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Bystander or perpetrator: Unravelling the significance and challenges of MGUS
Malini Surapaneni1, Jacob Edmisson1, Attaya Suvannasankha2
1Indiana University Melvin and Bren Simon Comprehensive Cancer Center, 535 Barnhill Dr, Indianapolis, IN 46202, United States of America.
Abstract:
Monoclonal gammopathy of undetermined significance (MGUS) represents a premalignant clinical state with an evolving footprint beyond its established role as a precursor to multiple myeloma. This review is intended for hematologists, oncologists, and translational investigators involved in MGUS risk stratification and prevention research and confronts four unresolved controversies shaping modern MGUS management: (1) The debate surrounding population screening-weighing potential benefits against economic/psychological burdens; (2) Limitations of current risk-stratification models and the promise of dynamic genomic tools; (3) The contentious pathogenic role of MGUS in non-malignant conditions versus its frequent bystander status; and (4) The paradigm-shifting question of early intervention to prevent malignancy. We synthesize emerging evidence suggesting that while MGUS presents unique opportunities for myeloma prevention, significant knowledge gaps persist in risk prediction, disease biology, and therapeutic strategy. Future progress hinges on defining the right patient, right time, and right intervention through advanced biomarker discovery and carefully designed clinical trials.
Insights
Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant condition. Further research is needed to refine risk prediction, understand disease biology, and develop early interventions for MGUS prevention.
Area of Science:
- Hematology
- Oncology
- Translational Research
Background:
- Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant condition.
- MGUS is a known precursor to multiple myeloma.
- Its role extends beyond myeloma precursor status.
Purpose of the Study:
- To review unresolved controversies in MGUS management.
- To explore population screening, risk stratification, pathogenic roles, and early intervention.
- To identify knowledge gaps and future research directions.
Main Methods:
- Literature review synthesizing emerging evidence.
- Discussion of current limitations and future promises in MGUS research.
- Focus on risk stratification, genomic tools, and therapeutic strategies.
Main Results:
- MGUS offers opportunities for myeloma prevention.
- Significant knowledge gaps persist in risk prediction and disease biology.
- Current risk-stratification models have limitations.
Conclusions:
- Effective MGUS management requires addressing key controversies.
- Advanced biomarker discovery is crucial for defining optimal interventions.
- Carefully designed clinical trials are essential for future progress.
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