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Wiley InterScience | ||||||||||||||
  Journal of NeuroendocrinologyVolume 16 Issue 2, Pages 95 - 98 Published Online: 4 Feb 2004 Journal compilation © 2010 Blackwell Publishing
Abstract | References | Full Text: HTML, PDF (Size: 67K) | Related Articles | Citation Tracking  Serum Testosterone Levels in Males with Alzheimer's Disease Copyright © 2004 Blackwell Publishing Ltd KEYWORDS ageing • androgen • brain • dementia • hypogonadism Abstract
This study aimed to investigate whether there are differences in serum testosterone levels between male patients with Alzheimer's disease (AD) and cognitively normal male controls. Testosterone and sex hormone binding globulin (SHBG) levels were measured from 14 patients with mild to moderate AD and 16 age-matched control males. The AD patients had higher levels of serum total (P = 0.02) and free testosterone (P < 0.001), and higher free androgen index (FAI) (P = 0.02) compared to controls. No differences were found for the SHBG levels. These data provide no support for hypotheses of (disproportionally) decreased levels of serum testosterone in AD. These data also show that all cognitively normal controls had an FAI below the normal range. Accepted 21 October 2003 | 
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