Related Experiment Video
Updated: Apr 20, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
Published on: July 17, 2019
[Mechanisms of resistance to anti-BRAF treatments]
J Charles1, C Martel2, F de Fraipont3
1Centre de recherche Inserm/UJF U823, institut Albert-Bonniot, BP 170, 38042 Grenoble cedex 9, France; Dermatologie, CHU de Grenoble, CS 10217, 38043 Grenoble cedex 9, France.
Context:
In patients with melanoma positive for the BRAF V600 mutation, clinical response to specific BRAF inhibitors is usually rapid and striking, with significant benefits in terms of progression-free survival and overall survival. However, resistance to treatment almost invariably arises, typically within a median timeframe of 6 months. Indeed, very few patients exhibit long-lasting response to these targeted therapies.
Aims:
It is essential to better understand the mechanisms of resistance to targeted anti-BRAF therapies in order to increase both response rates and the duration of clinical response to treatment. This literature review describes the signaling pathways involving BRAF and presents recent data from clinical trials with these molecules. Furthermore, we aim to describe the main resistance mechanisms linked with targeted anti-BRAF therapies.
Methods:
The keywords (resistance, BRAF, melanoma, targeted therapy, vemurafenib, and dabrafenib) were used to extract relevant articles in the Medline/Pubmed database published before 31 January 2014.
Discussion:
Improved knowledge and understanding of the mechanisms of resistance to targeted anti-BRAF therapies should enable the development of new therapeutic strategies in order to overcome such resistance and allow more significant and sustained response rates to be achieved among melanoma patients.
Insights
Targeted BRAF inhibitors offer initial melanoma treatment benefits but resistance develops quickly. Understanding these resistance mechanisms is key to improving long-term patient outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- BRAF V600 mutation-positive melanoma patients show rapid response to targeted BRAF inhibitors.
- Treatment benefits include improved progression-free and overall survival.
- However, resistance to these therapies typically emerges within six months, limiting long-term efficacy.
Purpose of the Study:
- To elucidate resistance mechanisms against targeted anti-BRAF therapies in melanoma.
- To review BRAF signaling pathways and clinical trial data.
- To identify strategies for overcoming treatment resistance and improving patient response duration.
Main Methods:
- Literature review of articles published before January 31, 2014.
- Keywords used: resistance, BRAF, melanoma, targeted therapy, vemurafenib, dabrafenib.
- Database searched: Medline/Pubmed.
Main Results:
- BRAF inhibitors induce initial clinical responses in melanoma.
- Resistance mechanisms are a significant factor limiting sustained therapeutic effects.
- Understanding these mechanisms is crucial for future treatment development.
Conclusions:
- Enhanced understanding of resistance mechanisms is vital for developing novel therapeutic strategies.
- Overcoming resistance can lead to more significant and sustained response rates in melanoma patients.
- Further research into resistance pathways will improve targeted therapy efficacy.
More Related Videos
06:44Author Spotlight: Integrating BRET-Based Assays and Rare Mutation Analysis to Decipher RAF Kinase Regulation in Live Cells
Published on: March 1, 2024
08:18Analysis of Lymph Node Volume by Ultra-High-Frequency Ultrasound Imaging in the Braf/Pten Genetically Engineered Mouse Model of Melanoma
Published on: September 8, 2021
Related Concept Videos
Treatment Resistant Cancers
Targeted Cancer Therapies
There are several types of targeted therapies against...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
mTOR Signaling and Cancer Progression
Adaptive Mechanisms in Cancer Cells
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...