Acquired hemophilia A
MONDO:0035735An acquired form of hemophilia A, resulting in spontaneous bleeding in individuals with no history of bleeding disorders. It is believed to be caused by spontaneous inhibition of clotting factor VIII by autoantibodies, and is usually associated with other autoimmune conditions.
Also known as: AHA
18 clinical trials for this condition and its sub-types, 6 tagged with Acquired hemophilia A itself.
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New study monitors OBIZUR's safety in rare bleeding disorder
Disease control Recruiting nowThis study is checking how safe OBIZUR is for adults with acquired hemophilia A, a rare condition that causes sudden and severe bleeding. Researchers will look at medical records and track side effects in about 9 people. The goal is to see how well the drug controls bleeding in e…
Sponsor: Takeda • Aim: Disease control
Last updated Sep 13, 2026 00:00 UTC
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New drug OBIZER monitored in rare bleeding disorder study
Disease control Recruiting nowThis study tracks 25 people in Japan with acquired hemophilia A who receive the drug OBIZER to control bleeding. Researchers will watch for side effects and check if the drug helps stop bleeding episodes. The study does not change how doctors treat patients—it simply collects rea…
Sponsor: Takeda • Aim: Disease control
Last updated Aug 09, 2026 00:00 UTC