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Tamper-resistant dosage form containing one or more particles

  • US 10,154,966 B2
  • Filed: 05/27/2014
  • Issued: 12/18/2018
  • Est. Priority Date: 05/29/2013
  • Status: Expired due to Fees
First Claim
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1. A tamper-resistant pharmaceutical dosage form for oral administration, said pharmaceutical dosage form being a capsule comprising:

  • (a) one or more prolonged release particles, wherein each of said one or more particles;

    (i) comprises a pharmacologically active ingredient selected from the group consisting of stimulants;

    (ii) comprises a physiologically acceptable polymer selected from the group consisting of acrylic polymers and polyalkylene oxides, wherein the physiologically acceptable polymer has a weight average molecular weight of at least 200,000 g/mol, wherein the physiologically acceptable polymer is present in a content of at least 30 wt.-% relative to a total weight of the one or more particles, and wherein the pharmacologically active ingredient is embedded in a matrix comprising the physiologically acceptable polymer;

    (iii) has a breaking strength of at least 300 N;

    (iv) has a weight of at least 100 mg; and

    (v) optionally comprises a film-coating; and

    (b) one or more additional particles having a weight of less than 2 mg;

    wherein the pharmaceutical dosage form has a total weight greater than a combined weight of the particles (a) and (b);

    wherein the pharmaceutical dosage form contains no aversive agent and contains no antagonist; and

    wherein the pharmaceutical composition can be chewed without significantly deteriorating tamper-resistance and without significantly altering drug release.

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