Patient Perspectives | Sanofi Rare Blood Disorders

Hemophilia A and B

The most common form of hemophilia is hemophilia A, which is caused by a deficiency in factor VIII. Hemophilia B is caused by a deficiency in factor IX. Both factor VIII and factor IX are proteins that play an important role in forming blood clots that prevent internal bleeding or help stop bleeding after external injuries such as cuts.

Every patient’s experience is unique and individual experiences vary. These patients were compensated for their time creating these videos.

Meet real hemophilia patients

Real patients describe their whole experience managing hemophilia, and change the conversation.

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Immune thrombocytopenia

Immune thrombocytopenia (ITP) is a rare autoimmune disorder that affects both children and adults. For younger patients, ITP can go away within months. But adults are more likely to develop a long-lasting form of ITP that may need ongoing treatment.

With ITP, the body’s immune system mistakenly targets and destroys platelets—tiny blood cells that help with blood clotting. As a result, people with ITP may have a low platelet count, which can lead to symptoms like easy bruising, small red or purple spots on the skin and prolonged bleeding from minor cuts.

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Meet Holly

In this video, Holly, who lives with ITP, sits down with her doctor to talk openly about her symptoms and how she didn’t realize symptoms like fatigue were connected to ITP. Watch now to hear her experience and why these conversations matter.

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Acquired thrombotic thrombocytopenic purpura

Acquired thrombotic thrombocytopenic purpura (aTTP) is a rare, life-threatening, autoimmune blood clotting disorder that affects about 2,000 people in the US every year.

The disease is caused by a deficiency of an enzyme called ADAMTS13. The lack of functioning ADAMTS13 enzyme results in blood platelets sticking together and forming small clots (microthrombi) throughout the body, which can lead to neurological, cardiac, renal and gastrointestinal damage, and, in some cases, death.

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