Nivolumab effective treatment for malignant mesothelioma
Research presented at International Association for the Study of Lung Cancer World Conference on Lung Cancer
2021-01-30
(Press-News.org) (Singapore--January 30, 2021 11:00 p.m. SPT/January 30, 2021 10:00 a.m. EST)-- Nivolumab monotherapy is an effective treatment option for relapsed malignant mesothelioma (MM), according to research presented today at the International Association for the Study of Lung Cancer World Conference on Lung Cancer.
Malignant mesothelioma is an intractable cancer, and no phase III trial has yet shown an improvement in overall survival following the standard first line chemotherapy doublet comprising pemetrexed and cisplatin or carboplatin since it was licensed in 2004.
Professor Dean Fennell, chair of Thoracic Medical Oncology at the University of Leicester in collaboration with Professor Gareth Griffiths and his team at the Southampton Clinical Trials Unit, University of Southampton, UK, presented results of the Checkpoint Blockade for Inhibition of Relapsed Mesothelioma (CONFIRM) study, funded by Cancer Research UK/Stand Up To Cancer. The investigator-led, placebo-controlled randomized phase III trial involved 24 centers in the United Kingdom.
Nivolumab is a programmed death-1 (PD-1) inhibitor that has shown activity in previously treated malignant mesothelioma in two single-arm phase II clinical trials.
In the CONFIRM trial, 332 adult patients with previously treated, unresectable, histologically confirmed MM (pleural or peritoneal) and Eastern Cooperative Oncology Group performance status 0-1 were randomly assigned to nivolumab (n = 221) or placebo (n = 111).
Participants were stratified by epithelioid vs nonepithelioid histology. The co-primary endpoints were investigator-assessed progression-free survival (PFS) and overall survival (OS); key secondary endpoints included best overall response and safety.
Overall survival was immature but showed significantly longer survival with nivolumab (events 232 [target 291]; median, 9.2 vs 6.6 months; HR, 0.72; 95% CI: 0.55-0.94; P=0.02). Investigator-assessed progression-free survival was longer for nivolumab vs placebo (3.0 vs 1.8 months; HR 0.61; 95% CI, 0.48-0.77; P 1% (in 34% of included patients) and survival. Grade 3-4 treatment-related adverse events were reported in 19% of patients who received nivolumab and in 6.3% who received placebo. Treatment discontinuation due to toxicity occurred in 13.1% (nivolumab) versus 2.7% (placebo).
"CONFIRM met its co-primary endpoints of improved overall survival and progression-free survival with nivolumab vs placebo in relapsed malignant mesothelioma. The safety profile of nivolumab was consistent with its known profile with no new safety signals. Nivolumab monotherapy is an effective treatment option for [patients with this disease," said Prof. Fennell.
"CONFIRM gives good evidence that this treatment approach should be considered for the new standard of care for these patients," said Prof. Griffiths
"Therapeutic alternatives are always welcome in the contest of a difficult-to-treat diseases such as malignant pleural mesothelioma," said Dr. Giorgio Scagliotti, interim IASLC CSO, "and this study contributes to increase our range of treatment opportunities in the setting of relapsed/recurrent disease."
INFORMATION:
About the IASLC:
The International Association for the Study of Lung Cancer (IASLC) is the only global organization dedicated solely to the study of lung cancer and other thoracic malignancies. Founded in 1974, the association's membership includes more than 7,500 lung cancer specialists across all disciplines in over 100 countries, forming a global network working together to conquer lung and thoracic cancers worldwide. The association also publishes the Journal of Thoracic Oncology, the primary educational and informational publication for topics relevant to the prevention, detection, diagnosis, and treatment of all thoracic malignancies. Visit http://www.iaslc.org for more information.
About the WCLC:
The WCLC is the world's largest meeting dedicated to lung cancer and other thoracic malignancies, attracting more than 7,000 researchers, physicians and specialists from more than 100 countries. The goal is to increase awareness, collaboration and understanding of lung cancer, and to help participants implement the latest developments across the globe. The conference will cover a wide range of disciplines and unveil several research studies and clinical trial results. For more information, visit wclc2020.iaslc.org.
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[Press-News.org] Nivolumab effective treatment for malignant mesothelioma
Research presented at International Association for the Study of Lung Cancer World Conference on Lung Cancer
