Abstract:
:A whole genome association study was performed in a phase 3 clinical trial conducted to evaluate a novel antipsychotic, iloperidone, administered to treat patients with schizophrenia. Genotypes of 407 patients were analyzed for 334,563 single nucleotide polymorphisms (SNPs). SNPs associated with iloperidone efficacy were identified within the neuronal PAS domain protein 3 gene (NPAS3), close to a translocation breakpoint site previously observed in a family with schizophrenia. Five other loci were identified that include the XK, Kell blood group complex subunit-related family, member 4 gene (XKR4), the tenascin-R gene (TNR), the glutamate receptor, inotropic, AMPA 4 gene (GRIA4), the glial cell line-derived neurotrophic factor receptor-alpha2 gene (GFRA2), and the NUDT9P1 pseudogene located in the chromosomal region of the serotonin receptor 7 gene (HTR7). The study of these polymorphisms and genes may lead to a better understanding of the etiology of schizophrenia and of its treatment. These results provide new insight into response to iloperidone, developed with the ultimate goal of directing therapy to patients with the highest benefit-to-risk ratio.
journal_name
Mol Psychiatryjournal_title
Molecular psychiatryauthors
Lavedan C,Licamele L,Volpi S,Hamilton J,Heaton C,Mack K,Lannan R,Thompson A,Wolfgang CD,Polymeropoulos MHdoi
10.1038/mp.2008.56subject
Has Abstractpub_date
2009-08-01 00:00:00pages
804-19issue
8eissn
1359-4184issn
1476-5578pii
mp200856journal_volume
14pub_type
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