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Methods for treating neuropsychiatric disorders

  • US 6,228,875 B1
  • Filed: 04/14/1999
  • Issued: 05/08/2001
  • Est. Priority Date: 04/14/1998
  • Status: Expired due to Term
First Claim
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1. A pharmaceutical composition comprising (i) at least one agonist of the glycine site of an NMDA receptor and (ii) a second therapeutic agent selected from the group consisting of antipsychotics, antidepressants, psychostimulants, and Alzheimer'"'"'s disease therapeutics, wherein:

  • the agonist is selected from the group consisting of D-alanine, a salt of D-alanine, an ester of D-alanine, alkylated D-alanine, a precursor of D-alanine, D-serine, a salt of D-serine, an ester of D-serine, alkylated D-serine, a precursor of D-serine, D-cycloserine, a salt of D-cycloserine, an ester of D-cycloserine, a precursor of D-cycloserine, and alkylated D-cycloserine; and

    the pharmaceutical composition is substantially free of D-cycloserine when the agonist is D-alanine, a salt of D-alanine, an ester of D-alanine, an alkylated D-alanine, or a precursor of D-alanine; and

    when the agonist is D-cycloserine, a salt of D-cycloserine, an ester of D-cycloserine, a precursor of D-cycloserine, or alkylated D-cycloserine, the pharmaceutical composition comprises an amount of the agonist equivalent to 105-500 mg of D-cycloserine.

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