Granted Patent
B2
US 12,528,819 · App. 17/902,374 · Granted Jan 20, 2026
Benzodiazepine derivatives, compositions, and methods for treating cognitive impairment
Inventors:
Belew Mekonnen (Gilbertsville, PA); John A. Butera (Clarksburg, NJ); Jianxing Huang (Bethlehem, PA); Hemantbhai Patel (Piscataway, NJ)
Assignee:
AGENEBIO, INC.
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Abstract
This invention relates to benzodiazepine derivatives, compositions comprising therapeutically effective amounts of those benzodiazepine derivatives and methods of using those derivatives or compositions in treating cognitive impairment associated with central nervous system (CNS) disorders. In particular, it relates to the use of a α5-containing GABA A receptor agonist (e.g., a α5-containing GABA A receptor positive allosteric modulator) as described herein in treating cognitive impairment associated with central nervous system (CNS) disorders in a subject in need or at risk thereof, including, without limitation, subjects having or at risk for age-related cognitive impairment, Mild Cognitive Impairment (MCI), amnestic MCI (aMCI), Age-Associated Memory Impairment (AAMI), Age Related Cognitive Decline (ARCD), dementia, Alzheimer's Disease (AD), prodromal AD, post traumatic stress disorder (PTSD), schizophrenia, bipolar disorder, amyotrophic lateral sclerosis (ALS), cancer-therapy-related cognitive impairment, mental retardation, Parkinson's disease (PD), autism spectrum disorders, fragile X disorder, Rett syndrome, compulsive behavior, and substance addiction. It also relates to the use of a α5-containing GABA A receptor agonist (e.g., a α5-containing GABA A receptor positive allosteric modulator) as described herein in treating brain cancers (including brain tumors, e.g., medulloblastomas), and cognitive impairment associated therewith.
Claims (289)
1 . A compound selected from the group consisting of:
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or a pharmaceutically acceptable salt, hydrate, solvate, polymorph, isomer, or combination thereof.
2 . A pharmaceutical composition comprising a compound according to claim 1 , or a pharmaceutically acceptable salt, hydrate, solvate, polymorph, isomer, or combination thereof, in a therapeutically effective amount; and an acceptable carrier, adjuvant or vehicle.
3 . A method of treating cognitive impairment associated with a central nervous system (CNS) disorder in a subject in need thereof, comprising administering a compound according to claim 1 , or a pharmaceutical composition according to claim 2 .
4 . The method according to claim 3 , wherein the CNS disorder is:
a) age-related cognitive impairment, wherein the age-related cognitive impairment is Mild Cognitive Impairment (AMCI) or amnestic Mild Cognitive Impairment (aMCI); or
b) dementia, Alzheimer's disease, schizophrenia, bipolar disorder, amyotrophic lateral sclerosis (ALS), post-traumatic stress disorder (PTSD), mental retardation, Parkinson's disease (PD), autism, compulsive behavior, substance addiction or a disorder associated with cancer therapy.
5 . A method of slowing the progression of, alleviating, or ameliorating a brain cancer in a subject in need thereof, comprising administering a compound according to claim 1 , or a pharmaceutical composition according to claim 2 .
6 . A method of treating cognitive impairment associated with a brain cancer in a subject in need thereof, comprising administering a compound according to claim 1 , or a pharmaceutical composition according to claim 2 .
7 . The method according to claim 5 , wherein said brain cancer is medulloblastoma.
8 . The method according to claim 6 , wherein said brain cancer is medulloblastoma.
9 . A method of slowing the progression of, alleviating, or ameliorating a brain cancer or treating cognitive impairment associated with a brain cancer in a subject in need thereof, wherein the compound or the pharmaceutical composition comprising the compound is selected from:
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or a pharmaceutically acceptable salt, hydrate, solvate, polymorph, isomer, or combination thereof.
10 . A method of slowing the progression of, alleviating, or ameliorating a brain cancer or treating cognitive impairment associated with a brain cancer in a subject in need thereof, wherein the compound or the pharmaceutical composition comprising the compound is selected from:
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or a pharmaceutically acceptable salt, hydrate, solvate, polymorph, isomer, or combination thereof.
11 . The method according to claim 9 or 10 , wherein said brain cancer is medulloblastoma.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Nov 16, 2022
From: MEKONNEN, BELEW; BUTERA, JOHN A.; HUANG, JIANXING; PATEL, HEMANTBHAI
To: HAGER BIOSCIENCES
Reel/Frame 061797/0264 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Nov 16, 2022
From: HAGER BIOSCIENCES
To: AGENEBIO, INC.
Reel/Frame 061800/0539 →
Continuity (4)
Division
16471237
Continuation
PCTIB2017001763
· Dec 19, 2017
Provisional Application
62436272
· Dec 19, 2016
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