期刊
ANNALS OF ONCOLOGY
卷 28, 期 3, 页码 590-596出版社
OXFORD UNIV PRESS
DOI: 10.1093/annonc/mdw666
关键词
SHIVA; cross-over; precision medicine; outcome; PFS ratio
类别
资金
- Agence Nationale de le Recherche (Investissements d'avenir) [ANR-10-EQPX-03, ANR-10-INBS-09-08]
- SiRIC (Site de Recherche Integre contre le Cancer)
- Canceropole Ile-de-France
Background: Several studies used the ratio of progression-free survival (PFS) on genotype-matched treatment to PFS on genotype-unmatched treatment to assess the efficacy of therapy guided by patients' tumor molecular profiling. We evaluated the PFS ratio from patients who cross-over in the SHIVA trial. Patients and methods: The primary end point of the SHIVA trial was to compare PFS on molecularly targeted agents (MTAs) based on tumor molecular profiling and treatment at physician's choice (TPC) in patients with any kind of cancer who had failed standard-of-care therapy. The experimental treatment included only marketed MTAs given outside their indications according to a pre-specified treatment algorithm. Patients were allowed to cross-over at disease progression in both arms. Response was evaluated according to RECIST 1.1 at randomization and at cross-over. We evaluated the ratio of PFS on MTA (PFSMTA) to PFS on TPC (PFSTPC) in patients who crossed-over. Results: Among 741 patients enrolled in the SHIVA trial, 197 were randomized, and 95 crossed-over, including 70 patients from the TPC to the MTA arm and 25 patients from the MTA to the TPC arm. Two patients crossed-over in the TPC arm without disease progression. The PFSMTA/PFSTPC ratio exceeded 1.3 in 37% of patients who crossed-over from the TPC to the MTA arm. The PFSMTA/PFSTPC ratio exceeded 1.3 in 61% of patients who crossed-over from the MTA arm to the TPC arm. Conclusions: The cross-over analysis of the SHIVA trial identified 37% of patients who crossed-over from TPC to MTA with a PFSMTA/PFSTPC ratio exceeding 1.3.
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