Test-retest variability of [11C]raclopride-binding potential in nontreatment-seeking alcoholics

Karmen Yoder, Daniel S. Albrecht, David Kareken, Lauren M. Federici, Kevin M. Perry, Elizabeth A. Patton, Qi-Huang Zheng, Bruce H. Mock, Sean O'Connor, Christine M. Herring

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Knowledge of the reproducibility of striatal [11C]raclopride (RAC) binding is important for studies that use RAC PET paradigms to estimate changes in striatal dopamine (DA) during pharmacological and cognitive challenges. To our knowledge, no baseline test-retest data exist for nontreatment-seeking alcoholics (NTS). We determined the test-retest reproducibility of baseline RAC binding potential (BPND) in 12 male NTS subjects. Subjects were scanned twice with single-bolus RAC PET on separate days. Striatal RAC BP (BPND) for left and right dorsal caudate, dorsal putamen, and ventral striatum was estimated using the Multilinear Reference Tissue Method (MRTM) and Logan Graphical Analysis (LGA) with a reference region. Test-retest variability (TRV), % change in BPND between scan days, and the intraclass correlation coefficient (ICC) were used as metrics of reproducibility. For MRTM, TRV for striatal RAC binding in NTS subjects was ±6.5% and ±7.1% for LGA. Average striatal ICCs were 0.94 for both methods (P < 0.0001). Striatal BPND values were similar to those reported previously for detoxified alcoholics. The results demonstrate that baseline striatal RAC binding is highly reproducible in NTS subjects, with a low variance similar to that reported for healthy control subjects.

Original languageEnglish
Pages (from-to)553-561
Number of pages9
JournalSynapse
Volume65
Issue number7
DOIs
StatePublished - Jul 2011

Fingerprint

Raclopride
Corpus Striatum
Alcoholics
Putamen
Dopamine
Healthy Volunteers
Pharmacology

Keywords

  • Craving
  • D receptor
  • DA
  • Nicotine
  • Positron emission tomography
  • Striatum

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Yoder, K., Albrecht, D. S., Kareken, D., Federici, L. M., Perry, K. M., Patton, E. A., ... Herring, C. M. (2011). Test-retest variability of [11C]raclopride-binding potential in nontreatment-seeking alcoholics. Synapse, 65(7), 553-561. https://doi.org/10.1002/syn.20874

Test-retest variability of [11C]raclopride-binding potential in nontreatment-seeking alcoholics. / Yoder, Karmen; Albrecht, Daniel S.; Kareken, David; Federici, Lauren M.; Perry, Kevin M.; Patton, Elizabeth A.; Zheng, Qi-Huang; Mock, Bruce H.; O'Connor, Sean; Herring, Christine M.

In: Synapse, Vol. 65, No. 7, 07.2011, p. 553-561.

Research output: Contribution to journalArticle

Yoder, Karmen ; Albrecht, Daniel S. ; Kareken, David ; Federici, Lauren M. ; Perry, Kevin M. ; Patton, Elizabeth A. ; Zheng, Qi-Huang ; Mock, Bruce H. ; O'Connor, Sean ; Herring, Christine M. / Test-retest variability of [11C]raclopride-binding potential in nontreatment-seeking alcoholics. In: Synapse. 2011 ; Vol. 65, No. 7. pp. 553-561.
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