ANVAENDNING AV NYA BIONEDBRYTBARA INJECERBARA MIKROSFAERER, FOERFARANDE FOER FRAMSTAELLNING AV DESSA NYA INJICERBARA SUSPENSIONER INNEHAALLANDE DEM

摘要

Biodegradable microspheres contain a lactic acid and glycolic acid copolymer and an anti-oestrogen or anti-progestomimetic steroid. The microspheres can be formulated with an aqueous or oily vehicle to form an injectable suspension useful as a medicament. With such a medicament the release period of active ingredient can be from about 1 to about 3 months.