A pilot study of the effects of gonadotropin-releasing hormone agonist therapy on brain activation pattern in a man with pedophilia.
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| Abstract |
Gonadotropin-releasing hormone (GnRH) agonists, such as leuprorelin, are recommended in the patients with pedophilia at highest risk of offending. However, the cerebral mechanisms of the effects of these testosterone-decreasing drugs are poorly known. This study aimed to identify changes caused by leuprorelin in a pedophilic patient's brain responses to pictures representing children. Clinical, endocrine, and fMRI investigations were done of a man with pedophilia before leuprorelin therapy and 5 months into leuprorelin therapy. Patient was compared with an age-matched healthy control also assessed 5 months apart. Before therapy, pictures of boys elicited activation in the left calcarine fissure, left insula, anterior cingulate cortex, and left cerebellar vermis. Five months into therapy, all the above-mentioned activations had disappeared. No such activations and, consequently, no such decreases occurred in the healthy control. The results of this pilot study suggest that leuprorelin decreased activity in regions known to mediate the perceptual, motivational, and affective responses to visual sexual stimuli.
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| Authors | Virginie Moulier, Véronique Fonteille, Mélanie Pélégrini-Issac, Bernard Cordier, Sophie Baron-Laforêt, Emeline Boriasse, Emmanuel Durand, Serge Stoléru |
| Journal | International journal of offender therapy and comparative criminology (Int J Offender Ther Comp Criminol) Vol. 56 Issue 1 Pg. 50-60 (Feb 2012) ISSN: 1552-6933 [Electronic] United States |
| PMID | 21518701 (Publication Type: Journal Article, Randomized Controlled Trial, Research Support, Non-U.S. Gov't) |
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