Journal
PHARMACEUTICAL PATENT ANALYST
Volume 2, Issue 1, Pages 93-108Publisher
FUTURE SCI LTD
DOI: 10.4155/PPA.12.82
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- Johnson Johnson Inc.
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The mGlu(5), a class C G-protein-coupled receptor and member of the group I mGlu receptor family, has been demonstrated to play a role in a number of therapeutic areas within the CNS, including schizophrenia, dementia, epilepsy, cognition, drug abuse, and fragile X syndrome. Small-molecule modulation of mGlu(5) via positive allosteric modulators (PAMs) is being pursued as a promising approach for the treatment of schizophrenia and has been validated preclinically in a number of animal models. This article provides a brief historical overview of mGlu(5) PAMs in the primary literature followed by a comprehensive overview of the patent literature since 2004. Schizophrenia is a complex disorder and although no mGlu(5) PAMs have progressed into clinical trials in patients, the target continues to show promise as an attractive non-dopaminergic therapy. The successful development of mGlu(5) PAMs for clinical testing must address several issues, including challenges associated with 'molecular switches', allosteric-agonist activity and stimulus bias.
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