Reticulohistiocytic granuloma
MONDO:0002984A rare cutaneous lesion composed of eosinophilic histiocytes, which are often multinucleated. The lesions are yellow-brown papules affecting any part of the body. Patients are usually adult men. The prognosis is excellent. -- 2003
Also known as: reticulohistiocytic granuloma (morphologic abnormality), solitary Reticulohistiocytoma, solitary reticulohistiocytoma, solitary histiocytoma, solitary reticulohistiocytosis
7 clinical trials for this condition and its sub-types, 0 tagged with Reticulohistiocytic granuloma itself.
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New pill shows promise for rare childhood diseases
Disease control Recruiting nowThis phase 2 trial is testing the drug mirdametinib in 40 people aged 2 and older with Langerhans cell histiocytosis or similar disorders. The goal is to see if this oral medication works better and has fewer side effects than current treatments. Participants take the drug twice …
Phase 2 • Sponsor: Children's Hospital Medical Center, Cincinnati • Aim: Disease control
Last updated Jun 26, 2026 18:37 UTC
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500 patients needed to unlock secrets of rare histiocytic disorders
Knowledge-focused Recruiting nowThis study at Mayo Clinic will collect medical histories and blood, fluid, or tissue samples from 500 people with histiocytic disorders. Researchers will analyze these samples for molecular markers like BRAF V600E and PD-L1 to better understand the diseases. The goal is to gather…
Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Aug 06, 2026 00:00 UTC