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Hydromorphone therapy

  • US 5,529,787 A
  • Filed: 07/07/1994
  • Issued: 06/25/1996
  • Est. Priority Date: 07/07/1994
  • Status: Expired due to Term
First Claim
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1. A therapeutic composition for the relief of pain comprising 1 to 1000 mg of hydromorphone, 25 to 500 mg of a carboxymethylcellulose possessing a 10,000 to 300,000 molecular weight, 1 to 50 mg of a poly(vinylpyrrolidone) having a 10,000 to 300,000 molecular weight and 0 to 7.5 mg of a lubricant, which therapeutic composition is encased with a semipermeable wall with a passageway through the semipermeable composition.

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