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IMpower, CASPIAN, and more: exploring the optimal first-line immunotherapy for extensive-stage small cell lung cancer
Chengliang Huang1,2, Gregory N Gan3,4, Jun Zhang5,6
1Department of Respiratory and Critical Care Medicine II, The Affiliated Hospital of Southwest Medical University, 25 Taiping Street, Luzhou, 646000, Sichuan, China.
Abstract:
The life expectancy of extensive-stage small cell lung (ES-SCLC) cancer patients has not improved in the last 2-3 decades until two recent trials (CASPIAN and IMpower133) showing the addition of anti-programmed death ligand (PD-L1) therapy to chemotherapy has survival benefit over chemotherapy alone. However, such benefit is relatively small and was not even observed in some other trials using immunotherapy, raising the question of optimal chemoimmunotherapy combination in the 1st-line setting for ES-SCLC. Here, we discussed several thought-provoking questions with the focus on IMpower133 and CASPIAN trials.
Insights
Adding anti-programmed death ligand (PD-L1) therapy to chemotherapy offers survival benefits for extensive-stage small cell lung cancer (ES-SCLC) patients. Optimal first-line chemoimmunotherapy combinations for ES-SCLC require further investigation.
Area of Science:
- Oncology
- Immunotherapy
- Medical Research
Background:
- Extensive-stage small cell lung cancer (ES-SCLC) survival has stagnated for decades.
- Recent trials like CASPIAN and IMpower133 introduced anti-programmed death ligand (PD-L1) therapy to chemotherapy regimens.
- The survival benefit observed with chemoimmunotherapy in ES-SCLC is modest and not universally replicated.
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