IP Library Granted Patent US 8,778,997
Granted Patent B2
US 8,778,997 · App. 13/103,562 · Granted Jul 15, 2014

Antiviral treatments

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Quick Facts
Patent No.
US 8,778,997
App. No.
13/103,562
Granted
Jul 15, 2014
Kind
B2
Abstract

The invention provides unit dosage forms, kits, and methods useful for treating viral infections.

Claims (10)

1. A method for treating a viral infection in a human in need thereof comprising administering in a single intravenous administration an effective anti-viral amount of a compound of formula I:

or a pharmaceutically acceptable salt thereof, to the human, wherein the viral infection is an H3N2, H1N1, H5N1, avian, or seasonal influenza infection.

2. The method of claim 1 , wherein the compound of formula I is a compound of formula Ia:

or a pharmaceutically acceptable salt thereof.

3. The method of claim 1 , wherein the effective anti-viral amount is up to about 800 mg.

4. The method of claim 3 , wherein the effective anti-viral amount is up to about 600 mg.

5. The method of claim 4 , wherein the effective anti-viral amount is up to about 300 mg.

6. The method of claim 1 , wherein the effective anti-viral amount is about 600 mg.

7. The method of claim 1 , wherein the effective anti-viral amount is about 300 mg.

8. The method of claim 1 , wherein the plasma concentration of the compound is higher than the IC 50 of the virus causing the viral infection 12 hours following administration of the compound.

Assignments (7)
SECURITY INTEREST Recorded Jan 23, 2026
From: BIOCRYST PHARMACEUTICALS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 074485/0651 →
RELEASE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Apr 18, 2023
From: ATHYRIUM OPPORTUNITIES III CO-INVEST 1 LP
To: BIOCRYST PHARMACEUTICALS, INC.
Reel/Frame 063362/0550 →
RELEASE OF SECURITY INTEREST Recorded Apr 6, 2023
From: MIDCAP FINANCIAL TRUST
To: BIOCRYST PHARMACEUTICALS, INC.; MDCP, LLC
Reel/Frame 063348/0762 →
SECURITY INTEREST Recorded Dec 17, 2020
From: BIOCRYST PHARMACEUTICALS, INC.
To: ATHYRIUM OPPORTUNITIES III CO-INVEST 1 LP
Reel/Frame 054800/0634 →
RELEASE OF SECURITY INTEREST Recorded Dec 16, 2020
From: MIDCAP FINANCIAL TRUST, AS AGENT
To: BIOCRYST PHARMACEUTICALS, INC.; MDCP, LLC
Reel/Frame 054774/0446 →
SECURITY INTEREST Recorded Sep 26, 2016
From: BIOCRYST PHARMACEUTICALS, INC.; MDCP, LLC
To: MIDCAP FINANCIAL TRUST, AS AGENT
Reel/Frame 039858/0967 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 16, 2011
From: BABU, YARLAGADDA SUDHAKARA; CHAND, POORAN; BANTIA, SHANTA; ARNOLD, SHANE; KILPATRICK, JOHN MICHAEL
To: BIOCRYST PHARMACEUTICALS, INC.
Reel/Frame 027236/0782 →