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http://purl.uniprot.org/citations/37988928http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/37988928http://www.w3.org/2000/01/rdf-schema#comment"

Objective

There seems to be an association between the DRD4 48-bp VNTR polymorphisms and antipsychotic treatment response, but there is a rare reference to confirm this finding. Hence, the present study tried to investigate the association between DRD4 48-bp VNTR polymorphisms and the treatment response of antipsychotics in patients with schizophrenia in Taiwan, using a propensity score matching (PSM) method.

Methods

A total of 882 participants were enrolled in this study and completed informed consent, research questionnaires, including demographic information and the revised Chinese version Beliefs about Voices Questionnaire, and blood sampling. For descreasing of the selection bias and confounding variables, the PSM nearest neighbor matching method was used to select 765 paitents with schizophrenia (ratio of 1:8 between 85 persistent auditory hallucination and 680 controls) with matched and controlled the age and gender.

Results

Schizophrenia patients with DRD4 4 R homozygosity had a lower rate of good antipsychotic treatment response than the other DRD4 genotype carriers (DRD4 non-4/4). Among those 4 R homozygosity carriers, 60 cases of 503 (11.9%) retain persistent auditory hallucinations. Furthermore, this subgroup of patients is accounted for up to 70.6% of cases with poor neuroleptic treatment response.

Conclusions

A poor treatment outcome for patients with the 4 R homozygosity had presented,that comparing with those DRD non-4/4 genotype carriers. DRD4 VNTR 4 R homozygosity could be a genetic biomarker to predict poor antipsychotic treatment response in schizophrenia. Patients with DRD 4/4 probably receive novel antipsychotic medications preferentially or in combination with alternative therapy, such as psychotherapy or milieu therapy."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.org/dc/terms/identifier"doi:10.1016/j.ajp.2023.103831"xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/author"Yang H.M."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/author"Yang M.C."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/author"Lung F.W."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/author"Lung H."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/date"2024"xsd:gYear
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/name"Asian J Psychiatr"xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/pages"103831"xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/title"DRD4 VNTR 4/4 homozygosity as a genetic biomarker for treatment selection in patients with schizophrenia."xsd:string
http://purl.uniprot.org/citations/37988928http://purl.uniprot.org/core/volume"91"xsd:string
http://purl.uniprot.org/citations/37988928http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/37988928
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