodrugs and conjugates thereof. The present disclosure also relates to pharmaceutical compositions of the conjugates described herein, methods of making and methods of using the same.Type: GrantFiled: March 13, 2015Date of Patent: April 21, 2020Assignee: Endocyte, Inc.Inventors: Iontcho Radoslavov Vlahov, Christopher Paul Leamon, Longwu Qi, Yingcai Wang, Kevin Yu Wang, Ning Zou, Albert E. Felten
-
Patent number: 10500204Abstract: Described herein are compositions, methods, compounds, conjugates, and kits for use in targeted drug delivery using drug delivery conjugates containing hydrophilic spacer linkers for use in treating disease states caused by pathogenic cell populations, such as inflammatory cells.Type: GrantFiled: November 13, 2017Date of Patent: December 10, 2019Assignee: Endocyte, Inc.Inventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Yingjuan June Lu, Kevin Yu Wang, Fei You, Paul Joseph Kleindl, Hari Krishna R. Santhapuram
-
Patent number: 10500286Abstract: The disclosure provided herein pertains to CCK2R-drug conjugates. In particular, the disclosure pertains to CCK2R-drug conjugates that target the delivery of drugs to a mammalian recipient. Also described are methods of making and using CCK2R-drug conjugates.Type: GrantFiled: August 10, 2016Date of Patent: December 10, 2019Assignee: Endocyte, Inc.Inventors: Garth L. Parham, Melissa Nelson, Marilynn Vetzel, Christina M. Dircksen, Joseph Anand Reddy, Christopher Paul Leamon, Iontcho Radoslavov Vlahov
-
Patent number: 10420850Abstract: The present disclosure relates to a method for imaging cancer by administering to a patient a labeled chelating compound and an unlabeled chelating compound.Type: GrantFiled: August 11, 2016Date of Patent: September 24, 2019Assignee: Endocyte, Inc.Inventor: Christopher Paul Leamon
-
Patent number: 10363250Abstract: Conjugates of antifolates, releasable linkers, and drugs, and pharmaceutical compositions containing them are described. The conjugates are useful for treating diseases arising from pathogenic cell populations. Methods for treating stroll diseases are also described.Type: GrantFiled: December 13, 2016Date of Patent: July 30, 2019Assignees: Endocyte, Inc., Purdue Research FoundationInventors: Christopher Paul Leamon, Iontcho Radoslavov Vlahov, Philip Stewart Low