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High-resolution genotyping of Chlamydia trachomatis from recurrent urogenital infections.

ABSTRACT: A method for Chlamydia trachomatis restriction fragment length polymorphism (RFLP) analysis and complete sequencing of omp1 was developed for use on samples collected at home, and results were compared. Genotyping by sequencing was superior to RFLP analysis. The omp1 gene in 31 clinical strains harbored few mutations compared to the same gene in ATCC reference strains. Follow-up samples obtained during a 24-week period from 31 patients showed recurrence with the same genotype in five cases and a new genotype in one case.

SUBMITTER: Pedersen LN

PROVIDER: S-EPMC87186 | biostudies-literature | 2000 Aug

REPOSITORIES: biostudies-literature

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High-resolution genotyping of Chlamydia trachomatis from recurrent urogenital infections.

Pedersen L N LN Kjaer H O HO Møller J K JK Orntoft T F TF Ostergaard L L

Journal of clinical microbiology 20000801 8

A method for Chlamydia trachomatis restriction fragment length polymorphism (RFLP) analysis and complete sequencing of omp1 was developed for use on samples collected at home, and results were compared. Genotyping by sequencing was superior to RFLP analysis. The omp1 gene in 31 clinical strains harbored few mutations compared to the same gene in ATCC reference strains. Follow-up samples obtained during a 24-week period from 31 patients showed recurrence with the same genotype in five cases and a ...[more]

PMID: 10921979

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Project description:ObjectivesTo review the literature for non-standard treatment options for uncomplicated Chlamydia trachomatis (CT) infections in adolescents and adults.DesignSystematic review.Data sourcesOvid MEDLINE/PubMed, Ovid EMBASE, Cochrane Trials & Systematic Review Databases, CINAHL Plus with Full Text, Web of Science Core Collection, Scopus, ProQuest Dissertations & Theses Global, ClinicalTrials.gov and Health Canada Trials Database were searched for studies in English or French from 1 January 2006 to 6 August 2017. Keywords included CT, anti-infective or anti-bacterial agents, therapy/pharmacotherapy/management.Review methodsIncluded were primary research studies. Outcome measures included clinical or microbiological cure, treatment failure and adverse events. We followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Studies were assessed for risk of bias using the Revised Cochrane Risk of Bias V.2.0 tool for randomised and the Newcastle-Ottawa Quality Assessment Scale for non-randomised studies.Funding sourcePublic Health Agency of Canada.ResultsOf the 6899 records identified through the database search, 11 studies were included. One randomised controlled trial reported that delayed release doxycycline was non-inferior to azithromycin. Two studies examined higher doses of azithromycin but reported no additional benefit. One study looked at a 5-day azithromycin treatment regimen and reported a high cure rate. Two studies reported efficacy of sitafloxacin, and a single study supports the use of levofloxacin. Two phase 2 studies reported efficacy of single-dose rifalazil in both men and women. Only one retrospective study was identified that examined treatment in pregnant women and reported that efficacy with single-dose azithromycin exceeded that of amoxicillin and erythromycin. A single study examining the efficacy of a beta-lactam antibiotic was stopped early due to high treatment failures.ConclusionsThe paucity of existing data highlights the need for further adequately powered studies to evaluate rifalazil, delayed release doxycycline, levofloxacin and other agents for the treatment of uncomplicated CT infections.Prospero registration numberCRD42017073096.

Dataset Information

High-resolution genotyping of Chlamydia trachomatis from recurrent urogenital infections.

Publications

High-resolution genotyping of Chlamydia trachomatis from recurrent urogenital infections.

Similar Datasets

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