The present invention is directed to a method of preparing an extended release pharmaceutical composition comprising cyclobenzaprine, comprising coating inert particles with a cyclobenzaprine-containing a drug layering composition to form IR beads, then coating the IR beads with an extended-release coating to form ER beads.本發明係關於一種製備包含環苯紮平(cyclobenzaprine)之延長釋放醫藥組合物之方法,其包括用含有環苯紮平之藥物層化組合物塗布惰性粒子,以形成IR珠粒,接著用延長釋放塗層塗布該等IR珠粒,形成ER珠粒。