Combined immunodeficiency
MONDO:0015131A broad classification of inherited disorders presenting at birth that affect both the cell-mediated and humoral aspects of the immune response. Circulating numbers of B lymphocytes, T lymphocytes and NK cells are variable but where present do not function properly. Susceptibility to infection is the primary concern.
Also known as: CID, congenital combined immunodeficiency, X-linked combined immunodeficiency, combined T and B cell immunodeficiency, combined T cell and B cell immunodeficiency
64 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
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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Could red blood cells deliver a steroid to ease a rare brain disorder?
Disease control CompletedThis Phase 3 trial tested a treatment called EryDex for people with ataxia telangiectasia (A-T), a rare genetic disease that affects movement and coordination. EryDex is a steroid (dexamethasone) packaged inside the patient's own red blood cells and given as an IV infusion every …
Phase: PHASE3 • Sponsor: Quince Therapeutics S.p.A. • Aim: Disease control
Last updated Jun 27, 2026 12:25 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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Large study looks at how a 25-Gene cancer test affects patients and families
Knowledge-focused CompletedThis study looked at how a genetic test that checks 25 genes linked to hereditary cancers is used in clinics. Over 1,500 people with a personal or family history of cancer took part. Researchers collected blood samples and had participants fill out questionnaires over five years …
Sponsor: University of Southern California • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:06 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