Sickle Cell Data Show Value Of Novartis’s Recently Acquired SEG101

Phase II SUSTAIN data presented at ASH show a statistically significant reduction in sickle cell pain crises for SEG101 (crizanlizumab), a potential blockbuster for Novartis, which recently said it will pay up to $665m for the antibody’s developer.

Novartis AG’s recently acquired monoclonal antibody SEG101 showed a statistically significant reduction in sickle cell pain crises at the antibody’s highest dose in the Phase II SUSTAIN clinical trial, which one analyst said could generate $1bn or more in annual revenue given the high unmet need for the hereditary disease.

The company has not indicated when it will begin a Phase III program for SEG101 (crizanlizumab; formerly SelG1), which inhibits p-selectin, but Novartis told Scrip that it “will continue the development of SEG101 and will consult with relevant health authorities to discuss timelines.” The most advanced selectin inhibitor in development for sickle cell disease (SCD) is Pfizer Inc

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