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Locally advanced lung cancer: an optimal setting for vaccines and other immunotherapies.

ABSTRACT: Lung cancer has traditionally been considered relatively resistant to immunotherapies. However, recent advances in the understanding of tumor-associated antigens, anti-tumor immune responses, and tumor immunosuppression mechanisms have resulted in a number of promising immunomodulatory therapies such as vaccines and checkpoint inhibitors. Locally advanced non-small cell lung cancer is an optimal setting for these treatments because standard therapies such as surgery, radiation, and chemotherapy may enhance anti-tumor immune effects by debulking the tumor, increasing tumor antigen presentation, and promoting T-cell response and trafficking. Clinical trials incorporating immunomodulatory agents into combined modality therapy of locally advanced non-small cell lung cancer have shown promising results. Future challenges include identifying biomarkers to predict those patients most likely to benefit from this approach, radiographic assessment of treatment effects, the timing and dosing of combined modality treatment including immunotherapies, and avoidance of potentially overlapping toxicities.

SUBMITTER: Iyengar P

PROVIDER: S-EPMC3689291 | biostudies-literature | 2013 May-Jun

REPOSITORIES: biostudies-literature

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Locally advanced lung cancer: an optimal setting for vaccines and other immunotherapies.

Iyengar Puneeth P Gerber David E DE

Cancer journal (Sudbury, Mass.) 20130501 3

Lung cancer has traditionally been considered relatively resistant to immunotherapies. However, recent advances in the understanding of tumor-associated antigens, anti-tumor immune responses, and tumor immunosuppression mechanisms have resulted in a number of promising immunomodulatory therapies such as vaccines and checkpoint inhibitors. Locally advanced non-small cell lung cancer is an optimal setting for these treatments because standard therapies such as surgery, radiation, and chemotherapy ...[more]

PMID: 23708072

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Project description:BackgroundResearchers have not simultaneously compared the cost-effectiveness of six immunotherapies with chemotherapy for advanced non-small cell lung cancer. This study evaluated the cost-effectiveness across different programmed death-ligand 1 (PD-L1) levels.MethodsA Markov model with lifetime horizon was created for seven regimens: pembrolizumab plus chemotherapy (pembro-chemo), nivolumab plus ipilimumab (nivo-ipi), nivolumab, ipilimumab plus chemotherapy (nivo-ipi-chemo), atezolizumab plus chemotherapy (atezo-chemo), atezolizumab, bevacizumab plus chemotherapy (atezo-beva-chemo), single-agent pembrolizumab, and chemotherapy alone. Input parameters were derived from trial data, a network meta-analysis, and other literature. We conducted the analysis from the perspective of US health care sector.ResultsFor all patients without considering PD-L1 expression, the incremental cost-effectiveness ratio (ICER) of pembro-chemo versus chemotherapy was $183,299 per quality-adjusted life year (QALY). The preferred regimens based on ICERs differed by PD-L1 levels. For patients with PD-L1 ≥50%, pembrolizumab versus chemotherapy and pembro-chemo versus pembrolizumab resulted in ICERs of $96,189 and $198,913 per QALY, respectively. The other strategies were dominated. For patients with PD-L1 of 1%-49%, the ICER of pembro-chemo comparing to chemotherapy was $218,159 per QALY. The other regimens were dominated by pembro-chemo. For patients with PD-L1 <1%, nivo-ipi versus chemotherapy and nivo-ipi-chemo versus nivo-ipi resulted in ICERs of $161,277 and $881,975 per QALY, and the other regimens were dominated strategies. At the willingness-to-pay threshold of $150,000 per QALY, pembrolizumab had 87% and pembro-chemo had 1% probabilities being cost-effective in patients with PD-L1 ≥50% and 1%-49%, respectively. Nivo-ipi had a 34% probability being cost-effective in patients with PD-L1 <1%.ConclusionsThe PD-L1 level should be incorporated into treatment decision-making. Our findings suggest that first-line pembrolizumab, pembro-chemo, and nivo-ipi are the preferred strategies for patients with PD-L1 ≥50%, 1%-49%, and <1%, respectively.

Dataset Information

Locally advanced lung cancer: an optimal setting for vaccines and other immunotherapies.

Publications

Locally advanced lung cancer: an optimal setting for vaccines and other immunotherapies.

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