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BIOMARKER:

BRAF wild-type

i
Other names: BRAF, B-raf proto-oncogene, B-raf proto-oncogene, Serine/threonine kinase, V-Raf murine sarcoma viral oncogene homolog B, Serine/threonine-protein kinase B-Raf, Proto-oncogene B-Raf, BRAF1, RAFB1, B-raf proto-oncogene Serine/threonine-protein kinase, Murine sarcoma viral (V-Raf) oncogene homolog B1, B-raf serine/threonine-protein, 94 KDa B-raf protein, B-RAF1
Entrez ID:
3d
HER-2 gene alterations as biomarker in patients with metastatic colorectal cancer treated with FOLFIRI + cetuximab: findings from the CAPRI-2 GOIM study. (PubMed, ESMO Gastrointest Oncol)
Of note, 6/7 cases with HER-2 mutations exhibited limited benefit from treatment with FOLFIRI plus cetuximab with PFS inferior to 8 months. Taken together, these results highlight the need to test HER-2 gene alterations for patients with RAS/BRAF V600 WT, MSS mCRC, who are candidates for anti-epidermal growth factor receptor therapies.
Journal
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HER-2 (Human epidermal growth factor receptor 2) • BRAF (B-raf proto-oncogene)
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HER-2 positive • HER-2 overexpression • BRAF mutation • HER-2 amplification • HER-2 negative • BRAF V600 • HER-2 mutation • BRAF wild-type • HER-2 positive + HER-2 overexpression
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FoundationOne® CDx
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Erbitux (cetuximab) • 5-fluorouracil • irinotecan • leucovorin calcium
3d
New trial • Real-world evidence • Circulating tumor DNA
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BRAF (B-raf proto-oncogene) • RAS (Rat Sarcoma Virus)
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BRAF wild-type
4d
Durable response of anaplastic thyroid cancer to pembrolizumab combined with chemotherapy: A case report. (PubMed, Hum Vaccin Immunother)
The patient was thereafter treated with a combination of pembrolizumab, nab-paclitaxel and carboplatin, resulting in a sustained near-complete response lasting over 30 months, accompanied by a manageable safety profile. The favorable response in this case suggests that further evaluation of this triplet regimen could be considered for anaplastic thyroid cancer, though this remains a speculative premise requiring validation. Further studies are also needed to clarify the underlying mechanisms of this combination and to identify predictive biomarkers for patient selection.
Journal • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • BRAF (B-raf proto-oncogene)
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PD-L1 expression • BRAF V600E • BRAF V600 • BRAF wild-type
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Keytruda (pembrolizumab) • carboplatin • albumin-bound paclitaxel
6d
STRATEGIC-1: multiple-line, randomized, open-label GERCOR-PRODIGE-39 phase III trial in unresectable RAS/BRAF wild-type metastatic colorectal cancer. (PubMed, Signal Transduct Target Ther)
Patients were randomized (1:1) to FOLFIRI-cetuximab then mFOLFOX6-bevacizumab (arm A) or OPTIMOX-bevacizumab then FOLFIRI-bevacizumab followed by EGFR monoclonal antibody +/- irinotecan (arm B)...Adverse events were consistent with the well-known safety profiles. STRATEGIC-1 did not meet its primary endpoint and was inconclusive in identifying the optimal treatment strategy in wild-type RAS/BRAFV600E mCRC.
Clinical • P3 data • Journal
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BRAF (B-raf proto-oncogene) • RAS (Rat Sarcoma Virus)
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BRAF V600E • BRAF V600 • BRAF wild-type • RAS wild-type • BRAF V600 wild-type
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Avastin (bevacizumab) • Erbitux (cetuximab) • 5-fluorouracil • oxaliplatin • irinotecan • leucovorin calcium
7d
Clinical Study of MSH2-/- Tumor Cell Vaccines for Advanced pMMR Colorectal Cancer Patients (clinicaltrials.gov)
P1, N=9, Recruiting, West China Hospital | Not yet recruiting --> Recruiting
Enrollment open • pMMR
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BRAF (B-raf proto-oncogene)
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BRAF V600E • BRAF V600 • BRAF wild-type
12d
Efficacy of Ipilimumab and Nivolumab Rechallenge in a Long-Term Melanoma Survivor: A Case Report. (PubMed, Am J Case Rep)
The patient was rechallenged with standard-dose IPINIVO (3: 1 mg/kg iplimumab: nivolumab) and achieved excellent clinical response despite multiple treatment-delaying toxicities: grade 2 cytokine release syndrome after cycle 1 and grade 2 pneumonitis and grade 3 colitis after cycle 2, managed with high-dose prednisone. CONCLUSIONS There are limited data on the benefit and safety of IPINIVO with rechallenge in patients who achieved initial PFS longer than 2 years, warranting further research in populations with resistant disease. Long-term safety data from rechallenge responders are needed.
Journal
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BRAF (B-raf proto-oncogene)
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BRAF wild-type
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Opdivo (nivolumab) • Yervoy (ipilimumab) • prednisone
12d
ESPERANZA: External Control Arm Study for T-DXd for Patients With HER2 IHC3+ Solid Tumors (clinicaltrials.gov)
P=N/A, N=140, Completed, AstraZeneca | Recruiting --> Completed | N=105 --> 140
Trial completion • Enrollment change
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EGFR (Epidermal growth factor receptor) • HER-2 (Human epidermal growth factor receptor 2) • BRAF (B-raf proto-oncogene) • TMB (Tumor Mutational Burden)
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MSI-H/dMMR • BRAF mutation • HER-2 expression • BRAF wild-type • RAS wild-type • HER-2 positive + RAS wild-type
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Enhertu (fam-trastuzumab deruxtecan-nxki)
17d
New P1 trial • pMMR
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BRAF (B-raf proto-oncogene)
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BRAF V600E • BRAF V600 • BRAF wild-type
20d
A Case of Metastatic Melanoma Refractory to Immunotherapy: Is Cytotoxic Chemotherapy Still an Effective Option? (PubMed, Cureus)
Interestingly, some of these patients may derive meaningful benefit from cytotoxic chemotherapy. We present the report of a case of a 63-year-old lady with BRAF wild type, locally advanced mucosal melanoma who demonstrated disease progression on combination immunotherapy with Ipilimumab and nivolumab. She subsequently achieved an exceptional and durable radiological and clinical response to chemotherapy with cisplatin and dacarbazine. This case highlights that, despite advances in personalized medicine and immunotherapy, conventional chemotherapy may still represent a valuable therapeutic option in selected patients, particularly in the refractory setting.
Journal
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BRAF (B-raf proto-oncogene)
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BRAF wild-type
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Opdivo (nivolumab) • cisplatin • Yervoy (ipilimumab) • dacarbazine
24d
Upregulation of miR-4286 and miR-146a-5p in Metastatic Melanoma, Revealed by Multiplex Expression Analysis. (PubMed, Curr Issues Mol Biol)
This study demonstrates significant alterations in the miRNA expression profile in metastatic melanoma and highlights the potential of miR-146a-5p and miR-4286 as key regulators of tumor biology.
Journal • IO biomarker
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BRAF (B-raf proto-oncogene)
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BRAF V600E • BRAF V600 • BRAF wild-type
24d
Molecular Targeting of EGFR, BRAF, and HER2 Signaling in Colorectal Cancer: Contemporary Advances with Panitumumab, Encorafenib, and Tucatinib. (PubMed, J Clin Med)
Trastuzumab-based combinations and HER2-selective tyrosine kinase inhibitors such as tucatinib have demonstrated durable responses and favorable safety profiles in heavily pretreated patients. This review summarizes current evidence from pivotal phase II and III clinical trials, translational studies, and real-world data evaluating EGFR-, BRAF-, and HER2-directed therapies in colorectal cancer. Particular emphasis is placed on biomarker-guided patient selection, mechanisms of resistance, and emerging combination strategies that continue to refine precision oncology approaches in mCRC.
Clinical • Review • Journal
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HER-2 (Human epidermal growth factor receptor 2) • BRAF (B-raf proto-oncogene)
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BRAF V600E • HER-2 amplification • BRAF V600 • BRAF wild-type
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Herceptin (trastuzumab) • Vectibix (panitumumab) • Braftovi (encorafenib) • Tukysa (tucatinib)
24d
GIM531-CT01: Safety and Tolerability Study of GIM-531 in Advanced Solid Tumors (clinicaltrials.gov)
P1/2, N=117, Recruiting, Georgiamune Inc | Trial completion date: Nov 2026 --> Nov 2027 | Trial primary completion date: Dec 2025 --> Dec 2026
Trial completion date • Trial primary completion date • IO biomarker • First-in-human
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BRAF (B-raf proto-oncogene)
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BRAF mutation • BRAF V600 • BRAF wild-type