High affinity dopamine D2 receptor radioligands. 2. [125I]epidepride, a potent and specific radioligand for the characterization of striatal and extrastriatal dopamine D2 receptors
β Scribed by Robert M. Kessler; M. Sib Ansari; Dennis E. Schmidt; Tomas de Paulis; Jeffrey A. Clanton; Roberts Innis; Mohammed Al-Tikriti; Ronald G. Manning; David Gillespie
- Book ID
- 118344855
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 995 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0024-3205
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## Abstract (__S__)β(β)β__N__β[(1βethylβ2βpyrrolidinyl)methyl]β5β[^123^I]iodoβ2,3βdimethoxybenzamide (TDP 517) (proposed generic name, [^123^I]epidepride) is the iodineβ123 substituted analogue of isoremoxipride (FLB 457), both of which are very potent dopamine Dβ2 antagonists (epidepride K~D~ 0.02
Quantitative SPECT measures of dopamine D 2 like receptors with [ 123 I]epidepride is complicated by its high affinity and lipophilic metabolites. The purpose of this study was to use both parent (P) and lipophilic metabolites (M) as input functions in a kinetic paradigm and in comparison to the res