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Mastocytosis
MONDO:0007950A clonal myeloproliferative neoplasm characterized by the proliferation and accumulation of neoplastic mast cells in one or multiple organs or organ systems. It is a heterogeneous group of neoplasms, ranging from cutaneous proliferations which may regress spontaneously, to aggressive neoplasms associated with organ failure and short survival.
Also known as: Mast cell disease, mastocytosis, MAST cell disease, urticaria pigmentosa
1877 clinical trials for this condition and its sub-types, 15 tagged with Mastocytosis itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Mastocytosis
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Systemic mastocytosis 11 trials · 24 incl. sub-types
5 sub-types
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Cutaneous mastocytosis 1 trial
3 sub-types
- Cutaneous mastocytoma 0 trials Sub-types →
- Diffuse cutaneous mastocytosis 0 trials Sub-types →
- Maculopapular cutaneous mastocytosis 0 trials Sub-types →
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Acute mast cell leukemia 0 trials
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Chronic mast cell leukemia 0 trials
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Mast cell sarcoma 0 trials
Most studied deeper sub-types
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New drug aims to ease daily misery of rare mast cell disease
Symptom relief OngoingThis phase 2 study tests whether the experimental drug bezuclastinib can reduce symptoms like itching, flushing, and fatigue in people with nonadvanced systemic mastocytosis, a rare condition where too many mast cells cause chronic discomfort. About 237 adults whose symptoms are …
Phase 2 • Sponsor: Cogent Biosciences, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 12:37 UTC
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Rare disease pregnancy study pulled before it began
Knowledge-focused CancelledThis study was designed to track pregnancies in women with rare autoimmune and systemic diseases to understand complications and improve care. It planned to enroll women with conditions like lupus, rheumatoid arthritis, and scleroderma. However, the study was withdrawn before any…
Sponsor: Assistance Publique - Hôpitaux de Paris • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC