Therapeutic potential of targeting LAG-3 in cancer
Immune checkpoint inhibitors targeting negative regulatory checkpoints including programmed death-1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 have produced significant improvements in progression-free survival (PFS) and overall survival in multiple solid tumors. Lymphocyte activation ge...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2025-07-01
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| Series: | Journal for ImmunoTherapy of Cancer |
| Online Access: | https://jitc.bmj.com/content/13/7/e011652.full |
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| Summary: | Immune checkpoint inhibitors targeting negative regulatory checkpoints including programmed death-1 (PD-1) and cytotoxic T-lymphocyte-associated protein 4 have produced significant improvements in progression-free survival (PFS) and overall survival in multiple solid tumors. Lymphocyte activation gene 3 (LAG-3) is an inhibitory receptor that is highly expressed by exhausted T cells. Dual blockade of LAG-3 and PD-1 with monoclonal antibodies relatlimab and nivolumab has improved PFS in advanced melanoma, leading to Food and Drug Administration approval for this indication. Concurrently, enthusiasm for targeting LAG-3 has been tempered by negative results in multiple indications, although novel approaches including LAG-3-directed bispecifics tebotelimab continue to demonstrate promise. In this review, we discuss the current understanding of LAG-3 in regulating antitumor immunity and the ongoing state of clinical development of LAG-3-directed agents in cancer. |
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| ISSN: | 2051-1426 |