Abuse deterrent compositions and methods of use

1. A plurality of particles having a particle size distribution (D50) of about 400 μm to about 600 μm comprising: an active layer comprising morphine or a salt thereof, and a first polymer selected from the group consisting of: quaternary ammonium acrylic or methacrylic polymers, acrylic or methacrylic ester copolymers or mixtures thereof; and a barrier layer comprising a second polymer selected from the group consisting of: polyacrylates or copolymers thereof wherein the active layer and barrier layer are bonded, wherein the first polymer and second polymer are the same, and wherein the particles are configured such that the amount of drug released from the plurality of particles is no greater than 500% of the amount of drug released an intact unit dosage form comprising the same amount (w/w) as the plurality of particles, under the following identical conditions: 30 mL of ethanol, 25° C., agitated at 100 rpm for a period of time, wherein the period of time is selected from the group consisting of 30 minutes and 240 minutes.

2. The plurality of particles of claim 1 , wherein the particles are configured such that the amount of drug released from the plurality of particles is about 100% to about 200% of the amount of drug released from an intact unit dosage form comprising the same amount (w/w) as the plurality of particles, under the following identical conditions: 30 mL of 5% ethanol, 25° C., agitated at 100 rpm for 30 minutes.

3. The plurality of particles of claim 1 , wherein the particles are configured such that the amount of drug released from the plurality of particles is about 100% to about 200% of the amount of drug released from an intact unit dosage form comprising the same amount (w/w) as the plurality of particles, under the following identical conditions: 30 mL of 40% ethanol, 25° C., agitated at 100 rpm for 30 minutes.

4. A pharmaceutical composition in unit dosage form comprising the plurality of particles of claim 1 .

5. The pharmaceutical composition of claim 4 , wherein the composition comprises a drug, a pH-dependent agent, and a pH-independent agent, wherein about 60% or more of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: 0.1 N HCl, 500 mL, USP Apparatus 2 (paddle), 50 rpm, 37° C.; and wherein about 25% or less of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: DI water, 500 mL, USP Apparatus 2 (Paddle), 50 rpm, 37° C.

6. The pharmaceutical composition of claim 4 , wherein the composition comprises a drug, a pH-dependent agent, and a pH-independent agent, wherein no more than 50% of the total amount of drug in the pharmaceutical composition is released within 1 hour and about 50% or more of the total amount of drug in the pharmaceutical composition is released after 8 hours under the following dissolution conditions: 0.1 N HCl, 500 mL, USP Apparatus 2 (paddle), 50 rpm, 37° C.; and wherein about 25% or less of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: DI water, 500 mL, USP Apparatus 2 (Paddle), 50 rpm, 37° C.

7. A plurality of particles having a particle size distribution (D50) of about 400 μm to about 600 μm and comprising: an active layer comprising morphine or a salt thereof, and a first polymer selected from the group consisting of: quaternary ammonium acrylic or methacrylic polymers, acrylic or methacrylic ester copolymers or mixtures thereof; and a barrier layer comprising a second polymer selected from the group consisting of: polyacrylates or copolymers thereof wherein the active layer and barrier layer are bonded, wherein the first polymer and second polymer are the same, and wherein the particles are configured such that the rate of drug released from the plurality of particles is no greater than 500% of the rate of drug released from an intact unit dosage form comprising the same amount (w/w) as the plurality of particles, under the following identical conditions: 30 mL of ethanol, 25° C., agitated at 100 rpm for a period of time, wherein the period of time is selected from the group consisting of 30 minutes and 240 minutes.

8. A pharmaceutical composition in unit dosage form comprising the plurality of particles of claim 7 .

9. The pharmaceutical composition of claim 8 , wherein the composition comprises a drug, a pH-dependent agent, and a pH-independent agent, wherein about 60% or more of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: 0.1 N HCl, 500 mL, USP Apparatus 2 (paddle), 50 rpm, 37° C.; and wherein about 25% or less of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: DI water, 500 mL, USP Apparatus 2 (Paddle), 50 rpm, 37° C.

10. The pharmaceutical composition of claim 8 , wherein the composition comprises a drug, a pH-dependent agent, and a pH-independent agent, wherein no more than 50% of the total amount of drug in the pharmaceutical composition is released within 1 hour and about 50% or more of the total amount of drug in the pharmaceutical composition is released after 8 hours under the following dissolution conditions: 0.1 N HCl, 500 mL, USP Apparatus 2 (paddle), 50 rpm, 37° C.; and wherein about 25% or less of the total amount of drug in the pharmaceutical composition is released after 60 minutes under the following dissolution conditions: DI water, 500 mL, USP Apparatus 2 (Paddle), 50 rpm, 37° C.

11. The plurality of particles of claim 1 , wherein the active layer comprises morphine sulfate pentahydrate.

12. The plurality of particles of claim 7 , wherein the active layer comprises morphine sulfate pentahydrate.