The ratio of brain to liver glucose activity and disease activity in multiple myeloma - Summary - MDSpire

The ratio of brain to liver glucose activity and disease activity in multiple myeloma

  • By

  • Sarah Dingli

  • Paul Rothweiler

  • Moritz Binder

  • Joselle Cook

  • Morie A. Gertz

  • Suzanne Hayman

  • Prashant Kapoor

  • Taxiarchis Kourelis

  • Shaji K. Kumar

  • Mustaqeem Siddiqui

  • Rahma Warsame

  • Yi Lin

  • Arthur G. Erdman

  • David Dingli

  • May 7, 2025

  • 0 min

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Objective:

To investigate the brain to liver glucose uptake ratio (B2LR) in patients with multiple myeloma and its correlation with disease activity, highlighting its potential significance as a prognostic indicator.

Key Findings:
  • The B2LR was significantly different between patients with active disease and those in remission (p < 0.05).
  • Higher B2LR correlated with improved progression-free survival (PFS) and overall survival (OS).
  • Patients with extramedullary disease exhibited distinct B2LR patterns, indicating potential prognostic implications.
Interpretation:

The findings suggest that the B2LR may serve as a prognostic indicator in multiple myeloma, reflecting the competition for glucose uptake between the brain and tumors, which may influence treatment outcomes.

Limitations:
  • The study was limited to a single center, which may affect generalizability and introduce potential biases.
  • Small sample size in the initial cohort may limit the robustness of findings.
Conclusion:

The B2LR could be a valuable metric for assessing disease activity and prognosis in multiple myeloma patients, warranting further investigation in larger, multicenter studies to validate these findings.

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