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Abstract

Background

Topical or systemic antiviral drugs reduce the duration of genital herpes recurrences but may not always alleviate functional symptoms.

Objectives

To assess the efficacy and safety of oxygenated glycerol triesters-based CS21 barrier genital gel® vs. topical aciclovir and placebo (vehicle) in resolving functional symptoms and in healing of genital herpes recurrences.

Methods

A prospective randomized controlled, investigator-blinded trial of CS21 barrier genital gel® vs. topical aciclovir (reference treatment) and placebo (vehicle) was designed. The primary endpoint was the cumulative score of four herpes-related functional symptoms (pain, burning, itching and tingling sensations). Secondary endpoints included objective skin changes (erythema, papules, vesicles, oedema, erosion/ulceration, crusts), time to heal, local tolerance and overall acceptability of the treatment as reported by a self-administered questionnaire.

Results

Overall, 61 patients were included. CS 21 barrier genital gel® was significantly more efficient than topical aciclovir and vehicle for subjective symptoms and pain relief in genital herpes recurrences; additionally, time to heal was significantly shorter with CS 21 than with vehicle, whereas no significantly difference was observed between patients receiving topical aciclovir and vehicle. The treatments under investigation were well tolerated and the adverse events were comparable in the three treatment groups.

Conclusion

Overall, these results support the interest of using of CS 21 barrier genital gel® in symptomatic genital herpes recurrences. Accordingly, this product offers a valuable alternative in topical management of recurrent genital herpes.