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Atezolizumab: feasible second-line therapy for patients with non-small cell lung cancer? A review of efficacy, safety and place in therapy.

ABSTRACT: Advanced non-small cell lung cancer (NSCLC) prognosis is still poor and has recently been reformed by the development of immune checkpoint inhibitors and the approval of anti-PD-1 (programmed cell-death 1) treatments such as nivolumab and pembrolizumab in second line. More recently, atezolizumab (MDPL 3280A), a programmed cell-death-ligand 1 (PD-L1) inhibitor, was also studied in this setting. Here, we report a review of the literature assessing the efficacy, safety, and place of atezolizumab in the second-line treatment of advanced NSCLC. We performed a literature search of PubMed, American Society of Clinical Oncology, European Society of Medical Oncology and World Conference on Lung Cancer meetings. Atezolizumab showed a good tolerance profile and efficacy in comparison with docetaxel for second-line treatment of advanced NSCLC. Potential predictive biomarkers also have to be assessed.

SUBMITTER: Jean F

PROVIDER: S-EPMC5808842 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Atezolizumab: feasible second-line therapy for patients with non-small cell lung cancer? A review of efficacy, safety and place in therapy.

Jean Fanny F Tomasini Pascale P Barlesi Fabrice F

Therapeutic advances in medical oncology 20171219 12

Advanced non-small cell lung cancer (NSCLC) prognosis is still poor and has recently been reformed by the development of immune checkpoint inhibitors and the approval of anti-PD-1 (programmed cell-death 1) treatments such as nivolumab and pembrolizumab in second line. More recently, atezolizumab (MDPL 3280A), a programmed cell-death-ligand 1 (PD-L1) inhibitor, was also studied in this setting. Here, we report a review of the literature assessing the efficacy, safety, and place of atezolizumab in ...[more]

PMID: 29449897

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Project description:BackgroundLimited data are available for the combination regimen of anti-programmed cell death protein 1 (PD-1) inhibitor and anti-angiogenic agents as second-line therapy for the treatment of patients with advanced non-small cell lung cancer (NSCLC), especially in patients with squamous NSCLC. This study assessed the efficacy and safety of camrelizumab plus apatinib (a vascular endothelial growth factor receptor 2 inhibitor) as second-line treatment in patients with advanced squamous NSCLC.MethodsIn the Cohort 3 from a phase II dose-expansion trial, patients with advanced non-central squamous NSCLC who were immunotherapy naïve and had failed prior first-line platinum-based chemotherapy received 200 mg of camrelizumab intravenously every 2 weeks plus oral apatinib at the recommended dose of 250 mg once daily. The primary endpoint was objective response rate (ORR) assessed by the investigators as per the Response Evaluation Criteria in Solid Tumors (RECIST) v 1.1.ResultsCohort 3 was prematurely terminated because of slow accrual after 25 patients with advanced squamous NSCLC had been enrolled between 10 October 2018, and 3 March 2019. At the data cutoff date of 12 June 2020, the median follow-up was 13.3 (range, 1.6 to 19.2) months. Among all 25 participants, the ORR was 32.0% (95% CI: 14.9% to 53.5%), the clinical benefit rate was 44.0% (95% CI: 24.4% to 65.1%), and the disease control rate (DCR) was 84.0% (95% CI: 63.9% to 95.5%). Median progression-free survival (PFS) was 6.0 (95% CI: 3.5 to 8.1) months, and median overall survival (OS) was 13.3 (95% CI: 6.4 to 18.8) months. Furthermore, clinical benefits from this combination regimen were evident across all tumor PD ligand 1 (PD-L1) expression subgroups. The most common treatment-related adverse events (TRAEs) of grade 3 or higher were hypertension (44.0%) and palmar-plantar erythrodysesthesia (16.0%). As reported by the investigators, 3 participants (12.0%) died due to TRAEs (interstitial pneumonia, hemorrhage, and unknown reason; n=1 each, 4%).ConclusionsCamrelizumab plus apatinib as second-line therapy showed satisfactory antitumor activity in patients with non-central squamous NSCLC, regardless of tumor PD-L1 expression. Camrelizumab plus apatinib had a manageable safety profile in this patient population, and the toxic reactions observed were generally consistent with those in previously reported studies. Interstitial pneumonia and hemorrhage are important risks requiring careful monitoring and prompt intervention.

Project description:BackgroundSingle-agent immunotherapy is currently the recommended second-line therapy for patients with advanced non-small cell lung cancer (NSCLC) without targetable mutations; however, the objective response rate (ORR) remains low. This phase II study evaluated the efficacy of the combination therapy of sintilimab plus docetaxel and explored potential biomarkers for efficacy prediction.MethodsThirty patients with NSCLC without targetable mutations whose disease progressed from first-line platinum-based chemotherapy from October 2019 to December 2020 were enrolled in this single-arm, single-center, phase II trial. Sintilimab (200 mg) and docetaxel (75 mg/m2) were administered every 3 weeks until progression. The primary endpoint was ORR. Secondary endpoints included progression-free survival (PFS), overall survival (OS), and safety. Biomarker analyses of blood and tissue samples were also performed.ResultsAmong 30 patients, 11 patients had partial response, resulting in an ORR of 36.7%. The median PFS was 5.0 months (95%CI: 3.9-6.1) and OS was 13.4 months (95%CI: 5.6-21.2). The most common immune-related adverse event of any grade was hepatitis, observed in 23.3% (7/30) of patients. Treatment-emergent adverse events were manageable. Patients detected with high PD-L1 expression in circulating tumor cells (cutoff value ≥32.5% based on the median CTC-PD-L1 expression) achieved significantly higher ORR (60% versus 13.3%, p = 0.021) and significantly longer median PFS (6.0 versus 3.5 months, p = 0.011) and median OS (15.8 versus 9.0 months, p = 0.038) than those with low CTC-PD-L1 level. Patients detected with PD-L1 < 1% and CD8 ≥ 1% expression from their baseline tissue samples had significantly higher ORR (83.3% versus 12.5%, p = 0.026) but similar PFS (p = 0.62) and OS (p = 0.15).ConclusionThis study demonstrated the effectiveness and safety of sintilimab plus docetaxel as a second-line treatment of NSCLC without targetable mutations after progression from first-line platinum-based chemotherapy.Trial registrationThis study was registered in the Clinical trials registry with ClinicalTrials.gov Identifier NCT03798743 (SUCCESS).

Project description:ImportanceImmune checkpoint inhibitor combination therapy has recently become the standard of care for first-line treatment of metastatic nonsquamous non-small cell lung cancer. The implications of these first-line treatments are considerable, given the potential population of patients eligible to receive them and their high cost.ObjectiveTo evaluate the cost-effectiveness of adding atezolizumab to bevacizumab, carboplatin, and paclitaxel as a first-line treatment strategy for patients with metastatic nonsquamous non-small cell lung cancer in the United States.Design, setting, and participantsIn this economic evaluation, a primary microsimulation model was developed to assess atezolizumab combination vs bevacizumab, carboplatin, and paclitaxel alone in the first line (base case 1). A secondary model was developed to assess these treatments along with pembrolizumab combination and platinum doublet chemotherapy (base case 2). Treatment strategies and other simulated conditions were based on those from the IMpower150 and KEYNOTE-189 clinical trials. The study perspective was the US health care sector. One million patients with metastatic nonsquamous non-small cell lung cancer were simulated for each treatment group. This study was performed from February 2019 through May 2019.Main outcomes and measuresIncremental cost-effectiveness ratios were compared with a willingness-to-pay threshold of $100 000 per quality-adjusted life-year (QALY).ResultsIn base case 1, in which 1 million patients were simulated, treating with bevacizumab, carboplatin, and paclitaxel in the first line was associated with a mean cost of $112 551 (95% CI, $112 450-$112 653) and a mean survival of 1.48 QALYs (95% CI, 1.47-1.48 QALYs) per patient. Atezolizumab plus bevacizumab, carboplatin, and paclitaxel was associated with a mean cost of $244 166 (95% CI, $243 864-$244 468) and a mean survival of 2.13 QALYs (95% CI, 2.12-2.13 QALYs) per patient, for an estimated incremental cost-effectiveness ratio of $201 676 per QALY (95% CI, $198 105-$205 355 per QALY). In base case 2, in which 1 million patients were simulated, pembrolizumab combination therapy was associated with a mean cost of $226 282 (95% CI, $226 007-$226 557) and a mean survival of 2.45 QALYs (95% CI, 2.44-2.46 QALYs) per patient. Pembrolizumab combination dominated atezolizumab plus bevacizumab, carboplatin, and paclitaxel, leading to an incremental cost-effectiveness ratio of $116 698 per QALY (95% CI, $115 088-$118 342 per QALY) between pembrolizumab combination and bevacizumab, carboplatin, and paclitaxel. Atezolizumab combination was not cost-effective at a willingness-to-pay threshold of $100 000 per QALY.Conclusions and relevanceIn this simulated model economic analysis, atezolizumab combination was not cost-effective compared with bevacizumab, carboplatin, and paclitaxel and provided suboptimal incremental benefit compared with cost vs pembrolizumab combination for first-line treatment. Although atezolizumab combination therapy provides clinical benefits, price reductions may be necessary for this treatment strategy to become cost-effective.

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Atezolizumab: feasible second-line therapy for patients with non-small cell lung cancer? A review of efficacy, safety and place in therapy.

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Atezolizumab: feasible second-line therapy for patients with non-small cell lung cancer? A review of efficacy, safety and place in therapy.

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