TAMPER RESISTANT IMMEDIATE RELEASE FORMULATIONS

摘要

Disclosed in certain embodiments is an oral dosage form comprising a plurality of particles, each particle comprising (i) a core comprising a gelling agent; (ii) an optional barrier layer encompassing the core; (iii) an active layer comprising a drug susceptible to abuse encompassing the core or barrier layer; and (iv) an optional controlled release excipient; wherein the dosage form provides an immediate or controlled release; and wherein the viscosity of the dosage form mixed with from about 0.5 to about 10 ml of an aqueous liquid is unsuitable for parenteral or nasal administration.