IP Library › Granted Patent US 9,371,332
Granted Patent B2
US 9,371,332 · App. 14/731,535 · Granted Jun 21, 2016

Pyrazolopyridazines and methods for treating retinal-degenerative diseases and hearing loss associated with Usher syndrome

Inventors: Roland Werner Bürli (Bishop's Stortford, GB); William Rameschandra Krishna Esmieu (Cambridge, GB); Christopher James Lock (Burwell, GB); Karine Fabienne Malagu (Saffron Walden, GB); Andrew Pate Owens (Huntingdon, GB); William E Harte (Moorpark, CA)
Assignee: Usher III Initiative, Inc.
C07D487/04A61K31/5025
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Quick Facts
Patent No.
US 9,371,332
App. No.
14/731,535
Granted
Jun 21, 2016
Kind
B2
Abstract

Compounds, compositions and methods for the treatment of retinal degenerative diseases, such as retinitis pigmentosa, Leber's congenital Amaurosis, Syndromic retinal degenerations, age-related macular degeneration and Usher Syndrome, and hearing loss associated with Usher Syndrome are described herein.

Claims (8)

1. A method for treating a retinal degenerative disease, comprising administering to a subject in need thereof an effective amount of a compound having the structure

22:

 or 23:

 or a pharmaceutically acceptable salt thereof.

2. A method for treating hearing loss associated with Usher syndrome, comprising administering to a subject in need thereof an effective amount of a compound having the structure

22:

 or 23:

 or a pharmaceutically acceptable salt thereof.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 27, 2015
From: BÜRLI, ROLAND WERNER; ESMIEU, WILLIAM RAMESHCHANDRA KRISHNA; LOCK, CHRISTOPHER JAMES; MALAGU, KARINE FABIENNE; OWENS, ANDREW PATE
To: BIOFOCUS DPI LTD.
Reel/Frame 036890/0389 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 27, 2015
From: HARTE, WILLIAM E.
To: USHER III INITIATIVE, INC.
Reel/Frame 036890/0401 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 27, 2015
From: BIOFOCUS DPI LTD.
To: USHER III INITIATIVE, INC.
Reel/Frame 036890/0408 →
Continuity (3)
Division 13791744 · Mar 8, 2013
Provisional Application 61718611 · Oct 25, 2012
Related Publication 20150265617A1 · Sep 24, 2015