IP Library Granted Patent US 9,339,540
Granted Patent B2
US 9,339,540 · App. 13/965,276 · Granted May 17, 2016

Method of treating onychomycosis

Inventor: Scott Lundahl (Wilmington, MA)
Assignee: DUSA PHARMACEUTICALS, INC.
A61K41/0061A61N5/062
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Quick Facts
Patent No.
US 9,339,540
App. No.
13/965,276
Granted
May 17, 2016
Kind
B2
Abstract

This application is directed to a method of treating onychomycosis by applying a phototherapeutic agent to a nail structure, waiting for a period of at least three days, and exposing the nail to light that causes an activation reaction. The phototherapeutic agent may be amino levulinic acid, alkylated derivatives of ALA, and their pharmaceutically acceptable salts.

Claims (10)

1. A method of treating onychomycosis comprising the steps of

applying a phototherapeutic agent to a nail structure,

waiting for a period of from 3 to 30 days, and

exposing the nail to light that causes an activation reaction;

wherein the phototherapeutic agent is selected from the group consisting of amino levulinic acid, alkylated derivatives of ALA, and their pharmaceutically acceptable salts.

2. The method of claim 1 , wherein the waiting period is at least 10 days.

3. The method of claim 1 , wherein the waiting period is at least 20 days.

4. The method of claim 1 , wherein the waiting period is between 10 and 20 days.

5. The method of claim 1 , wherein the waiting period is between 10 and 30 days.

6. The method of claim 1 , wherein the waiting period is between 20 and 30 days.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 6, 2024
From: LUNDAHL, SCOTT
To: DUSA PHARMACEUTICALS, INC.
Reel/Frame 068195/0282 →
MERGER Recorded Aug 6, 2024
From: DUSA PHARMACEUTICALS, INC.
To: SUN PHARMACEUTICAL INDUSTRIES, INC.
Reel/Frame 068195/0389 →
Continuity (2)
Provisional Application 61683758 · Aug 16, 2012
Related Publication 20140052049A1 · Feb 20, 2014