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Aumolertinib shows improved progression-free survival in stage III non-small cell lung cancer

by Medical Xpress
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The epidermal growth factor receptor tyrosine kinase inhibitor aumolertinib demonstrated improved progression-free survival compared to placebo without any significant new adverse reactions, according to data from the POLESTAR study presented at the International Association for the Study of Lung Cancer 2024 World Conference on Lung Cancer.

Consolidation therapy with durvalumab is established as the standard of care for patients who do not experience following concurrent chemoradiotherapy. However, it is unknown what the specific benefit is of consolidation immunotherapy for patients with EGFR-mutant non-small cell .

To address this, Dr. Xiangjiao Meng of the Shandong Cancer Hospital and Institute, Shandong First Medical University, China and colleagues randomized 147 patients—94 received aumolertinib and 53 were given a placebo.

To be included in the trial, patients had EGFRm (Ex19del or L858R) unresectable stage III NSCLC and had not progressed after cCRT/sequential CRT (sCRT). The primary endpoint was and secondary endpoints included overall survival, other efficacy endpoints and safety.

Median follow-up was 16.36 months (range 0–33.2) for patients treated with aumolertinib and 13.93 months for those who received a placebo.

Dr. Meng and his colleagues found that patients in the aumolertinib arm had a longer progression-free survival than patients randomized to the . Median PFS by BICR was 30.4 months for patients treated with aumolertinib compared with 3.8 months for patients in the placebo group (HR 0.200, p<0.0001).

Dr. Meng reported that median overall survival (9.8% maturity for aumolertinib and 6.0% maturity for placebo) were not reached in either group. All causality adverse events were reported in 98% vs. 89% of patients, with radiation pneumonitis reported in 45%, in aumolertinib compared to 30% for placebo. The most common ≥ Grade 3 treatment-related adverse event was blood creatine phosphokinase increased, 6.4% vs. 0% for aumolertinib and placebo.

“These findings suggest that aumolertinib may represent a novel treatment option as maintenance therapy for patients with unresectable stage III EGFRm NSCLC after the CRT,” said Dr. Meng.

Provided by
International Association for the Study of Lung Cancer

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Aumolertinib shows improved progression-free survival in stage III non-small cell lung cancer (2024, September 11)
retrieved 11 September 2024
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