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Flow Cytometry-based Assay for the Monitoring of NK Cell Functions
Published on: October 30, 2016
Effectiveness and Safety of Anlotinib-Related Therapeutic Regimens in Patients with Previously Immune Checkpoint
Xue-Sen Fang1, Tie-Song Zhang1, Shao-Jun Li1
1Department of Thoracic Surgery, the Fourth Medical Center of Chinese PLA General Hospital, Beijing, 100048, People's Republic of China.
Objective:
This study aimed to identify the effectiveness and safety of anlotinib-related therapeutic regimens in patients with previously immune checkpoint inhibitors (ICIs)-treated advanced non-small cell lung cancer (NSCLC).
Methods:
A total of 107 patients with previously ICIs-treated advanced NSCLC who received anlotinib-related regimens or single-agent chemotherapy in clinical practice were included in this study retrospectively. The anlotinib group (AG) included 54 patients who received anlotinib-related regimens, and the chemotherapy group (CG) consisted of 53 patients who received single-agent chemotherapy. This study retrospectively collected the efficacy and safety data during the patients' therapeutic process and performed regular follow-up to obtain long-term survival data. Clinical outcomes and safety profiles between AG and CG were analyzed and compared.
Results:
Best overall response of the 107 patients with previously ICIs-treated advanced NSCLC suggested that objective response rates of AG and CG were 24.1% and 11.3%, respectively; no statistically significant difference was observed (P = 0.084). Disease control rates were 79.6% and 54.7%, respectively (P = 0.006). Furthermore, the median PFS of AG and CG were 6.3 months (95% CI = 0.91-11.69) and 2.8 months (95% CI = 2.32-3.28), respectively, which showed a statistically significant difference (P = 0.002). The median OS in AG and CG were 16.1 months (95% CI = 12.28-19.92) and 10.1 months (95% CI = 3.99-16.21), respectively, which also exhibited a statistically significant difference (P = 0.015). Incidence of adverse reactions with all grades in AG and CG were 85.2% and 83.0%, respectively, grade ≥3 adverse reactions occurred in 40.7% and 45.3%, respectively. Common adverse reactions of patients in AG included fatigue, hypertension, nausea and vomiting, and hematologic toxicity, while patients in CG commonly experienced fatigue, hematologic toxicity, nausea and vomiting, and liver toxicity.
Conclusion:
Among patients with previously ICIs-treated advanced NSCLC, anlotinib-related therapeutic regimens demonstrated encouraging efficacy and a tolerable safety profile compared with the single-agent chemotherapy regimen. This conclusion still needs further validation in prospective clinical trials.
