Ahmet Dirican, Professor of Medical Oncology at Medicana International İzmir Hospital, shared on LinkedIn:
“Can Liquid Biopsy Predict Immunotherapy Response?Is Blood TMB Enough?
A phase II trial in ESMO Open evaluated nivolumab in patients with high blood-based TMB (bTMB).
ORR: 21.1% in the bTMB-High cohort.
Baseline bTMB did not clearly distinguish responders from nonresponders.
Week 3 ctDNA decline was associated with longer PFS (HR 0.51).
Perhaps dynamic ctDNA response matters as much as baseline mutational burden.”
Title: Nivolumab in patients with advanced solid tumors with ctDNA-defined high blood tumor mutational burden: a phase II trial
Authors: Y. Nakamura, T. Esaki, T. Nishina, E. Shinozaki, H. Taniguchi, T. Kato, Y. Komatsu, S. Yuki, K. Kato, M. Wakabayashi, T. Ikeno, Y. Ishiguro, K. Takahashi, Y. Ikeda, M. Asano, A. Sato, T. Kuwata, T. Yoshino.

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