Hemophilia B
MONDO:0010604Hemophilia B is a form of hemophilia characterized by spontaneous or prolonged hemorrhages due to factor IX deficiency.
Also known as: Christmas disease, congenital factor IX deficiency, congenital factor IX disorder, factor IX deficiency, haemophilia b, X-linked recessive, haemophilia type B, hemophilia B, hemophilia b, X-linked recessive
102 clinical trials for this condition and its sub-types, 84 tagged with Hemophilia B itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Hemophilia B
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Severe hemophilia B 9 trials
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Moderately severe hemophilia B 2 trials
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Mild hemophilia B 1 trial
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Could a One-Time gene fix end bleeding episodes for hemophilia b?
Disease control Not yet recruitingThis Phase 1 trial tests a gene therapy that uses a lentivirus to deliver a working clotting factor IX gene into patients' own stem cells. Ten males with severe hemophilia B will receive the modified cells. The goal is to see if it's safe and can raise clotting factor levels, pot…
Phase 1 • Sponsor: Shenzhen Geno-Immune Medical Institute • Aim: Disease control
Last updated Aug 28, 2026 00:00 UTC
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Can a cancer drug reboot the immune system in chronic fatigue syndrome?
Disease control Not yet recruitingThis trial tests whether inebilizumab, an antibody that wipes out certain immune cells called B cells, can improve physical function in adults with ME/CFS that started after an infection. Participants receive three infusions over six months, and the study measures changes in mobi…
Phase 2 • Sponsor: Charite University, Berlin, Germany • Aim: Disease control
Last updated Jul 26, 2026 00:00 UTC
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New ultrasound device could see hidden joint damage in hemophilia patients
Diagnosis Not yet recruitingThis study tests whether a mechanical 3D ultrasound device can detect joint damage in people with hemophilia as accurately as a full ultrasound or MRI. Eleven participants will have their ankles scanned with the new device. If it works well, it could offer a faster, less expensiv…
Sponsor: The Hospital for Sick Children • Aim: Diagnosis
Last updated Jun 27, 2026 09:10 UTC
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Could a Low-Dose antipsychotic ease long COVID brain fog?
Symptom relief Not yet recruitingThis study tests whether a low dose of aripiprazole, a drug used for psychiatric conditions, can reduce fatigue and improve thinking in adults with Long COVID or other post-infection syndromes. About 138 participants will receive either the drug or a placebo for 8 weeks, then swi…
Phase 2 • Sponsor: Christiana Franke • Aim: Symptom relief
Last updated Jul 22, 2026 00:00 UTC
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Scientists to examine liver tissue after gene therapy for hemophilia
Knowledge-focused Not yet recruitingThis observational study will take small liver samples from 8 adults with hemophilia A or B who had gene therapy at least 6 months ago. Researchers want to see how the gene therapy affected liver cells, including how many cells still carry the therapy and whether there is any liv…
Sponsor: St. Jude Children's Research Hospital • Aim: Knowledge-focused
Last updated Sep 19, 2026 00:00 UTC
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Ultrasound may spot silent joint damage in mild hemophilia
Knowledge-focused Not yet recruitingThis 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
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A 30-second chair test may spot muscle weakness in hemophilia
Knowledge-focused Not yet recruitingThis study compares how well adults with hemophilia (ages 18–35) perform a 30-second sit-to-stand test versus healthy peers of the same age. The goal is to see if this simple test can detect differences in leg strength and endurance linked to joint damage from bleeding. Participa…
Sponsor: Bahçeşehir University • Aim: Knowledge-focused
Last updated Aug 02, 2026 00:00 UTC
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Smart trash can for needles could make hemophilia care safer
Knowledge-focused Not yet recruitingThis study tests a smart sharps disposal container that helps hemophilia patients safely throw away used needles at home. About 23 adults with moderate or severe hemophilia will use the device for several weeks. Researchers want to see if patients find it easy to use and if they …
Sponsor: University of Pennsylvania • Aim: Knowledge-focused
Last updated Jul 11, 2026 00:00 UTC
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Can a sedative improve blood flow in septic shock? a pilot study investigates
Knowledge-focused Not yet recruitingThis study looks at how the sedative dexmedetomidine affects the smallest blood vessels in people with septic shock, a life-threatening condition caused by severe infection. Researchers will measure blood flow in the tongue's tiny vessels and other key blood pressure indicators b…
Sponsor: First Affiliated Hospital of Wannan Medical College • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Could a Plant-Derived drug improve blood flow in septic shock?
Knowledge-focused Not yet recruitingThis pilot study will test a drug called anisodamine in 20 adults with septic shock who are on a ventilator. The goal is to see if the drug can improve blood flow in small blood vessels and help with a phenomenon called 'vascular waterfall.' This is a very early study to gather i…
Sponsor: First Affiliated Hospital of Wannan Medical College • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Step test could help track fitness in hemophilia patients
Knowledge-focused Not yet recruitingThis study looks at whether the two-minute step test is a reliable way to measure aerobic endurance in people with hemophilia. Researchers will test 35 people aged 6–18 with hemophilia A or B, comparing the step test with other measures like walking tests and balance assessments.…
Sponsor: Hasan Kalyoncu University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:07 UTC