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The role of Lactobacillus casei rhamnosus Lcr35 in restoring the normal vaginal flora after antibiotic treatment of bacterial vaginosis
Author(s) -
Petricevic L,
Witt A
Publication year - 2008
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.2008.01882.x
Subject(s) - bacterial vaginosis , medicine , vaginal flora , lactobacillus rhamnosus , antibiotics , lactobacillus casei , population , probiotic , lactobacillus , gynecology , biology , microbiology and biotechnology , bacteria , environmental health , genetics
Objective To evaluate the efficacy of additional topical Lactobacillus casei rhamnosus (Lcr35) subsequent to antibiotic treatment of bacterial vaginosis (BV) to restore the normal vaginal flora. Study design Single‐centre, randomised, observerblinded study. Setting Population‐based study in Vienna over 1 year. Sample 190 women were enrolled in the study. Methods Women with Nugent scores between 7 and 10 on initial vaginal swab were randomised to the one of two groups. All women were treated with standard antibiotic therapy for 7 days. Only women in the intervention group received vaginal capsules containing 10 9 colony‐forming units of live Lcr35 for 7 days after antibiotic treatment. Final vaginal swabs for Nugent scoring were taken 4 weeks after the last administration of the study medication. Main outcome measures The primary efficacy variable was a change in the Nugent score between the baseline and the end of the study of at least 5 grades in each individual woman. Results Sixty‐nine of the 83 women (83%) in the intervention group and 31 of the 88 women (35%) in the control group showed a reduction of the Nugent score by at least 5 grades. The difference in the number of women with improvement was highly significant ( P < 0.001). The median difference in Nugent scores between initial and final swabs was 6.61 in the intervention group and 4.13 in the control group ( P < 0.001). Conclusion Our data show that the restoration of the vaginal flora after antibiotic treatment of BV can be significantly enhanced by exogenously applied lactobacilli.