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Sulfoalkyl ether cyclodextrin based controlled release solid pharmaceutical formulations

  • US 6,046,177 A
  • Filed: 01/13/1999
  • Issued: 04/04/2000
  • Est. Priority Date: 05/05/1997
  • Status: Expired due to Term
First Claim
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1. A controlled release solid pharmaceutical formulation consisting of a core comprising a first composition comprising a physical mixture of:

  • a therapeutic agent;

    at least one sulfoalkyl ether cyclodextrin; and

    at least one release rate modifier;

    wherein,a major portion of the therapeutic agent is not complexed with the sulfoalkyl ether cyclodextrin; and

    the therapeutic agent of the first composition is released from the core at a controlled rate in the absence of a release rate modifying coat surrounding the core.

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