controlled release systems release at least one pluribioactive antifungal drug exhibiting at least one additional bioactivity from the group consisting of spermiostatic , antineoplastic , antibacterial , antirestenotic and antiviral activities . the drug release system is designed for use as a spermiostatic contraceptive , intravaginal ringed - mesh which may also exhibit antiviral activity , an in situ - forming implant for treating different forms of cancer and topical film for treating or preventing bacterial and fungal infections .