Efficacy and safety of Lactobacillus plantarum P 17630 strain soft vaginal capsule in vaginal candidiasis: a randomized non-inferiority clinical trial

C. Bertarello, D. Savio, L. Morelli, S. Bouzalov, D. Davidova, A. Bonetti

Proge Medica S.r.l., Novara, Italy. abonetti@progemedica.it

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• Gynecology

OBJECTIVE: To investigate the non-inferiority of efficacy and tolerability of Lactobacillus plantarum P 17630 soft vaginal capsules compared to the antifungal therapy with miconazole nitrate 400 mg soft vaginal capsules in patients with symptomatic vulvovaginal infection due to Candida.

PATIENTS AND METHODS: Adult women with vulvovaginal candidiasis were randomized to either L. plantarum P17630 100,000,000 CFU soft vaginal capsules by vaginal route each day for 3 or 6 consecutive days or miconazole nitrate 400 mg soft vaginal capsule. Visual Analog Scale (VAS) scores for vaginitis symptoms were used, and vaginal fluid interleukin 6 (IL6) was dosed. The study was registered in EudraCT database (code LPP17630-C-018; number: 2018-003095-12).

RESULTS: 200 patients were included in the study. The mean VAS scores for vaginitis symptoms were progressively reduced in both treatment groups at each visit, without significant difference between groups (p>0.05 for each symptom, at each time point). The efficacy of L. plantarum and the reference medicinal product was maintained at follow-up (day 21). The mean concentration of IL-6 decreased from visit 1 to visit 3 in both groups without a significant difference (p>0.05). No adverse events were reported.

CONCLUSIONS: L. plantarum P17630 100,000,000 CFU soft vaginal capsules are effective and safe for treating vaginal candidiasis without the concomitant use of an antifungal product, which rules out the risk of antimicrobic resistance. The long-term effect on vaginal microflora may add the possibility of reducing the risk of recurrences.

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