Patents Assigned to Marinus Pharmaceuticals, Inc.
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Patent number: 12246026Abstract: This invention relates to methods for treating status epilepticus by administering to the subject in need thereof an intravenous bolus of ganaxolone and a continuous intravenous infusion of a neurosteroid. The method provides SE suppression and continued suppression of SE.Type: GrantFiled: August 4, 2021Date of Patent: March 11, 2025Assignee: Marinus Pharmaceuticals, Inc.Inventors: David Czekai, Maciej Gasior, Lorianne Masuoka, Julia Tsai, Joseph Hulihan, Alex Aimetti
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Patent number: 12115169Abstract: The disclosure to methods for treating tuberous sclerosis complex and epilepsy disorders comprising administering to a subject in need thereof a therapeutically effective amount of ganaxolone or a pharmaceutically acceptable salt thereof.Type: GrantFiled: February 5, 2024Date of Patent: October 15, 2024Assignee: Marinus Pharmaceuticals, Inc.Inventors: Joseph Hulihan, Alex Aimetti, Scott Braunstein
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Patent number: 11980625Abstract: The disclosure to methods for treating tuberous sclerosis complex or tuberous sclerosis complex-related epilepsy, comprising administering to a subject in need thereof a therapeutically effective amount of a pharmaceutically acceptable pregnenolone neurosteroid, such as ganaxolone, to reduce one or more symptoms of tuberous sclerosis complex or tuberous sclerosis complex-related epilepsy.Type: GrantFiled: April 26, 2023Date of Patent: May 14, 2024Assignee: Marinus Pharmaceuticals, Inc.Inventors: Alex Aimetti, Joseph Hulihan, Scott Braunstein
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Patent number: 11701367Abstract: The disclosure to methods for treating tuberous sclerosis complex or tuberous sclerosis complex-related epilepsy, comprising administering to a subject in need thereof a therapeutically effective amount of a pharmaceutically acceptable pregnenolone neurosteroid, such as ganaxolone, to reduce one or more symptoms of tuberous sclerosis complex or tuberous sclerosis complex-related epilepsy.Type: GrantFiled: March 1, 2022Date of Patent: July 18, 2023Assignee: Marinus Pharmaceuticals, Inc.Inventors: Alex Aimetti, Joseph Hulihan, Scott Braunstein
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Patent number: 11679117Abstract: This invention relates to methods for treating status epilepticus by administering to the subject in need thereof an intravenous bolus of ganaxolone and a continuous intravenous infusion of a neurosteroid. The method provides SE suppression and continued suppression of SE.Type: GrantFiled: April 26, 2022Date of Patent: June 20, 2023Assignee: Marinus Pharmaceuticals, Inc.Inventors: David Czekai, Maciej Gasior, Lorianne Masuoka, Julia Tsai, Joseph Hulihan, Alex Aimetti
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Patent number: 11266662Abstract: Uses of ganaxolone in prophylaxis and treatment of postpartum depression are described. A dose of ganaxolone is administered to a female suffering from postpartum depression or at risk of developing postpartum depression in an amount and at a rate sufficient to alleviate at least one symptom of postpartum depression in the female.Type: GrantFiled: December 6, 2019Date of Patent: March 8, 2022Assignee: Marinus Pharmaceuticals, Inc.Inventors: Alex Aimetti, Christopher Cashman, Lorianne Masuoka, Jaakko Lappalainen
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Patent number: 11110100Abstract: This invention relates to methods for treating status epilepticus by administering to the subject in need thereof an intravenous bolus of ganaxolone and a continuous intravenous infusion of a neurosteroid. The method provides SE suppression and continued suppression of SE.Type: GrantFiled: February 26, 2021Date of Patent: September 7, 2021Assignee: Marinus Pharmaceuticals, Inc.Inventors: David Czekai, Maciej Gasior, Lorianne Masuoka, Julia Tsai, Joseph Hulihan, Alex Aimetti
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Patent number: 11071740Abstract: In certain embodiments, the invention is directed to composition comprising stable particles comprising ganaxolone, wherein the volume weighted median diameter (D50) of the particles is from about 50 nm to about 500 nm.Type: GrantFiled: October 2, 2018Date of Patent: July 27, 2021Assignee: Marinus Pharmaceuticals, Inc.Inventors: Kenneth Shaw, Mingbao Zhang
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Patent number: 11000531Abstract: The disclosure provides a method of treating a patient having postpartum depression, premenstrual dysphoric disorder, menopausal depression, or delirium tremens comprising administering an effective amount of an injectable neurosteroid formulation to the patient. In certain embodiments the injectable neurosteroid formulation is an injectable ganaxolone formulation. Two types of injectable neurosteroid formulations may be used in the disclosed methods. The first such formulation is an injectable formulation containing ganaxolone and sulfobutyl ether ?-cyclodextrin in a 1:1 inclusion complex. The second such formulation is an injectable neurosteroid formulation comprising a neurosteroid, preferably ganaxolone, but which may be a neurosteroid selected from allopregnanolone, ganaxolone, alphaxalone, alphadolone, hydroxydione, minaxolone, pregnanolone, tetrahydrocorticosterone, and combinations of the foregoing; a surface stabilizer selected from hydroxyl ethyl starch, dextran, and povidone; and a surfactant.Type: GrantFiled: March 25, 2020Date of Patent: May 11, 2021Assignee: Marinus Pharmaceuticals, Inc.Inventors: Christopher Cashman, Jaakko Lappalainen, David A. Czekai
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Patent number: 10780099Abstract: The disclosure provides an injectable neurosteroid nanoparticle formulation comprising nanoparticles having a D50 of less than 2000 nm the nanoparticles comprising a neurosteroid of Formula I, where the variables R1-R9 and X are defined herein and at least one surface stabilizer. The surface stabilizer can be a polymeric surface stabilizer such as hydroxyethyl starch, dextran, or povidone. The injectable neurosteroid nanoparticle formulation can be an intravenous formulation. The disclosure also provides a lyophilized powder of the injectable neurosteroid nanoparticle formulation that can be reconstituted in an aqueous solution prior to administration. The disclosure provides injectable neurosteroid nanoparticle formulations and dry powders of such formulations that have been sterilized by ebeam irradiation.Type: GrantFiled: October 14, 2016Date of Patent: September 22, 2020Assignee: MARINUS PHARMACEUTICALS, INC.Inventors: Mingbao Zhang, Raymond C. Glowaky, David Czekai
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Publication number: 20200179403Abstract: Uses of ganaxolone in prophylaxis and treatment of postpartum depression are described. A dose of ganaxolone is administered to a female suffering from postpartum depression or at risk of developing postpartum depression in an amount and at a rate sufficient to alleviate at least one symptom of postpartum depression in the female.Type: ApplicationFiled: December 6, 2019Publication date: June 11, 2020Applicant: Marinus Pharmaceuticals, Inc.Inventors: Alex Aimetti, Christopher Cashman, Lorianne Masuoka, Jaakko Lappalainen
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Patent number: 10639317Abstract: The disclosure provides a method of treating a patient having postpartum depression, premenstrual dysphoric disorder, menopausal depression, or delirium tremens comprising administering an effective amount of an injectable neurosteroid formulation to the patient. In certain embodiments the injectable neurosteroid formulation is an injectable ganaxolone formulation. Two types of injectable neurosteroid formulations may be used in the disclosed methods. The first such formulation is an injectable formulation containing ganaxolone and sulfobutyl ether ?-cyclodextrin in a 1:1 inclusion complex. The second such formulation is an injectable neurosteroid formulation comprising a neurosteroid, preferably ganaxolone, but which may be a neurosteroid selected from allopregnanolone, ganaxolone, alphaxalone, alphadolone, hydroxydione, minaxolone, pregnanolone, tetrahydrocorticosterone, and combinations of the foregoing; a surface stabilizer selected from hydroxyl ethyl starch, dextran, and povidone; and a surfactant.Type: GrantFiled: October 3, 2018Date of Patent: May 5, 2020Assignee: MARINUS PHARMACEUTICALS INC.Inventors: Christopher Cashman, Jaakko Lappalainen, David A Czekai
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Patent number: 10391105Abstract: The disclosure provides a method of treating a patient having postpartum depression, premenstrual dysphoric disorder, menopausal depression, or delirium tremens comprising administering an effective amount of an injectable neurosteroid formulation to the patient. In certain embodiments the injectable neurosteroid formulation is an injectable ganaxolone formulation. Two types of injectable neurosteroid formulations may be used in the disclosed methods. The first such formulation is an injectable formulation containing ganaxolone and sulfobutyl ether ?-cyclodextrin in a 1:1 inclusion complex. The second such formulation is an injectable neurossteroid formulation comprising a neurosteroid, preferably ganaxolone, but which may be a neurosteroid selected from allopregnanolone, ganaxolone, alphaxalone, alphadolone, hydroxydione, minaxolone, pregnanolone, tetrahydrocorticosterone, and combinations of the foregoing; a surface stabilizer selected from hydroxyl ethyl starch, dextran, and povidone; and a surfactant.Type: GrantFiled: September 11, 2017Date of Patent: August 27, 2019Assignee: MARINUS PHARMACEUTICALS INC.Inventors: Christopher Cashman, Jaakko Lappalainen, David A Czekai
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Publication number: 20190160078Abstract: The disclosure provides a method of treating a mammal having a genetic epileptic disorder, comprising chronically administering a pharmaceutically acceptable pregnenolone neurosteroid to a mammal having a genetic epileptic disorder in an amount effective to reduce the seizure frequency in the mammal. In certain preferred embodiments, the mammal is a human patient who has a CDKL5 genetic mutation. In certain preferred embodiments, the patient has a low endogenous level of a neurosteroid(s). In certain preferred embodiments, the pregnenolone neurosteroid is ganaxolone.Type: ApplicationFiled: November 9, 2018Publication date: May 30, 2019Applicant: Marinus Pharmaceuticals, Inc.Inventors: Lorianne K. Masuoka, Jaakko Lappalainen
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Publication number: 20190117674Abstract: In certain embodiments, the invention is directed to composition comprising stable particles comprising ganaxolone, wherein the volume weighted median diameter (D50) of the particles is from about 50 nm to about 500 nm.Type: ApplicationFiled: October 2, 2018Publication date: April 25, 2019Applicant: Marinus Pharmaceuticals, Inc.Inventors: Kenneth Shaw, Mingbao Zhang
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Publication number: 20190111059Abstract: A method of treating suffering from a CNS disorder, comprising administering a reduced folate, or a derivative, prodrug, active metabolite, stereoisomer, polymorph, analogue, or pharmaceutically acceptable salt thereof, to a human suffering from a neurobehavioral CNS disorder in which the patient exhibits a folate deficiency, wherein the amount of reduced folate is therapeutically effective to improve at least one core symptom of the CNS disorder, is disclosed.Type: ApplicationFiled: October 17, 2018Publication date: April 18, 2019Applicant: Marinus Pharmaceuticals, Inc.Inventors: Richard Frye, John Slattery
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Patent number: 8362286Abstract: Applicants have discovered a method for the stereoselective and regioselective synthesis of 3?-hydroxy, 3?-methyl-5?-pregnan-20-one (ganaxolone) comprising reacting 5?-pregnane-3,20-dione; with an organometallic methylating agent in an inert solvent to provide a compound of the formulaType: GrantFiled: August 11, 2010Date of Patent: January 29, 2013Assignee: Marinus Pharmaceuticals, Inc.Inventors: Kenneth Shaw, Alan Hutchison
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Publication number: 20120264766Abstract: Pseudobase benzo[c]phenanthridines and the pharmaceutically acceptable salts thereof of Formula I are provided herein. The variables R, R1, R2, R3, and R4 are defined herein. Certain pseudobase benzo[c]phenanthridines provided herein act as prodrugs, targeting the parent benzo[c]phenanthridinium alkaloid to hydrophilic or hydrophobic regions in the body. Pharmaceutical compositions comprising a pseudobase benzo[c]phenanthridine and a carrier, excipient, or diluent are provided herein. Methods of treating or preventing microbial, fungal and or viral infections and methods of treating diseases and disorders responsive to protein kinase C modulation, topoisomerase I, and/or topoisomerase II modulation are also provided.Type: ApplicationFiled: April 6, 2009Publication date: October 18, 2012Applicant: Marinus Pharmaceuticals Inc.,Inventors: Kenneth Shaw, Mingbao Zhang, Amy F.T. Arnsten
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Publication number: 20110040112Abstract: Applicants have discovered a method for the stereoselective and regioselective synthesis of 3?-hydroxy, 3?-methyl-5?-pregnan-20-one (ganaxolone) comprising reacting 5?-pregnane-3,20-dione; with an organometallic methylating agent in an inert solvent to provide a compound of the formulaType: ApplicationFiled: August 11, 2010Publication date: February 17, 2011Applicant: MARINUS PHARMACEUTICALS, INC.Inventors: Kenneth Shaw, Alan Hutchison
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Publication number: 20100256164Abstract: Pseudobase benzo[c]phenanthridines and the pharmaceutically acceptable salts thereof of Formula I are provided herein. The variables R, R1, R2, R3, and R4 are defined herein. Certain pseudobase benzo[c]phenanthridines provided herein act as prodrugs, targeting the parent benzo[c]phenanthridinium alkaloid to hydrophilic or hydrophobic regions in the body. Pharmaceutical compositions comprising a pseudobase benzo[c]phenanthridine and a carrier, excipient, or diluent are provided herein. Methods of treating or preventing microbial, fungal and or viral infections and methods of treating diseases and disorders responsive to protein kinase C modulation, topoisomerase I, and/or topoisomerase II modulation are also provided.Type: ApplicationFiled: April 6, 2009Publication date: October 7, 2010Applicant: Marinus Pharmaceuticals Inc.,Inventors: Kenneth Shaw, Mingbao Zhang, Amy F.T. Arnsten