Article
Author: Bendel, Anne E. ; Fisher, Michael J. ; Dholaria, Hetal ; Massimino, Maura ; Nørøxe, Dorte Schou ; Hammad, Rawan ; Liu, Yen-Lin ; Robison, Nathan J. ; Pfaff, Elke ; Goto, Hiroaki ; Kazanowska, Bernarda ; Lemelle, Lauriane ; Pierron, Gaëlle ; Sato, Mariko ; Ducray, François ; Walter, Andrew ; Berlanga, Pablo ; Mazewski, Claire ; Diamond, Eli L. ; Zapotocky, Michal ; Jones, Chris ; Amir-Yazdani, Pouneh ; Coleman, Christina ; Zamecnik, Josef ; Pfister, Stefan M. ; Coltin, Hallie ; Hutter, Caroline ; Abbou, Samuel ; Gottardo, Nicholas G. ; Jones, David T.W. ; Farmer, Jean-Pierre ; Van Damme, An ; Lindsay, Holly ; Moertel, Christopher L. ; Kramm, Christof ; Øra, Ingrid ; Sturm, Dominik ; Tabori, Uri ; Erker, Craig ; Cheng, Sylvia ; Aguilar-Bonilla, Ana ; Skrypek, Maggie ; Leblond, Pierre ; Meyran, Deborah ; Hwang, Eugene ; Franson, Andrea T. ; De Wilde, Bram ; Jabado, Nada ; Resnick, Adam C. ; Spalato Ceruso, Mariella ; Mushtaq, Naureen ; Lamoureux, Audrey-Anne ; Clarke, Matthew ; Ziegler, David S. ; Razis, Evangelia D. ; Parsons, Donald Williams ; Geoerger, Birgit ; Hoffman, Lindsey M. ; Lin, Frank Y. ; Alves, Mélanie ; Drilon, Alexander ; Hawkins, Cynthia ; Harada, Guilherme ; Cacciotti, Chantel ; Bronnimann, Charlotte ; Barritault, Marc ; O’Halloran, Katrina ; Hamideh, Dima ; Cappellano, Andréa ; Wood, Paul ; Vernadou, Anastasia ; Ellezam, Benjamin ; Seizeur, Romuald ; Doz, François ; Wu, Kuo-Sheng ; Krskova, Lenka ; Aguilera, Dolly ; Weil, Alexander G. ; Laetsch, Theodore W. ; Schiavello, Elisabetta ; Wong, Tai-Tong ; McFadden, Kathryn ; Lassaletta, Alvaro ; Gerber, Nicolas U. ; Alsahlawi, Aysha ; Llort, Anna ; Venne, Dominic ; Perreault, Sébastien ; Orbach, Daniel ; Raskin, Scott ; Hansford, Jordan R. ; Mueller, Sabine
Purpose::Tropomyosin receptor kinase (TRK) fusions are detected in less than 2% of central nervous system tumors. There are limited data on the clinical course of affected patients.
Experimental Design::We conducted an international retrospective cohort study of patients with TRK fusion–driven central nervous system tumors.
Results::A total of 119 patients were identified. The median age at the time of diagnosis was 4.5 years. The majority were reported to have a histology consistent with a diagnosis of high-grade glioma (HGG; 57.1%) followed by low-grade glioma (LGG; 27.7%). Pediatric patients had a better prognosis, with a median overall survival of 185.5 months compared with 24.8 months in adults (P < 0.0001). Patients with LGG also had a better outcome when compared with HGG (P = 0.0012). The objective response was 68.8% with larotrectinib compared with 38.1% for nontargeted treatment.
Conclusions::Children with LGG had a favorable outcome compared with adult glioma and HGG. TRK inhibitors seem to improve tumor control.