A Randomized Phase 2 Study of VT-1161 for the Treatment of Acute Vulvovaginal Candidiasis.

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Brand SR, Sobel JD, Nyirjesy P, Ghannoum MA, Schotzinger RJ, Degenhardt TP

A Randomized Phase 2 Study of VT-1161 for the Treatment of Acute Vulvovaginal Candidiasis.

Clin Infect Dis. 2021 Oct 5;73(7):e1518-e1524. doi: 10.1093/cid/ciaa1204.

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32818963 [ View in PubMed
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Abstract

BACKGROUND: Acute vulvovaginal candidiasis (VVC) is common among women, but current azole antifungal treatments are often associated with safety and resistance issues. VT-1161 (oteseconazole) is an oral agent with increased selectivity for fungal CYP51. In this phase 2 clinical study, we evaluated the efficacy and safety of VT-1161 vs fluconazole in participants with moderate to severe acute VVC. METHODS: Participants presenting with an acute episode of VVC (n = 55) were randomized to receive VT-1161 300 mg once daily (q.d.) for 3 days, 600 mg q.d. for 3 days, or 600 mg twice daily (b.i.d.) for 3 days or to receive a single dose of fluconazole 150 mg (FDA-approved dose to treat acute VVC). Participants were followed for 6 months. The primary outcome was the proportion of participants with therapeutic (clinical and mycological) cure at day 28. RESULTS: A larger proportion of participants in the per-protocol population experienced therapeutic cure in the VT-1161 300 mg q.d. (75.0%), VT-1161 600 mg q.d. (85.7%), and VT-1161 600 mg b.i.d. (78.6%) groups vs the fluconazole group (62.5%); differences were not statistically significant. At 3 and 6 months, no participants in the VT-1161 groups vs 28.5% and 46.1% in the fluconazole group, respectively, had evidence of mycological recurrence. No serious adverse events or treatment-emergent adverse events leading to discontinuation were reported. CONCLUSIONS: The majority of participants across all treatment groups achieved therapeutic cure at day 28. VT-1161 was well tolerated at all dose levels through 6 months of follow-up. CLINICAL TRIALS REGISTRATION: NCT01891331.

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