IP Library Granted Patent US 9,216,178
Granted Patent B2
US 9,216,178 · App. 13/666,697 · Granted Dec 22, 2015

Dry blend formulation of tetrahydrobiopterin

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Quick Facts
Patent No.
US 9,216,178
App. No.
13/666,697
Granted
Dec 22, 2015
Kind
B2
Abstract

Dry blend powder formulations comprising a pharmaceutical formulation containing tetrahydrobiopterin, and methods of making and using the same, are disclosed herein.

Claims (4)

1. A pharmaceutical composition, comprising a dry blend powder that comprises about 32% by weight of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride, about 54% by weight of mannitol, about 1.9% by weight of sucrolose, about 10.4% by weight of potassium citrate, and about 1.6% by weight of ascorbic acid; wherein at least 90% of the initial amount of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride in the pharmaceutical composition remains after the pharmaceutical composition is stored at 40° C. and 75% relative humidity for a period of three months.

2. The pharmaceutical composition of claim 1 , wherein the initial amount of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride in the pharmaceutical composition is in a range from about 100 mg to about 500 mg.

3. The pharmaceutical composition of claim 1 , wherein the initial amount of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride in the pharmaceutical composition is about 100 mg.

4. The pharmaceutical composition of claim 1 , wherein the initial amount of (6R)-L-erythro-tetrahydrobiopterin dihydrochloride in the pharmaceutical composition is about 500 mg.

Assignments (2)
SECURITY INTEREST Recorded Apr 27, 2026
From: BIOMARIN PHARMACEUTICAL INC.; AMICUS THERAPEUTICS, INC.
To: CITIBANK, N.A., AS COLLATERAL AGENT
Reel/Frame 075493/0968 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 12, 2012
From: CHOU, TIANWEI; OKHAMAFE, AUGUSTUS O.
To: BIOMARIN PHARMACEUTICAL INC.
Reel/Frame 029452/0081 →