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Naurex Initiates Phase II Clinical Trial of Novel Antidepressant GLYX-13 in Treatment-Resistant Depression

Wed, 06/22/2011 - 5:33am
Bio-Medicine.Org

EVANSTON, Ill., June 22, 2011 /PRNewswire/ -- Naurex Inc., a clinical-stage company developing innovative treatments to address unmet needs in psychiatry and neurology, today announced that it has initiated a Phase II clinical trial of its lead compound GLYX-13.  GLYX-13, a Glycine-site Functional Partial Agonist (GFPA) selective modulator of the NMDA receptor (NMDAR), is initially being developed as a therapy for patients who are not achieving an adequate response to their current antidepressant agents.  Screening and enrollment of subjects in the Phase II study are currently underway.

Naurex's novel GFPA class of compounds has demonstrated the potential to achieve the well-documented efficacy of classic NMDAR-modulating drugs while avoiding their serious side effects.  Known NMDAR-modulating agents such as ketamine have been shown to act very rapidly -- within hours of a single dose -- to alleviate the symptoms of depression and bipolar disorder in a number of human clinical trials, but their clinical utility has been hampered by their potential for abuse and behavioral impairment, including schizophrenia-like effects at doses near the therapeutic dose.

The GLYX-13 Phase II trial is a randomized, double-blind, placebo-controlled study of the efficacy and safety of GLYX-13 in treatment-resistant depression.  The trial is intended to enroll 80 subjects with major depressive disorder who have demonstrated inadequate or partial response to other antidepressants.  Outcome measures include ratings of signs, symptoms, and changes in depression scores on standard rating scales for mood and psychiatric disorders.  Safety is also being assessed.

"GLYX-13 is the first in a new class of antidepressants designed to achieve the rapid onset and breakthrough efficacy of classic NMDAR modulators, but without their prohibitive side effects," said Ronald Burch, M.D., Ph.D., chief medical officer at Naurex.  "T

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