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Τετάρτη 21 Σεπτεμβρίου 2016

Prognostic factors of overall survival in children and adolescents enrolled in dose-finding trials in Europe: An Innovative Therapies for Children with Cancer study

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Publication date: November 2016
Source:European Journal of Cancer, Volume 67
Author(s): Fernando Carceller, Francisco J. Bautista, Irene Jiménez, Raquel Hladun-Álvaro, Cécile Giraud, Luca Bergamaschi, Madhumita Dandapani, Isabelle Aerts, François Doz, Didier Frappaz, Michela Casanova, Bruce Morland, Darren R. Hargrave, Lynley V. Marshall, Gilles Vassal, Andrew D.J. Pearson, Birgit Geoerger, Lucas Moreno
ObjectivesDose-finding trials are fundamental to develop novel drugs for children and adolescents with advanced cancer. It is crucial to maximise individual benefit, whilst ensuring adequate assessment of key study end-points. We assessed prognostic factors of survival in paediatric phase I trials, including two predictive scores validated in adult oncology: the Royal Marsden Hospital (RMH) and the MD Anderson Cancer Center (MDACC) scores.MethodsData of patients with solid tumours aged <18 years at enrolment in their first dose-finding trial between 2000 and 2014 at eight centres of the Innovative Therapies for Children with Cancer European consortium were collected. Survival distributions were compared using log-rank test and Cox regression analyses.ResultsOverall, 248 patients were evaluated: median age, 11.2 years (range 1.0–17.9); 46% had central nervous system (CNS) tumours and 54% extra-CNS tumours. Complete responses were observed in 2.1%, partial responses in 7.2% and stable disease in 25.9%. Median overall survival (OS) was 6.3 months (95% confidence interval, 5.2–7.4). Lansky/Karnofsky ≤80%, no school/work attendance, elevated creatinine and RMH score ≥1 correlated with worse OS in the multivariate analysis. The RMH and MDACC scores correlated with OS in adolescents (12–17 years), p = 0.002, but not in children (2–11 years).ConclusionsPerformance status of 90–100% and school/work attendance at enrolment are strong indicators of longer OS in paediatric phase I trials. Adult predictive scores correlate with survival in adolescents. These findings provide a useful orientation about potential prognosis and could lead in the future to more paediatric-adapted eligibility criteria in early-phase trials.



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