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Deauville Score-Based Evaluation of Interim PET/CT in Follicular Lymphoma: A Prognostic Factor Systematic Review and Meta-Analysis

  • 0Radiology, Hospital Geral de Salvador, Salvador, BRA.
Cureus +

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January 6, 2025

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January 6, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Positive interim PET scans in follicular lymphoma (FL) patients treated with frontline chemoimmunotherapy indicate a significantly higher risk of disease progression and reduced overall survival. This finding highlights interim PET/CT as a valuable prognostic tool for FL.

Area Of Science

  • Oncology
  • Nuclear Medicine
  • Hematology

Background

  • Follicular lymphoma (FL) is an indolent non-Hodgkin lymphoma with uncertain prognostication.
  • Interim PET/CT is used for response assessment in other lymphomas, but its prognostic role in FL is unclear.
  • The Deauville Score is utilized for interim PET assessment.

Purpose Of The Study

  • To evaluate the prognostic significance of interim PET/CT results in patients with follicular lymphoma undergoing frontline treatment.
  • To assess the association between interim PET positivity (Deauville Score) and patient outcomes, including progression-free survival (PFS) and overall survival (OS).

Main Methods

  • Systematic review and meta-analysis of studies evaluating interim PET/CT during frontline chemoimmunotherapy for FL.
  • Inclusion of four studies with a total of 427 patients.
  • Pooled hazard ratios (HR) for PFS and OS using random-effects models, with sensitivity analyses.

Main Results

  • A positive interim PET result was significantly associated with poorer Progression-Free Survival (HR = 2.88, 95% CI: 1.83-4.52).
  • Positive interim PET results also correlated with significantly decreased Overall Survival (HR = 3.32, 95% CI: 1.34-8.23).
  • Sensitivity analyses confirmed the robustness of these findings.

Conclusions

  • Positive interim PET/CT scans are a significant predictor of worse outcomes in patients with follicular lymphoma receiving frontline therapy.
  • Interim PET/CT assessment holds potential as a valuable prognostic tool in the management of FL.
  • Further validation may refine its role in treatment stratification.

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