Article (Scientific journals)
Long-term outcome evaluation of medium/high risk acute lymphoblastic leukaemia children treated with or without cranial radiotherapy in the EORTC 58832 randomized study.
PIETTE, Caroline; Suciu, Stefan; Bertrand, Yves et al.
2020In British Journal of Haematology, 189 (2), p. 351-362
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Keywords :
childhood ALL; cranial irradiation; late effects; second neoplasm; survivorship
Abstract :
[en] We investigated the long-term outcome, the incidence of second neoplasms (SN) and the rate of late adverse effects (LAE) in children with central nervous system (CNS) negative medium/high-risk de novo acute lymphoblastic leukaemia (ALL), in first complete remission (CR1) at end of late intensification, randomized to receive no cranial radiotherapy (No CRT, n = 92) versus CRT (standard arm, n = 84) in the non-inferiority EORTC 58832 study (1983-1989). Median follow-up was 20 years (range 4-32 years). The 25-year disease-free survival rate (+/-SE) was 67.4 +/- 4.9% without CRT and 70.2 +/- 5.0% with CRT. The 25-year incidence of isolated (6.5 +/- 2.6% vs. 4.8 +/- 2.3%) and any CNS relapse {8.7 +/- 2.9% vs. 11.9 +/- 3.5%; hazard ratio (HR) 0.71 [95% confidence interval (CI) 0.28-1.79]; test of non-inferiority: P = 0.01} was not increased without CRT. The 25-year SN incidence in CR1 was 7.9 +/- 4.6% vs. 11.0 +/- 4.2%. The 25-year event-free and overall survival rates were quite similar in both arms [59.5 +/- 6.3% vs. 60.5 +/- 5.9%, HR 0.94 (95% CI 0.57-1.52), and 78.1 +/- 4.3% vs. 78.5 +/- 4.5%, HR 1.00 (95% CI 0.53-1.88)]. Omission of CRT was associated with dramatic decrease in CNS and endocrine LAE rates. In conclusion, our data suggest that, with proper systemic and intrathecal CNS prophylaxis, CRT could totally be omitted in CR1 without jeopardizing survival, while decreasing LAE in childhood ALL.
Disciplines :
Pediatrics
Oncology
Author, co-author :
PIETTE, Caroline ;  Centre Hospitalier Universitaire de Liège - CHU > Département de Pédiatrie > Service de pédiatrie
Suciu, Stefan
Bertrand, Yves
Uyttebroeck, Anne
Vandecruys, Els
Plat, Genevieve
Paillard, Catherine
Pluchart, Claire
Sirvent, Nicolas
Maurus, Renee
Poiree, Maryline
Simon, Pauline
Ferster, Alina
Hoyoux, Claire ;  CHU Liège > Pédiatrie
Mazingue, Francoise
Paulus, Robert
Freycon, Claire
Thomas, Caroline ;  Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Philippet, Pierre
Gilotay, Caroline
van der Werff Ten Bosch, Jutte
Rohrlich, Pierre S.
Benoit, Yves
More authors (13 more) Less
Language :
English
Title :
Long-term outcome evaluation of medium/high risk acute lymphoblastic leukaemia children treated with or without cranial radiotherapy in the EORTC 58832 randomized study.
Publication date :
April 2020
Journal title :
British Journal of Haematology
ISSN :
0007-1048
eISSN :
1365-2141
Publisher :
Wiley, Oxford, United Kingdom
Volume :
189
Issue :
2
Pages :
351-362
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
(c) 2019 British Society for Haematology and John Wiley & Sons Ltd. Epub 2019 Dec 13
Available on ORBi :
since 18 February 2020

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