Medicaments including hyaluronic acid as a drug delivery system

Abstract From the Canadian patent

Novel medicaments for topical administration are provided herein. Such medicaments comprise a pharmaceutically-active substance or a mixture of pharmaceutically-active: substances which is or are, suitable for topical , administration with the proviso that the active substance is not an ophthalmic drug together , with, hyaluronic acid or a pharmaceutically-acceptable salt of the hyaluronic acid as the drug, delivery system, and from 0% up to a topically-suitable amount of an additional, excipient. Still further, optionally these medicaments may also contain an additional, pharmaceutically-acceptable excipient. The hyaluronic acid which typically , excludes, fractions of molecular weight …