Optimizing adjuvant treatment options for patients with glioblastoma

Zhu, Enzhao and Wang, Jiayi and Shi, Weizhong and Jing, Qi and Ai, Pu and Shan, Dan and Ai, Zisheng (2024) Optimizing adjuvant treatment options for patients with glioblastoma. Frontiers in Neurology, 15: 1326591. ISSN 1664-2295

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Abstract

Background: This study focused on minimizing the costs and toxic effects associated with unnecessary chemotherapy. We sought to optimize the adjuvant therapy strategy, choosing between radiotherapy (RT) and chemoradiotherapy (CRT), for patients based on their specific characteristics. This selection process utilized an innovative deep learning method. Methods: We trained six machine learning (ML) models to advise on the most suitable treatment for glioblastoma (GBM) patients. To assess the protective efficacy of these ML models, we employed various metrics: hazards ratio (HR), inverse probability treatment weighting (IPTW)-adjusted HR (HRa), the difference in restricted mean survival time (dRMST), and the number needed to treat (NNT). Results: The Balanced Individual Treatment Effect for Survival data (BITES) model emerged as the most effective, demonstrating significant protective benefits (HR: 0.53, 95% CI, 0.48–0.60; IPTW-adjusted HR: 0.65, 95% CI, 0.55–0.78; dRMST: 7.92, 95% CI, 7.81–8.15; NNT: 1.67, 95% CI, 1.24–2.41). Patients whose treatment aligned with BITES recommendations exhibited notably better survival rates compared to those who received different treatments, both before and after IPTW adjustment. In the CRT-recommended group, a significant survival advantage was observed when choosing CRT over RT (p < 0.001). However, this was not the case in the RT-recommended group (p = 0.06). Males, older patients, and those whose tumor invasion is confined to the ventricular system were more frequently advised to undergo RT. Conclusion: Our study suggests that BITES can effectively identify GBM patients likely to benefit from CRT. These ML models show promise in transforming the complex heterogeneity of real-world clinical practice into precise, personalized treatment recommendations.

Item Type:
Journal Article
Journal or Publication Title:
Frontiers in Neurology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2728
Subjects:
?? deep learningradiotherapyglioblastomachemoradiotherapymachine learningclinical neurologyneurology ??
ID Code:
216001
Deposited By:
Deposited On:
07 Mar 2024 11:20
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 00:59