Journal
SEXUALLY TRANSMITTED DISEASES
Volume 37, Issue 12, Pages 745-750Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/OLQ.0b013e3181e50026
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Funding
- Oscl Inc
- National Center for Research Resources (NCRR)
- National Institutes of Health (NIH) [UL1 RR024131-01]
- Doris Duke Charitable Foundation, UCSF
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Background: Bacterial vaginosis (BV) is a common vaginal infection caused by a lack of endogenous lactobacilli and overgrowth of pathogens that frequently recurs following antibiotic treatment. Methods: A phase 2a study assessed colonization efficiency, safety, tolerability, and acceptability of Lactobacillus crispatus CTV-05 (LACTIN-V) administered by a vaginal applicator. Twenty-four women with BV were randomized in a 3: 1 ratio of active product to placebo. Participants used LACTIN-V at 2 x 10(9) colony-forming units (cfu)/dose or placebo for 5 initial consecutive days, followed by a weekly application over 2 weeks. They returned for follow-up on Days 10 and 28. Results: Sixty-one percent of the 18 women randomized to the LACTIN-V group were colonized with L. crispatus CTV-05 at Day 10 or Day 28. Among LACTIN-V users with complete adherence to the study regimen, 78% were colonized at Day 10 or Day 28. Of the 120 adverse events (AEs) that occurred, 108 (90%) and 12 (10%) were of mild and moderate severity, respectively. AEs were evenly distributed between the LACTIN-V and placebo group. Of the total AEs, 93 (78%) were genitourinary in origin. The most common genitourinary AEs included vaginal discharge (46%), abdominal pain (46%), dysuria (21%), pollakiuria (21%), vaginal odor (21%), and genital pruritus (17%). No grade 3 or 4 AEs or serious AEs occurred and no deep epithelial disruption was seen during colposcopic evaluation. The product was well tolerated and accepted. Conclusions: LACTIN-V colonized well, and was safe and acceptable in women treated for BV.
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