Study protocol for a multicenter randomised controlled trial on the (cost)effectiveness of biopsy combined with same-session MR-guided LITT versus biopsy alone in patients with primary irresectable glioblastoma (EMITT trial)

Céline L.G. Neutel, Ilaria Viozzi, Christiaan G. Overduin, Anne Rijpma, Janneke P.C. Grutters, Gerjon Hannink, Pieter van Eijsden, Pierre A. Robe, Maroeska M. Rovers, Mark ter Laan*

*Corresponding author for this work

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Abstract

Background: Glioblastoma (GBM) is the most common primary, malignant brain tumour with a 5-year survival of 5%. If possible, a glioblastoma is resected and further treated with chemoradiation therapy (CRT), but resection is not feasible in about 30% of cases. Current standard of care in these cases is a biopsy followed by CRT. Magnetic resonance (MR) imaging-guided laser interstitial thermal therapy (LITT) has been suggested as a minimally invasive alternative when surgery is not feasible. However, high-quality evidence directly comparing LITT with standard of care is lacking, precluding any conclusions on (cost-)effectiveness. We therefore propose a multicenter randomized controlled study to assess the (cost-)effectiveness of MR-guided LITT as compared to current standard of care (EMITT trial). Methods and analysis: The EMITT trial will be a multicenter pragmatic randomized controlled trial in the Netherlands. Seven Dutch hospitals will participate in this study. In total 238 patients will be randomized with 1:1 allocation to receive either biopsy combined with same-session MR-guided LITT therapy followed by CRT or the current standard of care being biopsy followed by CRT. The primary outcomes will be health-related quality of life (HR-QoL) (non-inferiority) using EORTC QLQ-C30 + BN20 scores at 5 months after randomization and overall survival (superiority). Secondary outcomes comprise cost-effectiveness (healthcare and societal perspective) and HR-QoL of life over an 18-month time horizon, progression free survival, tumour response, disease specific survival, longitudinal effects, effects on adjuvant treatment, ablation percentage and complication rates. Discussion: The EMITT trial will be the first RCT on the effectiveness of LITT in patients with glioblastoma as compared with current standard of care. Together with the Dutch Brain Tumour Patient association, we hypothesize that LITT may improve overall survival without substantially affecting patients’ quality of life. Trial registration: This trial is registered at ClinicalTrials.gov (NCT05318612).

Original languageEnglish
Article number788
Number of pages8
JournalBMC Cancer
Volume23
Issue number1
DOIs
Publication statusPublished - Dec 2023

Keywords

  • Ablation
  • Brain neoplasms
  • Glioblastoma
  • Laser ablation
  • Laser therapy
  • Magnetic resonance-guided laser-induced thermal therapy

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