AI Article Synopsis

  • Red blood cell distribution width (RDW) may serve as an important indicator of prognosis in multiple myeloma (MM), reflecting patients' inflammatory status.
  • High RDW values correlate with poorer blood metrics, including lower platelet and hemoglobin levels, which in turn are linked to decreased treatment response and overall survival (OS).
  • Patients with low RDW at diagnosis exhibited significantly better treatment outcomes and survival rates, suggesting that RDW could be a valuable prognostic tool for MM.

Article Abstract

Background: Red blood cell distribution width (RDW) has been reported as an inflammatory biomarker and a predictor of prognosis in different types of cancer. However, the role of RDW at diagnosis in patients with multiple myeloma (MM) has been less explored.

Objective: We aimed to investigate the association between RDW and the response to treatment and overall survival (OS) in patients with MM.

Methods: We retrospectively analyzed the data for 196 MM patients between January 1, 2007 and December 31, 2015. Kaplan-Meier analysis and Cox regression model were used.

Results: High RDW values were associated with lower platelet count, lower hemoglobin levels, lower albumin levels, and higher lactate dehydrogenase (LDH) level. Among the entire cohort, the overall response rates (ORR) and complete response (CR) rate of initial therapy were markedly higher in the low-RDW group compared to the high-RDW group. RDW was significant lower in CR in comparison to Non-CR groups in patients treated with bortezomib-based regimens as induction therapy. The patients with low-RDW at diagnosis had better OS when compared to those with high-RDW.

Conclusions: Elevated RDW was associated with worse survival in patients with MM and could predict treatment responses. Further larger and prospective studies are required.

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Source
http://dx.doi.org/10.3233/CBM-170032DOI Listing

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