Opdivo作为一种PD-1免疫检查点抑制剂，其设计宗旨是通过调动和恢复患者自身的免疫系统来对抗癌症。而Yervoy则通过靶向抑制CTLA-4，进一步增强T细胞活性，从而提高对抗肿瘤的能力。这一组合在2011年首次获批用于治疗晚期黑色素瘤，成为全球首个上市的CTLA-4抗体药物。

Opdivo是一种PD-1免疫检查点抑制剂，旨在帮助恢复抗肿瘤免疫反应，利用人体自身的免疫系统来对抗癌症。Yervoy则靶向抑制CTLA-4。CTLA-4抗体通过增强T细胞活性来提高肿瘤杀伤能力。该产品已于2011年获得美国FDA批准治疗晚期黑色素瘤，是全球首个获批上市的CTLA-4抗体药物。

The firm submitted data from a Phase III study showing the combination improved outcomes compared to Opdivo and chemo alone.

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The application was based on results from the three-arm Phase 3 CheckMate -8HW study.