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. 2009 Apr;194(4):355-9.
doi: 10.1192/bjp.bp.108.050344.

Brain serotonin transporter binding in former users of MDMA ('ecstasy')

Sudhakar Selvaraj  1 , Rosa Hoshi, Zubin Bhagwagar, Naga Venkatesha Murthy, Rainer Hinz, Philip Cowen, H Valerie Curran, Paul Grasby
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Brain serotonin transporter binding in former users of MDMA ('ecstasy')

Sudhakar Selvaraj et al. Br J Psychiatry. 2009 Apr.

Abstract

Background: Animal experimental studies have prompted concerns that widespread use of 3,4-methylenedioxymethamphetamine (MDMA; 'ecstasy') by young people may pose a major public health problem in terms of persistent serotonin neurotoxicity.

Aims: To determine the status of brain serotonin neurons in a group of abstinent MDMA users.

Method: We assessed the integrity of brain serotonin neurons by measuring serotonin transporter (SERT) binding using positron emission tomography (PET) and [(11)C]DASB in 12 former MDMA users, 9 polydrug users who had never taken MDMA and 19 controls who reported no history of illicit drug use.

Results: There was no significant difference in the binding potential of [(11)C]DASB between the groups in any of the brain regions examined.

Conclusions: To the extent that [(11)C]DASB binding provides an index of the integrity of serotonin neurons, our findings suggest that MDMA use may not result in long-term damage to serotonin neurons when used recreationally in humans.

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