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Poster Display session 3

2407 - Long term relative survival (RS) in patients with primary metastatic kidney cancer (primary mRCC): an analysis of 2,167 patients from the Austrian National Cancer Registry (ANCR).


30 Sep 2019


Poster Display session 3


Tumour Site

Renal Cell Cancer


Monika Hackl


Annals of Oncology (2019) 30 (suppl_5): v356-v402. 10.1093/annonc/mdz249


M. Hackl1, H. Karim-Kos2, S. Madersbacher3, M. Rauchenwald4, M. Marszalek4

Author affiliations

  • 1 Austrian National Cancer Registry, Statistic Austria, 1110 - Vienna/AT
  • 2 Department Of Public Health, Erasmus MC University Medical Center, Rotterdam/NL
  • 3 Urology, KFJ, 1100 - Vienna/AT
  • 4 Urology, Sozialmedizinisches Zentrum Ost - Donauspital, 1220 - Vienna/AT


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Abstract 2407


The introduction of thyrosinkinase inhibitors (TKI) changed the treatment of mRCC. To elaborate the potential impact of TKI therapies, we studied trends in OS for patients diagnosed with primary mRCC between 1998 - 2015 in Austria.


All patients with primary mRCC (≥18 years), diagnosed from 1998 - 2015 were derived from the ANCR (n = 2,490). Patients diagnosed from 2004-2005 (n = 323) were excluded (transition period of systemic therapies). To evaluate survival differences between patients treated before and after the introduction of Sunitinib (preTKI-era and TKI-era), 3 periods were defined: 1998 - 2003 (preTKI-era; N = 937), 2006 - 2010 (TKI-era P1; N = 687) and 2011 - 2015 (TKI-era P2; N = 543). Follow-up was complete until Dec. 31st, 2016. The Cox proportional hazard model was used to calculate hazard ratios (HR).


A total of 2,167 patients were included, median age was 70 yrs in the 3 eras. The incidence of T1 tumors increased from 6.9% in the preTKI-era to 10% in the TKI-era while T4 tumors decreased from 15% to 8% (p <.001). Surgery rate declined from 50% in the preTKI-era to 43% in 2011-2015 (p =.02). 5-year RS for patients undergoing surgery slightly increased from 18% in the preTKI-era to 23% in TKI-era P1 (p =.04). For patients without surgery 5-year OS improved from 5.2% in the preTKI-era to 9.1% in TKI-era P1 (p <.001). Further survival gain was observed in patients < 75 yrs of + 6% (p =.01), patients > = 75 years of + 0.2% (p =.03) and for T3/T4 tumors of + 6% (p =.002). The Relative Excess Risk of dying (RER) for patients treated in the TKI-eras was reduced compared to the preTKI-era (HR 0.78, 95% CI 0.76-0.95) adjusted for sex, age, T-stage and surgery. Survival advantage for patients undergoing surgery remained significant (HR: 0.46, 95% CI 0.41-0.52) after adjustment for TKI-era, sex, age, T-stage.


Patients treated in the TKI era show improved RS compared to the cytokine era. Most benefit was observed in non-surgical patients, younger patients and for T3/T4 disease. Surgery contributed to an additional survival benefit.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

Priv. Doz. Dr. Martin Marszalek.


Pfizer Austria.


All authors have declared no conflicts of interest.

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