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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Ther+Adv+Med+Oncol
2025 ; 17
(ä): 17588359251351449
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Frequency of driver oncogenic alterations in NSCLC and estimated indoor radon
exposure in Europe (RADON EUROPE study)
#MMPMID40585875
García-Pardo M
; García de Herreros M
; Auclin E
; Ferriol-Galmes M
; Laguna JC
; Gorría T
; Caravaca G
; Sart J
; Albarrán-Artahona V
; López-Castro R
; Teixidó C
; Castellano G
; Martínez Bedmar A
; Arcocha A
; Alcolea L
; Jiménez M
; Bernabeu M
; Delgado-Cano D
; Navarro A
; Prat A
; Reguart N
; Elio J
; Garrido P
; Leighl NB
; Besse B
; Mezquita L
Ther Adv Med Oncol
2025[]; 17
(ä): 17588359251351449
PMID40585875
show ga
BACKGROUND: Geographical variations in the frequency of oncogenic driver
alterations in non-small cell lung cancer (NSCLC) are observed worldwide, likely
influenced by genetic and environmental factors. Radon, a leading cause of lung
cancer in nonsmokers, may influence NSCLC's molecular profile. OBJECTIVES: This
study aims to explore the potential correlation between estimated indoor radon
concentrations and the frequency of driver alterations in NSCLC across Europe.
DESIGN: Ecological study of European countries with available data on indoor
radon exposure (estimated mean levels and the proportion (%) of dwellings with
concentrations >200 and >400?Bq/m(3)), and frequency of NSCLC actionable genomic
alterations (EGFR, ALK) from PubMed articles and meeting abstracts with sample
size >100 patients. METHODS: We retrospectively analyzed NSCLC molecular data and
radon exposure levels from European countries. Radon data, including the mean and
proportion (%) of dwellings with concentrations >200 and >400?Bq/m(3), were
sourced from the European Commission Report 2005. NSCLC molecular alteration
frequency (EGFR, ALK) was extracted from PubMed articles with sample sizes >100
patients. The correlation between molecular alteration frequencies and
country-specific radon data were assessed. RESULTS: Data on radon exposure and
EGFR/ALK frequency were available for 21 European countries. Five countries had
mean radon levels >100?Bq/m(3), and eight countries had ?3% of dwellings with
concentrations >400?Bq/m(3). The median frequency of EGFR mutations and ALK
fusions was 11.3% (range 7%-18.1%) and 4.1% (range 3.4%-12%), respectively. A
positive correlation was found between estimated ALK-fusion frequency and the
percentage of dwellings with >400?Bq/m(3) (r?=?0.72, p?=?0.001). No correlation
was found between EGFR mutation frequency and radon exposure. CONCLUSION: We
found a positive correlation between estimated ALK fusion frequency in NSCLC and
the proportion of dwellings exceeding 400?Bq/m(3) radon exposure in 21 European
countries. Further research is needed to explore the potential influence of radon
and other environmental factors on NSCLC with driver alterations.