Autistic Disorder Clinical Trial
Official title:
A Multi-center, Prospective, Cohort Study to Elucidate the Effects of Metformin Treatment on Steroid Hormones and Social Behavior. Linking Autistic Behaviorial Symptoms to Changes in Steroid Hormone Availability
Background Based on various suggestions, social behavior is mediated by a change in steroid hormones. These have diverse effects on the (neuro-)development during critical stages, whereby especially androgen and insulin metabolism seem to play a key role. Various lines of evidence indicate that metformin could influence and improve the symptoms of social withdrawal. Therefore, the investigators will analyze urinary samples of patients before and after treatment with metformin to elucidate the changes in steroid hormone profiles and measure changes in social behavior to examine a potential correlation. Material & Methods Steroid hormone analysis including the most prominent androgen, estrogen, progesterone, aldosterone, corticosterone, cortisone and cortisol metabolites analyzed with gas chromatography mass spectrometry and a questionnaire (Autism-Spectrum Quotient) will be performed prior to and after 12-weeks metformin treatment. Discussion It is likely, that due to different pathophysiological mechanisms such as an effect on respiratory chain in mitochondria or via AMP activated protein kinase a general reduction of total androgens will be detected prior versus post metformin treatment. The encompassing measurement of steroid hormones will allow to detect influences on different metabolites and in consequence enzyme activities. The potential changes prior versus post shall give hints concerning the involvement of specific cascades involved, with potential pharmacological targets for future research.
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