Mild hemophilia B

MONDO:0015717

Mild hemophilia B is a form of hemophilia B characterized by a small deficiency of factor IX leading to abnormal bleeding as a result of minor injuries, or following surgery or tooth extraction.

Also known as: mild factor IX deficiency, mild haemophilia type B, mild hemophilia type B

14 clinical trials for this condition and its sub-types, 1 tagged with Mild hemophilia B itself.

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Where it sits in the disease tree

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↑ Hemophilia B (91)

Including sub-types (14) Tagged with Mild hemophilia B (1)

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Ultrasound may spot silent joint damage in mild hemophilia

Knowledge-focused Not yet recruiting

This study uses ultrasound to examine the joints of adults with mild hemophilia, a group that often goes understudied. Researchers will scan six joints (ankles, knees, elbows) to look for early signs of damage that may not cause symptoms yet. The goal is to see how common joint p…

Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused

Last updated Aug 19, 2026 00:00 UTC

Mild hemophilia B

Where it sits in the disease tree

Ultrasound may spot silent joint damage in mild hemophilia