Efficacy and Safety of Pembrolizumab (MK-3475) With Platinum Doublet Chemotherapy as Neoadjuvant/Adjuvant Therapy for Participants With Resectable Stage II, IIIA, and Resectable IIIB (T3-4N2) Non-small Cell Lung Cancer (MK-3475-671/KEYNOTE-671)
3期
进行中(已停止招募)
NCT03425643
| 适应症 | Non-small Cell Lung Cancer |
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| 分期 | 3期 |
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| 申办方 | Merck Sharp & Dohme LLC |
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| 状态 | 进行中(已停止招募) |
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| 受试者人数 | 797 人 |
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| 干预(药物) | Pembrolizumab, Cisplatin, Gemcitabine, Pemetrexed |
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| 开始日期 | 2018年4月24日 |
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| 完成日期 | 2023年7月10日 |
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| 结果公布日 | 2024年9月19日 |
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摘要
This trial will evaluate the safety and efficacy of pembrolizumab (MK-3475) in combination with platinum doublet neoadjuvant chemotherapy (NAC) before surgery \[neoadjuvant phase\], followed by pembrolizumab alone after surgery \[adjuvant phase\] in participants with resectable stage II, IIIA, and resectable IIIB (T3-4N2) non-small cell lung cancer (NSCLC). The primary hypotheses of this study are that neoadjuvant pembrolizumab (vs. placebo) in combination with NAC, followed by surgery and adjuvant pembrolizumab (vs. placebo) will improve: 1) event free survival (EFS) by biopsy assessed by local pathologist or by investigator-assessed imaging using Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1); and 2) overall survival (OS).
Event Free Survival (EFS)
Up to approximately 5 years · Months
| NAC + Neoadjuvant/Adjuvant Pembrolizumab | 47.2 Months |
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| NAC + Neoadjuvant/Adjuvant Placebo | 18.3 Months |
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| p-value | <0.00001 |
| Hazard Ratio (HR) | 0.59 (95% CI 0.48–0.72) |
Overall Survival (OS)
Up to approximately 5 years · Months
| NAC + Neoadjuvant/Adjuvant Pembrolizumab | NA Months |
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| NAC + Neoadjuvant/Adjuvant Placebo | 52.4 Months |
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| p-value | 0.00517 |
| Hazard Ratio (HR) | 0.72 (95% CI 0.56–0.93) |
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