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Devices and methods for pain management

  • US 6,541,021 B1
  • Filed: 03/10/2000
  • Issued: 04/01/2003
  • Est. Priority Date: 03/18/1999
  • Status: Expired due to Fees
First Claim
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1. A method of treating pain in a subject, the method comprising:

  • completely implanting in a subject, at an implantation site, a controlled release drug delivery device comprising a pump and a formulation, the formulation comprising a drug selected from the group consisting of fentanyl and a fentanyl congener, wherein the formulation comprises an amount of the drug sufficient for treatment of pain in the subject for a period of at least about 3 days, and wherein the implantation site is selected from the group consisting of a subcutaneous site, a subdermal site, an intramuscular site, an intra-adipose tissue site, and an intra-lymphatic site; and

    parenterally delivering the formulation from the drug delivery device to the subject whereby the drug enters the systemic circulation and is thereby transported to a site of action, whereby the drug is present at the site of action in an amount sufficient to treat pain.

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