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Association of Multiple Genetic Polymorphisms With Clozapine-Associated Metabolic Change in Schizophrenia

Cross-Sectional Study of the Association Between Multiple Genetic Polymorphisms and the Metabolic Side Effects in Patients With Schizophrenia Taking Clozapine More Than 1 Year

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00717509
Enrollment
150
Registered
2008-07-17
Start date
2007-10-31
Completion date
2009-10-31
Last updated
2009-06-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Genetic Polymorphism, Metabolic Syndrome, Schizophrenia

Keywords

schizophrenia, metabolic side effect, clozapine, genetic polymorphism

Brief summary

We are going to investigate the association of multiple genetic polymorphisms with the metabolic side effects in patients with schizophrenia taking clozapine.

Detailed description

The use of antipsychotics, especially clozapine and olanzapine is associated with metabolic side effects, which put patients with schizophrenia at risk for cardiovascular morbidity or diabetes. The prevalence of the metabolic syndrome was 53.8% of patients who taking clozapine. The high interindividual variability in antipsychotic-induced metabolic abnormalities suggests that genetic makeup is a possible determinant. The genotypes of the multiple gene such as HTR2C, LEP, adrenergic receptor,PPAR,GNB3 are suggested to have associations with the metabolic side effects (weight,glucose,lipid,BP,metabolic syndrome) in patients using antipsychotics. We are going to investigate whether those multiple genetic polymorphisms are associated with the metabolic side effects in patients taking clozapine.

Interventions

None listed

Sponsors

Seoul National Hospital
Lead SponsorOTHER_GOV

Study design

Observational model
COHORT
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* age 18-65 * who can understand and sign the informed consent

Exclusion criteria

* who refuse to participate this study

Design outcomes

Primary

MeasureTime frame
The associations between multiplegenetic polymorphisms (HTR2C,leptin,adrenergic receptor,PPAR,GNB3) and the metabolic side effects (weight,glucose,lipid,BP,metabolic syndrome)more than 1 year after starting clozapine

Countries

South Korea

Contacts

Primary ContactShi Hyun Kang, M.D.
drshe@hanmail.net82-2-2204-0326

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026