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Alexion.US

This site is intended for US audiences. If you are in another region, please visit our global site to learn more or be directed to your local country page.

Our Therapy Areas

We look to apply our rare disease expertise where it's needed most, and where we can make the biggest impact for people living with rare diseases. This often means we are exploring disease states where scientific progress has stalled for decades, and where patients have limited—or zero—treatment options.