Extramedullary plasmacytoma
MONDO:0002754A plasma cell neoplasm arising at an extraosseous site. There is no involvement of the bone marrow. It most frequently involves the oropharynx, nasopharynx, sinuses, and larynx. Other sites of involvement include the gastrointestinal tract, central nervous system, breast, skin, lymph nodes, and bladder. A minority of patients have a monoclonal gammopathy. Treatment includes radiation therapy. Progression to plasma cell myeloma occurs in a minority of patients.
Also known as: extramedullary plasmacytoma, extramedullary plasmacytoma (clinical), extraosseous plasmacytoma, plasmacytoma, extramedullary, plasmacytoma, extramedullary (not occurring in bone), EP
1928 clinical trials for this condition and its sub-types, 7 tagged with Extramedullary plasmacytoma itself.
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Tailored chemo dosing aims to boost stem cell transplant success in myeloma
Disease control Recruiting nowThis phase 1 trial is testing a new way to dose the chemotherapy drug melphalan for people with multiple myeloma who are getting a stem cell transplant. Instead of a standard dose, the amount is personalized based on each patient's blood levels after a test dose. The goal is to f…
Phase 1 • Sponsor: Emory University • Aim: Disease control
Last updated Jun 27, 2026 14:00 UTC
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Massive biobank launches to unlock myeloma mysteries
Knowledge-focused Recruiting nowThis study collects and stores blood and tissue samples from 6,000 people with multiple myeloma and related conditions like smoldering myeloma and MGUS. The goal is to create a shared resource for researchers worldwide to study these diseases and improve patient care. Participant…
Sponsor: European Myeloma Network B.V. • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC