Updated results of a prospective noninterventional study of everolimus after use of 1 VEGFR-TKI

Autor: Michael Staehler, Joerg Schmitz, Friedrich Overkamp, Manfred Kindler, Christian Doehn, Edwin Herrmann, Gernot Guderian, Gabriel Steiner, Susanne Kloss, Peter J. Goebell, Thomas Steiner, Ulrich Kube, Steffen Weikert, Lothar Bergmann, Andreas Jakob, Jan Janssen
Rok vydání: 2012
Předmět:
Zdroj: Journal of Clinical Oncology. 30:e15044-e15044
ISSN: 1527-7755
0732-183X
DOI: 10.1200/jco.2012.30.15_suppl.e15044
Popis: e15044 Background: Everolimus (EVE, Afinitor) is approved for the treatment of metastatic renal cell cancer (mRCC) after failure of VEGF-targeted therapy. The option to treat mRCC with six approved targeted agents has sparked debate on proper sequencing of these agents. However, data beyond clinical trials is limited. Here, we report prospective non-interventional data on EVE in routine use after failure of the 1st VEGFR-TKI. Methods: A prospective, single arm non-interventional study for patients with mRCC enrolled 383 patients in Germany between 08/2009 and 01/2012 to determine effectiveness defined as time between first EVE intake until disease progression due to any cause (TTP) and treatment duration. A first interim analysis was previously conducted and presented (Bergmann et al., J Clin Oncol 29: 2011 [suppl; abstr 4552]). Here we present a second interim analysis which was carried out 10 months after the first to corroborate the previous results. Results: 196 pts were included at 79 sites between 08/2009 and 07/2011 and had been followed for a median of 4.5 months at the time of analysis. The safety population (pts with information on EVE treatment) and efficacy population (pts who fulfilled all criteria per observational plan) consisted of 195 pts and 165 pts, respectively. At the cut-off date for the interim analysis, 136 pts (69%) had discontinued the study. Median treatment duration was 7.3 months (95% CI: 4.7 mo; 10.9 mo) and median time to progression (TTP) was 7.0 months (95% CI: 5.1 mo; 9.0 mo) for the efficacy population. A total of 600 AEs were reported in 70% of pts of the safety population including 148 SAEs in 67 pts (34%). Subgroup analysis according to duration of prior VEGF-targeted treatment nd interim analysis of a non-interventional study on EVE in treatment of mRCC after prior failure of the 1st VEGFR-TKI confirms the longer TTP reported in the 1st interim analysis compared to the pivotal trial. The results also provide evidence that TTP under EVE does not necessarily correlate with time on prior treatment.
Databáze: OpenAIRE