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)
第3相
実施中(募集終了)
NCT03425643
| 対象疾患 | Non-small Cell Lung Cancer |
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| 相 | 第3相 |
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| スポンサー | Merck Sharp & Dohme LLC |
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| ステータス | 実施中(募集終了) |
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| 参加者数 | 797 名 |
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| 介入(薬剤) | Pembrolizumab, Cisplatin, Gemcitabine, Pemetrexed |
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| 開始日 | 2018年4月24日 |
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| 完了日 | 2023年7月10日 |
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| 結果公開日 | 2024年9月19日 |
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概要
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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