Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2019
Safety and Efficacy of a Novel Vaginal Anti-infective, TOL-463, in the Treatment of Bacterial Vaginosis and Vulvovaginal Candidiasis: A Randomized, Single-blind, Phase 2, Controlled Trial.
Клиническое исследование II фазыСтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Marrazzo Jeanne M, Dombrowski Julia C, Wierzbicki Michael R, Perlowski Charlotte, Pontius Angela, Dithmer Dwyn, Schwebke Jane
Аннотация
BACKGROUND: Bacterial vaginosis (BV) and vulvovaginal candidiasis (VVC) present serious reproductive health risks and management challenges, with poor control attributed to survival of treatment-resistant biofilm communities. Boric acid is used in various regimens for non-albicans VVC and recurrent BV. We investigated safety and efficacy of a novel boric acid-based vaginal anti-infective with enhanced antibiofilm activity (TOL-463) in treating BV and VVC.
METHODS: In this phase 2 randomized, investigator-blinded trial conducted at 2 sexual health clinics, women with BV or VVC were randomly assigned (1:1) to 7 nights of TOL-463 vaginal gel or insert. The primary test of cure (TOC) was clinical cure at day 9-12; safety was assessed at TOC and day 21-30.
RESULTS: One hundred six participants (53 with BV, 36 VVC, 17 both) were enrolled; most were African American (69%). Clinical cure rate of BV at TOC was 59% (95% confidence interval [CI], 41%-75%) for TOL-463 insert and 50% (95% CI, 31%-69%) for TOL-463 gel, and for VVC, 92% (95% CI, 67%-99%) for TOL-463 insert and 81% (95% CI, 57%-93%) for TOL-463 gel. Both products were safe and well tolerated with no secondary cases of VVC; vulvovaginal burning was the most common adverse event (9.6%).
CONCLUSIONS: TOL-463, especially in vaginal insert form, is effective and safe in treating BV and VVC. Future studies should assess the potential role of TOL-463 as a biofilm disrupter in enhancing likelihood of cure relative to approved therapies, reducing recurrence rates, and combined with traditional antimicrobials.
CLINICAL TRIALS REGISTRATION: NCT02866227.
METHODS: In this phase 2 randomized, investigator-blinded trial conducted at 2 sexual health clinics, women with BV or VVC were randomly assigned (1:1) to 7 nights of TOL-463 vaginal gel or insert. The primary test of cure (TOC) was clinical cure at day 9-12; safety was assessed at TOC and day 21-30.
RESULTS: One hundred six participants (53 with BV, 36 VVC, 17 both) were enrolled; most were African American (69%). Clinical cure rate of BV at TOC was 59% (95% confidence interval [CI], 41%-75%) for TOL-463 insert and 50% (95% CI, 31%-69%) for TOL-463 gel, and for VVC, 92% (95% CI, 67%-99%) for TOL-463 insert and 81% (95% CI, 57%-93%) for TOL-463 gel. Both products were safe and well tolerated with no secondary cases of VVC; vulvovaginal burning was the most common adverse event (9.6%).
CONCLUSIONS: TOL-463, especially in vaginal insert form, is effective and safe in treating BV and VVC. Future studies should assess the potential role of TOL-463 as a biofilm disrupter in enhancing likelihood of cure relative to approved therapies, reducing recurrence rates, and combined with traditional antimicrobials.
CLINICAL TRIALS REGISTRATION: NCT02866227.