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The prognostic significance of HPV, p16, and p53 protein expression in vaginal cancer: A systematic review

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  • Christina L Rasmussen
  • Hanna K Bertoli
  • Freja L Sand
  • Alexander K Kjaer
  • Louise T Thomsen
  • Susanne K Kjaer
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INTRODUCTION: Human papillomavirus (HPV), p16, and p53 have been investigated as prognostic markers in various HPV-related cancers. Within the field of vaginal cancer, however, the evidence remains sparse. In this systematic review, we have compiled the presently published studies on the prognostic significance of HPV and immunohistochemical expression of p16 and p53 among women with vaginal cancer.

MATERIAL AND METHODS: We conducted a systematic search of PubMed, Embase, and Cochrane Library to identify relevant studies published until April 2021. We included studies reporting survival after histologically verified vaginal cancers tested for HPV, p16, and/or p53. Survival outcomes included overall survival, disease-free survival, disease-specific survival, and progression-free survival.

RESULTS: We included a total of 12 studies. The vast majority of vaginal cancer cases included in each study were squamous cell carcinomas (84%-100%). Seven studies reported survival after vaginal cancer according to HPV status, and the majority of these studies found a tendency towards improved survival for women with HPV-positive vaginal cancer. Three out of four studies reporting survival according to p16 status found an improved survival among women with p16-positive vaginal cancer. For p53, only one of six studies reported an association between p53 expression and survival.

CONCLUSIONS: This systematic review suggests that women with HPV- and p16-positive vaginal cancer have an improved prognosis compared with those with HPV- or p16-negative vaginal cancer. Results for p53 were varied, and no conclusion could be reached. Only 12 studies could be included in the review, of which most were based on small populations. Hence, further and larger studies on the prognostic impact of HPV, p16, and p53 in vaginal cancer are warranted.

Original languageEnglish
JournalActa Obstetricia et Gynecologica Scandinavica
Volume100
Issue number12
Pages (from-to)2144-2156
Number of pages13
ISSN0001-6349
DOIs
Publication statusPublished - Dec 2021

Bibliographical note

© 2021 The Authors. Acta Obstetricia et Gynecologica Scandinavica published by John Wiley & Sons Ltd on behalf of Nordic Federation of Societies of Obstetrics and Gynecology (NFOG).

    Research areas

  • Alphapapillomavirus/isolation & purification, Carcinoma, Squamous Cell/metabolism, Cyclin-Dependent Kinase Inhibitor p16/metabolism, Disease-Free Survival, Female, Humans, Prognosis, Tumor Suppressor Protein p53/metabolism, Vaginal Neoplasms/metabolism, survival, prognosis, p53, vaginal cancer, p16, human papillomavirus

ID: 73986769