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@ARTICLE{vanTilburg:287439,
author = {C. M. van Tilburg$^*$ and L. B. Kilburn and S. Perreault
and R. Schmidt and A. A. Azizi and O. Cruz-Martínez and M.
Zápotocký and K. Scheinemann and A. Y. N. S. Meeteren and
A. Sehested and E. Opocher and P. H. Driever and S. Avula
and D. S. Ziegler and D. Capper$^*$ and A. Koch and F.
Sahm$^*$ and J. Qiu and L.-P. Tsao and S. C. Blackman and P.
Manley and T. Milde$^*$ and R. Witt$^*$ and D. T. W.
Jones$^*$ and D. Hargrave and O. Witt$^*$},
title = {{LOGGIC}/{FIREFLY}-2: a phase 3, randomized trial of
tovorafenib vs. chemotherapy in pediatric and young adult
patients with newly diagnosed low-grade glioma harboring an
activating {RAF} alteration.},
journal = {BMC cancer},
volume = {24},
number = {1},
issn = {1471-2407},
address = {Heidelberg},
publisher = {Springer},
reportid = {DKFZ-2024-00242},
pages = {147},
year = {2024},
note = {#EA:B310#LA:B310#},
abstract = {Pediatric low-grade glioma (pLGG) is essentially a single
pathway disease, with most tumors driven by genomic
alterations affecting the mitogen-activated protein
kinase/ERK (MAPK) pathway, predominantly KIAA1549::BRAF
fusions and BRAF V600E mutations. This makes pLGG an ideal
candidate for MAPK pathway-targeted treatments. The type I
BRAF inhibitor, dabrafenib, in combination with the MEK
inhibitor, trametinib, has been approved by the United
States Food and Drug Administration for the systemic
treatment of BRAF V600E-mutated pLGG. However, this
combination is not approved for the treatment of patients
with tumors harboring BRAF fusions as type I RAF inhibitors
are ineffective in this setting and may paradoxically
enhance tumor growth. The type II RAF inhibitor, tovorafenib
(formerly DAY101, TAK-580, MLN2480), has shown promising
activity and good tolerability in patients with BRAF-altered
pLGG in the phase 2 FIREFLY-1 study, with an objective
response rate (ORR) per Response Assessment in
Neuro-Oncology high-grade glioma (RANO-HGG) criteria of
$67\%.$ Tumor response was independent of histologic
subtype, BRAF alteration type (fusion vs. mutation), number
of prior lines of therapy, and prior MAPK-pathway inhibitor
use.LOGGIC/FIREFLY-2 is a two-arm, randomized, open-label,
multicenter, global, phase 3 trial to evaluate the efficacy,
safety, and tolerability of tovorafenib monotherapy vs.
current standard of care (SoC) chemotherapy in patients < 25
years of age with pLGG harboring an activating RAF
alteration who require first-line systemic therapy. Patients
are randomized 1:1 to either tovorafenib, administered once
weekly at 420 mg/m2 (not to exceed 600 mg), or
investigator's choice of prespecified SoC chemotherapy
regimens. The primary objective is to compare ORR between
the two treatment arms, as assessed by independent review
per RANO-LGG criteria. Secondary objectives include
comparisons of progression-free survival, duration of
response, safety, neurologic function, and clinical benefit
rate.The promising tovorafenib activity data,
CNS-penetration properties, strong scientific rationale
combined with the manageable tolerability and safety profile
seen in patients with pLGG led to the SIOPe-BTG-LGG working
group to nominate tovorafenib for comparison with SoC
chemotherapy in this first-line phase 3 trial. The efficacy,
safety, and functional response data generated from the
trial may define a new SoC treatment for newly diagnosed
pLGG.ClinicalTrials.gov: NCT05566795. Registered on October
4, 2022.},
keywords = {BRAF (Other) / Chemotherapy (Other) / Child (Other) /
First-line (Other) / MAPK (Other) / Pediatric low-grade
glioma (Other) / Tovorafenib (Other) / pLGG (Other)},
cin = {B310 / HD01 / BE01 / B300 / B360},
ddc = {610},
cid = {I:(DE-He78)B310-20160331 / I:(DE-He78)HD01-20160331 /
I:(DE-He78)BE01-20160331 / I:(DE-He78)B300-20160331 /
I:(DE-He78)B360-20160331},
pnm = {312 - Funktionelle und strukturelle Genomforschung
(POF4-312)},
pid = {G:(DE-HGF)POF4-312},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38291372},
doi = {10.1186/s12885-024-11820-x},
url = {https://inrepo02.dkfz.de/record/287439},
}