This study will investigate the involvement of 5-stereonergic mechanisms in regulating delay discounting in opioid-dependent patients. In the first step we will determine the rate of discounting for hypothetical money and heroin in injection drug users in outpatient treatment for heroin dependence. In a second step we will determine whether serotonin is involved in the differences observed by administering a hormonal challenge test with the serotonergic probe citalopram to needle-sharers and non-sharers. The proposed research may provide valuable information regarding the biological basis of addiction.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR000109-36
Application #
6408506
Study Section
Special Emphasis Panel (ZRR1)
Project Start
1977-12-01
Project End
2001-02-28
Budget Start
Budget End
Support Year
36
Fiscal Year
2000
Total Cost
Indirect Cost
Name
University of Vermont & St Agric College
Department
Type
DUNS #
066811191
City
Burlington
State
VT
Country
United States
Zip Code
05405
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