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Controlled release hydrocodone formulations

  • US 8,975,273 B2
  • Filed: 09/11/2014
  • Issued: 03/10/2015
  • Est. Priority Date: 10/29/1999
  • Status: Expired due to Fees
First Claim
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1. A solid oral controlled-release dosage form, the dosage form comprising a compressed tablet comprisinga plurality of multiparticulates collectively consisting essentially of from about 5 mg to about 60 mg of hydrocodone or a pharmaceutically acceptable salt thereof, hydroxypropylmethyl cellulose and ethylcellulose,each multiparticulate individually coated with a coating consisting of (i) ethylcellulose, (ii) a wax and (iii) optional plasticizer(s),said dosage form, after a first administration to a human patient, provides a C12/Cmax hydrocodone ratio of 0.55 to 0.85 and a therapeutic effect for about 12 hours.

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