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Last Updated: December 11, 2024

Claims for Patent: 9,718,880


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Summary for Patent: 9,718,880
Title:Treatment of paroxysmal nocturnal hemoglobinuria patients by an inhibitor of complement
Abstract: Eculizumab, a humanized monoclonal antibody against C5 that inhibits terminal complement activation, showed activity in a preliminary 12-week open-label trial in a small cohort of patients with paroxysmal nocturnal hemoglobinuria (PNH). The present study examined whether chronic eculizumab therapy could reduce intravascular hemolysis, stabilize hemoglobin levels, reduce transfusion requirements, and improve quality of life in a double-blind, randomized, placebo-controlled, multi-center global Phase III trial. It has been found that eculizumab stabilized hemoglobin levels, decreased the need for transfusions, and improved quality of life in PNH patients via reduced intravascular hemolysis. Chronic eculizumab treatment appears to be a safe and effective therapy for PNH.
Inventor(s): Bell; Leonard (Woodbridge, CT), Rother; Russell P. (Oklahoma City, OK), Evans; Mark J. (Radnor, PA)
Assignee: Alexion Pharmaceuticals, Inc. (New Haven, CT)
Application Number:15/148,839
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,718,880
Patent Claims:1. A pharmaceutical composition for use in treating a patient afflicted with paroxysmal nocturnal hemoglobinuria (PNH), wherein the composition is a sterile, preservative free, 300 mg single-use dosage form comprising 30 ml of a 10 mg/ml antibody solution, wherein the antibody comprises a heavy chain consisting of SEQ ID NO: 2 and a light chain consisting of SEQ ID NO: 4.

2. A pharmaceutical composition comprising an anti-C5 antibody, wherein the anti-C5 antibody comprises a heavy chain consisting of SEQ ID NO: 2 and a light chain consisting of SEQ ID NO: 4.

3. The pharmaceutical composition of claim 2, wherein the pharmaceutical composition is a sterile, preservative free 300 mg single-use dosage form comprising 30 ml of a 10 mg/ml anti-C5 antibody solution.

International Patent Family for US Patent 9,718,880

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2008069889 ⤷  Sign Up
World Intellectual Property Organization (WIPO) 2007106585 ⤷  Sign Up
World Intellectual Property Organization (WIPO) 2005074607 ⤷  Sign Up
United States of America 9732149 ⤷  Sign Up
United States of America 9725504 ⤷  Sign Up
United States of America 2020392216 ⤷  Sign Up
United States of America 2020199211 ⤷  Sign Up
>Country >Patent Number >Estimated Expiration

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