The podcast discusses the management of high-risk myeloma, including genetic markers and prognostic factors. It explores the impact of Dell 1P32 and other chromosome 1 nuances on newly diagnosed myeloma. Treatment options and the role of autologous transplant are also discussed. Implementation of gene expression profiling and genetic profiling in managing high-risk myeloma is highlighted. The challenges of using synthetic control arms in clinical trials and the management of high-risk myeloma are explored.
Gene expression profiling provides additional information beyond traditional genetic testing for identifying high-risk multiple myeloma patients.
Chromosome 1 abnormalities, including gain 1q and amplification 1q, are adverse prognostic factors in multiple myeloma.
The OPTIMUM trial showed promising outcomes with daratumumab, lenalidomide, bortezomib, and cyclophosphamide in ultra-high-risk myeloma patients.
Deep dives
Identification and comprehensive profiling of high-risk multiple myeloma
In the podcast episode, the concept of high-risk multiple myeloma is discussed, focusing on various genetic abnormalities and markers that define this group. The inclusion of gene expression profiling to identify high-risk patients is highlighted, as it provides additional information beyond traditional genetic testing. The importance of considering the presence of multiple high-risk markers rather than individual abnormalities is emphasized. The outcome of the SWOG S01211 trial, which investigated the addition of elotuzumab to VRD therapy, is mentioned, showing no significant improvement in progression-free survival. The results of the OPTIMUM trial, a phase II study, are also discussed, demonstrating promising outcomes with the use of daratumumab, lenalidomide, bortezomib, and cyclophosphamide in ultra-high-risk patients. The trial achieved high response rates and a prolonged progression-free survival, suggesting the potential benefit of this treatment approach in this patient population.
Chromosome 1 abnormalities in multiple myeloma
The podcast delves into the complexity of chromosome 1 abnormalities in multiple myeloma, specifically focusing on gain 1q and amplification 1q. The prevalence of these abnormalities in newly diagnosed myeloma patients is highlighted, with gain 1q observed in 25-30% of cases and amplification 1q in 7-9% of cases. The discussion touches on the prognostic impact of these abnormalities, noting that both gain and amplification of 1q are adverse prognostic factors. The question of whether there is a difference in prognosis between gain and amplification is addressed, with studies showing conflicting results. The importance of considering other genetic abnormalities that co-occur with 1q abnormalities is emphasized, as they may influence the overall prognosis. Future advancements in genomic analysis, such as long-range sequencing, are mentioned as potential tools for better understanding the impact of chromosome 1 abnormalities.
The OPTIMUM trial and treatment approaches for ultra-high-risk myeloma
The podcast episode focuses on the OPTIMUM trial, a phase II study investigating the treatment of ultra-high-risk multiple myeloma. The trial utilized a combination of daratumumab, lenalidomide, bortezomib, and cyclophosphamide in a multi-stage treatment approach. The trial achieved remarkable results, with an 18-month progression-free survival rate of 78% and sustained progression-free survival at 30 months of 77%. These outcomes represent a significant improvement compared to historical data for ultra-high-risk myeloma patients. The discussion highlights the importance of early and comprehensive diagnostics, including gene expression profiling, to accurately identify and treat high-risk patients. The consideration of continuous therapy versus MRD-guided de-escalation is touched upon, with cautiousness expressed regarding de-escalation in the ultra-high-risk group due to potential genomic instability and the need for accessible treatment options in case of relapse.
Yellow Traffic Light: Importance of Counting and Integrating Risk Factors
The podcast episode discusses the importance of counting and integrating risk factors when assessing high-risk melanoma patients. The speaker highlights a study that revealed an additive effect of risk factors, showing that counting these factors and using a more sophisticated traffic light system can aid in risk stratification. Although there are debates about the specific markers and their interactions, the overall conclusion is that high-risk markers should be considered as yellow traffic lights, indicating the need for heightened vigilance and caution in managing patients.
Transplant and Maintenance: Considerations for High-Risk Patients
In the context of high-risk myeloma, the podcast explores the considerations for autologous transplant and maintenance therapy. While upfront autologous transplant did not show an overall survival improvement in certain trials, subgroup analysis suggests potential benefits for high-risk patients. The discussion also delves into the role of maintenance therapy, particularly with lenalidomide. The analysis of cytogenetic subgroups indicates that maintenance therapy can significantly impact progression-free survival in patients with high-risk markers. However, optimal treatment strategies and deescalation approaches require further investigation.
In this episode, we discuss with Dr. Martin Kaiser how to identify and manage newly diagnosed high-risk multiple myeloma in the current era of effective frontline therapies. Here are the key studies that we touched upon:
1. Phase II OPTIMUM (MUKnine) trial in ultra-high-risk myeloma and PCL: