{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T22:32:14Z","timestamp":1790721134857,"version":"4.1.0"},"reference-count":115,"publisher":"American Society of Clinical Oncology (ASCO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am Soc Clin Oncol Educ Book"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:p> Despite significant improvement in the outcomes of patients with newly diagnosed multiple myeloma (NDMM) with novel therapies, there is still an underserved high-risk (HR) population that experiences early disease progression and death. With the median survival crossing 10 years, we defined ultrahigh-risk (uHR)MM as MM leading to death within 24-36 months of diagnosis and HRMM as MM leading to death within 36-60 months. Several features have emerged as markers of uHRMM: the co-occurrence of two or more high-risk cytogenetic abnormalities, extramedullary disease, plasma cell leukemia and a high-risk gene expression profiling signature. The heterogeneous risk definition across trials, the few trials available designed for HR patients, and the small HR subgroups in all-comers trials make it difficult to generate recommendations with high levels of evidence. Nevertheless, regardless of treatment administered, several studies consistently showed that achieving and maintaining measurable residual disease negativity is now considered the main factor able to mitigate the adverse prognosis related to baseline features. For fit patients with HR transplant-eligible (TE) NDMM, quadruplet induction\/consolidation treatment with anti-CD38 monoclonal antibodies, immunomodulatory agents, proteasome inhibitors and dexamethasone, and autologous stem-cell transplant and maintenance with, if available, at least a doublet combination could be considered the option of choice. For non-TE NDMM, considering the recent data generated and carefully reviewing those upcoming, quadruplet treatment consisting of anti-CD38 monoclonal antibodies, immunomodulatory agents, proteasome inhibitors, and dexamethasone should also be considered. Future trials integrating BCMA-directed novel generation immunotherapies hold great potential for further advancing the treatment landscape in all NDMM patients with HR disease. <\/jats:p>","DOI":"10.1200\/edbk_433520","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T20:03:11Z","timestamp":1716321791000},"source":"Crossref","is-referenced-by-count":45,"title":["Navigating High-Risk and Ultrahigh-Risk Multiple Myeloma: Challenges and Emerging Strategies"],"prefix":"10.1200","volume":"44","author":[{"given":"Matthew J.","family":"Rees","sequence":"first","affiliation":[{"name":"Division of Hematology, Mayo Clinic, Rochester, MN"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mattia","family":"D'Agostino","sequence":"additional","affiliation":[{"name":"Division of Hematology, Department of Molecular Biotechnology and Health Sciences, AOU Citt\u00e0 della Salute e della Scienza, University of Torino, Torino, 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