The prognostic significance of lactate dehydrogenase levels in seminoma patients with advanced disease: an analysis by the Global Germ Cell Tumor Collaborative Group (G3)

Christoph Seidel, Gedske Daugaard, Tim Nestler, Alexey Tryakin, Mikhail Fedyanin, Christian Daniel Fankhauser, Thomas Hermanns, Jorge Aparicio, Julia Heinzelbecker, Pia Paffenholz, Axel Heidenreich, Ugo De Giorgi, Richard Cathomas, Anja Lorch, Anna Fingerhut, Fabian Gayer, Felix Bremmer, Patrizia Giannatempo, Andrea Necchi, Daniele RaggiGaetano Aurilio, Chiara Casadei, Marcus Hentrich, Ben Tran, Klaus-Peter Dieckmann, Margarido Brito, Christian Ruf, Alessandro Mazzocca, Bruno Vincenzi, Olof Stahl, Carsten Bokemeyer, Christoph Oing

Abstract

PURPOSE: The prognostic significance of lactate dehydrogenase (LDH) in patients with metastatic seminoma is not defined. We investigated the prognostic impact of LDH levels prior to first-line systemic treatment and other clinical characteristics in this subset of patients.

METHODS: Files from two registry studies and one single-institution database were analyzed retrospectively. Uni- and multivariate analyses were conducted to identify patient characteristics associated with recurrence free survival (RFS), overall survival (OS), and complete response rate (CRR).

RESULTS: The dataset included 351 metastatic seminoma patients with a median follow-up of 5.36 years. Five-year RFS, OS and CRR were 82%, 89% and 52%, respectively. Explorative analysis revealed a cut-off LDH level of < 2.5 upper limit of normal (ULN) (n = 228) vs. ≥ 2.5 ULN (n = 123) to be associated with a significant difference concerning OS associated with 5-years OS rates of 93% vs. 83% (p = 0.001) which was confirmed in multivariate analysis (HR 2.87; p = 0.004). Furthermore, the cut-off LDH < 2.5 ULN vs. ≥ 2.5 ULN correlated with RFS and CRR associated with a 5-years RFS rate and CRR of 76% vs. 86% (p = 0.012) and 32% vs. 59% (p  ≤  0.001), respectively.

CONCLUSIONS: LDH levels correlate with treatment response and survival in metastatic seminoma patients and should be considered for their prognostic stratification.

Original languageEnglish
JournalWorld Journal of Urology
Volume39
Issue number9
Pages (from-to)3407-3414
Number of pages8
ISSN0724-4983
DOIs
Publication statusPublished - Sept 2021

Keywords

  • Adolescent
  • Adult
  • Aged
  • Humans
  • L-Lactate Dehydrogenase/blood
  • Male
  • Middle Aged
  • Neoplasm Staging
  • Prognosis
  • Retrospective Studies
  • Seminoma/blood
  • Survival Rate
  • Testicular Neoplasms/blood
  • Young Adult

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