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Adverse events associated with encorafenib plus binimetinib in the COLUMBUS study: incidence, course and management

. 2019 Sep ; 119 () : 97-106. [epub] 20190819

Language English Country Great Britain, England Media print-electronic

Document type Clinical Trial, Phase III, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't

Links

PubMed 31437754
DOI 10.1016/j.ejca.2019.07.016
PII: S0959-8049(19)30424-1
Knihovny.cz E-resources

BACKGROUND: Dual inhibition of the mitogen-activated protein kinase pathway with BRAF/MEK inhibitor (BRAFi/MEKi) therapy is a standard treatment for BRAFV600-mutant metastatic melanoma and has historically been associated with grade III pyrexia or photosensitivity depending on the combination used. The objective of this study was to fully describe adverse events from the COLUMBUS study evaluating the most recent BRAF/MEK inhibitor combination encorafenib+binimetinib. PATIENTS AND METHODS: Patients with locally advanced, unresectable or metastatic BRAFV600-mutant melanoma were randomised to receive encorafenib 450 mg once daily plus binimetinib 45 mg twice daily, encorafenib 300 mg once daily or vemurafenib 960 mg twice daily. Adverse events that represent known effects of available BRAFi and/or MEKi were evaluated. RESULTS: The safety population included a total of 570 patients (encorafenib+binimetinib = 192; encorafenib = 192; vemurafenib = 186). Median duration of exposure was longer with encorafenib+binimetinib (51 weeks) than with encorafenib (31 weeks) or vemurafenib (27 weeks). Common BRAFi/MEKi toxicities with encorafenib+binimetinib were generally manageable, reversible and infrequently associated with discontinuation. Pyrexia was less frequent with encorafenib+binimetinib (18%) and encorafenib (16%) than with vemurafenib (30%) and occurred later in the course of therapy with encorafenib+binimetinib (median time to first onset: 85 days versus 2.5 days and 19 days, respectively). The incidence of photosensitivity was lower with encorafenib+binimetinib (5%) and encorafenib (4%) than with vemurafenib (30%). The incidence of serous retinopathy was higher with encorafenib+binimetinib (20%) than with encorafenib (2%) or vemurafenib (2%), but no patients discontinued encorafenib+binimetinib because of this event. CONCLUSION: Encorafenib+binimetinib is generally well tolerated and has a low discontinuation rate in patients with BRAFV600-mutant melanoma, with a distinct safety profile as compared with other anti-BRAF/MEK targeted therapies. TRIAL REGISTRATION: ClinicalTrials.gov (Identifier: NCT01909453) and with EudraCT (number 2013-001176-38).

Array BioPharma Inc Boulder CO USA

Cancer Center Massachusetts General Hospital Boston MA USA

Department of Dermato oncology University Hospital Prague and Charles University 1st Medical Faculty Prague Czech Republic

Department of Dermatologic Oncology National Cancer Center Hospital Tokyo Japan

Department of Dermatology and Allergy Skin Cancer Center Hannover Hannover Medical School Hannover Germany

Department of Dermatology National Institute of Oncology Budapest Hungary

Department of Dermatology University Hospital Essen Essen Germany and German Cancer Consortium Heidelberg Germany

Department of Dermatology University Hospital Tuebingen Tuebingen Germany

Department of Dermatology University Hospital Zürich Skin Cancer Center and University Zürich Zürich Switzerland

Department of Dermatology University Medical Center Mainz Mainz Germany

Department of Internal Medicine National and Kapodistrian University of Athens Laikon Hospital Athens Greece

Department of Medical Oncology Hospital Clinic of Barcelona Barcelona Spain

Department of Medical Oncology Isala Zwolle Netherlands

Department of Oncologic Dermatology Centre Hospitalier Universitaire de Bordeaux Hôpital Saint André Bordeaux France

Department of Oncology and Haematology Papa Giovanni XXIII Cancer Center Hospital Bergamo Italy

Melanoma Cancer Unit Oncology Institute of Veneto IRCCS Padua Italy

Melanoma Unit Cancer Immunotherapy and Innovative Therapies Istituto Nazionale Tumori IRCCS Fondazione Pascale Naples Italy

Service of Dermatology Department of Medicine and Paris Sud University Gustave Roussy Villejuif France

References provided by Crossref.org

See more in PubMed

ClinicalTrials.gov
NCT01909453

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