IP Library Granted Patent US 8,987,217
Granted Patent B2
US 8,987,217 · App. 13/521,267 · Granted Mar 24, 2015

Modified saponins for the treatment of fungal infections

Inventors: Eleftherios Mylonakis (Boston, MA); Edward Holson (Newton Highlands, MA); Frederick M. Ausubel (Newton, MA)
Assignees: The General Hospital Corporation; The Broad Institute, Inc.; Massachusetts Institute of Technology
A61K31/7048A61K31/704
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Quick Facts
Patent No.
US 8,987,217
App. No.
13/521,267
Granted
Mar 24, 2015
Kind
B2
Abstract

Methods of treating a fungal infection in a subject, the method comprising administering to the subject a modified saponin.

Claims (31)

1. A method of treating a fungal infection in a subject, the method comprising administering to the subject a therapeutically effective amount of a compound of Formula I:

or a pharmaceutically acceptable salt thereof, wherein:

R 1 is H or OH;

R 2 is OH;

Gly is

R 3 is OH or

R 4 and R 5 are each independently OH or

and

denotes a single bond.

2. The method of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

3. The method of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

4. The method of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

5. A method of treating a fungal infection in a subject, the method comprising administering to the subject a therapeutically effective amount of a compound of Formula I:

or a pharmaceutically acceptable salt thereof, wherein:

R 1 and R 2 are each independently H or OH;

Gly is

R 3 is OH or

R 4 and R 5 are each independently OH or

and

denotes a double bond.

6. The method of claim 5 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

7. The method of claim 1 , wherein the fungal infection is infection with a Candida species fungus.

8. The method of claim 7 , wherein the Candida species is C. albicans.

9. The method of claim 5 , wherein the compound is:

or a pharmaceutically acceptable salt thereof.

10. The method of claim 5 , wherein the fungal infection is infection with a Candida species fungus.

11. The method of claim 5 , wherein the Candida species is C. albicans.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 4, 2012
From: MYLONAKIS, ELEFTHERIOS; AUSUBEL, FREDERICK M.
To: THE GENERAL HOSPITAL CORPORATION
Reel/Frame 029078/0955 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 4, 2012
From: HOLSON, EDWARD
To: THE BROAD INSTITUTE, INC.; MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Reel/Frame 029079/0001 →
Continuity (2)
Provisional Application 61294304 · Jan 12, 2010
Related Publication 20130018007A1 · Jan 17, 2013