Leukocyte disorder
MONDO:0004805A disease involving leukocytes.
Also known as: disease of leukocyte, disease or disorder of leukocyte, disorder of leukocyte, disorder, leukocyte, disorders, leukocyte, leukocyte disease, leukocyte disease or disorder, leukocyte disorder
3572 clinical trials for this condition and its sub-types, 6 tagged with Leukocyte disorder itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Leukocyte disorder
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B-cell neoplasm 304 trials · 3,167 incl. sub-types
5 sub-types
- Neoplasm of mature B-cells 14 trials · 2,704 incl. sub-types Sub-types →
- B-cell non-Hodgkin lymphoma 258 trials · 2,054 incl. sub-types Sub-types →
- Lymphoplasmacytic lymphoma 44 trials · 159 incl. sub-types Sub-types →
- Large B-cell lymphoma 101 trials
- High-grade B-cell lymphoma double-hit/triple-hit 14 trials
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T-cell leukemia 9 trials · 137 incl. sub-types
3 sub-types
- T-cell acute lymphoblastic leukemia 75 trials · 104 incl. sub-types Sub-types →
- Adult T-cell leukemia/lymphoma 31 trials
- T-cell adult acute lymphocytic leukemia 3 trials
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B cell deficiency 5 trials · 85 incl. sub-types
5 sub-types
- Agammaglobulinemia 16 trials · 52 incl. sub-types Sub-types →
- Hyperimmunoglobulin syndrome 0 trials · 33 incl. sub-types Sub-types →
- Selective immunoglobulin deficiency disease 1 trial · 4 incl. sub-types Sub-types →
- PAX5-related B lymphopenia and autism spectrum disorder 0 trials
- Immunoglobulin beta deficiency 0 trials
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Leukopenia 6 trials · 78 incl. sub-types
2 sub-types
- Agranulocytosis 0 trials · 60 incl. sub-types Sub-types →
- Lymphopenia 12 trials · 17 incl. sub-types Sub-types →
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Dendritic cell sarcoma 0 trials · 53 incl. sub-types
3 sub-types
- Interdigitating dendritic cell sarcoma 53 trials
- Follicular dendritic cell sarcoma 2 trials
- Langerhans cell sarcoma 0 trials
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Eosinophil disorder 2 trials · 51 incl. sub-types
1 sub-type
- Hypereosinophilic syndrome 19 trials · 49 incl. sub-types Sub-types →
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Langerhans cell histiocytosis 39 trials · 40 incl. sub-types
8 sub-types
- Langerhans cell histiocytosis specific to childhood 1 trial Sub-types →
- Langerhans cell histiocytosis specific to adulthood 0 trials Sub-types →
- Eosinophilic granuloma 0 trials Sub-types →
- Hand-Schuller-Christian disease 0 trials
- Multisystem langerhans cell histiocytosis 0 trials
- Pulmonary langerhans cell histiocytosis 0 trials
- Single-system multifocal langerhans cell histiocytosis 0 trials
- Unifocal langerhans cell histiocytosis 0 trials
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Phagocyte bactericidal dysfunction 0 trials · 37 incl. sub-types
1 sub-type
- Chronic granulomatous disease 37 trials Sub-types →
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Mastocytosis 15 trials · 34 incl. sub-types
5 sub-types
- Systemic mastocytosis 11 trials · 24 incl. sub-types Sub-types →
- Cutaneous mastocytosis 1 trial Sub-types →
- Acute mast cell leukemia 0 trials
- Chronic mast cell leukemia 0 trials
- Mast cell sarcoma 0 trials
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Functional neutrophil defect 0 trials · 13 incl. sub-types
5 sub-types
- Leukocyte adhesion deficiency 3 trials · 7 incl. sub-types Sub-types →
- Papillon-Lefevre disease 5 trials
- Myeloperoxidase deficiency 1 trial
- Neutrophil immunodeficiency syndrome 0 trials
- Specific granule deficiency 0 trials Sub-types →
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Mast cell activation syndrome 8 trials · 9 incl. sub-types
3 sub-types
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POEMS syndrome 8 trials
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EBV-positive T-cell lymphoproliferative disorder of childhood 3 trials · 7 incl. sub-types
2 sub-types
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Thymoma type B 0 trials · 4 incl. sub-types
3 sub-types
- Thymoma type B3 3 trials
- Cortical thymoma 1 trial
- Thymoma type B1 0 trials
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Human granulocytic anaplasmosis 1 trial
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Pelger-Huet anomaly 0 trials
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Eosinophil peroxidase deficiency 0 trials
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Hereditary neutrophilia 0 trials
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Human monocytic ehrlichiosis 0 trials
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Leukostasis 0 trials
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Pituitary gland basophil adenoma 0 trials
Most studied deeper sub-types
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Scientists scour lungs for clues to why some get infections
Knowledge-focused Recruiting nowThis study gathers fluid and tissue from the lungs and nose of healthy volunteers and people with a history of lung infections. Researchers will compare samples to find differences in immune function that might explain why some people are more prone to infections. Participants un…
Sponsor: National Heart, Lung, and Blood Institute (NHLBI) • Aim: Knowledge-focused
Last updated Sep 20, 2026 00:00 UTC
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Blood cell harvest could fuel future immune disease cures
Knowledge-focused Recruiting nowThis study collects blood stem cells and immune cells from healthy volunteers and patients with primary immune deficiencies or blood disorders. The cells are used in the lab to develop new gene and cell therapies. Up to 850 adults aged 18-70 will participate. The goal is to advan…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Sep 18, 2026 00:00 UTC
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Massive gene hunt aims to unlock secrets of blood disorders
Knowledge-focused Recruiting nowThis study collects blood, bone marrow, and other samples along with health information from up to 1,716 people with non-cancerous blood diseases and their family members. Researchers will analyze the participants' genes to find new genetic causes of these conditions and understa…
Sponsor: St. Jude Children's Research Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:04 UTC
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Scientists dig into genetic roots of rare bleeding disorders
Knowledge-focused Recruiting nowThis study looks at how blood cells interact and what goes wrong in inherited bleeding disorders like Glanzmann thrombasthenia. Researchers will analyze blood samples from up to 60 healthy volunteers and patients to find genetic defects. The goal is to better understand these con…
Sponsor: Rockefeller University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:55 UTC