Risk stratification for febrile neutropenia in patients with testicular germ cell tumors

The aim of this study was to detect risk factors for febrile neutropenia (FN) in patients with testicular germ cell tumors (TGCT). In this retrospective cohort study at the Medical University of Graz, we included 413 consecutive TGCT patients who received adjuvant or curative treatment with cisplatin-based chemotherapy. FN occurred in 70 (16.9%) of 413 patients. In univariable logistic regression, higher age (odds ratio (OR) per 5 years = 1.17, 95% CI: 1.02-1.35, P = 0.022), reduced performance status (PS) (OR = 2.73, 1.47-5.06, P = 0.001), seminomatous histology (OR = 2.19, 1.26-3.78, P = 0.005), poor IGCCCG risk class (OR = 4.20, 1.71-10.33, P = 0.002), and prior radiotherapy (pRTX) (OR = 8.98, 2.09-38.61, P = 0.003) were associated with a higher risk of FN. In multivariable analysis adjusting for age and risk classification, only poor PS (OR = 2.06, 1.05-4.03, P = 0.035), seminomatous histology (OR = 2.08, 1.01-4.26, P = 0.047), and pRTX (OR = 7.31, 1.61-33.17, P = 0.010) prevailed. In the subgroup of seminoma patients (n = 104), only pRTX predicted for FN risk (OR = 5.60, 1.24-25.34, P = 0.025). Five of eight seminoma patients with pRTX developed FN (63%), as compared to 22 FN cases (23%) in the 96 seminoma patients without pRTX (P = 0.027). The eight seminoma patients who received pRTX had significantly lower pre-chemo white blood counts (4.7 vs. 6.5 G/L), neutrophil counts (3.2 vs. 4.3 G/L), and platelet counts (185 vs. 272 G/L) than patients without pRTX (all P < 0.0001). TGCT patients with a reduced performance status or who had been previously treated with radiotherapy have an increased risk for neutropenic fever during chemotherapy.

Cancer medicine. 2018 Jan 19 [Epub ahead of print]

Angelika Terbuch, Florian Posch, Richard Partl, Brigitte Zurl, Thomas Bauernhofer, Martin Pichler, Joanna Szkandera, Georg C Hutterer, Karl Pummer, Karin S Kapp, Herbert Stöger, Armin Gerger, Michael Stotz

Division of Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, Graz, Austria., Department of Therapeutic Radiology and Oncology, Comprehensive Cancer Center Graz, Medical University of Graz, Graz, Austria., Department of Urology, Medical University of Graz, Graz, Austria.

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