Association of clozapine-induced weight gain with a polymorphism in the leptin promoter region in patients with chronic schizophrenia in a Chinese population.

Abstract:

:Weight gain is a problem commonly encountered with antipsychotic treatment and has become more apparent with increasing use of the newer atypical antipsychotics. The adipocyte-derived hormone, leptin, has been associated with body weight and energy homeostasis, and abnormal regulation of leptin could play a role in weight gain induced by antipsychotics. We investigated whether a leptin gene promoter variant affected weight gain after long-term treatment with clozapine in chronic schizophrenia. Leptin G2548A polymorphism was genotyped in 102 Chinese Han inpatients with chronic schizophrenia treated with clozapine. Weight gains, expressed as change in body mass index (BMI), were monitored after long-term clozapine treatment. We found a significant relationship between the 3 leptin G/A genotypes and mean BMI gain (F(2,99) = 3.35, P = 0.039, r(2) = 0.09). Moreover, genotype had a strong effect on BMI gain in male (P = 0.004, r(2) = 0.16), but not in female patients (P > 0.05). Thus, variation in the leptin gene may be a risk factor for weight gain in male patients with schizophrenia on long-term clozapine treatment.

journal_name

J Clin Psychopharmacol

authors

Zhang XY,Tan YL,Zhou DF,Haile CN,Cao LY,Xu Q,Shen Y,Kosten TA,Kosten TR

doi

10.1097/jcp.0b013e3180582412

subject

Has Abstract

pub_date

2007-06-01 00:00:00

pages

246-51

issue

3

eissn

0271-0749

issn

1533-712X

pii

00004714-200706000-00002

journal_volume

27

pub_type

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