Dataset Information

Choosing the best first-line therapy: NSCLC with no actionable oncogenic driver.

ABSTRACT: Combination platinum-based therapy has been the standard of care for the treatment of advanced non-small-cell lung cancer (NSCLC). Immunotherapy has emerged and demonstrated to show benefit in the treatment of patients with advanced NSCLC. In this review, we discuss the pivotal trials that led to the US FDA approval of specific immunotherapy regimens in particular patient populations. We discuss the optimal use of immunotherapy as monotherapy based on the KEYNOTE-024, KEYNOTE-042 and IMpower110 trials, chemo-immunotherapy based on KEYNOTE-189, KEYNOTE-407, IMpower150 and IMpower130 trials, and as doublet immunotherapy based on CheckMate-227. We also discuss the role and limitations of PD-L1 expression and tumor mutational burden as predictive biomarkers in response to single-agent immunotherapy and combination chemoimmunotherapy. Furthermore, we discuss emerging resistance markers such as STK11 and KEAP1 mutations in immunotherapy response and briefly discuss the role of immunotherapy in elderly patients and in patients with actionable mutations.

SUBMITTER: Kim SY

PROVIDER: S-EPMC7399613 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Choosing the best first-line therapy: NSCLC with no actionable oncogenic driver.

Kim So Yeon SY Halmos Balazs B

Lung cancer management 20200724 3

Combination platinum-based therapy has been the standard of care for the treatment of advanced non-small-cell lung cancer (NSCLC). Immunotherapy has emerged and demonstrated to show benefit in the treatment of patients with advanced NSCLC. In this review, we discuss the pivotal trials that led to the US FDA approval of specific immunotherapy regimens in particular patient populations. We discuss the optimal use of immunotherapy as monotherapy based on the KEYNOTE-024, KEYNOTE-042 and IMpower110 ...[more]

PMID: 32774467

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Project description:The impact of combining epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) and chemotherapy as first-line therapy for patients with advanced non-small-cell lung cancer (NSCLC) remains controversial. Therefore, randomized trials that compared this combined regimen with chemotherapy or EGFR-TKIs monotherapy were included for this meta-analysis. We used published hazard ratios (HRs), if available, or derived treatment estimates from other survival data. Pooled estimates of treatment efficacy of the combined regimen in the entire unselected population and selected patients by EGFR-mutation status and smoking history were calculated. Eight trials eventually entered into this meta-analysis, including 4585 patients. Overall, the combined regimen significantly delayed disease progression (HR?=?0.81, 95% CI 0.69-0.95, P?=?0.01); subgroup analysis showed significantly higher progression free survival advantages in Asian patients (P<0.001), with sequential combination of TKIs and chemotherapy (P?=?0.02). In selected patients by EGFR-mutation, both mutation positive (HR?=?0.48, 95% CI 0.28-0.83, P?=?0.009) and negative (HR?=?0.84, 95% CI 0.72-0.98, P?=?0.02) patients gained progression free survival benefit from the combined regimen, albeit the magnitude of benefit was marginally larger in mutation positive patients (P?=?0.05). In selected patients by smoking history, never/light smokers achieved a great progression free survival benefit from the combined regimen (HR?=?0.51, 95% CI 0.35-0.74, P?=?0.0004). Unfortunately, the combined regimen had no significant impact on overall survival, irrespective of ethnicity, dose schedules or EGFR-mutation status. Severe anorexia (RR?=?2.01, 95% CI 1.11-3.63; P?=?0.02) and diarrhea (RR?=?2.70, 95% CI 1.94-3.76; P<0.001) were more frequent in the combined regimen arm. This strategy of combining EGFR-TKIs and chemotherapy deserved to be considered in the future, although it is not approved for advanced NSCLC at the moment.

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Choosing the best first-line therapy: NSCLC with no actionable oncogenic driver.

Publications

Choosing the best first-line therapy: NSCLC with no actionable oncogenic driver.

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