Adding low-dose radiation to the current standard first-line treatment, durvalumab plus etoposide-platinum chemotherapy, appears to improve survival outcomes in patients with extensive-stage small cell lung cancer , suggested new findings from a small, single-arm study.
The latest data, which included a small cohort of 30 patients, revealed that adding low-dose radiation to the standard first-line therapy led to a higher median progression-free survival of 8.3 months and extended median overall survival beyond the study follow-up period of 17.3 months. Overall, 66% of patients were alive at 1 year.
This problem led Zhang and his colleagues to look for ways to improve outcomes. Because the CASPIAN trial did not include radiation to the primary tumor, it seemed a logical strategy to explore. Six patients had liver metastases at the baseline, and three had brain metastases. Over half had prophylactic cranial radiation. Performance scores were 0-1, and all but one of the participants were men.
Hanna wanted more information on the radiotoxicity issue, but even so, he said that adding low-dose radiation to our durvalumab-chemotherapy doublet warrants further investigation.
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