A bolus/infusion paradigm for the novel NMDA receptor SPET tracer [123I]CNS 1261

被引:17
作者
Bressan, RA
Erlandsson, K [1 ]
Mulligan, RS
Gunn, RN
Cunningham, VJ
Owens, J
Cullum, ID
Ell, PJ
Pilowsky, LS
机构
[1] UCL Med Sch, Inst Nucl Med, London, England
[2] Inst Psychiat, London SE5 8AF, England
[3] McGill Univ, Montreal Neurol Inst, McConnell Brain Imaging Ctr, Montreal, PQ, Canada
[4] Hammersmith Hosp, IRSL, London W12 0NN, England
[5] Univ Glasgow, Western Infirm, W Scotland Radionucl Dispensary, Glasgow G11 6NT, Lanark, Scotland
基金
英国医学研究理事会;
关键词
NMDA receptors; dynamic SPET; kinetic modeling; constant infusion; equilibrium analysis; volume of distribution;
D O I
10.1016/j.nucmedbio.2003.08.008
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
We have previously performed quantitative kinetic modeling of [I-123] CNS 1261, a new SPET ligand for the MK801 intrachannel site of the NMDA receptor. We now report a bolus-infusion protocol, which eliminates the need for arterial blood sampling. Dynamic SPET scanning and venous blood sampling were performed in 7 healthy volunteers. Good agreement was obtained between kinetic and equilibrium analysis. SPET scanning with a bolus-infusion protocol is a valid method to estimate the total volume of distribution for [I-123]CNS 1261 in clinical populations. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:155 / 164
页数:10
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