Efficacy and safety of tumor treating fields (TTF) combined with chemotherapy versus chemotherapy only in the treatment of glioblastoma: a systematic review and meta-analysis - Summary - MDSpire

Efficacy and safety of tumor treating fields (TTF) combined with chemotherapy versus chemotherapy only in the treatment of glioblastoma: a systematic review and meta-analysis

  • By

  • Naibijiang Abuliezi

  • Yihan Sun

  • Jiale Zhao

  • Xinge Qu

  • Yanyan Wu

  • Tiantian Liao

  • Gulinuer Kuerban

  • Xiaoyi Dun

  • Qinfen Wu

  • May 8, 2026

  • 0 min

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Objective:

To assess the effectiveness and safety of tumor treating fields (TTF) in conjunction with chemotherapy compared to chemotherapy alone in glioblastoma patients, including both newly diagnosed and recurrent cases.

Key Findings:
  • TTF combined with chemotherapy significantly extended progression-free survival (PFS) (HR = 0.62, 95% CI: 0.55–0.69, P < 0.0001) and overall survival (OS) (HR = 0.63, 95% CI: 0.56–0.72, P < 0.0001) in glioblastoma patients.
  • No significant difference in systemic adverse events (OR = 1.10, 95% CI: 0.79–1.53, P = 0.571) between TTF and chemotherapy alone groups.
  • Increased incidence of skin irritation in the TTF cohort (OR = 12.87, 95% CI: 7.47–22.18, P < 0.0001).
Interpretation:

The combination of TTF and chemotherapy offers a promising therapeutic approach for glioblastoma, enhancing survival rates without increasing systemic toxicity compared to standard treatments.

Limitations:
  • Variability in study designs and patient populations may affect the generalizability of the results.
  • Potential bias in selected trials could influence the outcomes.
Conclusion:

TTF in conjunction with chemotherapy markedly improves survival rates in glioblastoma patients, indicating its efficacy and safety compared to existing treatment standards.

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