B cell deficiency
MONDO:0002211A broad classification of disorders where circulating numbers of B lymphocytes are decreased or ineffective. Complement components and the production of antibodies may also be deficient.
Also known as: B-cell deficiency, deficiency of humoral immunity, immunoglobulin heavy chain deficiency, immunoglobulin heavy chain deletion
119 clinical trials for this condition and its sub-types, 5 tagged with B cell deficiency itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Part of
Sub-types of B cell deficiency
-
Agammaglobulinemia 16 trials · 52 incl. sub-types
10 sub-types
- Syndromic agammaglobulinemia 7 trials · 37 incl. sub-types Sub-types →
- Activated PI3K-delta syndrome 5 trials · 6 incl. sub-types Sub-types →
- Isolated agammaglobulinemia 0 trials · 4 incl. sub-types Sub-types →
- Good syndrome 0 trials
- Agammaglobulinemia 10, autosomal dominant 0 trials
- Agammaglobulinemia 8b, autosomal recessive 0 trials
- Agammaglobulinemia 9, autosomal recessive 0 trials
- Agammaglobulinemia, autosomal recessive, due to BOB1 deficiency 0 trials
- Congenital agammaglobulinemia 0 trials Sub-types →
- Immunodeficiency 61 0 trials
-
Hyperimmunoglobulin syndrome 0 trials · 34 incl. sub-types
2 sub-types
- Hyper-IgE syndrome 5 trials · 26 incl. sub-types Sub-types →
- Hyper-IgM syndrome 8 trials · 9 incl. sub-types Sub-types →
-
Selective immunoglobulin deficiency disease 1 trial · 4 incl. sub-types
2 sub-types
- Dysgammaglobulinemia 1 trial · 4 incl. sub-types Sub-types →
- Selective IgD deficiency disease 0 trials
-
Immunoglobulin beta deficiency 0 trials
Most studied deeper sub-types
-
Scientists hunt for hidden immunity to animal viruses in cambodia
Knowledge-focused Recruiting nowThis study looks at how the immune system of healthy adults in Cambodia reacts to viruses that can spread from animals to people. Researchers will collect blood samples from 400 people who have close contact with animals, such as those working in wet markets or living near bat ca…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:29 UTC
-
Gut virus linked to liver damage in immune-deficient patients?
Knowledge-focused Recruiting nowThis study looks at 120 people with various immune deficiencies to see if a chronic gut virus infection is tied to liver or digestive problems. Researchers will collect blood, stool, urine, and biopsy samples to screen for enteric viruses. The goal is to identify which patients a…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:00 UTC