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J Biol Regul Homeost Agents. 2013 Jul-Sep;27(3):875-82.

Prophylactic strategies in recurrent vulvovaginal candidiasis: a 2-year study testing a phytonutrient vs itraconazole.

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ReGenera Research Group for Intervention in Aging, Milano, Italy.


The aim of the present study was to assess the clinical efficacy of a one week/month treatment with a phytocompound with antimycotic properties (K-712, with following 100 mg composition: 10 mg of oleoresin from Pseudowintera colorata at 30 percent concentration in Polygodial together with trace amounts of Olea europea) in recurrent vulvo-vaginal candidiasis (RVVC), as compared to once a week treatment with an azole drug for 24 months follow up. This prospective randomized study involving 122 women (19 to 63 years old) with a history of proven episodes of RVVC in the prior 12 months. Patients were allocated in two treatment groups of 61 patients each and given A) Itraconazole 200 mg orally once a week or B) 1 tab twice a day of K-712 for one week/month. Each treatment schedule was well tolerated with 19 patients in the azole group complaining of transient mild symptoms (nausea, abdominal discomfort, unpleasant taste), while only 3 patients on K-712 reported slight dyspepsia. The number of relapses was significantly lower in the K-712-treated group as compared to the itraconazole-group (22 vs 39, p less than 0.05). Moreover, the former group showed a significantly decreased number of cases resistant or dose-dependent susceptible as compared to group A (p less than 0.05 vs itraconazole) and the same occurred for the occurrence of non-albicans species (group A 64.1 percent vs group B 31.8 percent, p less than 0.05). The overall mycological cure at the end of the 2-year study showed a comparable benefit between the two groups. From these data it appears that the present antifungal phytonutrient is equally effective as itraconazole in the overall treatment of RVVC over a 2-year follow-up, but yielding a significantly better prophylactic effect and also maintenance benefit with lower relapse rate, antifungal susceptibility and growth of azole-resistant species.

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