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Plasmacytoma is a localized mass of neoplastic monoclonal plasma cells that represents approximately 5% of all plasma cell neoplasms. There are two separate entities: primary plasmacytoma of the bone and extramedullary plasmacytoma of the soft tissues. Of the extramedullary plasmacytomas, 80% occur in the head and neck, usually in the upper respiratory tract. The median age at diagnosis is 50 years and the male to female ratio is 3:1. Long-term survival is possible following local radiotherapy, particularly for soft tissue presentations.
Biomarker and diagnostic research for plasmacytoma has been reported in the published literature.
Estimated prevalence: Unknown (Unknown prevalence).
10 clinical trials registered, 3 recruiting. Interventions under study include drug therapy, procedural interventions, other interventions, and biologic therapy. Pipeline includes 1 PHASE3, 5 PHASE2, 3 PHASE1. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT07115667](https://clinicaltrials.gov/study/NCT07115667) |
Data assembled from 4 of 12 sources · Last updated Sep 17, 2026, 9:28 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Radiation Combined With BCMA/CD3 Bispecific Antibody Therapy for Solitary Bone Plasmacytoma With Mild Bone Marrow Infiltration |
PHASE2 |
Institute of Hematology & Blood Diseases Hospital, China |
RECRUITING |
[NCT06863584](https://clinicaltrials.gov/study/NCT06863584) | SBRT Plus Lenalidomide for Solitary Plasmacytoma: Phase II Trial | PHASE2 | Second Affiliated Hospital, Zhejiang University, School of Medicine | RECRUITING |
[NCT05248633](https://clinicaltrials.gov/study/NCT05248633) | Chemotherapy Combined With Radiotherapy Versus Radiotherapy Alone for Solitary Plasmacytoma | PHASE2 | Peking Union Medical College Hospital | RECRUITING |
256 publications have been identified in PubMed for plasmacytoma. Kisho has analyzed 142 by research type. Research spans Case Report / Case Series (41%), Review / Meta-Analysis (25%), and Epidemiology / Natural History (10%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 58 | 41% |
Research summaries | 35 | 25% |
Disease patterns and progression | 14 | 10% |
Testing and diagnosis research | 10 | 7% |
Laboratory research | 10 | 7% |
Clinical study results | 9 | 6% |
Other research | 5 | 4% |
New treatment approaches | 1 | 1% |
Arshad H (2026). [PMID: 42118275](https://pubmed.ncbi.nlm.nih.gov/42118275/). *Abdom Radiol (NY)*. [Review / Meta-Analysis]
Mir TH (2026). [PMID: 41740896](https://pubmed.ncbi.nlm.nih.gov/41740896/). *J Am Acad Dermatol*. [Other]
Kumar S (2026). [PMID: 41462032](https://pubmed.ncbi.nlm.nih.gov/41462032/). *Am J Hematol*. [Review / Meta-Analysis]
Castellani D (2026). [PMID: 41894711](https://pubmed.ncbi.nlm.nih.gov/41894711/). *J Gastrointestin Liver Dis*. [Other]
Sönmez Ö (2026). [PMID: 41947554](https://pubmed.ncbi.nlm.nih.gov/41947554/). *Turk J Haematol*. [Case Report / Case Series]
Ishikawa K (2026). [PMID: 41260701](https://pubmed.ncbi.nlm.nih.gov/41260701/). *J Vet Med Sci*. [Review / Meta-Analysis]
Gangwar RS (2026). [PMID: 42236047](https://pubmed.ncbi.nlm.nih.gov/42236047/). *Ann Allergy Asthma Immunol*. [Other]
Lau G (2026). [PMID: 41569791](https://pubmed.ncbi.nlm.nih.gov/41569791/). *Blood Adv*. [Review / Meta-Analysis]
Podvin B (2026). [PMID: 41974595](https://pubmed.ncbi.nlm.nih.gov/41974595/). *Am J Hematol*. [Review / Meta-Analysis]
Decaestecker A (2026). [PMID: 41895709](https://pubmed.ncbi.nlm.nih.gov/41895709/). *Kidney Int*. [Case Report / Case Series]
AI-curated news mentioning plasmacytoma
Updated Jul 22, 2026
The International Myeloma Working Group has released updated recommendations for diagnosing and managing solitary plasmacytomas. These guidelines aim to standardize care and improve outcomes for patients with this rare condition.