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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.
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Sub-types of B cell deficiency
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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
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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 →
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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
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Immunoglobulin beta deficiency 0 trials
Most studied deeper sub-types
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Protein fingerprints may spot hidden transplant rejection
Diagnosis CompletedThis study tested whether analyzing proteins from kidney biopsy and urine samples can improve the diagnosis of microvascular inflammation, a key sign of antibody-mediated rejection in kidney transplant recipients. Researchers used mass spectrometry to find protein signatures in 1…
Sponsor: University Hospital, Bordeaux • Aim: Diagnosis
Last updated Jun 27, 2026 12:38 UTC
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Study reveals vaccine response in Immune-Compromised patients
Knowledge-focused CompletedThis study looked at how people with autoimmune diseases like multiple sclerosis or blistering skin conditions respond to COVID-19 vaccines while on B-cell depleting therapies. Researchers measured antibody levels and T-cell activity over time to understand vaccine effectiveness …
Sponsor: Yale University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:38 UTC