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)
Фаза 3
Идёт, набор закрыт
NCT03425643
| Заболевание | Non-small Cell Lung Cancer |
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| Фаза | Фаза 3 |
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| Спонсор | Merck Sharp & Dohme LLC |
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| Статус | Идёт, набор закрыт |
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| Участники | 797 участн. |
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| Вмешательство | Pembrolizumab, Cisplatin, Gemcitabine, Pemetrexed |
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| Дата начала | 24.04.2018 |
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| Дата завершения | 10.07.2023 |
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| Публикация результатов | 19.09.2024 |
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Кратко
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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