The Annals of pharmacotherapy · 2024
Engaging a New Treatment Paradigm: Elranatamab in Relapsed/Refractory Multiple Myeloma.
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Saied George, Halford Zachery
Аннотация
OBJECTIVE: To review the therapeutic profile of elranatamab, a novel bispecific T-cell-redirecting therapy, in treating relapsed or refractory (R/R) multiple myeloma (MM).
DATA SOURCES: A PubMed search was conducted for English-language articles published from January 2000 through June 2024, using the search terms: PF-06863135, elranatamab, Elrexfio, and "Multiple Myeloma." Additional data were obtained from ClinicalTrials.gov and other pertinent publications and meeting abstracts.
STUDY SELECTION AND DATA EXTRACTION: Clinical trials, guidelines, and prescribing information pertaining to elranatamab were included.
DATA SYNTHESIS: The phase II MagentisMM-3 trial demonstrated an overall response rate of 61.0% (95% confidence interval, 51.8-69.6) in patients naïve to B-cell maturation antigen targeting therapy (cohort A, n = 123), establishing elranatamab monotherapy as a viable treatment option for patients with R/R MM who have received at least 4 prior lines of therapy. The duration of response and progression-free survival at 12 months were 75.3% and 56.6%, respectively.Relevance to patient care and clinical practice in comparison with existing drugs:Despite the promising activity of elranatamab in R/R MM, the significant treatment-related adverse effects (AEs) associated with this therapy necessitate careful monitoring and expert management. Common AEs include cytokine release syndrome, neurotoxicity, hematologic toxicity, and infectious complications. The cost-effectiveness of elranatamab has yet to be evaluated.
CONCLUSIONS: Elranatamab is approved by the Food and Drug Administration as a treatment option for patients with heavily pretreated R/R MM. Further studies are warranted to identify the optimal treatment strategy for elranatamab and other bispecific antibodies in the management of R/R MM.
DATA SOURCES: A PubMed search was conducted for English-language articles published from January 2000 through June 2024, using the search terms: PF-06863135, elranatamab, Elrexfio, and "Multiple Myeloma." Additional data were obtained from ClinicalTrials.gov and other pertinent publications and meeting abstracts.
STUDY SELECTION AND DATA EXTRACTION: Clinical trials, guidelines, and prescribing information pertaining to elranatamab were included.
DATA SYNTHESIS: The phase II MagentisMM-3 trial demonstrated an overall response rate of 61.0% (95% confidence interval, 51.8-69.6) in patients naïve to B-cell maturation antigen targeting therapy (cohort A, n = 123), establishing elranatamab monotherapy as a viable treatment option for patients with R/R MM who have received at least 4 prior lines of therapy. The duration of response and progression-free survival at 12 months were 75.3% and 56.6%, respectively.Relevance to patient care and clinical practice in comparison with existing drugs:Despite the promising activity of elranatamab in R/R MM, the significant treatment-related adverse effects (AEs) associated with this therapy necessitate careful monitoring and expert management. Common AEs include cytokine release syndrome, neurotoxicity, hematologic toxicity, and infectious complications. The cost-effectiveness of elranatamab has yet to be evaluated.
CONCLUSIONS: Elranatamab is approved by the Food and Drug Administration as a treatment option for patients with heavily pretreated R/R MM. Further studies are warranted to identify the optimal treatment strategy for elranatamab and other bispecific antibodies in the management of R/R MM.