Avelumab Promising in Unresectable Mesothelioma


“The novel anti-PD-L1 agent avelumab showed some promising clinical activity and was generally well tolerated in a phase I trial of patients with unresectable, previously treated mesothelioma. Results of the trial were presented at the American Society of Clinical Oncology (ASCO) Annual Meeting, held June 3–7 in Chicago.

“ ‘Approximately 3,000 new cases of malignant mesothelioma are diagnosed each year in the United States,’ said Raffit Hassan, MD, of the National Cancer Institute in Bethesda, Maryland, who presented the study. The current standard treatment of pemetrexed and cisplatin yields a median overall survival of 12.1 months, and there is no US Food and Drug Administration (FDA)-approved therapy for patients progressing after first-line chemotherapy.

“Avelumab is a fully human anti-PD-L1 IgG1 antibody; it is under investigation in multiple malignancies. PD-L1 is expressed on the surface of mesothelioma cells, providing a rationale for avelumab’s use in this malignancy. In the new JAVELIN study, more than 1,600 patients have been treated with the drug across a variety of malignancies; in this analysis, 53 patients with unresectable pleural or peritoneal mesothelioma were included. All patients had progressed after a platinum/pemetrexed-containing regimen; they were unselected for PD-L1 expression.”

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