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Last Updated: April 19, 2024

Claims for Patent: 6,852,314


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Summary for Patent: 6,852,314
Title: IFN-.beta. liquid formulations
Abstract:Interferon-.beta. liquid formulations stabilized with a polyol, a non-reducing sugar or an amino acid. In particular, the formulations are stabilized with a polyol, such as mannitol. The formulations, preferably, furthermore comprise a buffer, such as acetate buffer, at a pH comprised between 3.0 and 4.0 and human albumin at a minimum quantity. The interferon-.beta. is preferably recombinant.
Inventor(s): Samaritani; Fabrizio (Rome, IT), Natale; Patrizia (Rome, IT)
Assignee: Applied Research Systems ARS Holding N.V. (Curacao, AN)
Application Number:08/737,633
Patent Claims:1. A liquid pharmaceutical formulation consisting of from about 0.6 to 24 MIU/ml of interferon-.beta., mannitol, an acetate buffer at a pH between 3.0 and 4.0 and, optionally, albumin.

2. A liquid pharmaceutical formulation according to claim 1, in which interferon-.beta. is recombinant.

3. A liquid pharmaceutical formulation according to claim 1, in which interferon-.beta. is in a quantity between 0.6 and 1 MIU/ml.

4. A liquid pharmaceutical formulation according to claim 3, in which the buffer solution has a concentration of 0.01 M.

5. A liquid pharmaceutical formulation according to claim 1, in which the optional albumin is present and comprises human albumin.

6. A liquid pharmaceutical formulation according to claim 1, comprising 1 MIU/ml of interferon-.beta., 54.6 mg/ml of mannitol, 0.5 mg/ml of albumin in a solution of 0.01 M acetate buffer at pH 3.5.

7. A process for the preparation of a liquid pharmaceutical formulation according to claim 1, comprising combining interferon-.beta. with mannitol, an acetate buffer at a pH between 3.0 and 4.0 and, optionally, albumin.

8. A container hermetically sealed in sterile conditions comprising the liquid pharmaceutical formulation according to claim 1 and appropriate for storage prior to use.

9. A process for the preparation of a liquid pharmaceutical formulation according to claim 7 in which interferon-.beta. is recombinant and is in a quantity between 0.6 and 1 MIU/ml.

10. A process for the preparation of a liquid pharmaceutical formulation according to claim 9 in which conditions comprising interferon-.beta. at 1 MIU/ml, mannitol at 54.6 mg/ml, and 0.5 mg/ml of albumin in a solution of 0.01 M acetate buffer at pH 3.5 are employed.

11. A container hermetically sealed in sterile conditions comprising the liquid pharmaceutical formulation according to claim 6 and appropriate for storage prior to use.

12. A container hermetically sealed in sterile conditions comprising the liquid pharmaceutical formulation according to claim 2 and appropriate for storage prior to use.

13. A liquid pharmaceutical formulation according to claim 6, in which interferon-.beta. is recombinant.

Details for Patent 6,852,314

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Grifols Therapeutics Llc ALBUKED, PLASBUMIN-20, PLASBUMIN-25, PLASBUMIN-5 albumin (human) For Injection 101138 10/21/1942 ⤷  Try a Trial 2014-05-16
Baxalta Us Inc. BUMINATE, FLEXBUMIN albumin (human) Injection 101452 03/03/1954 ⤷  Try a Trial 2014-05-16
Csl Behring Ag ALBURX albumin (human) Injection 102366 07/23/1976 ⤷  Try a Trial 2014-05-16
Grifols Biologicals Llc ALBUTEIN albumin (human) Injection 102478 08/15/1978 ⤷  Try a Trial 2014-05-16
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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