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Kostmann syndrome
MONDO:0012548Kostmann syndrome is a rare, severe, congenital neutropenia disorder characterized by a lack of mature neutrophils (absolute neutrophil counts less than 500 cells/mm3) associated with frequent, recurrent bacterial infections (e.g. otitis media, pneumonia, sinusitis, urinary tract infections, abscesses of skin and/or liver) and increased promyelocytes in the bone marrow. Periodontal disease, as well as neurological symptoms, such as cognitive impairment, severe neurodegeneration and epilepsy, have been reported in some patients.
Also known as: infantile agranulocytosis, neutropenia, severe congenital 3, autosomal recessive, severe congenital neutropenia type 3, Kostmann disease, SCN3, agranulocytosis infantile, agranulocytosis, infantile, neutropenia, severe congenital, 3, autosomal recessive
35 clinical trials for this condition and its sub-types, 3 tagged with Kostmann syndrome itself.
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New drug aims to boost immune cells in rare blood disorder
Disease control Recruiting nowThis Phase 3 study tests whether the drug mavorixafor can reduce serious infections and increase neutrophil levels in people with chronic neutropenia—a condition where the body doesn't make enough infection-fighting white blood cells. About 176 participants will receive either ma…
Phase 3 • Sponsor: X4 Pharmaceuticals • Aim: Disease control
Last updated Aug 08, 2026 00:03 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