Actor portrayal of two people on a speed boat on a lake

Actor portrayal of two people on a speed boat on a lake

Not actual patients.

How it works

An innovative approach to hemophilia treatment

HYMPAVZI is designed to help restore balance in the clotting process—independent of factor VIII or IX levels—by targeting TFPI.

Why is balance important?

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In people without hemophilia, anticlotting factors and clotting factors work in balance like a scale so the body can clot when needed—without causing too much clotting or too much bleeding.
Unbalanced scale icon
In people with hemophilia, there is a lack of clotting factors, causing the scale to tip toward bleeding.
Balanced scale icon
HYMPAVZI works to help restore this balance.

How does HYMPAVZI help restore balance?

HYMPAVZI uses an innovative approach that may help restore the balance by targeting TFPI to decrease anticlotting activity.
Scale showing anticlotting factors and clotting factors explaining that blocking TFPI increases thrombin and may improve clotting function
Blocking the activity of TFPI increases the tendency to develop thrombin, which may improve clotting function.
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This could potentially help the body prevent or reduce the frequency of bleeding episodes.
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HYMPAVZI works independently of factor VIII or IX levels and was developed to help your body make the thrombin needed to form a clot.

APC=activated protein C; AT=antithrombin; TFPI=tissue factor pathway inhibitor. These do not represent all of the anticlotting and clotting factors in the body.

Watch this video to see HYMPAVZI in action

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How HYMPAVZI® works video
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See the clinical trial design
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