The Lancet. Oncology · 2025
Analysis of TERT association with clinical outcome in meningiomas: a multi-institutional cohort study.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Gui Chloe, Wang Justin Z, Patil Vikas, Landry Alexander P, Singh Olivia, Castelo-Branco Pedro, Tabori Uri, Aldape Kenneth, Behling Felix, Barnholtz-Sloan Jill S, Horbinski Craig, Tabatabai Ghazaleh, Ajisebutu Andrew, Liu Jeff, Patel Zeel, Yakubov Rebeca, Kaloti Ramneet, Ellenbogen Yosef, Wilson Christopher, Cohen-Gadol Aaron, Tatagiba Marcos, Holland Eric C, Sloan Andrew E, Chotai Silky, Chambless Lola B, Gao Andrew, Makarenko Serge, Yip Stephen, Nassiri Farshad, Zadeh Gelareh, International Consortium on Meningiomas (ICOM)
Аннотация
BACKGROUND: TERT promoter mutation is a rare biomarker in meningiomas associated with aberrant TERT expression and reduced progression-free survival. Although high TERT expression is characteristic of tumours with TERT promoter mutations, it has also been observed in tumours with wildtype TERT promoters. This study aimed to investigate the prevalence and prognostic association of TERT expression in meningiomas.
METHODS: This multi-institutional cohort study retrospectively collected clinical and molecular data from 1241 meningiomas surgically resected between Jan 1, 2000, and Dec 31, 2024, at Toronto Western Hospital, Canada (n=380; discovery cohort) and external institutions in Canada, Germany, and the USA (n=861; validation cohort). All patients were aged 18 years and older. TERT promoter mutation and TERT expression were determined by Sanger and bulk RNA sequencing. The primary outcomes were TERT expression (presence or absence) in meningiomas with and without TERT promoter mutations, and the difference in progression-free survival between tumours expressing TERT and those not expressing TERT. Survival analysis was assessed using Cox regression and Kaplan-Meier analysis.
FINDINGS: Between Jan 1, 2000, and Dec 31, 2024, clinical demographics and tumour characteristics were collected. Median follow-up was 6·2 years (IQR 1·7-12·5) in the discovery cohort and 3·3 years (1·3-3·8) in the validation cohort. 777 (65·8%) of 1181 patients with sex data in the overall cohort were female; 404 (34·2%) were male. TERT was expressed in 157 (28·7%) of 547 wildtype TERT promoter meningiomas and in 193 (32·0%) of 604 overall with RNA data. TERT expression overall conferred an intermediate progression-free survival, shorter than that in patients with TERT-negative tumours but longer than in those with TERT promoter mutations. In the discovery cohort, median progression-free survival was 3·2 years (95% CI 1·7-6·5) in patients with wildtype TERT promoter tumours expressing TERT, 16·0 years (7·1 to not reached; p=0·0021) in patients with TERT-negative wildtype TERT promoter tumours, and 1·6 years (0·9 to not reached; p=0·039) in patients with TERT promoter mutations. These findings were replicated in the validation cohort. Within each WHO grade, TERT expression conferred a progression-free survival equivalent to TERT-negative meningiomas of one grade higher. Grade 1 tumours with TERT expression had a progression-free survival similar to TERT-negative grade 2 tumours (median not reached [95% CI 16·0 to not reached] vs 8·2 years [95% CI 4·5 to not reached]; p=0·59). Grade 2 tumours with TERT expression had a similar progression-free survival to TERT-negative grade 3 tumours (median 3·6 years [2·4 to 5·3] vs 3·8 years [2·3 to not reached]; p=0·42). Multivariable regression showed that TERT expression remained associated with shorter progression-free survival even after adjusting for TERT promoter mutations, CDKN2A/B loss, chromosome 1p/22q status, and WHO grade (hazard ratio 1·85 [95% CI 1·33-2·57]; p=0·0002).
INTERPRETATION: TERT expression in meningiomas predicted earlier disease progression, independent of TERT promoter mutation and other markers, and might warrant reclassification of meningiomas that express TERT to a higher WHO grade.
FUNDING: Canadian Institutes of Health Research, Brain Tumour Charity UK, University Health Network Foundation, Mary Hunter Meningioma Research Fund, V Foundation, and National Institutes of Health.
METHODS: This multi-institutional cohort study retrospectively collected clinical and molecular data from 1241 meningiomas surgically resected between Jan 1, 2000, and Dec 31, 2024, at Toronto Western Hospital, Canada (n=380; discovery cohort) and external institutions in Canada, Germany, and the USA (n=861; validation cohort). All patients were aged 18 years and older. TERT promoter mutation and TERT expression were determined by Sanger and bulk RNA sequencing. The primary outcomes were TERT expression (presence or absence) in meningiomas with and without TERT promoter mutations, and the difference in progression-free survival between tumours expressing TERT and those not expressing TERT. Survival analysis was assessed using Cox regression and Kaplan-Meier analysis.
FINDINGS: Between Jan 1, 2000, and Dec 31, 2024, clinical demographics and tumour characteristics were collected. Median follow-up was 6·2 years (IQR 1·7-12·5) in the discovery cohort and 3·3 years (1·3-3·8) in the validation cohort. 777 (65·8%) of 1181 patients with sex data in the overall cohort were female; 404 (34·2%) were male. TERT was expressed in 157 (28·7%) of 547 wildtype TERT promoter meningiomas and in 193 (32·0%) of 604 overall with RNA data. TERT expression overall conferred an intermediate progression-free survival, shorter than that in patients with TERT-negative tumours but longer than in those with TERT promoter mutations. In the discovery cohort, median progression-free survival was 3·2 years (95% CI 1·7-6·5) in patients with wildtype TERT promoter tumours expressing TERT, 16·0 years (7·1 to not reached; p=0·0021) in patients with TERT-negative wildtype TERT promoter tumours, and 1·6 years (0·9 to not reached; p=0·039) in patients with TERT promoter mutations. These findings were replicated in the validation cohort. Within each WHO grade, TERT expression conferred a progression-free survival equivalent to TERT-negative meningiomas of one grade higher. Grade 1 tumours with TERT expression had a progression-free survival similar to TERT-negative grade 2 tumours (median not reached [95% CI 16·0 to not reached] vs 8·2 years [95% CI 4·5 to not reached]; p=0·59). Grade 2 tumours with TERT expression had a similar progression-free survival to TERT-negative grade 3 tumours (median 3·6 years [2·4 to 5·3] vs 3·8 years [2·3 to not reached]; p=0·42). Multivariable regression showed that TERT expression remained associated with shorter progression-free survival even after adjusting for TERT promoter mutations, CDKN2A/B loss, chromosome 1p/22q status, and WHO grade (hazard ratio 1·85 [95% CI 1·33-2·57]; p=0·0002).
INTERPRETATION: TERT expression in meningiomas predicted earlier disease progression, independent of TERT promoter mutation and other markers, and might warrant reclassification of meningiomas that express TERT to a higher WHO grade.
FUNDING: Canadian Institutes of Health Research, Brain Tumour Charity UK, University Health Network Foundation, Mary Hunter Meningioma Research Fund, V Foundation, and National Institutes of Health.