IP Library Granted Patent US 8,754,233
Granted Patent B2
US 8,754,233 · App. 13/776,503 · Granted Jun 17, 2014

Pyrazolylbenzothiazole derivatives and their use as therapeutic agents

Inventors: Zaihui Zhang (Richmond, CA); Timothy S. Daynard (Vancouver, CA); Shisen Wang (Coquitlam, CA); Xinyao Du (Richmond, CA); Gregory B. Chopiuk (Vancouver, CA); Jun Yan (Coquitlam, CA); Jianxin Chen (Vancouver, CA); Serguei V. Sviridov (Burnaby, CA)
Assignee: Dermira (Canada), Inc.
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Quick Facts
Patent No.
US 8,754,233
App. No.
13/776,503
Granted
Jun 17, 2014
Kind
B2
Abstract

Topical formulations and method of using the same are provided. The topical formulation comprises a pyrazolylbenzothiazole derivative of the following formula (1) wherein X, R 1 , R 2 , R 3 and R 4 are described herein.

Claims (4)

1. A topical composition comprising a pharmaceutically acceptable excipient and 2-(3-Amino-5-methyl-1H-pyrazol-4-yl)-5-fluoro-benzothiazole-6-sulfonic acid methylamide.

2. A method for relieving or causing regression of psoriasis or irritant contact dermatitis in a patient in need thereof, comprising topically applying a therapeutically effective amount of the topical composition of claim 1 .

3. A method for relieving or causing regression of of psoriasis in a patient comprising topically applying a therapeutically effective amount of the topical composition of claim 1 .

4. A method for relieving or causing regression of irritant contact dermatitis or allergic contact dermatitis in a patient comprising topically applying a therapeutically effective amount of the topical composition of claim 1 .

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2014
From: ZHANG, ZAIHUI; DAYNARD, TIMOTHY S.; WANG, SHISEN; DU, XINYAO; CHOPIUK, GREGORY B.; YAN, JUN; CHEN, JIANXIN; SVIRIDOV, SERGUEI V.
To: QLT INC.
Reel/Frame 033011/0716 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2014
From: QLT INC.
To: VALOCOR THERAPEUTICS, INC.
Reel/Frame 033011/0730 →
CHANGE OF NAME Recorded Jun 2, 2014
From: VALOCOR THERAPEUTICS, INC.
To: DERMIRA (CANADA), INC.
Reel/Frame 033011/0756 →
Continuity (4)
Continuation 12910744 · Oct 22, 2010
Continuation 10521948
Provisional Application 60398504 · Jul 24, 2002
Related Publication 20130237572A1 · Sep 12, 2013