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Lessons Learned from Checkpoint Blockade Targeting PD-1 in Multiple Myeloma.


ABSTRACT: Immune checkpoints and agonists modulate ongoing, antigen-specific immune responses. Therapeutic blockade of CTLA-4, PD-1, and PD-L1 has proven to be an effective treatment approach for a subset of patients with a variety of cancers of epithelial, mesenchymal, or hematologic origin. In multiple myeloma, a B-cell lymphoid malignancy of terminally differentiated plasma cells, PD-1 pathway blockade is ineffective as a single agent. The initial promise in combination approaches utilizing anti-PD-1 with the immunomodulatory drugs, lenalidomide or pomalidomide, was not confirmed in randomized trials. Here, we explore available data for and against manipulation of the PD-1 pathway and other immune checkpoints in myeloma and highlight several promising concepts and challenges that face ongoing development of immunotherapeutics for this disease.

SUBMITTER: Lesokhin AM 

PROVIDER: S-EPMC6891823 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Lessons Learned from Checkpoint Blockade Targeting PD-1 in Multiple Myeloma.

Lesokhin Alexander M AM   Bal Susan S   Badros Ashraf Z AZ  

Cancer immunology research 20190801 8


Immune checkpoints and agonists modulate ongoing, antigen-specific immune responses. Therapeutic blockade of CTLA-4, PD-1, and PD-L1 has proven to be an effective treatment approach for a subset of patients with a variety of cancers of epithelial, mesenchymal, or hematologic origin. In multiple myeloma, a B-cell lymphoid malignancy of terminally differentiated plasma cells, PD-1 pathway blockade is ineffective as a single agent. The initial promise in combination approaches utilizing anti-PD-1 w  ...[more]

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