Objective: We assessed the effectiveness of vaginal probiotic capsules for recurrent bacterial vaginosis (BV) prevention.
Study design: One hundred twenty healthy Chinese women with a history of recurrent BV were assigned randomly to daily vaginal prophylaxis with 1 capsule (Probaclac Vaginal; Nicar Laboratories, Inc, Blainville, Quebec, Canada) that contained 8 billion colony-forming units of Lactobacillus rhamnosus, L acidophilus, and Streptococcus thermophilus (n = 58 women) or 1 placebo capsule (n = 62 women) for 7 days on, 7 days off, and 7 days on.
Results: Probiotic prophylaxis resulted in lower recurrence rates for BV (15.8% [9/57 women] vs 45.0% [27/60 women]; P < .001) and Gardnerella vaginalis incidence through 2 months (3.5% [2/57 women] vs 18.3% [11/60 women]; P = .02). Between the 2- and 11-month follow-up period, women who received probiotics reported a lower incidence of BV and G vaginalis. Aside from vaginal discharge and malodor, no adverse events were reported in either study group.
Conclusion: Short-term probiotic prophylaxis is well tolerated and reduces BV recurrence and G vaginalis risk through 11 months after treatment.
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