ArticleExperimental hematology & oncology2015
Extranodal diffuse large B-cell lymphoma with monoclonal gammopathy: an aggressive and primary refractory disease responding to an immunomodulatory agent.
Article in Experimental hematology & oncology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- Chidamide combined with ibrutinib improved the prognosis of primary bone marrow diffuse large B cell lymphoma.The Journal of international medical research · 2020Article
- Lenalidomide in Relapsed or Refractory Diffuse Large B-Cell Lymphoma: Is It a Valid Treatment Option?The oncologist · 2016Article
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8 authors at 3 institutions in 2 countries.
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Abstract
backgroundAlthough the clinical outcome of patients with diffuse large B cell lymphoma (DLBCL) has been improved by the addition of rituximab to standard chemotherapy, almost one-third fails or relapses after first line treatment. The presence of monoclonal gammopathy (MG) is a known adverse prognostic factor for DLBCL. Because this subset of patients does not benefit from R-CHOP, new therapeutic options are required. Herein, we report the first case of extranodal DBCL of the lung with a concomitant MG who achieved a long lasting complete remission with lenalidomide. CASE PRESENTATION: The 73-year-old male patient presented with lateral cervical lymphadenopathy, B symptoms, lactate dehydrogenase and beta2-microglobulin elevation. Computed tomography (CT) showed mediastinal lymphadenopathy and bilateral lung involvement. Biopsy of both disease locations revealed the presence of DLBCL. Successive bone marrow trephine biopsy proved the presence of concordant DLBCL involvement. At the time of diagnosis, a MG was present as well. The patient did not respond to the standard treatments, and subsequently underwent lenalidomide 25 mg/m(2) days 1-21 q28 plus dexamethasone 40 mg days 1-4, 9-12 e 17-20. This therapeutic regimen was efficacious and safe as salvage therapy in extranodal DBCL with a MG. Furthermore, we observed a close association between DLBCL response to therapy and MG levels, suggesting that the amount of M-protein might be a surrogate marker of disease response.
conclusionAlthough DLBCL associated with MG does not respond properly to the standard treatments, it is highly sensitive to lenalidomide, which is why we endorse its role as treatment of choice in this subset of patients. In addition, MG levels appear to correlate with tumor burden, suggesting that it might be a useful marker of disease response. Prospective trials to validate these observations are warranted.
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