Body weight gain induced by atypical antipsychotics: an extension of the monocygotic twin and sib pair study

Background and objective:  In our original study based on five monozygotic twin pairs and seven same‐sex sib pairs, we previously showed that genetic factors contribute to body weight gain induced by the atypical antipsychotic clozapine. We aim to study this further by including patients treated with the atypical antipsychotics olanzapine or risperidone as well as opposite‐sex sib pairs.

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