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Human papillomavirus (HPV) types 16 and 18 infection and esophageal squamous cell carcinoma: a systematic review and meta-analysis

  • Review – Clinical Oncology
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Abstract

Objective

The human papillomavirus (HPV) is implicated in the pathogenesis of several cancers among humans. The role of HPV as one of the etiological agents in esophageal carcinogenesis is partially unknown. We assessed whether the available evidence supports the association of HPV with risk and prognosis in patients with esophageal squamous cell carcinomas (ESCCs).

Design

For this systematic review and meta-analysis, PubMed, Embase, Cochrane Library, and SCOPUS were searched up to February 2021. The included studies were prospective or retrospective studies that evaluated the incidence, risk, and prognosis of HPV-16/18–related ESCCs in adult subjects. The primary outcome was the incidence rate of ESCC in HPV-16/18 carriers. Secondary outcomes included the risk of ESCCs compared with healthy HPV-16/18 carriers (expressed as odds ratios [ORs] with 95% confidence intervals [CIs]) and the survival of HPV + versus HPV- ESCCs.

Results

The search identified 1649 unique citations, of which 145 met the inclusion criteria and were included in the pooled analysis (16,484 patients). The pooled HPV prevalence in ESCCs was 18.2% (95% CI 15.2–21.6%; P < 0.001). A significantly increased ESCC risk was associated with HPV infection (OR = 3.81; 95% CI 2.84–5.11; P < 0.001). Main limitation were methods of HPV detection (DNA only), race of populations included (mainly Asiatic countries) and lack of adjustment for other prognostic factors.

Conclusions

The findings suggest that HPV-16/18 is detectable in about 1 on 5 cases of ESCC with different prevalences across the world. It is moderately but significantly associated with a diagnosis of ESCC. Further epidemiological studies are needed to confirm and increase the current knowledge of the subject.

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Correspondence to Fausto Petrelli.

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Petrelli, F., De Santi, G., Rampulla, V. et al. Human papillomavirus (HPV) types 16 and 18 infection and esophageal squamous cell carcinoma: a systematic review and meta-analysis. J Cancer Res Clin Oncol 147, 3011–3023 (2021). https://doi.org/10.1007/s00432-021-03738-9

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  • DOI: https://doi.org/10.1007/s00432-021-03738-9

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