The present invention in general relates to a pharmaceutical dosage form comprising a multi-layered release formulation formed by co-extrusion. Said formulation in particular comprises a core layer comprising at least one polymer selected from polycaprolactone, ethylcellulose, or combinations thereof； and a coat layer comprising at least one (co)polymer selected from the list comprising: polyethylene oxide； polyethylene glycol； Basic Butylated Methacrylate (co)polymer； a (co)polymer of polyvinylcaprolactam, PEG and polyvinylacetate； or combinations thereof.
