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Clinical Trial, Phase II
Journal Article
Research Support, Non-U.S. Gov't
Phase II Trial of Combination Nab-paclitaxel and Gemcitabine in Non-squamous Non-small Cell Lung Cancer After Progression on Platinum and Pemetrexed.
Clinical Lung Cancer 2022 June
BACKGROUND: Better therapies are needed to improve survival in metastatic non-small cell lung cancer (NSCLC). Given the synergy of combination nab-paclitaxel and gemcitabine in metastatic pancreatic cancer and their individual activity in advanced NSCLC, we sought to determine whether the same combination would confer a therapeutic benefit in the second-line therapy of recurrent or metastatic non-squamous (NSQ) NSCLC.
MATERIALS AND METHODS: This single-arm phase II trial of nab-paclitaxel and gemcitabine was performed from June 2015 to April 2020 at an academic referral cancer center. Patients with advanced NSQ-NSCLC whose disease progressed on first-line pemetrexed plus platinum +/- immunotherapy were enrolled. Patients received intravenous nab-paclitaxel 100 mg/m2 and gemcitabine 1000 mg/m2 on days 1 and 8 of each 21-day cycle. The primary endpoint was objective response rate (ORR). Secondary endpoints included disease control rate (DCR), progression-free survival (PFS), and overall survival (OS). Safety and tolerability were evaluated by Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.
RESULTS: Thirty-seven patients (15 men [41%] and 22 women [59%]; median age, 66 years [range, 41-81 years]) were accrued. ORR was 13.5% (95% CI, 2.5-24.5%). DCR was 59.5% (95% CI, 43.5-75.5%). Median PFS was 2.6 months (95% CI, 1.4-3.8 months). Median OS was 6.2 months (95% CI, 4.2-8.2 months). 1-year OS was 24% (95% CI, 10-38%). Safety and tolerability were similar to other second-line chemotherapies, although there was an 11% incidence of grade 2-3 pneumonitis.
CONCLUSION: Combination nab-paclitaxel and gemcitabine after platinum and pemetrexed for NSQ-NSCLC was not associated with greater efficacy than would be expected for single-agent chemotherapy in this setting. The higher-than-expected risk of pneumonitis was also concerning.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT02303977 MICRO-ABSTRACT: In this phase II trial, 37 patients with metastatic non-squamous non-small cell lung cancer were treated with nab-paclitaxel/gemcitabine in second-line. ORR = 13.5% (95% CI, 2.5%-24.5%). Median PFS = 2.6 months (95% CI, 1.4-3.8 months). Median OS = 6.2 months (95% CI, 4.2-8.2 months). Nab-paclitaxel and gemcitabine was not associated with greater efficacy than would be expected for single-agent chemotherapy in this setting.
MATERIALS AND METHODS: This single-arm phase II trial of nab-paclitaxel and gemcitabine was performed from June 2015 to April 2020 at an academic referral cancer center. Patients with advanced NSQ-NSCLC whose disease progressed on first-line pemetrexed plus platinum +/- immunotherapy were enrolled. Patients received intravenous nab-paclitaxel 100 mg/m2 and gemcitabine 1000 mg/m2 on days 1 and 8 of each 21-day cycle. The primary endpoint was objective response rate (ORR). Secondary endpoints included disease control rate (DCR), progression-free survival (PFS), and overall survival (OS). Safety and tolerability were evaluated by Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.
RESULTS: Thirty-seven patients (15 men [41%] and 22 women [59%]; median age, 66 years [range, 41-81 years]) were accrued. ORR was 13.5% (95% CI, 2.5-24.5%). DCR was 59.5% (95% CI, 43.5-75.5%). Median PFS was 2.6 months (95% CI, 1.4-3.8 months). Median OS was 6.2 months (95% CI, 4.2-8.2 months). 1-year OS was 24% (95% CI, 10-38%). Safety and tolerability were similar to other second-line chemotherapies, although there was an 11% incidence of grade 2-3 pneumonitis.
CONCLUSION: Combination nab-paclitaxel and gemcitabine after platinum and pemetrexed for NSQ-NSCLC was not associated with greater efficacy than would be expected for single-agent chemotherapy in this setting. The higher-than-expected risk of pneumonitis was also concerning.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT02303977 MICRO-ABSTRACT: In this phase II trial, 37 patients with metastatic non-squamous non-small cell lung cancer were treated with nab-paclitaxel/gemcitabine in second-line. ORR = 13.5% (95% CI, 2.5%-24.5%). Median PFS = 2.6 months (95% CI, 1.4-3.8 months). Median OS = 6.2 months (95% CI, 4.2-8.2 months). Nab-paclitaxel and gemcitabine was not associated with greater efficacy than would be expected for single-agent chemotherapy in this setting.
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