Cited by 2,156Melanoma and MAPK PathwaysCutaneous Melanoma Detection and ManagementColorectal Cancer Treatments and Studies

Survival in BRAF V600-mutant advanced melanoma treated with vemurafenib

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Sosman, Jeffrey A., Kim, Kevin B., Schuchter, Lynn, Gonzalez, Rene, Pavlick, Anna C., Weber, Jeffrey S., McArthur, Grant A., Hutson, Thomas E. +17 more·2012·New England Journal of Medicine

Abstract

BACKGROUND: Approximately 50% of melanomas harbor activating (V600) mutations in the serine-threonine protein kinase B-RAF (BRAF). The oral BRAF inhibitor vemurafenib (PLX4032) frequently produced tumor regressions in patients with BRAF V600-mutant metastatic melanoma in a phase 1 trial and improved overall survival in a phase 3 trial. METHODS: We designed a multicenter phase 2 trial of vemurafenib in patients with previously treated BRAF V600-mutant metastatic melanoma to investigate the efficacy of vemurafenib with respect to overall response rate (percentage of treated patients with a tumor response), duration of response, and overall survival. The primary end point was the overall response rate as ascertained by the independent review committee; overall survival was a secondary end point. RESULTS: A total of 132 patients had a median follow-up of 12.9 months (range, 0.6 to 20.1). The confirmed overall response rate was 53% (95% confidence interval [CI], 44 to 62; 6% with a complete response and 47% with a partial response), the median duration of response was 6.7 months (95% CI, 5.6 to 8.6), and the median progression-free survival was 6.8 months (95% CI, 5.6 to 8.1). Primary progression was observed in only 14% of patients. Some patients had a response after receiving vemurafenib for more than 6 months. The median overall survival was 15.9 months (95% CI, 11.6 to 18.3). The most common adverse events were grade 1 or 2 arthralgia, rash, photosensitivity, fatigue, and alopecia. Cutaneous squamous-cell carcinomas (the majority, keratoacanthoma type) were diagnosed in 26% of patients. CONCLUSIONS: Vemurafenib induces clinical responses in more than half of patients with previously treated BRAF V600-mutant metastatic melanoma. In this study with a long follow-up, the median overall survival was approximately 16 months. (Funded by Hoffmann-La Roche; ClinicalTrials.gov number, NCT00949702.).

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  • BRAF inhibitors led to a monotherapy response rate of >50% in BRAFV600E melanoma and ~30% in BRAFV600E NSCLC, but only ~5% in BRAFV600E colorectal cancer, likely due to the variable robustness of adaptive feedback networks in each tumor type.

    “For instance, BRAF inhibitors led to a monotherapy response rate of >50% in BRAFV600E melanoma and ~30% in BRAFV600E NSCLC, but only ~5% in BRAFV600E colorectal cancer, likely due to the variable robustness of adaptive feedback networks in each tumor type (45–49).”

    From Vertical Pathway Inhibition Overcomes Adaptive Feedback Resistance to KRASG12C Inhibition (2020) · cites this paper as [45]

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Authors
Sosman, J. A., Kim, K. B., Schuchter, L., Gonzalez, R., Pavlick, A. C., Weber, J. S., McArthur, G. A., Hutson, T. E., Moschos, S. J., Flaherty, K. T., Hersey, P., Kefford, R., Lawrence, D., Puzanov, I., Lewis, K. D., Amaravadi, R. K., Chmielowski, B., Lawrence, H. J., Shyr, Y., Ye, F., Li, J., Nolop, K. B., Lee, R. J., Joe, A. K., & Ribas, A.
Affiliations
  • Vanderbilt University (US)
  • The University of Texas MD Anderson Cancer Center (US)
  • Abramson Cancer Center (US)
  • University of Colorado Denver (US)
  • New York University (US)
  • Moffitt Cancer Center (US)
  • Peter MacCallum Cancer Centre (AU)
  • University of Pittsburgh (US)
  • Massachusetts General Hospital (US)
  • University of Newcastle Australia (AU)
  • Melanoma Institute Australia (AU)
  • Vanderbilt-Ingram Cancer Center (US)
  • University of California, Los Angeles (US)
  • Vanderbilt University Medical Center (US)
  • Plexxikon (United States) (US)
Venue
New England Journal of Medicine
Published
2012-02-23
Volume
366
Issue
8
Pages
707-714
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2168143310
Cited by
2,156
References
36
Citations by year
2026: 19 · 2025: 29 · 2024: 56 · 2023: 85 · 2022: 113 · 2021: 88 · 2020: 110 · 2019: 109 · 2018: 132 · 2017: 171 · 2016: 198 · 2015: 258 · 2014: 318 · 2013: 306 · 2012: 160
FWCI
133.95
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Figshare (submittedVersion)
  • NOVA (University of Newcastle Australia) (submittedVersion)
Funders
National Cancer Institute (K24CA097588, P30CA076292)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
  • Health Sciences › Medicine › Oncology › Cutaneous Melanoma Detection and Management
  • Health Sciences › Medicine › Oncology › Colorectal Cancer Treatments and Studies
Keywords
vemurafenib, BRAF V600 mutation, metastatic melanoma, BRAF inhibitors, overall survival, overall response rate, duration of response, progression-free survival, cutaneous squamous cell carcinoma, keratoacanthoma, adverse events
MeSH terms
Vemurafenib, Adult, Aged, Female, Humans, Indoles, Male, Melanoma, Middle Aged, Mutation, Neoplasm Metastasis, Sulfonamides, Treatment Outcome, Disease Progression, Proto-Oncogene Proteins B-raf, Kaplan-Meier Estimate

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