Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 23 Ιουλίου 2017

MOlecular Screening for CAncer Treatment Optimization (MOSCATO-01) in pediatric patients: A single institutional prospective molecular stratification trial.

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MOlecular Screening for CAncer Treatment Optimization (MOSCATO-01) in pediatric patients: A single institutional prospective molecular stratification trial.

Clin Cancer Res. 2017 Jul 21;:

Authors: Harttrampf AC, Lacroix L, Deloger M, Deschamps F, Puget S, Auger N, Vielh P, Varlet P, Balogh Z, Abbou S, Allorant A, Valteau-Couanet D, Sarnacki S, Galmiche L, Meurice G, Minard-Colin V, Grill J, Brugières L, Dufour C, Gaspar N, Michiels S, Vassal G, Soria JC, Geoerger B

Abstract
PURPOSE: This single institutional feasibility study prospectively characterized genomic alterations in recurrent or refractory solid tumors of pediatric patients in order to select a targeted therapy.<br /><br />Experimental Design: Following treatment failure patients with signed consent and aged above 6 months, underwent tumor biopsy or surgical resection of primary or metastatic tumor site.  These newly acquired samples were analyzed by comparative genomic hybridization array, next generation sequencing for 75 target genes, whole exome and RNA sequencing.  Biological significance of the alterations and suggestion of most relevant targeted therapies available were discussed in a multidisciplinary tumor board.<br /><br />Results: From December 2012 to January 2016, 75 patients were included, 73 patients underwent 79 interventions, 56 of which were research biopsies with a low complication rate.  All patients were pretreated, 37.0% had a brain tumor and 63.0% an extra-cranial solid tumor.  Median tumor cell content was 70% (range 0-100%).  Successful molecular analysis in 69 patients detected in 60.9% of patients an actionable alteration in various oncogenic pathways (42.4% with copy number change, 33.3% with mutation, 2.1% with fusion), and change in diagnosis in three patients.  Fourteen patients received 17 targeted therapies; two had received a matched treatment prior to inclusion.<br /><br />Conclusions: Research biopsies are feasible in advanced pediatric malignancies that exhibit a considerable amount of potentially actionable alterations.  Genetic events affecting different cancer hallmarks and limited access to targeted agents within pediatric clinical trials remain the main obstacles that are addressed in our two subsequent precision medicine studies MAPPYACTS and AcSé-ESMART.

PMID: 28733441 [PubMed - as supplied by publisher]



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