Abstract
Penile cancer is a rare neoplasm with heterogeneous prevalence influenced by risk factors such as smoking, poor hygiene and human papillomavirus (HPV) infection. Southern Africa, South America and Southeast Asia have the highest incidence of this disease. Penile squamous cell carcinomas (PSCCs) account for the majority of instances of penile cancer, with HPV-related carcinogenesis implicated in up to half of them. Increases in PSCC incidence in industrialized nations parallel the rising high-risk HPV infection rates, particularly HPV-16. Early-stage, localized PSCC is often manageable, but treatment options in advanced disease remain limited, with poor survival outcomes. Emerging evidence suggests that HPV-positive PSCC might exhibit unique therapeutic responses, including increased sensitivity to radiotherapy and chemotherapy, as has been observed in HPV-driven head and neck squamous cell carcinoma. Results of studies in HPV-positive PSCC demonstrate improved responses to chemoradiotherapy and immunotherapy, underscoring the potential for tailored treatments and de-escalation. Additionally, incorporating immunotherapy with radiotherapy in HPV-driven PSCC might provide greater oncological benefits than standard chemotherapy. These observations suggest that treatment strategies for HPV-positive PSCC might benefit from de-escalated chemoradiotherapy regimens or immunotherapy incorporation, potentially optimizing efficacy while minimizing toxic effects. Furthermore, biomarkers such as tumour mutational burden, programmed cell death ligand 1 expression, and genetic alterations could be crucial for predicting treatment response. Comprehensive biomarker assessment and accurate HPV status determination are essential for developing patient-tailored therapeutic strategies. These data provide evidence of the potential benefits of individualized approaches based on tumour biology and biomarker profiles.
Key points
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Penile cancer is a rare but increasingly diagnosed neoplasm, particularly in regions with high human papillomavirus (HPV) prevalence, and it is substantially influenced by other risk factors such as smoking and poor hygiene.
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High-risk HPV types, especially HPV-16, are implicated in the majority of penile squamous cell carcinomas (PSCCs), with HPV-related carcinogenesis accounting for up to 50% of instances.
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Early stages of disease have favourable outcomes, but patients with advanced PSCC with nodal involvement, face limited treatment options and poor survival rates, necessitating innovative therapeutic approaches.
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Emerging evidence indicates that HPV-positive PSCC might respond more favourably to chemoradiotherapy and immunotherapy than HPV-negative tumours, suggesting the need for tailored treatment strategies.
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Comprehensive assessment of biomarkers such as tumour mutational burden and programmed cell death 1 ligand 1 expression is crucial for predicting treatment responses and developing personalized therapies for patients with PSCC.
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De-escalated chemoradiotherapy regimens and the incorporation of immunotherapy into treatment strategies for HPV-positive PSCCs are aimed at enhancing efficacy while reducing toxic effects.
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M.L. and G.B. researched data for the article. M.B. and M.L. contributed substantially to the discussion of the content. M.L., F.N. and G.B. wrote the article. M.B., C.D.F., A.S. and P.A.S.J. reviewed and/or edited the manuscript before submission.
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Glossary
- Advanced PSCC
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Extensive (T3–T4), regionally advanced (inguinal or pelvic lymph-node involvement) or metastatic (M1) penile squamous cell carcinoma (PSCC), requiring a multidisciplinary approach owing to its poor prognosis.
- Chemoradiotherapy
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A combined treatment approach using chemotherapy and radiation therapy, which might be more effective in patients with human papillomavirus (HPV)-positive disease than in those who are HPV negative.
- Human papillomavirus
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(HPV). A group of viruses, some of which are classified as high-risk owing to their potential to cause cancer, particularly penile squamous cell carcinoma.
- Immunotherapy
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A treatment strategy that harnesses the immune system to fight cancer, showing promise in human papillomavirus (HPV)-positive penile cancer cases.
- Penile squamous cell carcinoma
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(PSCC). The most common type of penile cancer, accounting for approximately 95% of instances, often linked to human papillomavirus (HPV) infection.
- Radiosensitivity
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The susceptibility of cancer cells to damage from radiation therapy, with human papillomavirus (HPV)-positive tumours often exhibiting higher radiosensitivity than their HPV-negative counterparts.
- Tumour mutational burden
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(TME). A measure of the number of mutations within the DNA of a tumour, which can influence the effectiveness of certain therapies, including immunotherapy.
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Longoni, M., Fankhauser, C.D., Negri, F. et al. Treatment strategies in human papillomavirus-related advanced penile cancer. Nat Rev Urol 22, 427–438 (2025). https://doi.org/10.1038/s41585-025-00994-z
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DOI: https://doi.org/10.1038/s41585-025-00994-z