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Clinical Trial Summary

The aim of this clinical trial was to determine if the therapeutic cancer vaccine OSE2101 (TEDOPI) was more effective than standard chemotherapy (docetaxel or pemetrexed) in treating HLA-A2 positive patients with metastatic NSCLC who progressed after sequential or concurrent chemotherapy and immune checkpoint inhibitor given in first or second-line treatment. The main questions were to compare the survival, the tolerance to treatment and the quality of life of patients between the two arms of treatment (OSE2101 versus standard chemotherapy)


Clinical Trial Description

The study was a two-step randomized (2:1) study. Patients were stratified by histology (non-squamous versus squamous), best response to first-line treatment [complete response or partial response versus stable disease or progressive disease] and line of treatment with prior ICI (first-line ICI when combined with platinum-based chemotherapy versus second-line ICI when administered as sequential treatment). Primary endpoint was overall survival (OS). Interim OS futility analysis was planned as per Fleming design. In April 2020 at the time of the interim analysis, a decision was taken to early stop the accrual due to COVID-19 after 219 out of 363 patients were randomized. It led to a decrease of the study power from 80% to 62%. At the time of the interim analysis, a subgroup of patients was identified from stratification factor based on a clinical and biological rationale: those who received ICI second line and having received at least 12 weeks ICI. This subgroup was defined as ICI secondary resistance. The final analysis was carried out in the subgroup of patients with ICI secondary resistance and in all patients (ICI primary and secondary resistance). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02654587
Study type Interventional
Source OSE Immunotherapeutics
Contact
Status Terminated
Phase Phase 3
Start date February 12, 2016
Completion date January 15, 2021

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