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Structural Design and Manufacturing of a Cruiser Class Solar Vehicle
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SUV

Philipp E Hartrampf1, Thomas Hüttmann2, Anna Katharina Seitz3

  • 1Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany. Hartrampf_P@ukw.de.

European Journal of Nuclear Medicine and Molecular Imaging
|June 5, 2023
PubMed
Summary
This summary is machine-generated.

[18F]PSMA-1007 PET uptake, C-reactive protein, hemoglobin, and liver metastases predict overall survival in prostate cancer patients undergoing radioligand therapy (RLT). These factors aid in risk stratification for improved patient outcomes.

Keywords:
Overall survivalPSMAProstate cancerRadioligand therapyTheranostics[177Lu]Lu-PSMA I&T[18F]PSMA-1007

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Area of Science:

  • Nuclear Medicine
  • Oncology
  • Radiopharmaceutical Therapy

Background:

  • Prostate cancer (PC) management relies on PSMA-targeted radioligand therapy (RLT).
  • Previous studies show [68Ga]-labeled PSMA PET predicts RLT response.
  • [18F]-labeled radiotracers are increasingly used in PET imaging.

Purpose of the Study:

  • To evaluate if [18F]PSMA-1007 PET uptake can predict RLT response in metastatic castration-resistant PC patients.
  • To assess the prognostic value of [18F]PSMA-1007 PET parameters compared to clinical factors.

Main Methods:

  • Retrospective analysis of 103 metastatic castration-resistant PC patients treated with [177Lu]Lu-PSMA I&T.
  • Pre-therapeutic [18F]PSMA-1007 PET imaging quantified SUVmean, SUVmax, and tumor volume.
  • Clinical data including hemoglobin, CRP, LDH, AST, and AP were collected; Cox regression and Kaplan-Meier analyses were performed for overall survival (OS).

Main Results:

  • Lower SUVmean on [18F]PSMA-1007 PET was associated with reduced OS.
  • Significant prognostic factors for OS included SUVmean, C-reactive protein (CRP), hemoglobin, and presence of liver metastases.
  • A risk factor model incorporating these parameters demonstrated improved risk stratification, with increasing factors linked to worse outcomes.

Conclusions:

  • [18F]PSMA-1007 PET-derived SUVmean, along with CRP, hemoglobin, and liver metastases, are significant predictors of OS in patients undergoing RLT.
  • These imaging and clinical parameters are crucial for accurate risk stratification in advanced prostate cancer.
  • The findings support the use of [18F]PSMA-1007 PET for predicting treatment response and guiding therapeutic decisions in PSMA-targeted RLT.