Current oncology reports · 2022
New Checkpoint Inhibitors on the Road: Targeting TIM-3 in Solid Tumors.
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Gomes de Morais Ana Luiza, Cerdá Sara, de Miguel Maria
Аннотация
PURPOSE OF REVIEW: Even though checkpoint inhibitors have become a recent milestone for the treatment of many different tumor types, eventually, most part of patients will develop resistance mechanisms and their disease will progress. New generations of checkpoint inhibitors, as the ones directed to TIM-3, are on research.
RECENT FINDINGS: TIM-3 expression has been associated with more advanced stages and shorter survival in several tumor types, due to its association with T-cell dysfunction, and has become an interesting target to explore. Early phase clinical trials with different anti-TIM-3 monoclonal antibodies have shown a safe toxicity profile, as cobolimab, LY3321367, or sabatolimab; however, the general antitumor activity remains to be determined and further investigations are needed. TIM-3 is implicated in resistance to immunotherapy due to its role in T cell exhaustion. However, the TIM-3 pathway is highly complex in terms of non-canonical signaling, broad expression by different immune cells and multiple ligands. Different anti-TIM-3 inhibitors are currently on research, either as monotherapy or in combination with other immunotherapies or chemotherapy, aiming to overcome resistance.
RECENT FINDINGS: TIM-3 expression has been associated with more advanced stages and shorter survival in several tumor types, due to its association with T-cell dysfunction, and has become an interesting target to explore. Early phase clinical trials with different anti-TIM-3 monoclonal antibodies have shown a safe toxicity profile, as cobolimab, LY3321367, or sabatolimab; however, the general antitumor activity remains to be determined and further investigations are needed. TIM-3 is implicated in resistance to immunotherapy due to its role in T cell exhaustion. However, the TIM-3 pathway is highly complex in terms of non-canonical signaling, broad expression by different immune cells and multiple ligands. Different anti-TIM-3 inhibitors are currently on research, either as monotherapy or in combination with other immunotherapies or chemotherapy, aiming to overcome resistance.