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Journal Articles Current Opinion in Oncology Year : 2020

Mitogen-activated protein kinase blockade in melanoma

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Abstract

Purpose of review: Although targeted therapy provides a high response rate and rapid disease control in advanced melanoma, most patients experience disease progression due to acquired resistance mechanisms leading to reactivation of mitogen-activated protein kinase pathway. The purpose of this article is to review the recently published data on the impact of an intermittent versus continuous dosing schedule of BRAF and MEK inhibition in advanced melanoma to determine the best approach in clinical practice. Recent findings: Some preclinical studies have highlighted the concept that drug-resistant cells may also display drug dependency, such that intermittent dosing of targeted therapy may prevent the emergence of lethal drug resistance. Moreover, clinical observations have suggested that repeated treatment after a break or an intervening therapy may provide clinical benefit. However, recent preclinical and clinical studies have also failed to demonstrate an advantage of intermittent dosing and showed a similar efficacy of the intermittent versus continuous regimens of BRAF and MEK inhibitors in mice models and phase 2 clinical trial. Summary: Owing to these discordant results, continuous dosing of BRAF and MEK inhibitors remains the optimal therapeutic approach until additional clinical data demonstrate the superiority of another combination or dosing regimen.
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Dates and versions

inserm-03094922 , version 1 (04-01-2021)

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Pauline Tétu, Laetitia Vercellino, Coralie Reger de Moura, Barouyr Baroudjian, Nicolas Dumaz, et al.. Mitogen-activated protein kinase blockade in melanoma. Current Opinion in Oncology, 2020, Online ahead of print. ⟨10.1097/CCO.0000000000000706⟩. ⟨inserm-03094922⟩
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