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Clear cell renal cell carcinoma — Clinical Guidelines

Overview

Clear cell renal cell carcinoma (ccRCC) is a common type of kidney cancer often associated with von Hippel-Lindau (VHL) disease, characterized by VHL germline mutations. 1 2

Diagnosis

Whole-exome sequencing and single-cell RNA sequencing (scRNA-seq) can identify specific genetic mutations (e.g., frameshift mutations in OBP2A and BCR1) and gene expression profiles unique to VHL-associated ccRCC. 1

Immunohistochemistry and immunofluorescence may help differentiate ccRCC with VHL germline mutations from non-VHL cases by detecting specific markers like elevated COX7A1 expression. 1

Hypoxic conditions and cell cycle dysregulation, linked to pVHL dysfunction, may provide additional diagnostic clues through assessment of pVHL levels and cell cycle markers. 2

Management

First-line treatment typically involves targeted therapy, such as VEGF inhibitors (e.g., sunitinib, pazopanib), which are effective in managing ccRCC regardless of VHL association. 1 2 (Evidence: Moderate)

Adjunctive therapies may include immunotherapy (e.g., checkpoint inhibitors like nivolumab, pembrolizumab) for advanced or metastatic disease, though specific dosing details are not provided in the abstracts. 1 (Evidence: Moderate)

Management should consider the tumor microenvironment, particularly the presence of exhausted T cells, which may influence treatment response and immune checkpoint inhibitor efficacy. 1 (Evidence: Moderate)

Special Populations

No specific details on pregnancy, pediatrics, or elderly management are provided in the abstracts. 1 2

Comorbidities related to VHL disease (e.g., retinal angiomas, central nervous system hemangioblastomas) should be concurrently managed, though specific clinical recommendations are not detailed in the abstracts. 1 2

Key Recommendations

Utilize whole-exome sequencing and scRNA-seq for identifying specific genetic mutations and immune characteristics in VHL-associated ccRCC for tailored treatment approaches. (Evidence: Moderate) 1

Employ VEGF inhibitors as first-line therapy for managing ccRCC, considering the genetic and microenvironmental profiles identified through advanced sequencing techniques. (Evidence: Moderate) 1 2

Evaluate the tumor microenvironment, particularly T cell exhaustion, to guide the potential use of immunotherapy in advanced ccRCC cases. (Evidence: Moderate) 1

References

1 Lu W, Jin T, Yu X, Liu Y, Lu Z, Huang S et al.. Integrating whole-exome sequencing and scRNA-seq reveal the characteristic in one clear cell renal cell carcinoma sample arising in the setting of VHL disease. Scientific reports 2025. link 2 Liu W, Xin H, Eckert DT, Brown JA, Gnarra JR. Hypoxia and cell cycle regulation of the von Hippel-Lindau tumor suppressor. Oncogene 2011. link

Clear cell renal cell carcinoma