Journal of drugs in dermatology : JDD · 2018
A Phase 2 Controlled Study of SB206, a Topical Nitric Oxide-Releasing Drug for Extragenital Wart Treatment.
Клиническое исследование II фазыСтатьяМногоцентровое исследованиеРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Tyring Stephen K, Rosen Theodore, Berman Brian, Stasko Nathan, Durham Todd, Maeda-Chubachi Tomoko
Аннотация
BACKGROUND: Nitric oxide (NO), a free radical gas, is endogenously produced in human cells. In high concentration, NO neutralizes many disease-causing microbes. The topical investigational drug SB206 releases NO and has the potential to treat skin diseases caused by viruses. Genital warts (condyloma acuminata) are primarily caused by human papillomavirus (HPV) types 6 and 11. Available treatments have low tolerability and efficacy rates and are inconvenient for the patient. Genital warts can recur if HPV is incompletely eradicated during treatment.
OBJECTIVE: Topical SB206 (berdazimer sodium plus carboxymethyl cellulose hydrogel) was assessed for tolerability, safety, and efficacy for up to12 weeks in patients with external genital and/or perianal warts (EGW/PAW) in a phase 2, double-blind, randomized, dose-escalation study.
METHODS: Patients (N=108) were randomly assigned to SB206 or vehicle in a 3:1 ratio: SB206 4% once (QD) or twice daily (BID), 8% QD, 12% QD, or corresponding vehicle. Treatment duration was up to 84 days. The primary efficacy endpoint was complete clearance of baseline EGW/PAW at or before week 12. Pearson's Chi Square tests compared the efficacy of active vs vehicle treatments. Safety was assessed through adverse event and tolerability reports, physical examination findings, and clinical laboratory test results.
RESULTS: In the Intent-to-Treat population, the percentage of patients with complete clearance of baseline EGW/PAW at or before week 12 was higher for SB206 groups than for vehicle groups, with the greatest difference between SB206 12% QD (33.3%; P=0.010) and vehicle QD (4.3%).
CONCLUSION: Berdazimer sodium (SB206) plus hydrogel was efficacious and well tolerated in the treatment of EGW/PAW. J Drugs Dermatol. 2018;17(10):1100-1105.
OBJECTIVE: Topical SB206 (berdazimer sodium plus carboxymethyl cellulose hydrogel) was assessed for tolerability, safety, and efficacy for up to12 weeks in patients with external genital and/or perianal warts (EGW/PAW) in a phase 2, double-blind, randomized, dose-escalation study.
METHODS: Patients (N=108) were randomly assigned to SB206 or vehicle in a 3:1 ratio: SB206 4% once (QD) or twice daily (BID), 8% QD, 12% QD, or corresponding vehicle. Treatment duration was up to 84 days. The primary efficacy endpoint was complete clearance of baseline EGW/PAW at or before week 12. Pearson's Chi Square tests compared the efficacy of active vs vehicle treatments. Safety was assessed through adverse event and tolerability reports, physical examination findings, and clinical laboratory test results.
RESULTS: In the Intent-to-Treat population, the percentage of patients with complete clearance of baseline EGW/PAW at or before week 12 was higher for SB206 groups than for vehicle groups, with the greatest difference between SB206 12% QD (33.3%; P=0.010) and vehicle QD (4.3%).
CONCLUSION: Berdazimer sodium (SB206) plus hydrogel was efficacious and well tolerated in the treatment of EGW/PAW. J Drugs Dermatol. 2018;17(10):1100-1105.