Cervicovaginal Microbiome after Cervical Intraepithelial Neoplasia Treatment. A Protocol for Systematic Review and Meta-Analysis

(1) Background: The microbiome consists of microorganisms from various kingdoms with numerous physical and chemical properties Lactobacillus species constitute the highest percentage of healthy cervical and vaginal microbiota. Dysbiosis may cause adverse outcomes, e.g., bacterial vaginosis, pelvic inflammatory disease and pregnancy complications. The cervicovaginal microbiome might contribute to the development of a persistent HPV infection-the main risk factor of cervical cancer-and influence progression to malignancy The aim is to perform a systematic review of current literature and a meta-analysis regarding microbiome changes after cervical intraepithelial neoplasia treatment. (2) Methods: We will search PubMed, Scopus, Google Scholar and Embase Database and trace citations in the reference sections. Randomized and non-randomized controlled studies, case-control and cohort studies published between January 2000 and May 2021 will be included in the study protocol. The following keywords will be used: 'microbiome', 'vaginal microbiome', 'cervical microbiome', 'cervical neoplasia treatment', 'conization', 'electroconization', and 'electrosurgical treatment'. Statistical analyses will be performed using RevMan 5.4. (3) Results: The results will be published as a peer-reviewed article. (4) Conclusions: The study will show which forms of intraepithelial neoplasia treatment change the cervicovaginal microbiome. Finding the best form of treatment by studying the cervicovaginal microbiome after various forms of treatment is essential. Patients would benefit not only from the treatment of the initial disease but also the management of dysbiosis, which might underlie other pathologies

Bacterial vaginosis · Bioinformatics · Biology · Cancer · Cervical cancer · Cervical intraepithelial neoplasia · Disease · Dysbiosis · Gynecology · Meta-analysis · Microbiome · Obstetrics · Randomized controlled trial · Vaginal flora · Cervical Cancer and HPV Research · Medicine · Pelvic floor disorders treatments · Reproductive tract infections research · Internal Medicine

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  Open Access•Matthew J Page, Joanne E McKenzie et al.•BMJ•2021

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