Abstract
Recent studies have demonstrated that, besides direct cytotoxic effects, poly(ADP ribose) polymerase (PARP) inhibitors (PARPis) exhibit antitumor immunity that occurs in a stimulator of interferon genes (STING)-dependent manner and is augmented by immune checkpoint blockade (CPB). In ovarian cancer, combined PARP and immune checkpoint inhibition has yielded encouraging preliminary results in two early-phase clinical trials and is currently being evaluated in both first-line and recurrent settings.
Keywords:
PARP inhibitor; PD-1 inhibitor; STING pathway; checkpoint blockade; immunotherapy; ovarian cancer.
Copyright © 2019 Elsevier Inc. All rights reserved.
MeSH terms
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Antineoplastic Agents, Immunological / pharmacology*
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Antineoplastic Agents, Immunological / therapeutic use
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Antineoplastic Combined Chemotherapy Protocols / pharmacology*
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Antineoplastic Combined Chemotherapy Protocols / therapeutic use
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B7-H1 Antigen / antagonists & inhibitors
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B7-H1 Antigen / immunology
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Clinical Trials as Topic
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Drug Synergism
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Female
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Humans
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Membrane Proteins / immunology
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Membrane Proteins / metabolism
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Ovarian Neoplasms / drug therapy*
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Ovarian Neoplasms / immunology
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Ovarian Neoplasms / pathology
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Poly (ADP-Ribose) Polymerase-1 / antagonists & inhibitors
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Poly (ADP-Ribose) Polymerase-1 / metabolism
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Poly(ADP-ribose) Polymerase Inhibitors / pharmacology*
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Poly(ADP-ribose) Polymerase Inhibitors / therapeutic use
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Programmed Cell Death 1 Receptor / antagonists & inhibitors
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Programmed Cell Death 1 Receptor / immunology
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Signal Transduction / drug effects
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Signal Transduction / immunology
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Treatment Outcome
Substances
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Antineoplastic Agents, Immunological
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B7-H1 Antigen
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CD274 protein, human
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Membrane Proteins
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PDCD1 protein, human
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Poly(ADP-ribose) Polymerase Inhibitors
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Programmed Cell Death 1 Receptor
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STING1 protein, human
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PARP1 protein, human
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Poly (ADP-Ribose) Polymerase-1