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Combined BRAF and MEK Inhibition versus BRAF Inhibition Alone in Melanoma

Open access
Long, Georgina V., Stroyakovskiy, Daniil, Gogas, Helen, Levchenko, Evgeny, de Braud, Filippo, Larkin, James, Garbe, Claus, Jouary, Thomas, Hauschild, Axel, Grob, Jean Jacques, Chiarion Sileni, Vanna, Lebbe, Celeste, Mandalà, Mario, Millward, Michael, Arance, Ana, Bondarenko, Igor, Haanen, John B.A.G., Hansson, Johan, Utikal, Jochen, Ferraresi, Virginia, Kovalenko, Nadezhda, Mohr, Peter, Probachai, Volodymyr, Schadendorf, Dirk, Nathan, Paul, Robert, Caroline, Ribas, Antoni, DeMarini, Douglas J., Irani, Jhangir G., Casey, Michelle, Ouellet, Daniele, Martin, Anne-Marie, Le, Ngocdiep, Patel, Kiran, Flaherty, Keith·2014·New England Journal of Medicine

Abstract

BACKGROUND: Combined BRAF and MEK inhibition, as compared with BRAF inhibition alone, delays the emergence of resistance and reduces toxic effects in patients who have melanoma with BRAF V600E or V600K mutations. METHODS: In this phase 3 trial, we randomly assigned 423 previously untreated patients who had unresectable stage IIIC or stage IV melanoma with a BRAF V600E or V600K mutation to receive a combination of dabrafenib (150 mg orally twice daily) and trametinib (2 mg orally once daily) or dabrafenib and placebo. The primary end point was progression-free survival. Secondary end points included overall survival, response rate, response duration, and safety. A preplanned interim overall survival analysis was conducted. RESULTS: The median progression-free survival was 9.3 months in the dabrafenib-trametinib group and 8.8 months in the dabrafenib-only group (hazard ratio for progression or death in the dabrafenib-trametinib group, 0.75; 95% confidence interval [CI], 0.57 to 0.99; P=0.03). The overall response rate was 67% in the dabrafenib-trametinib group and 51% in the dabrafenib-only group (P=0.002). At 6 months, the interim overall survival rate was 93% with dabrafenib-trametinib and 85% with dabrafenib alone (hazard ratio for death, 0.63; 95% CI, 0.42 to 0.94; P=0.02). However, a specified efficacy-stopping boundary (two-sided P=0.00028) was not crossed. Rates of adverse events were similar in the two groups, although more dose modifications occurred in the dabrafenib-trametinib group. The rate of cutaneous squamous-cell carcinoma was lower in the dabrafenib-trametinib group than in the dabrafenib-only group (2% vs. 9%), whereas pyrexia occurred in more patients (51% vs. 28%) and was more often severe (grade 3, 6% vs. 2%) in the dabrafenib-trametinib group. CONCLUSIONS: A combination of dabrafenib and trametinib, as compared with dabrafenib alone, improved the rate of progression-free survival in previously untreated patients who had metastatic melanoma with BRAF V600E or V600K mutations. (Funded by GlaxoSmithKline; Clinical Trials.gov number, NCT01584648.).

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Metadata

Authors
Long, G. V., Stroyakovskiy, D., Gogas, H., Levchenko, E., de Braud, F., Larkin, J., Garbe, C., Jouary, T., Hauschild, A., Grob, J. J., Chiarion Sileni, V., Lebbe, C., Mandalà, M., Millward, M., Arance, A., Bondarenko, I., Haanen, J. B. A. G., Hansson, J., Utikal, J., Ferraresi, V., Kovalenko, N., Mohr, P., Probachai, V., Schadendorf, D., Nathan, P., Robert, C., Ribas, A., DeMarini, D. J., Irani, J. G., Casey, M., Ouellet, D., Martin, A.-M., Le, N., Patel, K., & Flaherty, K.
Venue
New England Journal of Medicine
Published
2014-11-13
Volume
371
Issue
20
Pages
1877-1888
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2096387850
Cited by
1,899
References
8
FWCI
80.07
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Combined BRAF and MEK Inhibition versus BRAF Inhibition Alone in Melanoma. https://app.cochat.ai/papers/10.1056/nejmoa1406037
The paper
Long, G. V., Stroyakovskiy, D., Gogas, H., Levchenko, E., de Braud, F., Larkin, J., Garbe, C., Jouary, T., Hauschild, A., Grob, J. J., Chiarion Sileni, V., Lebbe, C., Mandalà, M., Millward, M., Arance, A., Bondarenko, I., Haanen, J. B. A. G., Hansson, J., Utikal, J., . . . Flaherty, K. (2014). Combined BRAF and MEK Inhibition versus BRAF Inhibition Alone in Melanoma. New England Journal of Medicine. https://doi.org/10.1056/nejmoa1406037

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.