Novocure Announces Positive Update on Phase 3 Pivotal LUNAR Trial of Tumor Treating Fields (TTFields) in Non-Small-Cell Lung Cancer (NSCLC)

On April 13, 2021, Novocure (NASDAQ: NVCR) announced an update regarding its phase 3 pivotal LUNAR trial of Tumor Treating Fields (TTFields) in stage 4 non-small-cell lung cancer (NSCLC) following platinum failure. Following a routine review of the study by an independent data monitoring committee (DMC), Novocure was informed that the pre-specified interim analysis for the LUNAR trial would be accelerated given the length of accrual and the number of events observed, to date. The interim analysis included data from 210 patients accrued to the LUNAR trial through February 2021. After review of the interim analysis report, the DMC concluded that the LUNAR trial should continue with no evidence of increased systemic toxicity. The DMC also stated that it is likely unnecessary and possibly unethical for patients randomized to the control arm to continue accrual to 534 patients with 18 months follow-up. The DMC recommended a reduced sample size of approximately 276 patients with 12 months follow-up which it believes will provide sufficient overall power for both primary and secondary endpoints. The DMC recommended no other changes to the design of the trial. Novocure remains blinded to all data. The primary endpoint of the LUNAR trial is superior overall survival when patients are treated with TTFields plus immune checkpoint inhibitors or docetaxel versus immune checkpoint inhibitors or docetaxel alone. The final analysis will also include an analysis of overall survival in the immune checkpoint inhibitor and docetaxel treatment subgroups. Novocure has notified the U.S. Food and Drug Administration (FDA) of the DMC recommendations and of its intent to submit an Investigational Device Exemption (IDE) supplement incorporating the recommended protocol adjustments.
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