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Severe combined immunodeficiency
MONDO:0015974Severe combined immunodeficiency (SCID) comprises a group of rare monogenic primary immunodeficiency disorders characterized by a lack of functional peripheral T lymphocytes resulting in early-onset severe respiratory infections and failure to thrive. They are classified according to immunological phenotype into SCID with absence of T cells but presence of B cells (T-B+ SCID) or SCID with absence of both (T-B- SCID). Both of these groups include several forms, with or without natural killer (NK) cells.
Also known as: SCID, severe combined immunodeficiency, severe combined immunodeficiency (disease), severe combined immunodeficiency disease
48 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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Gene therapy offers hope for 'Bubble Boy' disease, but leukemia risk remains
Disease control CompletedThis trial tested a gene therapy for children with SCID-X1, a severe immune disorder, who do not have a matched bone marrow donor. The treatment involves harvesting the child's own bone marrow cells, fixing the broken gene in the lab, and infusing the corrected cells back after m…
Phase: PHASE1, PHASE2 • Sponsor: David Williams • Aim: Disease control
Last updated Jun 27, 2026 12:23 UTC
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Gene therapy offers hope for boys with severe immune disorder
Disease control CompletedThis trial tested a gene therapy for X-linked severe combined immunodeficiency (SCID-X1), a life-threatening condition where boys are born without a working immune system. Five boys who had no matching bone marrow donor received a single infusion of their own blood stem cells tha…
Phase: PHASE1, PHASE2 • Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Disease control
Last updated Jun 27, 2026 11:00 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