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MHC class II deficiency
MONDO:0008855Immunodeficiency by defective expression of HLA class 2 is a rare primary genetic immunodeficiency disorder characterized by partial or complete absence of human leukocyte antigen class 2 expression resulting in severe defect in both cellular and humoral immune response to antigens. The disorder presents clinically as marked susceptibility to infections, severe malabsorption and failure to thrive and is often fatal in early childhood.
Also known as: HLA class 2-negative SCID, HLA class 2-negative severe combined immunodeficiency, MHC class II expression deficiency, immunodeficiency by defective expression of HLA class type 2, major histocompatibility complex class II expression deficiency, BARE lymphocyte syndrome, BARE lymphocyte syndrome, type II, BARE lymphocyte syndrome, type II, complementation group B, included
17 clinical trials for this condition and its sub-types.
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Broader categories
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HPV vaccine shows promise for girls on Immune-Suppressing drugs
⭐️ VACCINE ⭐️ CompletedThis study looked at whether the HPV vaccine works in girls aged 9 to 17 who are taking medicines that weaken their immune system, such as after an organ transplant or for diseases like lupus. The goal was to see if their bodies produce enough antibodies to protect against HPV. T…
Phase: PHASE2 • Sponsor: University Hospital, Bordeaux • Aim: ⭐️ VACCINE ⭐️
Last updated Jun 27, 2026 12:36 UTC
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Bubble baby breakthrough? experimental cell shot aims to reboot immune system faster
Disease control CompletedThis early-phase trial tested whether injecting special immune-building cells (HTLPs) could help children with severe combined immunodeficiency (SCID) rebuild their immune system faster after a partially matched stem cell transplant. Only 4 children took part. The goal was to see…
Phase: PHASE1, PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 12:36 UTC
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Obesity may affect immune drug dosing – study seeks answers
Knowledge-focused CompletedThis study investigates how obesity affects the way the body processes intravenous immune globulin (IVIG), a treatment for immune deficiencies. Researchers measured body composition and blood levels of IVIG in 40 obese and normal-weight patients to find the best dosing strategy. …
Sponsor: Rutgers, The State University of New Jersey • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:06 UTC
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Scientists gather clues on mysterious immune defects
Knowledge-focused CompletedThis study collected blood, saliva, stool, urine, and skin samples from 19 people with unknown or poorly understood immune system problems. The goal was to learn how different parts of the immune system work together. No treatments or drugs were tested. Participants were followed…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC