Glioblastoma in 15-39 year-olds: 230% increase in 20 years!

By : Phonegate Team • 9 Mar 2025

‘Phonegate Alert notes with the utmost attention the publication on March 3, 2025 of a study by Santé Publique France (SPF) on the incidence of cancers in adolescents and young adults (AYA) aged 15 to 39. This report reveals a worrying increase in glioblastoma (serious brain cancer) in this age group, with a significant rise of +6.11% per year over the period studied (2000-2020). This represents an overall increase of around 233% over 20 years!

Glioblastoma: Red alert among young people

This increase is particularly alarming, as it contrasts with trends observed for other types of cancer. While the overall incidence of cancers in the AYA population has seen an increase followed by stabilization (or even a slight decrease), the continuing rise in glioblastomas stands out. With regard to central nervous system (CNS) tumours in general, the study also highlights the need to interpret the data with caution due to various potential biases, but the specific increase in glioblastomas remains a major cause for concern.’

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